import {
  AppstoreOutlined,
  CloseOutlined,
  FileImageOutlined,
  FrownOutlined,
  LoadingOutlined,
  MenuFoldOutlined,
  MenuUnfoldOutlined,
  QuestionCircleOutlined,
  ReloadOutlined,
  SkinOutlined,
} from "@ant-design/icons";
import { useEffect, useMemo, useRef, useState, type CSSProperties, type ChangeEvent, type DragEvent, type ReactNode } from "react";
import "../../styles/pages/ecommerce.css";
import "../../styles/pages/local-theme-parity.css";
import { ossAssets } from "../../data/ossAssets";
import { EcommerceProgressBar } from "./EcommerceProgressBar";
import ImageMentionMenu, { getImageMentionQuery, insertImageMentionValue, type MentionImageOption } from "./ImageMentionMenu";
import EcommerceVideoWorkspace from "./EcommerceVideoWorkspace";
import EcommerceVideoHistoryPanel from "./panels/EcommerceVideoHistoryPanel";
import EcommerceDetailPanel from "./panels/EcommerceDetailPanel";
import EcommerceSetPanel from "./panels/EcommerceSetPanel";
import EcommerceTryOnPanel from "./panels/EcommerceTryOnPanel";
import EcommerceClonePanel from "./panels/EcommerceClonePanel";
import { aiGenerationClient } from "../../api/aiGenerationClient";
import { ServerRequestError } from "../../api/serverConnection";
import { waitForTask } from "../../api/taskSubscription";
import { toast } from "../../components/toast/toastStore";
import { useGenerationTasks } from "../../hooks/useGenerationTasks";
import { useAppStore } from "../../stores";
import {
  normalizeEcommerceImageMime,
  summarizeRejectedImages,
  validateEcommerceImageFiles,
} from "./ecommerceImageValidation";


interface ProductClonePageProps {
  [key: string]: unknown;
}

type ProductCloneStatus = "idle" | "ready" | "generating" | "done" | "failed";
type ProductSetOutputKey = "set" | "detail" | "model" | "video";
type CloneOutputKey = ProductSetOutputKey | "hot" | "video-outfit";
type CloneSetCountKey = "selling" | "white" | "scene";
type CloneModelPanelTab = "scene" | "model";
type CloneVideoQualityKey = "standard" | "high" | "ultra";
type ProductSetStatus = "idle" | "ready" | "generating" | "done" | "failed";
type ProductKitToolKey = "set" | "detail" | "wear" | "clone";
type CloneBasicSelectKey = "platform" | "market" | "language" | "ratio";
type CloneModelSelectKey = "gender" | "age" | "ethnicity" | "body";
type CloneReferenceMode = "upload" | "link";
type CloneReplicateLevelKey = "style" | "high";
type TryOnModelSource = "ai" | "library";
type TryOnStatus = "idle" | "modeling" | "ready" | "generating" | "done" | "failed";
type DetailStatus = "idle" | "ready" | "generating" | "done" | "failed";

interface CloneImageItem {
  id: string;
  src: string;
  name: string;
  file?: File;
  width?: number;
  height?: number;
  format?: string;
  mimeType?: string;
  ossKey?: string;
}

interface CloneResult {
  id: string;
  src: string;
  label: string;
  type?: "image" | "video";
}

interface CloneSavedSetting {
  id: string;
  name: string;
  savedAt: string;
  output: CloneOutputKey;
  platform: string;
  market: string;
  language: string;
  ratio: string;
  setCounts: Record<CloneSetCountKey, number>;
  detailModules: string[];
  modelPanelTab: CloneModelPanelTab;
  modelScenes: string[];
  modelCustomScene: string;
  modelGender: string;
  modelAge: string;
  modelEthnicity: string;
  modelBody: string;
  modelAppearance: string;
  videoQuality: CloneVideoQualityKey;
  videoDurationSeconds: number;
  videoSmart: boolean;
  referenceMode?: CloneReferenceMode;
  replicateLevel?: CloneReplicateLevelKey;
  requirement: string;
}

interface EcommerceImagePromptOptions {
  gender?: string;
  age?: string;
  ethnicity?: string;
  body?: string;
  appearance?: string;
  scenes?: string[];
  customScene?: string;
  smartScene?: boolean;
  detailModules?: string[];
}

type PlatformRatioModeKey = ProductSetOutputKey | "hot" | "video-outfit";

interface PlatformRatioGroup {
  ratios: string[];
  defaultRatio: string;
}

const sideTools: Array<{ key: ProductKitToolKey; label: string; icon: ReactNode }> = [
  { key: "set", label: "商品套图", icon: <AppstoreOutlined /> },
  { key: "detail", label: "A+详情", icon: <FileImageOutlined /> },
  { key: "wear", label: "服饰穿戴", icon: <SkinOutlined /> },
  { key: "clone", label: "电商AI作图", icon: <AppstoreOutlined /> },
];

const platformSpecOptions: Array<{
  label: string;
  ratios: string[];
  defaultRatio: string;
  ratioGroups?: Partial<Record<PlatformRatioModeKey, PlatformRatioGroup>>;
  specs: string[];
  tip?: string;
  aliases?: string[];
}> = [
  {
    label: "淘宝/天猫",
    ratios: ["淘宝主图 / SKU 图 800×800px", "详情页宽 750px", "详情页宽 790px"],
    defaultRatio: "淘宝主图 / SKU 图 800×800px",
    ratioGroups: {
      set: {
        ratios: ["1000×1000px\u00a0\u00a0\u00a01：1", "800×800px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "1000×1000px\u00a0\u00a0\u00a01：1",
      },
      detail: {
        ratios: [
          "750×1000px\u00a0\u00a0\u00a03：4",
          "790×1053px\u00a0\u00a0\u00a03：4",
          "750×1125px\u00a0\u00a0\u00a02：3",
          "790×1185px\u00a0\u00a0\u00a02：3",
        ],
        defaultRatio: "750×1000px\u00a0\u00a0\u00a03：4",
      },
      model: {
        ratios: ["750×1000px\u00a0\u00a0\u00a03：4"],
        defaultRatio: "750×1000px\u00a0\u00a0\u00a03：4",
      },
      video: {
        ratios: ["1080×1920px\u00a0\u00a0\u00a09：16", "1080×1440px\u00a0\u00a0\u00a03：4", "1080×1080px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "1080×1920px\u00a0\u00a0\u00a09：16",
      },
      hot: {
        ratios: ["800×800px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "800×800px\u00a0\u00a0\u00a01：1",
      },
    },
    specs: ["主图 / SKU 图 800×800px，≤3MB", "详情页宽 750px 或 790px，单张高≤1546px"],
    tip: "建议主图 200-400KB JPG，超过 500KB 会影响加载速度。",
  },
  {
    label: "京东",
    ratios: ["京东主图 / SKU 图 800×800px", "详情页宽 750px", "首图主体占比 ≥70%"],
    defaultRatio: "京东主图 / SKU 图 800×800px",
    ratioGroups: {
      set: {
        ratios: ["1000×1000px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "1000×1000px\u00a0\u00a0\u00a01：1",
      },
      detail: {
        ratios: [
          "750×1000px\u00a0\u00a0\u00a03：4",
          "990×1320px\u00a0\u00a0\u00a03：4",
          "750×1125px\u00a0\u00a0\u00a02：3",
          "990×1485px\u00a0\u00a0\u00a02：3",
        ],
        defaultRatio: "750×1000px\u00a0\u00a0\u00a03：4",
      },
      model: {
        ratios: ["750×1125px\u00a0\u00a0\u00a02：3", "990×1485px\u00a0\u00a0\u00a02：3"],
        defaultRatio: "750×1125px\u00a0\u00a0\u00a02：3",
      },
      video: {
        ratios: ["1080×1920px\u00a0\u00a0\u00a09：16", "1920×1080px\u00a0\u00a0\u00a016：9"],
        defaultRatio: "1080×1920px\u00a0\u00a0\u00a09：16",
      },
      hot: {
        ratios: ["800×800px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "800×800px\u00a0\u00a0\u00a01：1",
      },
    },
    specs: ["主图 / SKU 图 800×800px，白底，≤1MB", "详情页宽 750px，首图主体占比 ≥70%"],
  },
  {
    label: "拼多多",
    ratios: ["主图 750×352px", "主图 800×800px", "详情页宽 750px"],
    defaultRatio: "主图 750×352px",
    ratioGroups: {
      set: {
        ratios: ["800×800px\u00a0\u00a0\u00a01：1", "750×1000px\u00a0\u00a0\u00a03：4"],
        defaultRatio: "800×800px\u00a0\u00a0\u00a01：1",
      },
      detail: {
        ratios: ["750×1000px\u00a0\u00a0\u00a03：4", "750×1125px\u00a0\u00a0\u00a02：3"],
        defaultRatio: "750×1000px\u00a0\u00a0\u00a03：4",
      },
      model: {
        ratios: ["750×1000px\u00a0\u00a0\u00a03：4"],
        defaultRatio: "750×1000px\u00a0\u00a0\u00a03：4",
      },
      video: {
        ratios: ["1080×1920px\u00a0\u00a0\u00a09：16"],
        defaultRatio: "1080×1920px\u00a0\u00a0\u00a09：16",
      },
      hot: {
        ratios: ["800×800px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "800×800px\u00a0\u00a0\u00a01：1",
      },
    },
    specs: ["主图 750×352px 或 800×800px，≤1MB", "详情页宽 750px，要求纯白底、无水印、无拼接"],
  },
  {
    label: "抖音电商",
    ratios: ["短视频 1080×1920px"],
    defaultRatio: "短视频 1080×1920px",
    ratioGroups: {
      video: {
        ratios: ["1080×1920px\u00a0\u00a0\u00a09：16"],
        defaultRatio: "1080×1920px\u00a0\u00a0\u00a09：16",
      },
      hot: {
        ratios: ["800×800px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "800×800px\u00a0\u00a0\u00a01：1",
      },
    },
    specs: ["短视频 1080×1920px，9:16", "30s 内最佳"],
  },
  {
    label: "亚马逊 Amazon",
    ratios: ["主图 ≥1600×1600px", "建议 2000×2000px+", "最小 500×500px"],
    defaultRatio: "主图 ≥1600×1600px",
    ratioGroups: {
      set: {
        ratios: ["1600×1600px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "1600×1600px\u00a0\u00a0\u00a01：1",
      },
      detail: {
        ratios: ["1600×1600px\u00a0\u00a0\u00a01：1", "1200×1800px\u00a0\u00a0\u00a02：3", "1200×1600px\u00a0\u00a0\u00a03：4"],
        defaultRatio: "1200×1800px\u00a0\u00a0\u00a02：3",
      },
      model: {
        ratios: ["1200×1800px\u00a0\u00a0\u00a02：3"],
        defaultRatio: "1200×1800px\u00a0\u00a0\u00a02：3",
      },
      video: {
        ratios: ["1920×1080px\u00a0\u00a0\u00a016：9"],
        defaultRatio: "1920×1080px\u00a0\u00a0\u00a016：9",
      },
      hot: {
        ratios: ["1600×1600px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "1600×1600px\u00a0\u00a0\u00a01：1",
      },
    },
    specs: ["主图 1600×1600px+，纯白底，≤10MB", "最小 500×500px，建议 2000px+ 以支持缩放"],
    aliases: ["亚马逊"],
  },
  {
    label: "Shopee",
    ratios: ["商品主图 1024×1024px", "基础主图 800×800px"],
    defaultRatio: "商品主图 1024×1024px",
    ratioGroups: {
      set: {
        ratios: ["800×800px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "800×800px\u00a0\u00a0\u00a01：1",
      },
      detail: {
        ratios: ["750×1000px\u00a0\u00a0\u00a03：4", "750×1125px\u00a0\u00a0\u00a02：3"],
        defaultRatio: "750×1000px\u00a0\u00a0\u00a03：4",
      },
      model: {
        ratios: ["750×1000px\u00a0\u00a0\u00a03：4"],
        defaultRatio: "750×1000px\u00a0\u00a0\u00a03：4",
      },
      video: {
        ratios: ["1080×1920px\u00a0\u00a0\u00a09：16"],
        defaultRatio: "1080×1920px\u00a0\u00a0\u00a09：16",
      },
      hot: {
        ratios: ["800×800px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "800×800px\u00a0\u00a0\u00a01：1",
      },
    },
    specs: ["商品主图推荐 1024×1024px，基础 800×800px", "≤2MB，白底或浅色底"],
    aliases: ["虾皮 Shopee/Lazada", "虾皮"],
  },
  {
    label: "Lazada",
    ratios: ["商品主图 800×800px"],
    defaultRatio: "商品主图 800×800px",
    ratioGroups: {
      set: {
        ratios: ["800×800px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "800×800px\u00a0\u00a0\u00a01：1",
      },
      detail: {
        ratios: ["750×1000px\u00a0\u00a0\u00a03：4", "750×1125px\u00a0\u00a0\u00a02：3"],
        defaultRatio: "750×1000px\u00a0\u00a0\u00a03：4",
      },
      model: {
        ratios: ["750×1000px\u00a0\u00a0\u00a03：4"],
        defaultRatio: "750×1000px\u00a0\u00a0\u00a03：4",
      },
      video: {
        ratios: ["1080×1920px\u00a0\u00a0\u00a09：16"],
        defaultRatio: "1080×1920px\u00a0\u00a0\u00a09：16",
      },
      hot: {
        ratios: ["800×800px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "800×800px\u00a0\u00a0\u00a01：1",
      },
    },
    specs: ["商品主图 800×800px，1:1"],
  },
  {
    label: "Instagram",
    ratios: ["帖子 1080×1350px", "帖子 1080×1080px", "Stories / Reels 1080×1920px", "头像 320×320px"],
    defaultRatio: "帖子 1080×1350px",
    ratioGroups: {
      set: {
        ratios: ["1080×1080px\u00a0\u00a0\u00a01：1", "1080×1350px\u00a0\u00a0\u00a04：5"],
        defaultRatio: "1080×1080px\u00a0\u00a0\u00a01：1",
      },
      detail: {
        ratios: ["1080×1350px\u00a0\u00a0\u00a04：5"],
        defaultRatio: "1080×1350px\u00a0\u00a0\u00a04：5",
      },
      model: {
        ratios: ["1080×1350px\u00a0\u00a0\u00a04：5"],
        defaultRatio: "1080×1350px\u00a0\u00a0\u00a04：5",
      },
      video: {
        ratios: ["1080×1920px\u00a0\u00a0\u00a09：16", "1080×1350px\u00a0\u00a0\u00a04：5"],
        defaultRatio: "1080×1920px\u00a0\u00a0\u00a09：16",
      },
    },
    specs: ["帖子 1080×1350px 或 1080×1080px", "Stories / Reels 封面 1080×1920px，头像 320×320px"],
    tip: "建议 ≤1MB JPG。",
    aliases: ["Instagram Reels"],
  },
  {
    label: "速卖通",
    ratios: ["主图 800×800px", "主图 1000×1000px+"],
    defaultRatio: "主图 800×800px",
    ratioGroups: {
      set: {
        ratios: ["1000×1000px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "1000×1000px\u00a0\u00a0\u00a01：1",
      },
      detail: {
        ratios: ["750×1125px\u00a0\u00a0\u00a02：3", "750×1000px\u00a0\u00a0\u00a03：4"],
        defaultRatio: "750×1125px\u00a0\u00a0\u00a02：3",
      },
      model: {
        ratios: ["750×1125px\u00a0\u00a0\u00a02：3"],
        defaultRatio: "750×1125px\u00a0\u00a0\u00a02：3",
      },
      video: {
        ratios: ["1080×1920px\u00a0\u00a0\u00a09：16", "1920×1080px\u00a0\u00a0\u00a016：9"],
        defaultRatio: "1080×1920px\u00a0\u00a0\u00a09：16",
      },
      hot: {
        ratios: ["800×800px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "800×800px\u00a0\u00a0\u00a01：1",
      },
    },
    specs: ["主图建议 800×800px 或更高，1:1", "适合跨境电商主图、SKU 图和场景图"],
  },
  {
    label: "eBay",
    ratios: ["商品图 1:1", "白底多角度展示图 1:1"],
    defaultRatio: "商品图 1:1",
    ratioGroups: {
      set: {
        ratios: ["1600×1600px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "1600×1600px\u00a0\u00a0\u00a01：1",
      },
      detail: {
        ratios: ["1000×1500px\u00a0\u00a0\u00a02：3", "1200×1600px\u00a0\u00a0\u00a03：4"],
        defaultRatio: "1000×1500px\u00a0\u00a0\u00a02：3",
      },
      model: {
        ratios: ["1000×1500px\u00a0\u00a0\u00a02：3"],
        defaultRatio: "1000×1500px\u00a0\u00a0\u00a02：3",
      },
      video: {
        ratios: ["1920×1080px\u00a0\u00a0\u00a016：9", "1080×1920px\u00a0\u00a0\u00a09：16"],
        defaultRatio: "1920×1080px\u00a0\u00a0\u00a016：9",
      },
      hot: {
        ratios: ["1600×1600px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "1600×1600px\u00a0\u00a0\u00a01：1",
      },
    },
    specs: ["商品图建议 1:1，主体清晰居中", "适合白底主图和多角度展示图"],
  },
  {
    label: "TikTok Shop",
    ratios: ["商品主图 1:1", "短视频 / 竖版封面 9:16"],
    defaultRatio: "商品主图 1:1",
    ratioGroups: {
      set: {
        ratios: ["1280×1280px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "1280×1280px\u00a0\u00a0\u00a01：1",
      },
      detail: {
        ratios: ["1080×1350px\u00a0\u00a0\u00a04：5"],
        defaultRatio: "1080×1350px\u00a0\u00a0\u00a04：5",
      },
      model: {
        ratios: ["1080×1350px\u00a0\u00a0\u00a04：5"],
        defaultRatio: "1080×1350px\u00a0\u00a0\u00a04：5",
      },
      video: {
        ratios: ["1080×1920px\u00a0\u00a0\u00a09：16"],
        defaultRatio: "1080×1920px\u00a0\u00a0\u00a09：16",
      },
      hot: {
        ratios: ["800×800px\u00a0\u00a0\u00a01：1"],
        defaultRatio: "800×800px\u00a0\u00a0\u00a01：1",
      },
    },
    specs: ["商品主图建议 1:1", "短视频/竖版封面建议 9:16"],
  },
];
const platformOptions = platformSpecOptions.map((option) => option.label);
const marketLanguageOptions: Array<{ country: string; languages: string[] }> = [
  { country: "中国", languages: ["中文"] },
  { country: "美国", languages: ["英文"] },
  { country: "加拿大", languages: ["英文", "法文"] },
  { country: "英国", languages: ["英文"] },
  { country: "德国", languages: ["德文"] },
  { country: "法国", languages: ["法文"] },
  { country: "意大利", languages: ["意大利语"] },
  { country: "西班牙", languages: ["西班牙语"] },
  { country: "日本", languages: ["日文"] },
  { country: "韩国", languages: ["韩文"] },
  { country: "澳大利亚", languages: ["英文"] },
  { country: "新加坡", languages: ["英文", "中文"] },
  { country: "马来西亚", languages: ["马来语", "英文", "中文"] },
  { country: "印尼", languages: ["印度尼西亚语", "英文"] },
  { country: "越南", languages: ["越南语", "英文"] },
  { country: "泰国", languages: ["泰语", "英文"] },
  { country: "菲律宾", languages: ["菲律宾语（他加禄语）", "英文"] },
  { country: "巴西", languages: ["葡萄牙语"] },
  { country: "墨西哥", languages: ["西班牙语"] },
  { country: "智利", languages: ["西班牙语"] },
  { country: "哥伦比亚", languages: ["西班牙语"] },
  { country: "阿联酋", languages: ["阿拉伯语", "英文"] },
  { country: "沙特阿拉伯", languages: ["阿拉伯语", "英文"] },
  { country: "俄罗斯", languages: ["俄语"] },
  { country: "波兰", languages: ["波兰语"] },
];
const marketOptions = marketLanguageOptions.map((option) => option.country);
const languageOptions = Array.from(new Set(marketLanguageOptions.flatMap((option) => option.languages)));
const languageAliases: Record<string, string> = {
  英语: "英文",
  日语: "日文",
  德语: "德文",
  法语: "法文",
  韩语: "韩文",
  西文: "西班牙语",
  葡文: "葡萄牙语",
  印尼语: "印度尼西亚语",
  菲律宾语: "菲律宾语（他加禄语）",
};
const defaultPlatformSpec = platformSpecOptions[0]!;
const getPlatformSpec = (value: string) =>
  platformSpecOptions.find((option) => option.label === value || option.aliases?.includes(value)) ?? defaultPlatformSpec;
const normalizePlatform = (value: string) => getPlatformSpec(value).label;
const domesticPlatformLabels = new Set(["淘宝/天猫", "京东", "拼多多", "抖音电商"]);
const domesticPlatformLanguages = ["中文"];
const isDomesticPlatform = (platformValue: string) => domesticPlatformLabels.has(normalizePlatform(platformValue));
const getPlatformRatioGroup = (value: string, mode?: PlatformRatioModeKey): PlatformRatioGroup => {
  const platformSpec = getPlatformSpec(value);
  return (mode ? platformSpec.ratioGroups?.[mode] : null) ?? {
    ratios: platformSpec.ratios,
    defaultRatio: platformSpec.defaultRatio,
  };
};
const getPlatformRatioOptions = (value: string, mode?: PlatformRatioModeKey) => getPlatformRatioGroup(value, mode).ratios;
const getPlatformDefaultRatio = (value: string, mode?: PlatformRatioModeKey) => getPlatformRatioGroup(value, mode).defaultRatio;
const getUniqueRatioOptions = (ratios: string[]) => Array.from(new Set(ratios));
const normalizeRatioToken = (value: string) => value.replace(/：/g, ":").trim();
const normalizeRatioForPlatform = (platformValue: string, ratioValue: string, mode?: PlatformRatioModeKey) => {
  const platformRatios = getPlatformRatioOptions(platformValue, mode);
  if (platformRatios.includes(ratioValue)) return ratioValue;
  const normalizedRatio = normalizeRatioToken(ratioValue);
  const matchedRatio = platformRatios.find((option) => normalizeRatioToken(option).includes(normalizedRatio));
  return matchedRatio ?? getPlatformDefaultRatio(platformValue, mode);
};
const formatRatioDisplayValue = (value: string) => {
  if (!value.includes("套图")) return value;
  const size = value.match(/\d+\s*×\s*\d+\s*px?/u)?.[0]?.replace(/\s+/g, "") ?? "";
  const ratio = value.match(/\d+(?:\.\d+)?\s*[:：]\s*\d+(?:\.\d+)?/u)?.[0]?.replace(/\s+/g, "").replace(/:/g, "：") ?? "";
  return size && ratio ? `${size}\u00a0\u00a0\u00a0${ratio}` : value.replace(/^套图[:：]\s*/, "");
};
/** Extract CSS aspect-ratio from a ratio string like "1000x1000px   1:1" -> "1 / 1" */
const parseRatioToAspectCss = (ratioStr: string): string => {
  const match = ratioStr.match(/(\d+)\s*[:：]\s*(\d+)/u);
  if (!match) return "1 / 1";
  return `${match[1]} / ${match[2]}`;
};
/** Normalize ratio display string ("1000×1000px   1：1") to API format ("1:1") */
const normalizeRatioForApi = (ratioStr: string): string => {
  const match = ratioStr.match(/(\d+)\s*[:：]\s*(\d+)/u);
  if (!match) return "1:1";
  return `${match[1]}:${match[2]}`;
};
const greatestCommonDivisor = (left: number, right: number): number => {
  let a = Math.abs(left);
  let b = Math.abs(right);
  while (b) {
    [a, b] = [b, a % b];
  }
  return a || 1;
};
const formatAspectRatio = (width: number, height: number) => {
  const divisor = greatestCommonDivisor(width, height);
  return `${Math.round(width / divisor)}：${Math.round(height / divisor)}`;
};
const formatUploadedImageRatio = (image?: CloneImageItem) => {
  if (!image) return null;
  const format = image.format ? `\u00a0\u00a0\u00a0${image.format}` : "";
  if (!image.width || !image.height) return `上传图片\u00a0\u00a0\u00a0原图比例${format}`;
  return `上传图片 ${image.width}×${image.height}px\u00a0\u00a0\u00a0${formatAspectRatio(image.width, image.height)}${format}`;
};
const defaultMarketLanguageOption = marketLanguageOptions[0]!;
const normalizeMarket = (value: string) =>
  marketLanguageOptions.some((option) => option.country === value) ? value : defaultMarketLanguageOption.country;
const normalizeLanguage = (value: string) => languageAliases[value] ?? value;
const uniqueLanguages = (languages: string[]) => Array.from(new Set(languages));
const appendEnglish = (languages: string[]) => Array.from(new Set([...languages, "英文"]));
const getMarketLanguageOptions = (marketValue: string) =>
  appendEnglish((marketLanguageOptions.find((option) => option.country === marketValue) ?? defaultMarketLanguageOption).languages);
const getPlatformLanguageOptions = (platformValue: string, marketValue: string) => {
  const marketLanguages = getMarketLanguageOptions(marketValue);
  if (!isDomesticPlatform(platformValue)) return marketLanguages;
  const localLanguages = marketLanguages.filter((item) => item !== "英文");
  return uniqueLanguages([...localLanguages, ...domesticPlatformLanguages, "英文"]);
};
const getPlatformDefaultLanguage = (platformValue: string, marketValue: string) =>
  isDomesticPlatform(platformValue) ? "中文" : (getPlatformLanguageOptions(platformValue, marketValue)[0] ?? languageOptions[0] ?? "英文");
const normalizeLanguageForPlatform = (platformValue: string, marketValue: string, languageValue: string) => {
  const normalizedLanguage = normalizeLanguage(languageValue);
  const platformLanguages = getPlatformLanguageOptions(platformValue, marketValue);
  return platformLanguages.includes(normalizedLanguage) ? normalizedLanguage : getPlatformDefaultLanguage(platformValue, marketValue);
};
const productSetOutputOptions: Array<{ key: ProductSetOutputKey; label: string }> = [
  { key: "set", label: "套图" },
  { key: "detail", label: "详情图" },
  { key: "model", label: "模特图" },
  { key: "video", label: "短视频" },
];
const cloneOutputOptions: Array<{ key: CloneOutputKey; label: string }> = [
  ...productSetOutputOptions,
  { key: "hot", label: "爆款图复刻" },
  { key: "video-outfit", label: "视频换装" },
];
const cloneSetCountOptions: Array<{
  key: CloneSetCountKey;
  title: string;
  desc: string;
}> = [
  { key: "selling", title: "卖点图", desc: "展示商品的核心卖点及细节特写" },
  { key: "white", title: "白底图", desc: "白底主图，多角度呈现商品细节" },
  { key: "scene", title: "场景图", desc: "展示商品的生活使用场景和人物搭配" },
];
const cloneSetCountKeys = cloneSetCountOptions.map((option) => option.key);
const defaultCloneSetCounts: Record<CloneSetCountKey, number> = {
  selling: 3,
  white: 1,
  scene: 3,
};
const minCloneSetTotal = 1;
const maxCloneSetTotal = 16;
const maxCloneProductImages = 7;
const maxCloneReferenceImages = 20;
const cloneVideoDurationMin = 5;
const cloneVideoDurationMax = 45;
const cloneLatestSettingStorageKey = "omniai.clone-ai.latest-setting";
const cloneVideoQualityOptions: Array<{ key: CloneVideoQualityKey; label: string; desc: string }> = [
  { key: "standard", label: "标准", desc: "快速出片" },
  { key: "high", label: "高清", desc: "推荐" },
  { key: "ultra", label: "超清", desc: "细节增强" },
];
const cloneReplicateLevelOptions: Array<{ key: CloneReplicateLevelKey; title: string; desc: string }> = [
  { key: "style", title: "参考风格", desc: "参考整体风格和结构，自动调整色彩和重构场景。" },
  { key: "high", title: "高度复刻", desc: "参照参考图视觉结构替换产品和文案，场景细节略有差异。" },
];
const tryOnRatioOptions = ["3:4", "1:1", "9:16"];
const tryOnScenes = ["纯色棚拍", "都市街头", "街角咖啡", "自然草坪", "度假海滩", "温馨居家", "艺术展馆"];
const normalizeCloneModelSceneSelection = (scenes: string[] | null | undefined) => {
  const validScenes = (scenes ?? []).filter((scene) => typeof scene === "string" && scene.trim());
  const latestScene = validScenes[validScenes.length - 1];
  return latestScene ? [latestScene] : [];
};
const tryOnModelOptions = {
  gender: ["女", "男"],
  age: ["青年", "少年", "中年"],
  ethnicity: ["欧美白人", "亚洲人", "拉美裔", "非洲裔"],
  body: ["标准", "高挑", "微胖", "运动"],
};
const productSetAssets = ossAssets.ecommerce.productSet;
const productSetPreviewCards = [
  { id: "main", label: "01 主图 (白底/合规)", src: productSetAssets.main },
  { id: "scene", label: "02 场景展示", src: productSetAssets.scene },
  { id: "model", label: "03 模特场景图", src: productSetAssets.model },
  { id: "detail", label: "04 细节说明", src: productSetAssets.detail },
  { id: "selling", label: "05 卖点详解", src: productSetAssets.selling },
];
const tryOnAssets = ossAssets.ecommerce.tryOn;

const tryOnCards = [
  {
    title: "多件混搭自动融合",
    tone: "red",
    inputs: [tryOnAssets.dressA, tryOnAssets.dressB, tryOnAssets.modelWoman],
    results: [tryOnAssets.tryA, tryOnAssets.tryB],
  },
  {
    title: "一件也能出大片",
    tone: "brown",
    inputs: [tryOnAssets.jacket, tryOnAssets.modelMan],
    results: [tryOnAssets.jacketResultA, tryOnAssets.jacketResultB],
  },
  {
    title: "鞋帽饰品完美适配",
    tone: "gold",
    inputs: [tryOnAssets.hat, tryOnAssets.modelAsian],
    results: [tryOnAssets.hatResultA, tryOnAssets.hatResultB],
  },
];

const detailTypeOptions = ["普通A+", "品牌A+", "标准详情页", "移动端长图"];
const detailModules = [
  { id: "hero", title: "首屏主视觉", desc: "传递核心价值" },
  { id: "selling", title: "核心卖点图", desc: "突出卖点优势" },
  { id: "usage", title: "使用场景图", desc: "呈现真实使用场景" },
  { id: "angle", title: "多角度图", desc: "多角度呈现外观" },
  { id: "scene", title: "场景氛围图", desc: "展示使用场景" },
  { id: "detail", title: "商品细节图", desc: "放大材质与工艺" },
  { id: "story", title: "品牌故事图", desc: "传达品牌理念" },
  { id: "size", title: "尺寸/容量/尺码图", desc: "展示规格信息" },
  { id: "compare", title: "效果对比图", desc: "使用前后效果对比" },
  { id: "spec", title: "详细规格/参数表", desc: "展示详细商品数据" },
  { id: "craft", title: "工艺制作图", desc: "展示工艺制作过程" },
  { id: "gift", title: "配件/赠品图", desc: "明确收货的所有物品" },
  { id: "series", title: "系列展示图", desc: "多色或多SKU展示" },
  { id: "ingredient", title: "商品成分图", desc: "展示配方/材质/成分" },
  { id: "service", title: "售后保障图", desc: "说明质保退换政策" },
  { id: "tips", title: "使用建议图", desc: "商品使用的注意事项" },
];
const defaultDetailModuleIds: string[] = [];
const defaultCloneDetailModuleIds = ["hero", "selling", "usage", "angle", "scene", "detail"];
const cloneDetailModules = detailModules;
const detailAssets = ossAssets.ecommerce.detail;
const detailProductSamples = [detailAssets.productA, detailAssets.productB, detailAssets.productC];
const detailGridSamples = [detailAssets.gridA, detailAssets.gridB, detailAssets.gridC, detailAssets.gridD, detailAssets.gridE, detailAssets.gridF];

function getImageFileFormat(file: File) {
  const mimeFormat = file.type.split("/")[1]?.replace("jpeg", "jpg").toUpperCase();
  if (mimeFormat) return mimeFormat;
  return file.name.split(".").pop()?.toUpperCase() ?? "";
}

function readImageDimensions(src: string): Promise<{ width: number; height: number }> {
  return new Promise((resolve, reject) => {
    const image = new Image();
    image.onload = () => resolve({ width: image.naturalWidth, height: image.naturalHeight });
    image.onerror = reject;
    image.src = src;
  });
}

async function createUploadedImageItems(files: File[], limit: number, prefix: string): Promise<CloneImageItem[]> {
  const selectedFiles = Array.from(files).slice(0, limit);
  const stamp = Date.now();

  const items = await Promise.all(selectedFiles.map(async (file, index) => {
    const localPreviewUrl = URL.createObjectURL(file);
    let dimensions: { width?: number; height?: number };
    try {
      dimensions = await readImageDimensions(localPreviewUrl);
    } catch {
      dimensions = {};
    } finally {
      URL.revokeObjectURL(localPreviewUrl);
    }

    const mimeType = normalizeEcommerceImageMime(file.type);
    const uploadBlob = file.type === mimeType ? file : new Blob([file], { type: mimeType });
    const { url, ossKey } = await aiGenerationClient.uploadAssetBinary(uploadBlob, {
      name: file.name,
      mimeType,
      scope: "ecommerce-product",
    });

    return {
      id: `${prefix}-${stamp}-${index}`,
      src: url,
      name: file.name,
      file,
      format: getImageFileFormat(file),
      mimeType,
      ossKey,
      ...dimensions,
    };
  }));

  return items;
}

async function persistGeneratedImageUrl(sourceUrl: string, scope: string, namePrefix: string): Promise<string> {
  if (!sourceUrl) return sourceUrl;
  try {
    if (sourceUrl.startsWith("data:")) {
      const { url } = await aiGenerationClient.uploadAsset({
        dataUrl: sourceUrl,
        name: `${namePrefix}-${Date.now()}.png`,
        scope,
      });
      return url || sourceUrl;
    }

    if (sourceUrl.startsWith("blob:")) {
      const rawBlob = await fetch(sourceUrl).then((res) => res.blob());
      const mimeType = normalizeEcommerceImageMime(rawBlob.type);
      const blob = rawBlob.type === mimeType ? rawBlob : new Blob([rawBlob], { type: mimeType });
      const { url } = await aiGenerationClient.uploadAssetBinary(blob, {
        name: `${namePrefix}-${Date.now()}.png`,
        mimeType,
        scope,
      });
      return url;
    }

    const { url } = await aiGenerationClient.uploadAssetByUrl({
      sourceUrl,
      name: `${namePrefix}-${Date.now()}`,
      scope,
    });
    return url || sourceUrl;
  } catch {
    return sourceUrl;
  }
}

function notifyRejectedImages(files: File[]): File[] {
  const { accepted, rejected } = validateEcommerceImageFiles(files);
  const message = summarizeRejectedImages(rejected);
  if (message) toast.error(message);
  return accepted;
}

function isCloneSavedSetting(item: unknown): item is CloneSavedSetting {
  const candidate = item as Partial<CloneSavedSetting>;
  return (
    typeof candidate.id === "string" &&
    typeof candidate.name === "string" &&
    typeof candidate.savedAt === "string" &&
    typeof candidate.output === "string" &&
    typeof candidate.platform === "string" &&
    typeof candidate.market === "string" &&
    typeof candidate.language === "string" &&
    typeof candidate.ratio === "string" &&
    typeof candidate.videoDurationSeconds === "number"
  );
}

function readCloneLatestSetting() {
  if (typeof window === "undefined") return null;
  try {
    const rawValue = window.localStorage.getItem(cloneLatestSettingStorageKey);
    if (rawValue) {
      const parsedValue: unknown = JSON.parse(rawValue);
      if (isCloneSavedSetting(parsedValue)) return parsedValue;
    }
  } catch {
    return null;
  }
  return null;
}

function writeCloneLatestSetting(setting: CloneSavedSetting) {
  if (typeof window === "undefined") return;
  window.localStorage.setItem(cloneLatestSettingStorageKey, JSON.stringify(setting));
}

function clampCloneVideoDuration(value: number) {
  return Math.min(cloneVideoDurationMax, Math.max(cloneVideoDurationMin, Math.round(value)));
}

function ProductClonePage(_props: ProductClonePageProps = {}) {
  const setInputRef = useRef<HTMLInputElement>(null);
  const productInputRef = useRef<HTMLInputElement>(null);
  const cloneReferenceInputRef = useRef<HTMLInputElement>(null);
  const requirementTextareaRef = useRef<HTMLTextAreaElement>(null);
  const garmentInputRef = useRef<HTMLInputElement>(null);
  const detailInputRef = useRef<HTMLInputElement>(null);
  const countHoldTimeoutRef = useRef<number | null>(null);
  const countHoldIntervalRef = useRef<number | null>(null);
  const imageGen = useGenerationTasks({ sourceView: "ecommerce" });
  const appUsage = useAppStore((s) => s.usage);
  const latestCloneSettingRef = useRef<CloneSavedSetting | null>(null);
  const skipInitialCloneAutoSaveRef = useRef(true);
  const skipNextCloneAutoSaveRef = useRef(false);
  const [activeTool, setActiveTool] = useState<ProductKitToolKey>("clone");
  useEffect(() => { setPreviewZoom(1); }, [activeTool]);
  const [setImages, setSetImages] = useState<CloneImageItem[]>([]);
  const [productSetPlatform, setProductSetPlatform] = useState(platformOptions[0]);
  const [productSetMarket, setProductSetMarket] = useState(marketOptions[0]);
  const [productSetLanguage, setProductSetLanguage] = useState(getPlatformDefaultLanguage(platformOptions[0], marketOptions[0]));
  const [productSetRatio, setProductSetRatio] = useState(getPlatformDefaultRatio(platformOptions[0]));
  const [productSetRequirement, setProductSetRequirement] = useState("");
  const [productSetOutput, setProductSetOutput] = useState<ProductSetOutputKey>("video");
  const [productSetStatus, setProductSetStatus] = useState<ProductSetStatus>("idle");
  const [productSetResultImages, setProductSetResultImages] = useState<string[]>([]);
  const [isSetUploadDragging, setIsSetUploadDragging] = useState(false);
  const [selectedProductSetPreview, setSelectedProductSetPreview] = useState<{ src: string; label: string } | null>(null);
  const [showHostingModal, setShowHostingModal] = useState(false);
  const [productImages, setProductImages] = useState<CloneImageItem[]>([]);
  const [isProductUploadDragging, setIsProductUploadDragging] = useState(false);
  const [cloneOutput, setCloneOutput] = useState<CloneOutputKey>("detail");
  const [videoHistoryVisible, setVideoHistoryVisible] = useState(false);
  const [videoPlanTrigger, setVideoPlanTrigger] = useState(0);
  const [openCloneBasicSelect, setOpenCloneBasicSelect] = useState<CloneBasicSelectKey | null>(null);
  const [openCloneModelSelect, setOpenCloneModelSelect] = useState<CloneModelSelectKey | null>(null);
  const [cloneModelSelectDropUp, setCloneModelSelectDropUp] = useState(false);
  const [cloneReferenceMode, setCloneReferenceMode] = useState<CloneReferenceMode>("upload");
  const [cloneReferenceImages, setCloneReferenceImages] = useState<CloneImageItem[]>([]);
  const [cloneReplicateLevel, setCloneReplicateLevel] = useState<CloneReplicateLevelKey>("high");
  const [cloneSetCounts, setCloneSetCounts] = useState(defaultCloneSetCounts);
  const [selectedCloneDetailModules, setSelectedCloneDetailModules] = useState<string[]>(defaultCloneDetailModuleIds);
  const [cloneModelPanelTab, setCloneModelPanelTab] = useState<CloneModelPanelTab>("scene");
  const [selectedCloneModelScenes, setSelectedCloneModelScenes] = useState<string[]>([]);
  const [cloneModelCustomScene, setCloneModelCustomScene] = useState("");
  const [cloneModelGender, setCloneModelGender] = useState(tryOnModelOptions.gender[0]);
  const [cloneModelAge, setCloneModelAge] = useState(tryOnModelOptions.age[0]);
  const [cloneModelEthnicity, setCloneModelEthnicity] = useState(tryOnModelOptions.ethnicity[0]);
  const [cloneModelBody, setCloneModelBody] = useState(tryOnModelOptions.body[0]);
  const [cloneModelAppearance, setCloneModelAppearance] = useState("");
  const [cloneVideoQuality, setCloneVideoQuality] = useState<CloneVideoQualityKey>("high");
  const [cloneVideoDuration, setCloneVideoDuration] = useState(10);
  const [cloneVideoSmart, setCloneVideoSmart] = useState(true);
  const [videoOutfitVideoFile, setVideoOutfitVideoFile] = useState<File | null>(null);
  const [videoOutfitRefFile, setVideoOutfitRefFile] = useState<File | null>(null);
  const [isCloneSettingsCollapsed, setIsCloneSettingsCollapsed] = useState(false);
  const [previewZoom, setPreviewZoom] = useState(1);

  const handlePreviewWheel = (event: React.WheelEvent<HTMLElement>) => {
    if (!event.currentTarget) return;
    event.preventDefault();
    const container = event.currentTarget as HTMLElement;
    const rect = container.getBoundingClientRect();
    const cursorX = event.clientX - rect.left;
    const cursorY = event.clientY - rect.top;
    const zoomDelta = event.deltaY < 0 ? 1.08 : 0.92;

    const nextZoom = Math.min(2, Math.max(0.25, previewZoom * zoomDelta));
    if (nextZoom === previewZoom) return;

    const contentX = (cursorX + container.scrollLeft) / previewZoom;
    const contentY = (cursorY + container.scrollTop) / previewZoom;

    setPreviewZoom(nextZoom);

    requestAnimationFrame(() => {
      container.scrollLeft = contentX * nextZoom - cursorX;
      container.scrollTop = contentY * nextZoom - cursorY;
    });
  };

  const [requirement, setRequirement] = useState("");
  const [requirementImageMentionQuery, setRequirementImageMentionQuery] = useState<string | null>(null);
  const [cloneSettingName, setCloneSettingName] = useState("新建创作");
  const [platform, setPlatform] = useState(platformOptions[0]);
  const [market, setMarket] = useState(marketOptions[0]);
  const [language, setLanguage] = useState(getPlatformDefaultLanguage(platformOptions[0], marketOptions[0]));
  const [ratio, setRatio] = useState(getPlatformDefaultRatio(platformOptions[0]));
  const [status, setStatus] = useState<ProductCloneStatus>("idle");
  const [results, setResults] = useState<CloneResult[]>([]);
  const imageAbortRef = useRef({ current: false });
  const activeEcommerceTaskIdsRef = useRef<Set<string>>(new Set());
  const lastFailedActionRef = useRef<(() => void) | null>(null);
  const [garmentImages, setGarmentImages] = useState<CloneImageItem[]>([]);
  const [modelSource, setModelSource] = useState<TryOnModelSource>("ai");
  const [modelGender, setModelGender] = useState(tryOnModelOptions.gender[0]);
  const [modelAge, setModelAge] = useState(tryOnModelOptions.age[0]);
  const [modelEthnicity, setModelEthnicity] = useState(tryOnModelOptions.ethnicity[0]);
  const [modelBody, setModelBody] = useState(tryOnModelOptions.body[0]);
  const [appearance, setAppearance] = useState("");
  const [selectedScenes, setSelectedScenes] = useState<string[]>([]);
  const [customScene, setCustomScene] = useState("");
  const [smartScene, setSmartScene] = useState(false);
  const [tryOnRatio, setTryOnRatio] = useState(tryOnRatioOptions[0]);
  const [tryOnStatus, setTryOnStatus] = useState<TryOnStatus>("idle");
  const [tryOnResultImages, setTryOnResultImages] = useState<string[]>([]);
  const [detailProductImages, setDetailProductImages] = useState<CloneImageItem[]>([]);
  const [detailPlatform, setDetailPlatform] = useState(platformOptions[0]);
  const [detailMarket, setDetailMarket] = useState(marketOptions[0]);
  const [detailLanguage, setDetailLanguage] = useState(getPlatformDefaultLanguage(platformOptions[0], marketOptions[0]));
  const [detailType, setDetailType] = useState(detailTypeOptions[0]);
  const [detailRequirement, setDetailRequirement] = useState("");
  const [selectedDetailModules, setSelectedDetailModules] = useState<string[]>(defaultDetailModuleIds);
  const [detailStatus, setDetailStatus] = useState<DetailStatus>("idle");
  const [detailResultUrl, setDetailResultUrl] = useState<string | null>(null);
  const productSetRatioOptions = useMemo(
    () => getPlatformRatioOptions(productSetPlatform, productSetOutput),
    [productSetOutput, productSetPlatform],
  );
  const hotUploadedRatioOption = useMemo(
    () => cloneOutput === "hot" ? formatUploadedImageRatio(cloneReferenceImages[0]) : null,
    [cloneOutput, cloneReferenceImages],
  );
  const baseCloneRatioOptions = useMemo(
    () => getPlatformRatioOptions(platform, cloneOutput),
    [cloneOutput, platform],
  );
  const cloneRatioOptions = useMemo(
    () => hotUploadedRatioOption
      ? getUniqueRatioOptions([...baseCloneRatioOptions, hotUploadedRatioOption])
      : baseCloneRatioOptions,
    [baseCloneRatioOptions, hotUploadedRatioOption],
  );
  const productSetLanguageOptions = useMemo(
    () => getPlatformLanguageOptions(productSetPlatform, productSetMarket),
    [productSetMarket, productSetPlatform],
  );
  const cloneLanguageOptions = useMemo(
    () => getPlatformLanguageOptions(platform, market),
    [market, platform],
  );
  const detailLanguageOptions = useMemo(
    () => getPlatformLanguageOptions(detailPlatform, detailMarket),
    [detailMarket, detailPlatform],
  );
  const ecommerceMentionImages: MentionImageOption[] = [
    ...productImages.map((image, index) => ({ ...image, label: `商品图 ${index + 1}` })),
    ...cloneReferenceImages.map((image, index) => ({ ...image, label: `参考图 ${index + 1}` })),
  ];

  const ecommerceVideoImageDataUrls = useMemo(
    () => productImages.map((img) => img.src),
    [productImages],
  );
  const ecommerceVideoImageFiles = useMemo(
    () => productImages.map((img) => img.file),
    [productImages],
  );

  const selectedProductSetOutput =
    productSetOutputOptions.find((option) => option.key === productSetOutput) ?? productSetOutputOptions[0]!;
  const selectedCloneOutput = cloneOutputOptions.find((option) => option.key === cloneOutput) ?? cloneOutputOptions[1]!;
  const cloneRequirementPlaceholder =
    cloneOutput === "model"
      ? "建议包含以下信息：产品名称、核心卖点、期望场景、模特外貌描写（如小麦色皮肤、齐刘海、眼角有泪痣）、具体参数"
      : "建议包含以下信息，产品名称，核心卖点，期望场景，具体参数";
  const productSetPreviewReady = productSetStatus === "done";
  const cloneSetTotal = useMemo(
    () => Object.values(cloneSetCounts).reduce((sum, value) => sum + value, 0),
    [cloneSetCounts],
  );
  const canGenerateSet = setImages.length > 0 && productSetStatus !== "generating";
  const canGenerate = (cloneOutput === "video-outfit"
    ? Boolean(videoOutfitVideoFile && videoOutfitRefFile)
    : productImages.length > 0) && status !== "generating";
  const canGenerateTryOn = garmentImages.length > 0 && tryOnStatus !== "generating" && tryOnStatus !== "modeling";
  const canGenerateDetail = detailProductImages.length > 0 && detailStatus !== "generating";
  const cloneVideoDurationProgress =
    ((cloneVideoDuration - cloneVideoDurationMin) / (cloneVideoDurationMax - cloneVideoDurationMin)) * 100;
  const cloneVideoDurationStyle: CSSProperties = useMemo(
    () => ({
      "--clone-video-duration-progress": `${cloneVideoDurationProgress}%`,
    }) as CSSProperties,
    [cloneVideoDurationProgress],
  );

  const trackEcommerceTask = (taskId: string) => {
    activeEcommerceTaskIdsRef.current.add(taskId);
  };

  const untrackEcommerceTask = (taskId: string) => {
    activeEcommerceTaskIdsRef.current.delete(taskId);
  };

  const handleCancelGenerate = () => {
    imageAbortRef.current.current = true;
    const taskIds = Array.from(activeEcommerceTaskIdsRef.current);
    activeEcommerceTaskIdsRef.current.clear();
    taskIds.forEach((taskId) => {
      aiGenerationClient.cancelTask(taskId).catch(() => {});
    });
    lastFailedActionRef.current = null;
    if (productSetStatus === "generating") setProductSetStatus("idle");
    if (status === "generating") setStatus("idle");
    if (detailStatus === "generating") setDetailStatus("idle");
    if (tryOnStatus === "generating") setTryOnStatus("idle");
    if (tryOnStatus === "modeling") setTryOnStatus("ready");
    toast.info("\u5df2\u53d6\u6d88\u751f\u6210");
  };

  const syncRequirementMentionQuery = (value: string, selectionStart: number | null | undefined) => {
    setRequirementImageMentionQuery(ecommerceMentionImages.length ? getImageMentionQuery(value, selectionStart) : null);
  };

  const insertRequirementImageMention = (image: MentionImageOption) => {
    const textarea = requirementTextareaRef.current;
    const cursor = textarea?.selectionStart ?? requirement.length;
    const next = insertImageMentionValue(requirement, cursor, image.name, 500);
    setRequirement(next.value);
    setRequirementImageMentionQuery(null);
    window.requestAnimationFrame(() => {
      requirementTextareaRef.current?.focus();
      requirementTextareaRef.current?.setSelectionRange(next.selectionStart, next.selectionStart);
    });
  };

  const addSetImages = async (files: File[]) => {
    if (setImages.length >= 3) return;
    const imageFiles = notifyRejectedImages(files);
    if (!imageFiles.length) return;
    try {
      const nextImages = await createUploadedImageItems(imageFiles, 3 - setImages.length, "set");
      setSetImages((current) => {
        if (current.length >= 3) return current;
        return nextImages.length ? [...current, ...nextImages].slice(0, 3) : current;
      });
      setProductSetStatus("ready");
    } catch (err) {
      toast.error(err instanceof Error ? err.message : "商品图上传失败");
    }
  };

  const handleSetUpload = (event: ChangeEvent<HTMLInputElement>) => {
    const files = event.target.files;
    if (!files?.length) return;
    void addSetImages(Array.from(files));
    event.target.value = "";
  };

  const handleSetDrop = (event: DragEvent<HTMLButtonElement>) => {
    event.preventDefault();
    setIsSetUploadDragging(false);
    const files = Array.from(event.dataTransfer.files);
    if (files.length) void addSetImages(files);
  };

  const removeSetImage = (imageId: string) => {
    setSetImages((current) => {
      const next = current.filter((item) => item.id !== imageId);
      if (next.length === 0) setProductSetStatus("idle");
      return next;
    });
  };

  const addProductImages = async (files: File[]) => {
    const imageFiles = notifyRejectedImages(files);
    if (!imageFiles.length) return;
    try {
      const nextImages = await createUploadedImageItems(imageFiles, maxCloneProductImages - productImages.length, "product");
      setProductImages((current) => {
        if (current.length >= maxCloneProductImages) return current;
        return nextImages.length ? [...current, ...nextImages].slice(0, maxCloneProductImages) : current;
      });
      setStatus("ready");
      setResults([]);
    } catch (err) {
      toast.error(err instanceof Error ? err.message : "商品图上传失败");
    }
  };

  const handleProductUpload = (event: ChangeEvent<HTMLInputElement>) => {
    const files = event.target.files;
    if (!files?.length) return;
    void addProductImages(Array.from(files));
    event.target.value = "";
  };

  const handleProductDrop = (event: DragEvent<HTMLDivElement>) => {
    event.preventDefault();
    setIsProductUploadDragging(false);
    const files = Array.from(event.dataTransfer.files);
    if (files.length) void addProductImages(files);
  };

  const removeProductImage = (imageId: string) => {
    setProductImages((current) => {
      const next = current.filter((item) => item.id !== imageId);
      if (next.length === 0) {
        setStatus("idle");
        setResults([]);
      }
      return next;
    });
  };

  const hydrateCloneReferenceImageMeta = (items: CloneImageItem[]) => {
    items.forEach((item) => {
      readImageDimensions(item.src)
        .then(({ width, height }) => {
          setCloneReferenceImages((current) =>
            current.map((currentItem) => (currentItem.id === item.id ? { ...currentItem, width, height } : currentItem)),
          );
        })
        .catch(() => undefined);
    });
  };

  const addCloneReferenceImages = async (files: File[]) => {
    const imageFiles = notifyRejectedImages(files);
    if (!imageFiles.length) return;
    const remainingSlots = maxCloneReferenceImages - cloneReferenceImages.length;
    if (remainingSlots <= 0) return;
    try {
      const nextImages = await createUploadedImageItems(imageFiles, remainingSlots, "reference");
      if (!nextImages.length) return;
      setCloneReferenceImages((current) => {
        if (current.length >= maxCloneReferenceImages) return current;
        return nextImages.length ? [...current, ...nextImages].slice(0, maxCloneReferenceImages) : current;
      });
      hydrateCloneReferenceImageMeta(nextImages);
    } catch (err) {
      toast.error(err instanceof Error ? err.message : "参考图上传失败");
    }
  };

  const handleCloneReferenceUpload = (event: ChangeEvent<HTMLInputElement>) => {
    const files = event.target.files;
    if (!files?.length) return;
    void addCloneReferenceImages(Array.from(files));
    event.target.value = "";
  };

  const [isCloneReferenceDragging, setIsCloneReferenceDragging] = useState(false);

  const handleCloneReferenceDragOver = (event: DragEvent<HTMLButtonElement>) => {
    event.preventDefault();
    event.stopPropagation();
    if (event.dataTransfer.types.includes("Files")) {
      setIsCloneReferenceDragging(true);
    }
  };

  const handleCloneReferenceDragLeave = (event: DragEvent<HTMLButtonElement>) => {
    event.preventDefault();
    event.stopPropagation();
    if (event.currentTarget === event.target || !event.currentTarget.contains(event.relatedTarget as Node)) {
      setIsCloneReferenceDragging(false);
    }
  };

  const handleCloneReferenceDrop = (event: DragEvent<HTMLButtonElement>) => {
    event.preventDefault();
    event.stopPropagation();
    setIsCloneReferenceDragging(false);
    const files = Array.from(event.dataTransfer.files);
    if (files.length) addCloneReferenceImages(files);
  };

  const updateCloneSetCount = (key: CloneSetCountKey, delta: -1 | 1) => {
    setCloneSetCounts((current) => {
      const total = Object.values(current).reduce((sum, value) => sum + value, 0);
      const nextValue = current[key] + delta;
      if (delta < 0 && (current[key] <= 0 || total <= minCloneSetTotal)) return current;
      if (delta > 0 && total >= maxCloneSetTotal) return current;
      return { ...current, [key]: Math.max(0, Math.min(maxCloneSetTotal, nextValue)) };
    });
  };

  const clearCloneSetCountHold = () => {
    window.removeEventListener("pointerup", clearCloneSetCountHold);
    window.removeEventListener("pointercancel", clearCloneSetCountHold);
    if (countHoldTimeoutRef.current !== null) {
      window.clearTimeout(countHoldTimeoutRef.current);
      countHoldTimeoutRef.current = null;
    }
    if (countHoldIntervalRef.current !== null) {
      window.clearInterval(countHoldIntervalRef.current);
      countHoldIntervalRef.current = null;
    }
  };

  const startCloneSetCountHold = (key: CloneSetCountKey, delta: -1 | 1, disabled: boolean) => {
    if (disabled) return;
    clearCloneSetCountHold();
    updateCloneSetCount(key, delta);
    window.addEventListener("pointerup", clearCloneSetCountHold, { once: true });
    window.addEventListener("pointercancel", clearCloneSetCountHold, { once: true });
    countHoldTimeoutRef.current = window.setTimeout(() => {
      countHoldIntervalRef.current = window.setInterval(() => updateCloneSetCount(key, delta), 110);
    }, 320);
  };

  const toggleCloneDetailModule = (moduleId: string) => {
    setSelectedCloneDetailModules((current) =>
      current.includes(moduleId) ? current.filter((item) => item !== moduleId) : [...current, moduleId],
    );
  };

  const toggleCloneModelScene = (scene: string) => {
    setSelectedCloneModelScenes((current) => (current[0] === scene ? [] : [scene]));
  };

  const handleProductSetPlatformChange = (nextPlatform: string) => {
    const normalizedPlatform = normalizePlatform(nextPlatform);
    setProductSetPlatform(normalizedPlatform);
    setProductSetRatio((current) => normalizeRatioForPlatform(normalizedPlatform, current, productSetOutput));
    setProductSetLanguage(getPlatformDefaultLanguage(normalizedPlatform, productSetMarket));
  };

  const handleProductSetOutputChange = (nextOutput: ProductSetOutputKey) => {
    setProductSetOutput(nextOutput);
    setProductSetRatio((current) => normalizeRatioForPlatform(productSetPlatform, current, nextOutput));
  };

  const handleProductSetMarketChange = (nextMarket: string) => {
    const normalizedMarket = normalizeMarket(nextMarket);
    setProductSetMarket(normalizedMarket);
    setProductSetLanguage(getPlatformDefaultLanguage(productSetPlatform, normalizedMarket));
  };

  const handleClonePlatformChange = (nextPlatform: string) => {
    const normalizedPlatform = normalizePlatform(nextPlatform);
    setPlatform(normalizedPlatform);
    setRatio((current) =>
      cloneOutput === "hot" && current.startsWith("上传图片") && hotUploadedRatioOption
        ? hotUploadedRatioOption
        : normalizeRatioForPlatform(normalizedPlatform, current, cloneOutput),
    );
    setLanguage(getPlatformDefaultLanguage(normalizedPlatform, market));
  };

  const handleCloneOutputChange = (nextOutput: CloneOutputKey) => {
    setCloneOutput(nextOutput);
    setRatio((current) =>
      nextOutput === "hot" && current.startsWith("上传图片") && hotUploadedRatioOption
        ? hotUploadedRatioOption
        : normalizeRatioForPlatform(platform, current, nextOutput),
    );
  };

  const handleCloneMarketChange = (nextMarket: string) => {
    const normalizedMarket = normalizeMarket(nextMarket);
    setMarket(normalizedMarket);
    setLanguage(getPlatformDefaultLanguage(platform, normalizedMarket));
  };

  const handleDetailPlatformChange = (nextPlatform: string) => {
    const normalizedPlatform = normalizePlatform(nextPlatform);
    setDetailPlatform(normalizedPlatform);
    setDetailLanguage(getPlatformDefaultLanguage(normalizedPlatform, detailMarket));
  };

  const handleDetailMarketChange = (nextMarket: string) => {
    const normalizedMarket = normalizeMarket(nextMarket);
    setDetailMarket(normalizedMarket);
    setDetailLanguage(getPlatformDefaultLanguage(detailPlatform, normalizedMarket));
  };

  const createCloneSettingSnapshot = (name: string, id = `clone-setting-${Date.now()}`): CloneSavedSetting => ({
    id,
    name,
    savedAt: new Date().toISOString(),
    output: cloneOutput,
    platform,
    market,
    language,
    ratio,
    setCounts: { ...cloneSetCounts },
    detailModules: [...selectedCloneDetailModules],
    modelPanelTab: cloneModelPanelTab,
    modelScenes: [...selectedCloneModelScenes],
    modelCustomScene: cloneModelCustomScene,
    modelGender: cloneModelGender,
    modelAge: cloneModelAge,
    modelEthnicity: cloneModelEthnicity,
    modelBody: cloneModelBody,
    modelAppearance: cloneModelAppearance,
    videoQuality: cloneVideoQuality,
    videoDurationSeconds: cloneVideoDuration,
    videoSmart: cloneVideoSmart,
    referenceMode: cloneReferenceMode,
    replicateLevel: cloneReplicateLevel,
    requirement,
  });

  const latestCloneSettingSnapshot = useMemo(
    () => createCloneSettingSnapshot(cloneSettingName, "clone-setting-latest"),
    [
      cloneOutput,
      platform,
      market,
      language,
      ratio,
      cloneSetCounts,
      selectedCloneDetailModules,
      cloneModelPanelTab,
      selectedCloneModelScenes,
      cloneModelCustomScene,
      cloneModelGender,
      cloneModelAge,
      cloneModelEthnicity,
      cloneModelBody,
      cloneModelAppearance,
      cloneVideoQuality,
      cloneVideoDuration,
      cloneVideoSmart,
      cloneReferenceMode,
      cloneReplicateLevel,
      requirement,
      cloneSettingName,
    ],
  );

  const persistLatestCloneSetting = () => {
    const snapshot = createCloneSettingSnapshot(cloneSettingName, "clone-setting-latest");
    latestCloneSettingRef.current = snapshot;
    writeCloneLatestSetting(snapshot);
    return snapshot;
  };

  const applyCloneSavedSetting = (setting: CloneSavedSetting) => {
    const nextCounts = {
      selling: Number.isFinite(setting.setCounts?.selling) ? setting.setCounts.selling : defaultCloneSetCounts.selling,
      white: Number.isFinite(setting.setCounts?.white) ? setting.setCounts.white : defaultCloneSetCounts.white,
      scene: Number.isFinite(setting.setCounts?.scene) ? setting.setCounts.scene : defaultCloneSetCounts.scene,
    };
    const nextPlatform = normalizePlatform(setting.platform);
    const nextMarket = normalizeMarket(setting.market);
    const nextOutput = cloneOutputOptions.some((option) => option.key === setting.output) ? setting.output : "detail";
    setCloneOutput(nextOutput);
    setPlatform(nextPlatform);
    setMarket(nextMarket);
    setLanguage(normalizeLanguageForPlatform(nextPlatform, nextMarket, setting.language));
    setRatio(normalizeRatioForPlatform(nextPlatform, setting.ratio, nextOutput));
    setCloneSetCounts(nextCounts);
    setSelectedCloneDetailModules(setting.detailModules?.length ? setting.detailModules : defaultCloneDetailModuleIds);
    setCloneModelPanelTab(setting.modelPanelTab === "model" ? "model" : "scene");
    setSelectedCloneModelScenes(normalizeCloneModelSceneSelection(setting.modelScenes));
    setCloneModelCustomScene(setting.modelCustomScene ?? "");
    setCloneModelGender(tryOnModelOptions.gender.includes(setting.modelGender) ? setting.modelGender : tryOnModelOptions.gender[0]);
    setCloneModelAge(tryOnModelOptions.age.includes(setting.modelAge) ? setting.modelAge : tryOnModelOptions.age[0]);
    setCloneModelEthnicity(
      tryOnModelOptions.ethnicity.includes(setting.modelEthnicity) ? setting.modelEthnicity : tryOnModelOptions.ethnicity[0],
    );
    setCloneModelBody(tryOnModelOptions.body.includes(setting.modelBody) ? setting.modelBody : tryOnModelOptions.body[0]);
    setCloneModelAppearance(setting.modelAppearance ?? "");
    setCloneVideoQuality(
      cloneVideoQualityOptions.some((option) => option.key === setting.videoQuality) ? setting.videoQuality : "high",
    );
    setCloneVideoDuration(clampCloneVideoDuration(setting.videoDurationSeconds));
    setCloneVideoSmart(Boolean(setting.videoSmart));
    setCloneReferenceMode(setting.referenceMode === "link" ? "link" : "upload");
    setCloneReplicateLevel(setting.replicateLevel === "style" ? "style" : "high");
    setRequirement((setting.requirement ?? "").slice(0, 500));
    setCloneSettingName(setting.name);
    latestCloneSettingRef.current = setting;
    writeCloneLatestSetting(setting);
  };

  useEffect(() => {
    latestCloneSettingRef.current = latestCloneSettingSnapshot;
  }, [latestCloneSettingSnapshot]);

  useEffect(() => {
    const latestSetting = readCloneLatestSetting();
    if (!latestSetting) return;
    skipNextCloneAutoSaveRef.current = true;
    applyCloneSavedSetting(latestSetting);
  }, []);

  useEffect(() => {
    setProductSetRatio((current) => normalizeRatioForPlatform(productSetPlatform, current, productSetOutput));
  }, [productSetOutput, productSetPlatform]);

  useEffect(() => {
    setRatio((current) => {
      const platformRatios = getPlatformRatioOptions(platform, cloneOutput);
      const availableRatios = hotUploadedRatioOption ? getUniqueRatioOptions([...platformRatios, hotUploadedRatioOption]) : platformRatios;
      if (current.startsWith("上传图片") && hotUploadedRatioOption) return hotUploadedRatioOption;
      if (availableRatios.includes(current)) return current;
      const normalizedRatio = normalizeRatioToken(current);
      const matchedRatio = availableRatios.find((option) => normalizeRatioToken(option).includes(normalizedRatio));
      return matchedRatio ?? getPlatformDefaultRatio(platform, cloneOutput);
    });
  }, [cloneOutput, hotUploadedRatioOption, platform]);

  useEffect(() => {
    if (skipInitialCloneAutoSaveRef.current) {
      skipInitialCloneAutoSaveRef.current = false;
      return undefined;
    }
    if (skipNextCloneAutoSaveRef.current) {
      skipNextCloneAutoSaveRef.current = false;
      return undefined;
    }

    const timeoutId = window.setTimeout(() => {
      persistLatestCloneSetting();
    }, 300);

    return () => window.clearTimeout(timeoutId);
  }, [
    activeTool,
    cloneOutput,
    platform,
    market,
    language,
    ratio,
    cloneSetCounts,
    selectedCloneDetailModules,
    cloneModelPanelTab,
    selectedCloneModelScenes,
    cloneModelCustomScene,
    cloneModelGender,
    cloneModelAge,
    cloneModelEthnicity,
    cloneModelBody,
    cloneModelAppearance,
    cloneVideoQuality,
    cloneVideoDuration,
    cloneVideoSmart,
    cloneReferenceMode,
    cloneReplicateLevel,
    requirement,
    cloneSettingName,
  ]);

  useEffect(() => {
    const persistSnapshot = () => {
      if (latestCloneSettingRef.current) writeCloneLatestSetting(latestCloneSettingRef.current);
    };
    const handleVisibilityChange = () => {
      if (document.visibilityState === "hidden") persistSnapshot();
    };

    window.addEventListener("pagehide", persistSnapshot);
    document.addEventListener("visibilitychange", handleVisibilityChange);

    return () => {
      persistSnapshot();
      window.removeEventListener("pagehide", persistSnapshot);
      document.removeEventListener("visibilitychange", handleVisibilityChange);
    };
  }, []);

  useEffect(() => clearCloneSetCountHold, []);

  useEffect(() => {
    if (!openCloneBasicSelect) return undefined;

    const handlePointerDown = (event: PointerEvent) => {
      const target = event.target;
      if (!(target instanceof Element) || target.closest("[data-clone-basic-select]")) return;
      setOpenCloneBasicSelect(null);
    };
    const handleKeyDown = (event: KeyboardEvent) => {
      if (event.key === "Escape") setOpenCloneBasicSelect(null);
    };

    document.addEventListener("pointerdown", handlePointerDown);
    document.addEventListener("keydown", handleKeyDown);
    return () => {
      document.removeEventListener("pointerdown", handlePointerDown);
      document.removeEventListener("keydown", handleKeyDown);
    };
  }, [openCloneBasicSelect]);

  useEffect(() => {
    if (!openCloneModelSelect) return undefined;

    const handlePointerDown = (event: PointerEvent) => {
      const target = event.target;
      if (!(target instanceof Element) || target.closest("[data-clone-model-select]")) return;
      setOpenCloneModelSelect(null);
      setCloneModelSelectDropUp(false);
    };
    const handleKeyDown = (event: KeyboardEvent) => {
      if (event.key === "Escape") {
        setOpenCloneModelSelect(null);
        setCloneModelSelectDropUp(false);
      }
    };

    document.addEventListener("pointerdown", handlePointerDown);
    document.addEventListener("keydown", handleKeyDown);
    return () => {
      document.removeEventListener("pointerdown", handlePointerDown);
      document.removeEventListener("keydown", handleKeyDown);
    };
  }, [openCloneModelSelect]);

  const handleGarmentUpload = (event: ChangeEvent<HTMLInputElement>) => {
    const files = event.target.files;
    if (!files?.length) return;
    const uploadedFiles = notifyRejectedImages(Array.from(files));
    if (!uploadedFiles.length) {
      event.target.value = "";
      return;
    }
    void (async () => {
      try {
        const nextImages = await createUploadedImageItems(uploadedFiles, 5 - garmentImages.length, "garment");
        setGarmentImages((current) => [...current, ...nextImages].slice(0, 5));
        setTryOnStatus("ready");
      } catch (err) {
        toast.error(err instanceof Error ? err.message : "服饰图上传失败");
      }
    })();
    event.target.value = "";
  };

  const handleDetailUpload = (event: ChangeEvent<HTMLInputElement>) => {
    const files = event.target.files;
    if (!files?.length) return;
    const uploadedFiles = notifyRejectedImages(Array.from(files));
    if (!uploadedFiles.length) {
      event.target.value = "";
      return;
    }
    void (async () => {
      try {
        const nextImages = await createUploadedImageItems(uploadedFiles, 3 - detailProductImages.length, "detail");
        setDetailProductImages((current) => [...current, ...nextImages].slice(0, 3));
        setDetailStatus("ready");
      } catch (err) {
        toast.error(err instanceof Error ? err.message : "详情图上传失败");
      }
    })();
    event.target.value = "";
  };

  const blobToDataUrl = (blob: Blob): Promise<string> =>
    new Promise((resolve, reject) => {
      const reader = new FileReader();
      reader.onload = () => resolve(String(reader.result || ""));
      reader.onerror = () => reject(reader.error || new Error("文件读取失败"));
      reader.readAsDataURL(blob);
    });

  const uploadCloneImages = async (images: CloneImageItem[]): Promise<string[]> => {
    const urls: string[] = [];
    for (const item of images) {
      try {
        if (!item.file && item.src.startsWith("blob:")) {
          throw new Error("本地预览图缺少原始文件，无法上传");
        }
        const rawBlob = item.file ?? (item.src.startsWith("data:") ? null : await (await fetch(item.src)).blob());
        const mimeType = normalizeEcommerceImageMime(
          rawBlob?.type || item.src.match(/^data:([^;,]+)/)?.[1] || "image/png",
        );
        const blob = rawBlob ? (rawBlob.type === mimeType ? rawBlob : new Blob([rawBlob], { type: mimeType })) : null;
        const dataUrl = item.src.startsWith("data:") ? item.src : await blobToDataUrl(blob!);
        const { url } = await aiGenerationClient.uploadAsset({ dataUrl, name: item.name, mimeType, scope: "ecommerce-product" });
        urls.push(url);
      } catch {
        // skip images that fail to upload
      }
    }
    return urls;
  };

  const IMAGE_MODEL = "gpt-image-2";

  const setCountLabels: Record<CloneSetCountKey, { label: string; promptDesc: string }> = {
    selling: { label: "卖点图", promptDesc: "selling-point infographic image highlighting core product advantages and detail close-ups" },
    white:   { label: "白底图", promptDesc: "clean white-background product photo showing the item from its best angle, studio lighting, no props" },
    scene:   { label: "场景图", promptDesc: "lifestyle scene image showing the product in a realistic usage environment with natural surroundings" },
  };

  const buildDetailModulePrompt = (moduleIds: string[]): string => {
    if (!moduleIds.length) {
      return "Generate a complete A+ detail layout with hero, selling points, usage scene, product detail, and specification modules.";
    }

    const selectedModules = cloneDetailModules.filter((module) => moduleIds.includes(module.id));
    if (!selectedModules.length) return "";

    const moduleList = selectedModules.map((module) => `${module.title}: ${module.desc}`).join("; ");
    return `Only generate these selected A+ detail modules, no extra modules: ${moduleList}. Keep the output focused even if only one or two modules are selected.`;
  };

  const buildSetSubPrompt = (countKey: CloneSetCountKey, index: number, totalCount: number, pPlatform: string, pRatio: string, pLanguage: string, pMarket: string): string => {
    const info = setCountLabels[countKey];
    const parts: string[] = [];
    parts.push(`Generate an e-commerce ${info.label.toLowerCase()} for a product listing.`);
    parts.push(info.promptDesc);
    if (countKey === "white") {
      parts.push("The output must be a clean white-background product image. Do not use lifestyle backgrounds, props, text overlays, or people.");
    }
    if (countKey === "scene") {
      parts.push("The output must be a realistic usage scene image. Keep the product clearly visible and preserve its shape, color, and key details.");
    }
    if (countKey === "selling") {
      parts.push("The output must be a selling-point graphic with clear hierarchy, concise copy, and product detail callouts.");
    }
    if (totalCount > 1) {
      parts.push(`This is variant ${index + 1} of ${totalCount} — vary the angle, composition, or emphasis to make each distinct.`);
    }
    parts.push(`Platform: ${pPlatform}. Aspect ratio: ${pRatio}. Language/copy: ${pLanguage}. Market: ${pMarket}.`);
    parts.push("Must comply with platform image guidelines — proper margins, no watermark, professional quality.");
    return parts.join(" ");
  };

  const buildEcommerceImagePrompt = (
    outputKey: CloneOutputKey, userText: string,
    pPlatform: string, pRatio: string, pLanguage: string, pMarket: string,
    tryOnOptions?: EcommerceImagePromptOptions,
  ): string => {
    const parts: string[] = [];
    if (outputKey === "detail") {
      parts.push("Generate a professional A+ detail page hero image for an e-commerce product listing.");
      parts.push("Create a high-impact first-screen visual that combines the product photo with key selling points, usage scenes, and detailed specifications in a cohesive layout.");
      parts.push(`Platform: ${pPlatform}. Aspect ratio: ${pRatio}. Language/copy: ${pLanguage}. Market: ${pMarket}.`);
      if (outputKey === "detail" && tryOnOptions?.detailModules) parts.push(buildDetailModulePrompt(tryOnOptions.detailModules));
      parts.push("Follow platform A+ page best practices — clear hierarchy, professional typography, high visual impact.");
    } else if (outputKey === "model") {
      parts.push("Generate model/try-on lifestyle images for an e-commerce product listing.");
      parts.push("Show the product being used or worn by a model in attractive lifestyle settings.");
      parts.push(`Platform: ${pPlatform}. Aspect ratio: ${pRatio}. Language/copy: ${pLanguage}. Market: ${pMarket}.`);
      if (tryOnOptions) {
        if (tryOnOptions.gender) parts.push(`Model gender: ${tryOnOptions.gender}.`);
        if (tryOnOptions.age) parts.push(`Model age: ${tryOnOptions.age}.`);
        if (tryOnOptions.ethnicity) parts.push(`Model ethnicity: ${tryOnOptions.ethnicity}.`);
        if (tryOnOptions.body) parts.push(`Model body type: ${tryOnOptions.body}.`);
        if (tryOnOptions.appearance) parts.push(`Model appearance details: ${tryOnOptions.appearance}.`);
        if (tryOnOptions.scenes?.length) parts.push(`Background scenes: ${tryOnOptions.scenes.join(", ")}.`);
        if (tryOnOptions.customScene) parts.push(`Custom background scene: ${tryOnOptions.customScene}.`);
        if (tryOnOptions.smartScene) parts.push("Use smart scene matching to select the best background context.");
      }
      parts.push("Model should appear natural and appealing. Background should complement the product. Image must meet platform standards.");
    } else if (outputKey === "hot") {
      parts.push("Generate a high-conversion e-commerce product image that closely replicates the style and composition of the reference image while adapting it to the target platform.");
      parts.push(`Replicate the visual style, color palette, and layout feel of the source product image, then adapt it for ${pPlatform} marketplace standards.`);
      parts.push(`Platform: ${pPlatform}. Aspect ratio: ${pRatio}. Language/copy: ${pLanguage}. Market: ${pMarket}.`);
      parts.push("The result must look professional and optimized for high click-through rate and conversion on the specified platform.");
    }
    if (userText.trim()) {
      parts.push(`Additional user requirements: ${userText.trim()}`);
    }
    return parts.join(" ");
  };

  const generateSetImages = async (
    images: CloneImageItem[],
    counts: Record<CloneSetCountKey, number>,
    userText: string,
    pPlatform: string,
    pRatio: string,
    pLanguage: string,
    pMarket: string,
    setStatusFn: (status: "generating" | "done" | "idle" | "failed") => void,
    setResultFn: (urls: string[]) => void,
  ): Promise<void> => {
    setStatusFn("generating");
    try {
      const referenceUrls = await uploadCloneImages(images);
      if (!referenceUrls.length) {
        setStatusFn("idle");
        return;
      }
      if (imageAbortRef.current.current) {
        setStatusFn("idle");
        return;
      }

      const generatedUrls: string[] = [];

      for (const countKey of cloneSetCountKeys) {
        if (imageAbortRef.current.current) break;
        const count = counts[countKey];
        for (let i = 0; i < count; i++) {
          if (imageAbortRef.current.current) break;
          const subPrompt = buildSetSubPrompt(countKey, i, count, pPlatform, pRatio, pLanguage, pMarket);
          const fullPrompt = userText.trim() ? `${subPrompt} Additional user requirements: ${userText.trim()}` : subPrompt;

          const { taskId } = await aiGenerationClient.createImageTask({
            model: IMAGE_MODEL,
            prompt: fullPrompt,
            ratio: normalizeRatioForApi(pRatio),
            quality: pRatio.includes("720") ? "720P" : "1080P",
            gridMode: "single",
            referenceUrls,
          });
          trackEcommerceTask(taskId);

          const storeId = imageGen.submitTask({ title: `${setCountLabels[countKey].label} ${i + 1}`, type: "image", status: "running", progress: 5, prompt: fullPrompt, sourceView: "ecommerce", taskId });

          let resultUrl: string | null = null;
          try {
            resultUrl = await waitForTask(taskId, {
              abortRef: imageAbortRef.current,
              onProgress: () => {},
            });
          } finally {
            untrackEcommerceTask(taskId);
          }

          if (imageAbortRef.current.current) break;

          if (resultUrl) {
            const persistedUrl = await persistGeneratedImageUrl(resultUrl, "ecommerce-generated", `ecommerce-${countKey}-${i + 1}`);
            generatedUrls.push(persistedUrl);
            imageGen.updateTask(storeId, { status: "completed", progress: 100, resultUrl: persistedUrl });
          } else {
            generatedUrls.push("");
            imageGen.updateTask(storeId, { status: "failed", error: "生成未返回结果" });
          }
        }
      }

      if (imageAbortRef.current.current) {
        setStatusFn("idle");
        return;
      }
      setResultFn(generatedUrls);
      setStatusFn(generatedUrls.some(Boolean) ? "done" : "failed");
    } catch (err) {
      if (imageAbortRef.current.current) {
        setStatusFn("idle");
        return;
      }
      if (err instanceof ServerRequestError && err.status === 402) {
        setResultFn([]);
        toast.error("余额不足，请充值后继续");
      } else {
        const msg = err instanceof Error ? err.message : "生成失败";
        toast.error(msg);
      }
      setStatusFn("failed");
    }
  };

  const generateEcommerceImage = async (
    outputKey: CloneOutputKey,
    images: CloneImageItem[],
    userText: string,
    pPlatform: string,
    pRatio: string,
    pLanguage: string,
    pMarket: string,
    tryOnOptions?: EcommerceImagePromptOptions,
    statusFn?: (status: "generating" | "done" | "idle" | "failed") => void,
    resultFn?: (results: CloneResult[]) => void,
  ): Promise<void> => {
    statusFn?.("generating");
    try {
      const referenceUrls = await uploadCloneImages(images);
      if (!referenceUrls.length) {
        statusFn?.("idle");
        return;
      }
      if (imageAbortRef.current.current) {
        statusFn?.("idle");
        return;
      }

      const prompt = buildEcommerceImagePrompt(outputKey, userText, pPlatform, pRatio, pLanguage, pMarket, tryOnOptions);
      const stamp = Date.now();

      const { taskId } = await aiGenerationClient.createImageTask({
        model: IMAGE_MODEL,
        prompt,
        ratio: normalizeRatioForApi(pRatio),
        quality: pRatio.includes("720") ? "720P" : "1080P",
        gridMode: "single",
        referenceUrls,
      });
      trackEcommerceTask(taskId);

      const storeId = imageGen.submitTask({ title: `电商${outputKey}图`, type: "image", status: "running", progress: 5, prompt, sourceView: "ecommerce", taskId });

      let resultUrl: string | null = null;
      try {
        resultUrl = await waitForTask(taskId, {
          abortRef: imageAbortRef.current,
          onProgress: () => {},
        });
      } finally {
        untrackEcommerceTask(taskId);
      }

      if (imageAbortRef.current.current) {
        statusFn?.("idle");
        return;
      }

      if (resultUrl) {
        const persistedUrl = await persistGeneratedImageUrl(resultUrl, "ecommerce-generated", `ecommerce-${outputKey}`);
        resultFn?.([{ id: `ecommerce-${stamp}`, src: persistedUrl, label: selectedCloneOutput.label }]);
        statusFn?.("done");
        imageGen.updateTask(storeId, { status: "completed", progress: 100, resultUrl: persistedUrl });
      } else {
        statusFn?.("idle");
        imageGen.updateTask(storeId, { status: "failed", error: "生成未返回结果" });
      }
    } catch (err) {
      if (imageAbortRef.current.current) {
        statusFn?.("idle");
        return;
      }
      if (err instanceof ServerRequestError && err.status === 402) {
        resultFn?.([{ id: `ecommerce-error-402`, src: "", label: "余额不足，请充值后继续" }]);
        toast.error("余额不足，请充值后继续");
      } else {
        const msg = err instanceof Error ? err.message : "生成失败";
        toast.error(msg);
      }
      statusFn?.("failed");
    }
  };

  const handleVideoOutfitGenerate = async () => {
    if (!videoOutfitVideoFile || !videoOutfitRefFile) return;
    setStatus("generating");
    try {
      const readAsDataUrl = (file: File): Promise<string> => new Promise((resolve, reject) => {
        const reader = new FileReader();
        reader.onload = () => resolve(reader.result as string);
        reader.onerror = () => reject(new Error("文件读取失败"));
        reader.readAsDataURL(file);
      });

      const videoDataUrl = await readAsDataUrl(videoOutfitVideoFile);
      const refDataUrl = await readAsDataUrl(videoOutfitRefFile);

      const videoAsset = await aiGenerationClient.uploadAsset({
        dataUrl: videoDataUrl, name: videoOutfitVideoFile.name,
        mimeType: videoOutfitVideoFile.type || "video/mp4", scope: "video-outfit",
      });
      const refAsset = await aiGenerationClient.uploadAsset({
        dataUrl: refDataUrl, name: videoOutfitRefFile.name,
        mimeType: videoOutfitRefFile.type || "image/png", scope: "video-outfit",
      });
      if (imageAbortRef.current.current) {
        setStatus("idle");
        return;
      }

      const { taskId } = await aiGenerationClient.createVideoEditTask({
        videoUrl: videoAsset.url,
        referenceUrls: [refAsset.url],
        prompt: requirement || undefined,
      });
      trackEcommerceTask(taskId);

      const { waitForTask } = await import("../../api/taskSubscription");
      let resultUrl: string | null = null;
      try {
        resultUrl = await waitForTask(taskId, { abortRef: imageAbortRef.current });
      } finally {
        untrackEcommerceTask(taskId);
      }
      if (imageAbortRef.current.current) {
        setStatus("idle");
        return;
      }
      if (resultUrl) {
        setResults([{ id: crypto.randomUUID(), src: resultUrl, label: "换装视频" }]);
      }
      setStatus("done");
    } catch (err) {
      if (imageAbortRef.current.current) {
        setStatus("idle");
        return;
      }
      setStatus("failed");
      toast.error(err instanceof Error ? err.message : "视频换装生成失败");
    }
  };

  const handleGenerate = () => {
    if (!canGenerate) return;

    if ((appUsage?.balanceCents ?? 0) <= 0) {
      toast.error("积分不足，请充值后继续");
      return;
    }

    if (cloneOutput === "set" && cloneSetTotal > 5) {
      if (!window.confirm(`将生成 ${cloneSetTotal} 张图片，可能消耗较多积分，是否继续？`)) return;
    }

    imageAbortRef.current = { current: false };
    lastFailedActionRef.current = null;
    if (cloneOutput === "video-outfit") {
      void handleVideoOutfitGenerate();
    } else if (cloneOutput === "set") {
      void generateSetImages(
        productImages, cloneSetCounts, requirement,
        platform, ratio, language, market,
        (s) => setStatus(s as ProductCloneStatus),
        (urls) => setProductSetResultImages(urls),
      );
    } else {
      const clonePromptOptions: EcommerceImagePromptOptions | undefined =
        cloneOutput === "model"
          ? {
              gender: cloneModelGender,
              age: cloneModelAge,
              ethnicity: cloneModelEthnicity,
              body: cloneModelBody,
              scenes: selectedCloneModelScenes,
              customScene: cloneModelCustomScene,
            }
          : cloneOutput === "detail"
            ? { detailModules: selectedCloneDetailModules }
            : undefined;
      void generateEcommerceImage(
        cloneOutput, productImages, requirement,
        platform, ratio, language, market,
        clonePromptOptions,
        (s: string) => setStatus(s as ProductCloneStatus), setResults,
      );
      lastFailedActionRef.current = () => handleGenerate();
    }
  };

  const handleGenerateModel = () => {
    imageAbortRef.current = { current: false };
    lastFailedActionRef.current = null;
    setTryOnStatus("modeling");
    void generateEcommerceImage(
      "model", garmentImages, requirement,
      platform, ratio, language, market,
      { gender: modelGender, age: modelAge, ethnicity: modelEthnicity, body: modelBody, appearance, scenes: selectedScenes, smartScene },
      (s) => {
        if (s === "done") setTryOnStatus("ready");
        else setTryOnStatus(s as TryOnStatus);
      },
      () => { setTryOnStatus("ready"); },
    );
    lastFailedActionRef.current = () => handleGenerateModel();
  };

  const handleTryOnGenerate = () => {
    if (!canGenerateTryOn) return;
    imageAbortRef.current = { current: false };
    lastFailedActionRef.current = null;
    void generateEcommerceImage(
      "model", garmentImages, requirement,
      platform, ratio, language, market,
      { gender: modelGender, age: modelAge, ethnicity: modelEthnicity, body: modelBody, appearance, scenes: selectedScenes, smartScene },
      (s) => setTryOnStatus(s as TryOnStatus),
      (res) => {
        const urls: string[] = [];
        for (const item of res) {
          if (item.src) urls.push(item.src);
        }
        setTryOnResultImages(urls);
      },
    );
    lastFailedActionRef.current = () => handleTryOnGenerate();
  };

  const toggleScene = (scene: string) => {
    setSelectedScenes((current) =>
      current.includes(scene) ? current.filter((item) => item !== scene) : [...current, scene],
    );
  };

  const toggleDetailModule = (moduleId: string) => {
    setSelectedDetailModules((current) =>
      current.includes(moduleId) ? current.filter((item) => item !== moduleId) : [...current, moduleId],
    );
  };

  const handleSetGenerate = () => {
    if (!canGenerateSet) return;
    imageAbortRef.current = { current: false };
    lastFailedActionRef.current = null;
    void generateSetImages(
      setImages, cloneSetCounts, productSetRequirement,
      productSetPlatform, productSetRatio, productSetLanguage, productSetMarket,
      (s) => setProductSetStatus(s as ProductSetStatus),
      (urls) => setProductSetResultImages(urls),
    );
    lastFailedActionRef.current = () => handleSetGenerate();
  };

  const openProductSetPreview = (card: { src: string; label: string }) => {
    setSelectedProductSetPreview(card);
  };

  const handleDetailAiWrite = () => {
    setDetailRequirement(
      "1.产品名称：无线降噪蓝牙耳机\n2.核心卖点：主动降噪、24H续航、低延迟连接、舒适佩戴\n3.适用人群：通勤、办公、运动和旅行用户\n4.期望场景：地铁通勤、居家办公、户外运动\n5.具体参数：蓝牙5.3、IPX4防水、快充10分钟使用2小时",
    );
  };

  const handleDetailGenerate = () => {
    if (!canGenerateDetail) return;
    imageAbortRef.current = { current: false };
    lastFailedActionRef.current = null;
    void generateEcommerceImage(
      "detail", detailProductImages, detailRequirement,
      detailPlatform, getPlatformDefaultRatio(detailPlatform), detailLanguage, detailMarket,
      { detailModules: selectedDetailModules },
      (s: string) => setDetailStatus(s as DetailStatus),
      (res) => setDetailResultUrl(res[0]?.src ?? null),
    );
  };

  const _resetTask = () => {
    setSetImages([]);
    setProductSetRequirement("");
    setProductSetOutput("video");
    setProductSetRatio((current) => normalizeRatioForPlatform(productSetPlatform, current, "video"));
    setProductSetStatus("idle");
    setIsSetUploadDragging(false);
    setSelectedProductSetPreview(null);
    setShowHostingModal(false);
    setProductImages([]);
    setIsProductUploadDragging(false);
    setCloneOutput("detail");
    setRatio((current) => normalizeRatioForPlatform(platform, current, "detail"));
    setCloneSetCounts(defaultCloneSetCounts);
    setSelectedCloneDetailModules(defaultCloneDetailModuleIds);
    setCloneModelPanelTab("scene");
    setSelectedCloneModelScenes([]);
    setCloneModelCustomScene("");
    setCloneModelGender(tryOnModelOptions.gender[0]);
    setCloneModelAge(tryOnModelOptions.age[0]);
    setCloneModelEthnicity(tryOnModelOptions.ethnicity[0]);
    setCloneModelBody(tryOnModelOptions.body[0]);
    setCloneModelAppearance("");
    setCloneVideoQuality("high");
    setCloneVideoDuration(10);
    setCloneVideoSmart(true);
    setCloneReferenceMode("upload");
    setCloneReferenceImages([]);
    setCloneReplicateLevel("high");
    setRequirement("");
    setCloneSettingName("新建创作");
    setResults([]);
    setStatus("idle");
    setGarmentImages([]);
    setAppearance("");
    setSelectedScenes([]);
    setCustomScene("");
    setSmartScene(false);
    setTryOnRatio(tryOnRatioOptions[0]);
    setTryOnStatus("idle");
    setTryOnResultImages([]);
    setDetailProductImages([]);
    setDetailRequirement("");
    setSelectedDetailModules(defaultDetailModuleIds);
    setDetailStatus("idle");
  };

  const activeToolMeta = sideTools.find((tool) => tool.key === activeTool);
  const isSetTool = activeTool === "set";
  const isDetail = activeTool === "detail";
  const isTryOn = activeTool === "wear";
  const isCloneTool = activeTool === "clone";
  const pageLabel = isSetTool ? "商品套图" : isDetail ? "A+/详情页" : isTryOn ? "AI服饰穿戴" : activeToolMeta?.label || "商品工具";
  const setPrimaryLabel =
    setImages.length === 0
      ? `请先上传商品原图`
      : productSetStatus === "generating"
        ? "生成中..."
        : `生成${selectedProductSetOutput.label}`;
  const tryOnPrimaryLabel =
    garmentImages.length === 0 ? "请先上传服装图片" : tryOnStatus === "generating" ? "生成中..." : "生成服饰穿戴图";
  const detailPrimaryLabel =
    detailProductImages.length === 0 ? "请上传产品图" : detailStatus === "generating" ? "生成中..." : "生成A+详情页";
  const clonePrimaryLabel =
    productImages.length === 0 ? "请先上传商品原图" : status === "generating" ? "生成中..." : `生成${selectedCloneOutput.label}`;
  const setPreviewCards: CloneResult[] = [];
  let setIndex = 0;
  for (const countKey of cloneSetCountKeys) {
    const count = cloneSetCounts[countKey];
    const info = setCountLabels[countKey];
    for (let i = 0; i < count; i++) {
      setPreviewCards.push({
        id: `${countKey}-${i}`,
        src: productSetResultImages[setIndex] || productSetPreviewCards[setIndex % productSetPreviewCards.length]?.src || "",
        label: `${info.label}${count > 1 ? ` ${i + 1}` : ""}`,
      });
      setIndex++;
    }
  }

  const clonePreviewCards: CloneResult[] = [];
  let cloneIndex = 0;
  for (const countKey of cloneSetCountKeys) {
    const count = cloneSetCounts[countKey];
    const info = setCountLabels[countKey];
    for (let i = 0; i < count; i++) {
      clonePreviewCards.push({
        id: `${countKey}-${i}`,
        src: productSetResultImages[cloneIndex] || productSetPreviewCards[cloneIndex % productSetPreviewCards.length]?.src || "",
        label: `${info.label}${count > 1 ? ` ${i + 1}` : ""}`,
      });
      cloneIndex++;
    }
  }
  const detailSourcePreviewImages = detailProductImages.length
    ? detailProductImages.reduce<string[]>((urls, item) => {
        urls.push(item.src);
        return urls;
      }, [])
    : detailProductSamples;
  const cloneBasicSelects: Array<{
    key: CloneBasicSelectKey;
    label: string;
    value: string;
    options: string[];
    onChange: (value: string) => void;
  }> = [
    { key: "platform", label: "平台", value: platform, options: platformOptions, onChange: handleClonePlatformChange },
    { key: "market", label: "国家", value: market, options: marketOptions, onChange: handleCloneMarketChange },
    { key: "language", label: "语言", value: language, options: cloneLanguageOptions, onChange: setLanguage },
    { key: "ratio", label: "尺寸/比例", value: ratio, options: cloneRatioOptions, onChange: setRatio },
  ];

  const cloneModelSelects: Array<{
    key: CloneModelSelectKey;
    label: string;
    value: string;
    options: string[];
    onChange: (value: string) => void;
  }> = [
    { key: "gender", label: "性别", value: cloneModelGender, options: tryOnModelOptions.gender, onChange: setCloneModelGender },
    { key: "age", label: "年龄", value: cloneModelAge, options: tryOnModelOptions.age, onChange: setCloneModelAge },
    {
      key: "ethnicity",
      label: "人种",
      value: cloneModelEthnicity,
      options: tryOnModelOptions.ethnicity,
      onChange: setCloneModelEthnicity,
    },
    { key: "body", label: "体型", value: cloneModelBody, options: tryOnModelOptions.body, onChange: setCloneModelBody },
  ];

  const setPanel = (
    <EcommerceSetPanel
      setInputRef={setInputRef}
      setImages={setImages}
      isSetUploadDragging={isSetUploadDragging}
      productSetOutputOptions={productSetOutputOptions}
      productSetOutput={productSetOutput}
      platformOptions={platformOptions}
      marketOptions={marketOptions}
      productSetLanguageOptions={productSetLanguageOptions}
      productSetRatioOptions={productSetRatioOptions}
      productSetPlatform={productSetPlatform}
      productSetMarket={productSetMarket}
      productSetLanguage={productSetLanguage}
      productSetRatio={productSetRatio}
      setIsSetUploadDragging={setIsSetUploadDragging}
      handleSetDrop={handleSetDrop}
      handleSetUpload={handleSetUpload}
      removeSetImage={removeSetImage}
      handleProductSetOutputChange={handleProductSetOutputChange}
      handleProductSetPlatformChange={handleProductSetPlatformChange}
      handleProductSetMarketChange={handleProductSetMarketChange}
      setProductSetLanguage={setProductSetLanguage}
      setProductSetRatio={setProductSetRatio}
      formatRatioDisplayValue={formatRatioDisplayValue}
    />
  );

  const clonePanel = (
    <EcommerceClonePanel
      productInputRef={productInputRef}
      cloneReferenceInputRef={cloneReferenceInputRef}
      productImages={productImages}
      isProductUploadDragging={isProductUploadDragging}
      cloneOutput={cloneOutput}
      cloneOutputOptions={cloneOutputOptions}
      cloneBasicSelects={cloneBasicSelects}
      openCloneBasicSelect={openCloneBasicSelect}
      cloneReferenceMode={cloneReferenceMode}
      cloneReferenceImages={cloneReferenceImages}
      maxCloneReferenceImages={maxCloneReferenceImages}
      cloneReplicateLevel={cloneReplicateLevel}
      cloneReplicateLevelOptions={cloneReplicateLevelOptions}
      cloneSetCounts={cloneSetCounts}
      cloneSetCountOptions={cloneSetCountOptions}
      cloneSetTotal={cloneSetTotal}
      minCloneSetTotal={minCloneSetTotal}
      maxCloneSetTotal={maxCloneSetTotal}
      selectedCloneDetailModules={selectedCloneDetailModules}
      cloneDetailModules={cloneDetailModules}
      cloneModelPanelTab={cloneModelPanelTab}
      tryOnScenes={tryOnScenes}
      selectedCloneModelScenes={selectedCloneModelScenes}
      cloneModelCustomScene={cloneModelCustomScene}
      cloneModelSelects={cloneModelSelects}
      openCloneModelSelect={openCloneModelSelect}
      cloneModelSelectDropUp={cloneModelSelectDropUp}
      cloneVideoQuality={cloneVideoQuality}
      cloneVideoQualityOptions={cloneVideoQualityOptions}
      cloneVideoDuration={cloneVideoDuration}
      cloneVideoDurationMin={cloneVideoDurationMin}
      cloneVideoDurationMax={cloneVideoDurationMax}
      cloneVideoDurationStyle={cloneVideoDurationStyle}
      cloneVideoSmart={cloneVideoSmart}
      canGenerate={canGenerate}
      status={status}
      lastFailedActionRef={lastFailedActionRef}
      setIsProductUploadDragging={setIsProductUploadDragging}
      handleProductDrop={handleProductDrop}
      removeProductImage={removeProductImage}
      handleProductUpload={handleProductUpload}
      handleCloneOutputChange={handleCloneOutputChange}
      setOpenCloneBasicSelect={setOpenCloneBasicSelect}
      setCloneReferenceMode={setCloneReferenceMode}
      handleCloneReferenceUpload={handleCloneReferenceUpload}
      isCloneReferenceDragging={isCloneReferenceDragging}
      handleCloneReferenceDragOver={handleCloneReferenceDragOver}
      handleCloneReferenceDragLeave={handleCloneReferenceDragLeave}
      handleCloneReferenceDrop={handleCloneReferenceDrop}
      setCloneReplicateLevel={setCloneReplicateLevel}
      startCloneSetCountHold={startCloneSetCountHold}
      clearCloneSetCountHold={clearCloneSetCountHold}
      toggleCloneDetailModule={toggleCloneDetailModule}
      setCloneModelPanelTab={setCloneModelPanelTab}
      toggleCloneModelScene={toggleCloneModelScene}
      setCloneModelCustomScene={setCloneModelCustomScene}
      setOpenCloneModelSelect={setOpenCloneModelSelect}
      setCloneModelSelectDropUp={setCloneModelSelectDropUp}
      setCloneVideoQuality={setCloneVideoQuality}
      setCloneVideoDuration={setCloneVideoDuration}
      clampCloneVideoDuration={clampCloneVideoDuration}
      setCloneVideoSmart={setCloneVideoSmart}
      handleGenerate={handleGenerate}
      onCancelGenerate={handleCancelGenerate}
      formatRatioDisplayValue={formatRatioDisplayValue}
      setVideoOutfitFiles={(video, ref) => { setVideoOutfitVideoFile(video); setVideoOutfitRefFile(ref); }}
      onStartVideoPlan={() => setVideoPlanTrigger((n) => n + 1)}
    />
  );

  const detailPanel = (
    <EcommerceDetailPanel
      detailInputRef={detailInputRef}
      detailProductImages={detailProductImages}
      detailPlatform={detailPlatform}
      detailMarket={detailMarket}
      detailLanguage={detailLanguage}
      detailType={detailType}
      detailRequirement={detailRequirement}
      selectedDetailModules={selectedDetailModules}
      detailStatus={detailStatus}
      canGenerateDetail={canGenerateDetail}
      detailPrimaryLabel={detailPrimaryLabel}
      platformOptions={platformOptions}
      marketOptions={marketOptions}
      detailLanguageOptions={detailLanguageOptions}
      detailTypeOptions={detailTypeOptions}
      detailModules={detailModules}
      handleDetailUpload={handleDetailUpload}
      handleDetailPlatformChange={handleDetailPlatformChange}
      handleDetailMarketChange={handleDetailMarketChange}
      setDetailLanguage={setDetailLanguage}
      setDetailType={setDetailType}
      setDetailRequirement={setDetailRequirement}
      handleDetailAiWrite={handleDetailAiWrite}
      toggleDetailModule={toggleDetailModule}
      handleDetailGenerate={handleDetailGenerate}
      onCancelGenerate={handleCancelGenerate}
    />
  );

  const tryOnPanel = (
    <EcommerceTryOnPanel
      garmentInputRef={garmentInputRef}
      garmentImages={garmentImages}
      modelSource={modelSource}
      modelGender={modelGender}
      modelAge={modelAge}
      modelEthnicity={modelEthnicity}
      modelBody={modelBody}
      appearance={appearance}
      selectedScenes={selectedScenes}
      customScene={customScene}
      smartScene={smartScene}
      tryOnRatio={tryOnRatio}
      tryOnStatus={tryOnStatus}
      canGenerateTryOn={canGenerateTryOn}
      tryOnPrimaryLabel={tryOnPrimaryLabel}
      tryOnModelOptions={tryOnModelOptions}
      tryOnAssets={tryOnAssets}
      tryOnScenes={tryOnScenes}
      tryOnRatioOptions={tryOnRatioOptions}
      handleGarmentUpload={handleGarmentUpload}
      setModelSource={setModelSource}
      setModelGender={setModelGender}
      setModelAge={setModelAge}
      setModelEthnicity={setModelEthnicity}
      setModelBody={setModelBody}
      setAppearance={setAppearance}
      handleGenerateModel={handleGenerateModel}
      toggleScene={toggleScene}
      setCustomScene={setCustomScene}
      setSmartScene={setSmartScene}
      setTryOnRatio={setTryOnRatio}
      handleTryOnGenerate={handleTryOnGenerate}
      onCancelGenerate={handleCancelGenerate}
    />
  );

  const placeholderPanel = (
    <>
      <div className="product-clone-panel__scroll">
        <section className="product-clone-empty-panel">
          <span>{activeToolMeta?.icon}</span>
          <h2>{activeToolMeta?.label}</h2>
          <p>该工具页面正在接入，当前可使用电商AI作图、商品套图、A+详情与服饰穿戴。</p>
        </section>
      </div>
      <footer className="product-clone-panel__footer">
        <button type="button" className="product-clone-primary" disabled>
          暂未开放
        </button>
      </footer>
    </>
  );

  const setPreview = (
    <main className="product-clone-preview product-clone-preview--set" aria-label="AI商品套图预览" onWheel={handlePreviewWheel}>
      <div className="product-clone-preview__headline">
        <h1>预览</h1>
        <p>
          上传商品图，AI 即刻生成 <span>符合多电商平台规范</span> 的高转化率商品套图。
        </p>
      </div>

      {productSetPreviewReady ? (
        <section className="product-set-demo-board">
          <button
            type="button"
            className="product-set-main-card"
            onClick={() => openProductSetPreview(setPreviewCards[0] ?? productSetPreviewCards[0])}
          >
            <img src={setImages[0]?.src ?? (setPreviewCards[0]?.src ?? productSetPreviewCards[0].src)} alt="商品原图" />
            <span>原图素材</span>
          </button>
          <div className="product-set-flow-arrow" aria-hidden="true" />
          <div className="product-set-card-grid result-reveal">
            {setPreviewCards.map((card) => (
              <button key={card.id} type="button" onClick={() => openProductSetPreview(card)}>
                <img src={card.src} alt={card.label} />
                <span>{card.label}</span>
              </button>
            ))}
          </div>
        </section>
      ) : (
        <section className="product-set-empty-preview" aria-live="polite">
          {productSetStatus === "generating" ? <LoadingOutlined /> : <FileImageOutlined />}
          <strong>{productSetStatus === "generating" ? "正在生成" : "等待生成"}</strong>
          {productSetStatus === "generating" ? <EcommerceProgressBar status="generating" label="商品套图" /> : null}
          <span>{productSetStatus === "generating" ? "AI 正在整理主图、场景、细节与卖点图。" : "上传商品原图并填写信息后，AI 将为您生成专业的电商商品图"}</span>
        </section>
      )}

      {productSetStatus === "done" ? <p className="product-set-generated-note">已生成{selectedProductSetOutput.label}预览</p> : null}

      <section className="product-set-floating-detail" aria-label="信息详情">
        <div className="product-set-floating-detail__head">
          <strong>信息详情</strong>
          <span>{productSetRequirement.length}/500</span>
        </div>
        <textarea
          value={productSetRequirement}
          onChange={(event) => setProductSetRequirement(event.target.value)}
          maxLength={500}
          placeholder="建议包含以下信息：产品名称、核心卖点、期望场景、具体参数"
        />
        <button type="button" className="product-set-floating-submit" disabled={!canGenerateSet} onClick={handleSetGenerate}>
          {productSetStatus === "generating" ? <LoadingOutlined /> : null}
          {setPrimaryLabel}
        </button>
        {productSetStatus === "generating" ? (
          <button type="button" className="product-set-floating-submit product-set-floating-submit--cancel" onClick={handleCancelGenerate}>
            {"\u53d6\u6d88\u751f\u6210"}
          </button>
        ) : null}
      </section>

      <button type="button" className="product-clone-help" aria-label="帮助">
        <QuestionCircleOutlined />
      </button>
    </main>
  );

  const clonePreview = (
    <main className="product-clone-preview clone-ai-preview" aria-label="电商AI作图预览" onWheel={handlePreviewWheel}>
      <header className="clone-ai-preview-header">
        <strong>预览</strong>
        <span>
          上传商品图，AI 即刻生成 <b>符合多电商平台规范</b> 的高转化率商品素材。
        </span>
        <div className="clone-ai-preview-zoom">
          <button type="button" onClick={() => setPreviewZoom((z) => Math.max(0.25, z - 0.1))} disabled={previewZoom <= 0.25} aria-label="缩小">−</button>
          <span>{Math.round(previewZoom * 100)}%</span>
          <button type="button" onClick={() => setPreviewZoom((z) => Math.min(2, z + 0.1))} disabled={previewZoom >= 2} aria-label="放大">+</button>
        </div>
      </header>

      {cloneOutput === "video" ? (
        <>
          <section className="clone-ai-flow-pipeline" aria-label="生成流程">
            {/* Source Node — 原图素材 */}
            <div className="clone-ai-flow-source">
              <div className="clone-ai-flow-node clone-ai-flow-node--source">
                {productImages[0]?.src ? (
                  <img src={productImages[0].src} alt="商品原图" />
                ) : (
                  <div className="clone-ai-flow-node__placeholder">
                    <FileImageOutlined />
                  </div>
                )}
              </div>
              <span className="clone-ai-flow-node__label">附件原图</span>
            </div>

            {/* Connector — 分支连接线 */}
            <div className="clone-ai-flow-connector" aria-hidden="true">
              <div className="clone-ai-flow-connector__trunk" />
              <div className="clone-ai-flow-connector__branches">
                <div className="clone-ai-flow-connector__branch" />
                <div className="clone-ai-flow-connector__branch" />
                <div className="clone-ai-flow-connector__branch" />
              </div>
            </div>

            {/* Branches — 生成路径分支 */}
            {status === "done" ? (
              <div className="clone-ai-flow-branches">
                {results[0]?.src ? (
                  <div className="clone-ai-flow-branch">
                    <div className="clone-ai-flow-node clone-ai-flow-node--text">
                      <div className="clone-ai-flow-node__text-content">
                        <span className="clone-ai-flow-node__text-title">{selectedCloneOutput.label}</span>
                        <span className="clone-ai-flow-node__text-desc">{requirement || "AI智能生成"}</span>
                      </div>
                    </div>
                    <div className="clone-ai-flow-arrow" aria-hidden="true" />
                    <button
                      type="button"
                      className="clone-ai-flow-node clone-ai-flow-node--result"
                      onClick={() => openProductSetPreview(results[0])}
                    >
                      <img src={results[0].src} alt={selectedCloneOutput.label} />
                      <span className="clone-ai-flow-node__tag">{selectedCloneOutput.label}</span>
                    </button>
                    <div className="clone-ai-flow-arrow" aria-hidden="true" />
                    <div className="clone-ai-flow-node clone-ai-flow-node--video">
                      <img src={results[0].src} alt="分镜视频" />
                      <span className="clone-ai-flow-node__tag clone-ai-flow-node__tag--accent">分镜视频</span>
                    </div>
                  </div>
                ) : null}
              </div>
            ) : (
              <div className="clone-ai-flow-branches clone-ai-flow-branches--empty">
                {[1, 2, 3].map((branchIndex) => (
                  <div
                    key={branchIndex}
                    className={`clone-ai-flow-branch${status === "generating" ? " is-generating" : ""}${status === "failed" ? " is-failed" : ""}`}
                  >
                    <div className="clone-ai-flow-node clone-ai-flow-node--text">
                      <div className="clone-ai-flow-node__text-content">
                        <span className="clone-ai-flow-node__text-title">分镜文本{branchIndex}</span>
                        <span className="clone-ai-flow-node__text-desc">
                          {status === "generating" ? "AI 解析中..." : "等待生成"}
                        </span>
                      </div>
                    </div>
                    <div className="clone-ai-flow-arrow" aria-hidden="true" />
                    <div className="clone-ai-flow-node clone-ai-flow-node--result">
                      <div className="clone-ai-flow-node__placeholder">
                        {status === "generating" ? <LoadingOutlined /> : <FileImageOutlined />}
                      </div>
                      <span className="clone-ai-flow-node__tag">分镜图{branchIndex}</span>
                    </div>
                    <div className="clone-ai-flow-arrow" aria-hidden="true" />
                    <div className="clone-ai-flow-node clone-ai-flow-node--video">
                      <div className="clone-ai-flow-node__placeholder">
                        {status === "generating" ? <LoadingOutlined /> : <FileImageOutlined />}
                      </div>
                      <span className="clone-ai-flow-node__tag">分镜视频{branchIndex}</span>
                    </div>
                  </div>
                ))}
              </div>
            )}
          </section>

          {/* Status Overlay — 生成状态覆盖层 */}
          {status !== "done" ? (
            <section className="clone-ai-flow-status" aria-live="polite">
              {status === "generating" ? (
                <>
                  <LoadingOutlined style={{ fontSize: 28 }} />
                  <strong>正在生成</strong>
                  <EcommerceProgressBar status="generating" label={`${selectedCloneOutput.label}生成`} />
                  <span>AI 正在为 {platform} / {market} 整理{selectedCloneOutput.label}。</span>
                </>
              ) : status === "failed" ? (
                <>
                  <FrownOutlined style={{ fontSize: 28 }} />
                  <strong>生成失败</strong>
                  <span>请检查网络后点击下方重试</span>
                  {lastFailedActionRef.current ? (
                    <button type="button" className="clone-ai-retry-btn" onClick={lastFailedActionRef.current}>
                      <ReloadOutlined /> 重试
                    </button>
                  ) : null}
                </>
              ) : (
                <span>上传商品原图并填写信息后，AI 将在这里展示生成结果。</span>
              )}
            </section>
          ) : null}
        </>
      ) : (
        <>
          {status === "done" ? (
            <div className="clone-ai-preview-zoom-wrap" style={{ zoom: previewZoom }}>
            <section className="clone-ai-preview-showcase" aria-label="生成结果">
              <button type="button" className="clone-ai-main-result" style={{ aspectRatio: parseRatioToAspectCss(ratio) }} onClick={() => openProductSetPreview(cloneOutput === "set" ? clonePreviewCards[0] : results[0])}>
                <img src={productImages[0]?.src ?? (cloneOutput === "set" ? clonePreviewCards[0].src : results[0]?.src ?? "")} alt="上传商品原图" />
                <span>原图素材</span>
              </button>
              <div className="clone-ai-flow-arrow" aria-hidden="true" />
              <div className="clone-ai-result-grid result-reveal">
                {cloneOutput === "set" ? (
                  clonePreviewCards.map((card) => (
                    <button key={card.id} type="button" style={{ aspectRatio: parseRatioToAspectCss(ratio) }} onClick={() => openProductSetPreview(card)}>
                      <img src={card.src} alt={card.label} />
                      <span>{card.label}</span>
                    </button>
                  ))
                ) : results[0]?.src ? (
                  <button type="button" style={{ aspectRatio: parseRatioToAspectCss(ratio) }} onClick={() => openProductSetPreview(results[0])}>
                    <img src={results[0].src} alt={selectedCloneOutput.label} />
                    <span>{selectedCloneOutput.label}</span>
                  </button>
                ) : null}
              </div>
            </section>
            </div>
          ) : (
            <section className="clone-ai-empty-state" aria-live="polite">
              {status === "generating" ? <LoadingOutlined /> : status === "failed" ? <FrownOutlined /> : <FileImageOutlined />}
              <strong>{status === "generating" ? "正在生成" : status === "failed" ? "生成失败" : "等待生成"}</strong>
              {status === "generating" ? <EcommerceProgressBar status="generating" label={`${selectedCloneOutput.label}生成`} /> : null}
              <span>
                {status === "generating"
                  ? `AI 正在为 ${platform} / ${market} 整理${selectedCloneOutput.label}。`
                  : status === "failed"
                  ? "请检查网络后点击下方重试"
                  : "上传商品原图并填写信息后，AI 将在这里展示生成结果。"}
              </span>
              {status === "failed" && lastFailedActionRef.current ? (
                <button type="button" className="clone-ai-retry-btn" onClick={lastFailedActionRef.current}>
                  <ReloadOutlined /> 重试
                </button>
              ) : null}
            </section>
          )}
        </>
      )}

      <section className="clone-ai-bottom-input" aria-label="信息详情">
        <div className="clone-ai-input-wrapper">
          <textarea
            ref={requirementTextareaRef}
            value={requirement}
            onChange={(event) => {
              const nextValue = event.target.value.slice(0, 500);
              setRequirement(nextValue);
              syncRequirementMentionQuery(nextValue, event.target.selectionStart);
            }}
            onClick={(event) => syncRequirementMentionQuery(requirement, event.currentTarget.selectionStart)}
            onKeyUp={(event) => syncRequirementMentionQuery(requirement, event.currentTarget.selectionStart)}
            onKeyDown={(event) => {
              if (event.key === "Escape") setRequirementImageMentionQuery(null);
            }}
            maxLength={500}
            placeholder={cloneRequirementPlaceholder}
          />
          {requirementImageMentionQuery !== null && ecommerceMentionImages.length ? (
            <ImageMentionMenu images={ecommerceMentionImages} query={requirementImageMentionQuery} onSelect={insertRequirementImageMention} />
          ) : null}
          <button type="button" className="clone-ai-send-button" disabled={!canGenerate} onClick={handleGenerate} aria-label={clonePrimaryLabel}>
            {status === "generating" ? <LoadingOutlined /> : "↑"}
          </button>
        </div>
        <span className="clone-ai-char-count">{requirement.length}/500</span>
      </section>
    </main>
  );

  const detailPreview = (
    <main className="product-clone-preview product-clone-preview--detail" aria-label="A+详情预览" onWheel={handlePreviewWheel}>
      <div className="product-clone-preview__headline">
        <h1>A+/详情页</h1>
        <p>
          上传商品图，AI 即刻生成 <span>符合多电商平台规范</span> 的专业详情页。
        </p>
      </div>

      <section className="product-detail-demo-board">
        <div className="product-detail-source-stack">
          {detailSourcePreviewImages.map((src, index) => (
            <figure key={`${src}-${index}`}>
              <img src={src} alt={`商品原图 ${index + 1}`} />
            </figure>
          ))}
          <span>上传产品图</span>
        </div>
        <div className="product-detail-flow-arrow" aria-hidden="true" />
        <div className="product-detail-long-result">
          <img src={detailResultUrl ?? detailAssets.longPage} alt="生成电商长图" />
          <span>{detailStatus === "done" ? "已生成电商长图" : "生成电商长图"}</span>
        </div>
        <div className="product-detail-grid-result">
          {detailGridSamples.map((src, index) => (
            <img key={src} src={src} alt={`详情页模块 ${index + 1}`} />
          ))}
          <span>符合多电商平台规范</span>
        </div>
      </section>

      <button type="button" className="product-clone-help" aria-label="帮助">
        <QuestionCircleOutlined />
      </button>
    </main>
  );

  const tryOnPreview = (
    <main className="product-clone-preview product-clone-preview--try-on" aria-label="服饰穿戴预览" onWheel={handlePreviewWheel}>
      <div className="product-clone-preview__headline">
        <h1>AI服饰穿戴</h1>
        <p>上传服装图，定制专属模特，即刻生成多种场景不同姿势套图。</p>
      </div>

      {tryOnResultImages.length ? (
        <section className="product-try-on-generated" aria-label="生成结果">
          {tryOnResultImages.map((src, index) => (
            <figure key={src}>
              <img src={src} alt={`生成结果 ${index + 1}`} />
              <figcaption>{selectedScenes[index % Math.max(selectedScenes.length, 1)] || "智能场景"}</figcaption>
            </figure>
          ))}
        </section>
      ) : null}

      <section className="product-try-on-demo-board">
        {tryOnCards.map((card) => (
          <article key={card.title} className={`product-try-on-card product-try-on-card--${card.tone}`}>
            <h2>{card.title}</h2>
            <div className="product-try-on-inputs">
              {card.inputs.map((src, index) => (
                <div className="product-try-on-input-group" key={`${card.title}-${src}`}>
                  <img src={src} alt={`${card.title} 输入 ${index + 1}`} />
                  {index < card.inputs.length - 1 ? <span className="product-try-on-plus">+</span> : null}
                </div>
              ))}
            </div>
            <div className="product-try-on-arrow" aria-hidden="true" />
            <div className="product-try-on-results">
              {card.results.map((src, index) => (
                <img key={src} src={src} alt={`${card.title} 示例 ${index + 1}`} />
              ))}
            </div>
          </article>
        ))}
      </section>

      <button type="button" className="product-clone-help" aria-label="帮助">
        <QuestionCircleOutlined />
      </button>
    </main>
  );

  const placeholderPreview = (
    <main className="product-clone-preview product-clone-preview--placeholder" aria-label={`${pageLabel}预览`}>
      <div className="product-clone-preview__headline">
        <h1>{pageLabel}</h1>
        <p>选择左侧已接入的工具开始生成商品视觉内容。</p>
      </div>
      <button type="button" className="product-clone-help" aria-label="帮助">
        <QuestionCircleOutlined />
      </button>
    </main>
  );

  return (
    <section
      className={`product-clone-page page-motion${isCloneTool && isCloneSettingsCollapsed ? " is-settings-collapsed" : ""}`}
      data-tool={activeTool}
      aria-label={pageLabel}
    >
      <div className="product-clone-shell">
        <aside className="product-clone-rail" aria-label="商品工具">
          {sideTools.map((tool) => (
            <button key={tool.key} type="button" className={activeTool === tool.key ? "is-active" : ""} onClick={() => setActiveTool(tool.key)}>
              {tool.icon}
              <span>{tool.label}</span>
            </button>
          ))}
        </aside>

        <aside
          id={isCloneTool ? "ecommerce-clone-settings-panel" : undefined}
          className={`product-clone-panel tool-panel-enter`}
          key={activeTool}
          aria-label={`${pageLabel}参数`}
          aria-hidden={isCloneTool && isCloneSettingsCollapsed ? true : undefined}
        >
          {isSetTool ? setPanel : isDetail ? detailPanel : isTryOn ? tryOnPanel : isCloneTool ? clonePanel : placeholderPanel}
        </aside>

        {isCloneTool ? (
          <button
            type="button"
            className="clone-ai-settings-toggle"
            onClick={() => setIsCloneSettingsCollapsed((current) => !current)}
            aria-label={isCloneSettingsCollapsed ? "展开设置面板" : "收起设置面板"}
            aria-controls="ecommerce-clone-settings-panel"
            aria-expanded={!isCloneSettingsCollapsed}
            title={isCloneSettingsCollapsed ? "展开设置面板" : "收起设置面板"}
          >
            {isCloneSettingsCollapsed ? <MenuUnfoldOutlined /> : <MenuFoldOutlined />}
          </button>
        ) : null}

        {isSetTool ? setPreview : isDetail ? detailPreview : isTryOn ? tryOnPreview : isCloneTool ? (cloneOutput === "video" ? (
          <main className="product-clone-preview product-clone-preview--video" style={{ padding: 0 }}>
            <EcommerceVideoWorkspace
              isAuthenticated={Boolean((_props as Record<string, unknown>).isAuthenticated)}
              productImageDataUrls={ecommerceVideoImageDataUrls}
              productImageFiles={ecommerceVideoImageFiles}
              requirement={requirement}
              platform={platform}
              aspectRatio={ratio.includes("9：16") || ratio.includes("9:16") ? "9:16" : ratio.includes("16：9") || ratio.includes("16:9") ? "16:9" : ratio.includes("3：4") || ratio.includes("3:4") ? "3:4" : "9:16"}
              durationSeconds={cloneVideoDuration}
              resolution={cloneVideoQuality === "standard" ? "720P" : "1080P"}
              onRequestLogin={() => ((_props as Record<string, unknown>).isAuthenticated ? undefined : (window.location.hash = "#/login"))}
              onOpenHistory={() => setVideoHistoryVisible(true)}
              triggerPlan={videoPlanTrigger}
            />
          </main>
        ) : cloneOutput === "video-outfit" && results.length > 0 && results[0].type === "video" ? (
          <main className="product-clone-preview product-clone-preview--video-outfit" style={{ display: "flex", alignItems: "center", justifyContent: "center" }}>
            <div style={{ maxWidth: "100%", maxHeight: "100%" }}>
              <video src={results[0].src} controls style={{ maxWidth: "100%", maxHeight: "70vh", borderRadius: "12px" }} />
            </div>
          </main>
        ) : clonePreview) : placeholderPreview}
      </div>

      {selectedProductSetPreview ? (
        <div className="product-set-preview-backdrop" role="presentation" onClick={() => setSelectedProductSetPreview(null)}>
          <section
            className="product-set-preview-modal"
            role="dialog"
            aria-modal="true"
            aria-label={selectedProductSetPreview.label}
            onClick={(event) => event.stopPropagation()}
          >
            <button
              type="button"
              className="product-set-preview-close"
              onClick={() => setSelectedProductSetPreview(null)}
              aria-label="关闭预览"
            >
              <CloseOutlined />
            </button>
            <img src={selectedProductSetPreview.src} alt={selectedProductSetPreview.label} />
            <strong>{selectedProductSetPreview.label}</strong>
          </section>
        </div>
      ) : null}

      {showHostingModal ? (
        <div className="product-set-hosting-backdrop" role="presentation">
          <section className="product-set-hosting-modal" role="dialog" aria-modal="true" aria-label="批量托管上线啦">
            <img src={productSetAssets.hosting} alt="托管模式" />
            <div className="product-set-hosting-content">
              <button type="button" className="product-set-hosting-close" onClick={() => setShowHostingModal(false)} aria-label="关闭">
                ×
              </button>
              <h2>
                批量托管上线啦！
                <span>批量6折</span>
              </h2>
              <strong>睡一觉，图就做好了！</strong>
              <ul>
                <li>
                  <b>批量生产</b>
                  <span>支持无限任务并行生成，效率直线飞升。</span>
                </li>
                <li>
                  <b>成本立省40%</b>
                  <span>调度夜间闲置算力，享受专属离线点数折扣。</span>
                </li>
                <li>
                  <b>AI智能提取</b>
                  <span>自动识别图片卖点，生成高转化销售卖点。</span>
                </li>
              </ul>
              <button type="button" className="product-set-hosting-confirm" onClick={() => setShowHostingModal(false)}>
                我知道了
              </button>
            </div>
          </section>
        </div>
      ) : null}

      <EcommerceVideoHistoryPanel
        visible={videoHistoryVisible}
        onClose={() => setVideoHistoryVisible(false)}
      />
    </section>
  );
}

export default ProductClonePage;
