import {
  CloseOutlined,
  CloudUploadOutlined,
  FileImageOutlined,
  MenuFoldOutlined,
  MenuUnfoldOutlined,
  SettingOutlined,
} from "@ant-design/icons";
import { useEffect, useMemo, useRef, useState, type ChangeEvent, type DragEvent } from "react";
import type { WebViewKey } from "../../types";
import ImageMentionMenu, { getImageMentionQuery, insertImageMentionValue, type MentionImageOption } from "../ecommerce/ImageMentionMenu";
import "../../styles/pages/ecommerce.css";
import "../../styles/pages/size-template.css";
import "../../styles/pages/local-theme-parity.css";

interface SizeTemplatePageProps {
  isAuthenticated?: boolean;
  onOpenMore?: () => void;
  onOpenEcommerce?: () => void;
  onSelectView?: (view: WebViewKey) => void;
}

interface SizeTemplatePreset {
  title: string;
  group: string;
  category: string;
  mainSpec: string;
  ratio: string;
  ratioCss: string;
  limit: string;
  summary: string;
  details: string[];
  tone: "green" | "cyan" | "violet" | "amber";
}

interface SizeTemplateSizeOption {
  label: string;
  mainSpec: string;
  ratio: string;
  ratioCss: string;
}

interface SizeTemplateUploadImage {
  id: string;
  src: string;
  name: string;
}

const sizeTemplateGroups = [
  { key: "socialCn", label: "社交/内容平台" },
  { key: "socialGlobal", label: "国际社交平台" },
  { key: "ecommerce", label: "电商平台" },
  { key: "id", label: "证件照/官方证件" },
];

const socialContentPlatformOptions = [
  { label: "微信公众号", category: "微信公众号" },
  { label: "小红书", category: "小红书" },
  { label: "抖音", category: "抖音/TikTok" },
  { label: "B站", category: "B站" },
  { label: "微博", category: "微博" },
];

const internationalSocialPlatformOptions = [
  { label: "Instagram", category: "Instagram" },
  { label: "YouTube", category: "YouTube" },
  { label: "Twitter/X", category: "Twitter/X" },
  { label: "Facebook", category: "Facebook" },
  { label: "LinkedIn", category: "LinkedIn" },
];

const ecommercePlatformOptions = [
  { label: "淘宝/天猫", category: "淘宝/天猫" },
  { label: "京东", category: "京东" },
  { label: "拼多多", category: "拼多多" },
  { label: "亚马逊", category: "亚马逊" },
  { label: "虾皮 Shopee/Lazada", category: "虾皮 Shopee/Lazada" },
];

const idPhotoPlatformOptions = [
  { label: "常规证件照", category: "常规证件照" },
  { label: "各国签证 / 护照电子照", category: "各国签证/护照电子照" },
  { label: "考试报名照片", category: "考试报名照片" },
  { label: "求职相关", category: "求职相关" },
];

const wechatTypeOptions = [
  { label: "头条封面", title: "微信公众号头条封面" },
  { label: "次条封面", title: "微信公众号次条封面" },
  { label: "正文图", title: "微信公众号正文图" },
];

const xiaohongshuTypeOptions = [
  { label: "笔记封面", title: "小红书笔记封面" },
  { label: "头像", title: "小红书头像" },
];

const douyinTypeOptions = [
  { label: "视频封面", title: "抖音/TikTok 视频封面" },
  { label: "头像", title: "抖音/TikTok 头像" },
];

const bilibiliTypeOptions = [
  { label: "视频封面", title: "B站视频封面" },
  { label: "头像", title: "B站头像" },
  { label: "专栏配图", title: "B站专栏配图" },
];

const weiboTypeOptions = [
  { label: "正文图", title: "微博正文图" },
  { label: "动图", title: "微博动图" },
  { label: "头像", title: "微博头像" },
  { label: "背景图", title: "微博背景图" },
];

const instagramTypeOptions = [
  { label: "常规帖子", title: "Instagram 常规帖子" },
  { label: "动态 / Reels 封面", title: "Instagram 动态/Reels 封面" },
  { label: "头像", title: "Instagram 头像" },
];

const youtubeTypeOptions = [
  { label: "视频缩略图", title: "YouTube 视频缩略图" },
  { label: "频道横幅", title: "YouTube 频道横幅" },
  { label: "频道头像", title: "YouTube 频道头像" },
];

const twitterTypeOptions = [
  { label: "推文图", title: "Twitter/X 推文图" },
  { label: "头部图", title: "Twitter/X 头部图" },
  { label: "卡片图", title: "Twitter/X 卡片图" },
  { label: "头像", title: "Twitter/X 头像" },
];

const facebookTypeOptions = [
  { label: "帖子图", title: "Facebook 帖子图" },
  { label: "桌面封面", title: "Facebook 桌面封面" },
  { label: "移动端封面", title: "Facebook 移动端封面" },
  { label: "故事", title: "Facebook 故事" },
  { label: "群组封面", title: "Facebook 群组封面" },
  { label: "头像", title: "Facebook 头像" },
];

const linkedInTypeOptions = [
  { label: "帖子图", title: "LinkedIn 帖子图" },
  { label: "文章封面", title: "LinkedIn 文章封面" },
  { label: "个人背景图", title: "LinkedIn 个人背景图" },
  { label: "个人头像", title: "LinkedIn 个人头像" },
  { label: "企业 Logo", title: "LinkedIn 企业 Logo" },
  { label: "企业横幅", title: "LinkedIn 企业横幅" },
];

const taobaoTypeOptions = [
  { label: "主图 / SKU 图", title: "淘宝/天猫主图/SKU图" },
  { label: "详情页", title: "淘宝/天猫详情页" },
];

const jingdongTypeOptions = [
  { label: "主图 / SKU 图", title: "京东主图/SKU图" },
  { label: "详情页", title: "京东详情页" },
];

const pinduoduoTypeOptions = [
  { label: "主图", title: "拼多多主图" },
  { label: "详情页", title: "拼多多详情页" },
];

const amazonTypeOptions = [{ label: "主图", title: "亚马逊主图" }];

const shopeeLazadaTypeOptions = [{ label: "商品主图", title: "虾皮 Shopee/Lazada 商品主图" }];

const regularIdPhotoTypeOptions = [
  { label: "一寸照", title: "一寸照" },
  { label: "二寸照", title: "二寸照" },
  { label: "小二寸", title: "小二寸（护照/签证）" },
];

const visaPassportTypeOptions = [
  { label: "中国护照", title: "中国护照" },
  { label: "美国签证", title: "美国签证" },
  { label: "英国签证", title: "英国签证" },
  { label: "加拿大签证", title: "加拿大签证" },
];

const examPhotoTypeOptions = [
  { label: "国考", title: "国考报名照片" },
  { label: "英语四六级", title: "英语四六级报名照片" },
  { label: "教资", title: "教资报名照片" },
];

const jobPhotoTypeOptions = [
  { label: "简历照片", title: "简历照片" },
  { label: "LinkedIn 头像", title: "求职 LinkedIn 头像" },
];

const typeOptionsByCategory = {
  微信公众号: wechatTypeOptions,
  小红书: xiaohongshuTypeOptions,
  "抖音/TikTok": douyinTypeOptions,
  B站: bilibiliTypeOptions,
  微博: weiboTypeOptions,
  Instagram: instagramTypeOptions,
  YouTube: youtubeTypeOptions,
  "Twitter/X": twitterTypeOptions,
  Facebook: facebookTypeOptions,
  LinkedIn: linkedInTypeOptions,
  "淘宝/天猫": taobaoTypeOptions,
  京东: jingdongTypeOptions,
  拼多多: pinduoduoTypeOptions,
  亚马逊: amazonTypeOptions,
  "虾皮 Shopee/Lazada": shopeeLazadaTypeOptions,
  常规证件照: regularIdPhotoTypeOptions,
  "各国签证/护照电子照": visaPassportTypeOptions,
  考试报名照片: examPhotoTypeOptions,
  求职相关: jobPhotoTypeOptions,
};

const sizeOptionsByPresetTitle: Record<string, SizeTemplateSizeOption[]> = {
  小红书笔记封面: [
    { label: "1080×1440px", mainSpec: "1080×1440px", ratio: "3:4", ratioCss: "3 / 4" },
    { label: "1080×1080px", mainSpec: "1080×1080px", ratio: "1:1", ratioCss: "1 / 1" },
  ],
  "Instagram 常规帖子": [
    { label: "1080×1350px", mainSpec: "1080×1350px", ratio: "4:5", ratioCss: "4 / 5" },
    { label: "1080×1080px", mainSpec: "1080×1080px", ratio: "1:1", ratioCss: "1 / 1" },
  ],
  "淘宝/天猫详情页": [
    { label: "宽750px", mainSpec: "宽750px", ratio: "高≤1546px", ratioCss: "750 / 1546" },
    { label: "宽790px", mainSpec: "宽790px", ratio: "高≤1546px", ratioCss: "790 / 1546" },
  ],
  拼多多主图: [
    { label: "750×352px", mainSpec: "750×352px", ratio: "750:352", ratioCss: "750 / 352" },
    { label: "800×800px", mainSpec: "800×800px", ratio: "1:1", ratioCss: "1 / 1" },
  ],
  "虾皮 Shopee/Lazada 商品主图": [
    { label: "推荐 1024×1024px", mainSpec: "1024×1024px", ratio: "1:1", ratioCss: "1 / 1" },
    { label: "基础 800×800px", mainSpec: "800×800px", ratio: "1:1", ratioCss: "1 / 1" },
  ],
};

const sizeTemplatePresets: SizeTemplatePreset[] = [
  {
    title: "微信公众号头条封面",
    group: "socialCn",
    category: "微信公众号",
    mainSpec: "900×383px",
    ratio: "2.35:1",
    ratioCss: "900 / 383",
    limit: "≤5MB",
    summary: "头条封面：900×383px，2.35:1，≤5MB。",
    details: ["次条封面：200×200px，1:1", "正文图：宽≤1080px，单张≤10MB"],
    tone: "green",
  },
  {
    title: "微信公众号次条封面",
    group: "socialCn",
    category: "微信公众号",
    mainSpec: "200×200px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "按平台限制导出",
    summary: "次条封面：200×200px，1:1。",
    details: ["头条封面：900×383px，2.35:1，≤5MB", "正文图：宽≤1080px，单张≤10MB"],
    tone: "green",
  },
  {
    title: "微信公众号正文图",
    group: "socialCn",
    category: "微信公众号",
    mainSpec: "宽≤1080px",
    ratio: "自适应",
    ratioCss: "4 / 3",
    limit: "单张≤10MB",
    summary: "正文图：宽≤1080px，单张≤10MB。",
    details: ["头条封面：900×383px，2.35:1，≤5MB", "次条封面：200×200px，1:1"],
    tone: "green",
  },
  {
    title: "小红书笔记封面",
    group: "socialCn",
    category: "小红书",
    mainSpec: "1080×1440px",
    ratio: "3:4",
    ratioCss: "3 / 4",
    limit: "单张≤20MB",
    summary: "笔记封面：1080×1440px（3:4），单张≤20MB。",
    details: ["可在尺寸中切换 1080×1080px，1:1", "头像：400×400px，1:1"],
    tone: "cyan",
  },
  {
    title: "小红书头像",
    group: "socialCn",
    category: "小红书",
    mainSpec: "400×400px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "按平台限制导出",
    summary: "头像：400×400px，1:1。",
    details: ["笔记封面：1080×1440px（3:4）、1080×1080px（1:1），单张≤20MB"],
    tone: "cyan",
  },
  {
    title: "抖音/TikTok 视频封面",
    group: "socialCn",
    category: "抖音/TikTok",
    mainSpec: "1080×1920px",
    ratio: "9:16",
    ratioCss: "9 / 16",
    limit: "≤2MB",
    summary: "视频封面：1080×1920px，9:16，≤2MB（上下 15% 区域会被遮挡）。",
    details: ["头像：200×200px，1:1"],
    tone: "violet",
  },
  {
    title: "抖音/TikTok 头像",
    group: "socialCn",
    category: "抖音/TikTok",
    mainSpec: "200×200px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "按平台限制导出",
    summary: "头像：200×200px，1:1。",
    details: ["视频封面：1080×1920px，9:16，≤2MB（上下 15% 区域会被遮挡）"],
    tone: "violet",
  },
  {
    title: "B站视频封面",
    group: "socialCn",
    category: "B站",
    mainSpec: "1146×717px",
    ratio: "16:10",
    ratioCss: "1146 / 717",
    limit: "≤2MB",
    summary: "视频封面：1146×717px，16:10，≤2MB。",
    details: ["头像：300×300px，1:1", "专栏配图：宽度≤1000px"],
    tone: "amber",
  },
  {
    title: "B站头像",
    group: "socialCn",
    category: "B站",
    mainSpec: "300×300px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "按平台限制导出",
    summary: "头像：300×300px，1:1。",
    details: ["视频封面：1146×717px，16:10，≤2MB", "专栏配图：宽度≤1000px"],
    tone: "amber",
  },
  {
    title: "B站专栏配图",
    group: "socialCn",
    category: "B站",
    mainSpec: "宽度≤1000px",
    ratio: "自适应",
    ratioCss: "4 / 3",
    limit: "按平台限制导出",
    summary: "专栏配图：宽度≤1000px。",
    details: ["视频封面：1146×717px，16:10，≤2MB", "头像：300×300px，1:1"],
    tone: "amber",
  },
  {
    title: "微博正文图",
    group: "socialCn",
    category: "微博",
    mainSpec: "推荐宽1080px",
    ratio: "长图≤1:3",
    ratioCss: "4 / 3",
    limit: "单张≤20MB",
    summary: "正文图：推荐宽 1080px，单张≤20MB；长图比例≤1:3。",
    details: ["动图：≤5MB", "头像：200×200px，1:1", "背景图：920×300px"],
    tone: "green",
  },
  {
    title: "微博动图",
    group: "socialCn",
    category: "微博",
    mainSpec: "按内容导出",
    ratio: "自适应",
    ratioCss: "4 / 3",
    limit: "≤5MB",
    summary: "动图：≤5MB。",
    details: ["正文图：推荐宽 1080px，单张≤20MB；长图比例≤1:3", "头像：200×200px，1:1", "背景图：920×300px"],
    tone: "green",
  },
  {
    title: "微博头像",
    group: "socialCn",
    category: "微博",
    mainSpec: "200×200px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "按平台限制导出",
    summary: "头像：200×200px，1:1。",
    details: ["正文图：推荐宽 1080px，单张≤20MB；长图比例≤1:3", "动图：≤5MB", "背景图：920×300px"],
    tone: "green",
  },
  {
    title: "微博背景图",
    group: "socialCn",
    category: "微博",
    mainSpec: "920×300px",
    ratio: "920:300",
    ratioCss: "920 / 300",
    limit: "按平台限制导出",
    summary: "背景图：920×300px。",
    details: ["正文图：推荐宽 1080px，单张≤20MB；长图比例≤1:3", "动图：≤5MB", "头像：200×200px，1:1"],
    tone: "green",
  },
  {
    title: "Instagram 常规帖子",
    group: "socialGlobal",
    category: "Instagram",
    mainSpec: "1080×1350px",
    ratio: "4:5",
    ratioCss: "4 / 5",
    limit: "图片≤1MB",
    summary: "常规帖子：1080×1350px（4:5 推荐），图片≤1MB。",
    details: ["可在尺寸中切换 1080×1080px，1:1", "动态 / Reels 封面：1080×1920px，9:16", "头像：320×320px，1:1"],
    tone: "cyan",
  },
  {
    title: "Instagram 动态/Reels 封面",
    group: "socialGlobal",
    category: "Instagram",
    mainSpec: "1080×1920px",
    ratio: "9:16",
    ratioCss: "9 / 16",
    limit: "图片≤1MB",
    summary: "动态 / Reels 封面：1080×1920px，9:16，图片≤1MB。",
    details: ["常规帖子：1080×1350px（4:5 推荐）或 1080×1080px（1:1）", "头像：320×320px，1:1"],
    tone: "cyan",
  },
  {
    title: "Instagram 头像",
    group: "socialGlobal",
    category: "Instagram",
    mainSpec: "320×320px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "图片≤1MB",
    summary: "头像：320×320px，1:1，图片≤1MB。",
    details: ["常规帖子：1080×1350px（4:5 推荐）或 1080×1080px（1:1）", "动态 / Reels 封面：1080×1920px，9:16"],
    tone: "cyan",
  },
  {
    title: "YouTube 视频缩略图",
    group: "socialGlobal",
    category: "YouTube",
    mainSpec: "1280×720px",
    ratio: "16:9",
    ratioCss: "16 / 9",
    limit: "宽≥640px，≤2MB",
    summary: "视频缩略图：1280×720px，16:9，宽≥640px，≤2MB。",
    details: ["频道横幅：2560×1440px；安全区 1546×423px", "频道头像：800×800px，1:1"],
    tone: "amber",
  },
  {
    title: "YouTube 频道横幅",
    group: "socialGlobal",
    category: "YouTube",
    mainSpec: "2560×1440px",
    ratio: "16:9",
    ratioCss: "16 / 9",
    limit: "安全区1546×423px",
    summary: "频道横幅：2560×1440px；安全区 1546×423px。",
    details: ["视频缩略图：1280×720px，16:9，宽≥640px，≤2MB", "频道头像：800×800px，1:1"],
    tone: "amber",
  },
  {
    title: "YouTube 频道头像",
    group: "socialGlobal",
    category: "YouTube",
    mainSpec: "800×800px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "按平台限制导出",
    summary: "频道头像：800×800px，1:1。",
    details: ["视频缩略图：1280×720px，16:9，宽≥640px，≤2MB", "频道横幅：2560×1440px；安全区 1546×423px"],
    tone: "amber",
  },
  {
    title: "Twitter/X 推文图",
    group: "socialGlobal",
    category: "Twitter/X",
    mainSpec: "1600×900px",
    ratio: "16:9",
    ratioCss: "16 / 9",
    limit: "GIF≤15MB，视频≤512MB",
    summary: "推文图：1600×900px，16:9。素材限制：GIF≤15MB，视频≤512MB。",
    details: ["头部图：1500×500px，3:1", "卡片图：800×418px", "头像：400×400px，1:1"],
    tone: "violet",
  },
  {
    title: "Twitter/X 头部图",
    group: "socialGlobal",
    category: "Twitter/X",
    mainSpec: "1500×500px",
    ratio: "3:1",
    ratioCss: "3 / 1",
    limit: "GIF≤15MB，视频≤512MB",
    summary: "头部图：1500×500px，3:1。素材限制：GIF≤15MB，视频≤512MB。",
    details: ["推文图：1600×900px，16:9", "卡片图：800×418px", "头像：400×400px，1:1"],
    tone: "violet",
  },
  {
    title: "Twitter/X 卡片图",
    group: "socialGlobal",
    category: "Twitter/X",
    mainSpec: "800×418px",
    ratio: "800:418",
    ratioCss: "800 / 418",
    limit: "GIF≤15MB，视频≤512MB",
    summary: "卡片图：800×418px。素材限制：GIF≤15MB，视频≤512MB。",
    details: ["推文图：1600×900px，16:9", "头部图：1500×500px，3:1", "头像：400×400px，1:1"],
    tone: "violet",
  },
  {
    title: "Twitter/X 头像",
    group: "socialGlobal",
    category: "Twitter/X",
    mainSpec: "400×400px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "GIF≤15MB，视频≤512MB",
    summary: "头像：400×400px，1:1。素材限制：GIF≤15MB，视频≤512MB。",
    details: ["推文图：1600×900px，16:9", "头部图：1500×500px，3:1", "卡片图：800×418px"],
    tone: "violet",
  },
  {
    title: "Facebook 帖子图",
    group: "socialGlobal",
    category: "Facebook",
    mainSpec: "1200×630px",
    ratio: "1.91:1",
    ratioCss: "1200 / 630",
    limit: "按平台压缩规则导出",
    summary: "帖子图：1200×630px。",
    details: ["桌面封面：820×312px", "移动端封面：640×360px", "故事：1080×1920px，9:16", "群组封面：1640×856px", "头像：170×170px，1:1"],
    tone: "green",
  },
  {
    title: "Facebook 桌面封面",
    group: "socialGlobal",
    category: "Facebook",
    mainSpec: "820×312px",
    ratio: "820:312",
    ratioCss: "820 / 312",
    limit: "按平台压缩规则导出",
    summary: "桌面封面：820×312px。",
    details: ["帖子图：1200×630px", "移动端封面：640×360px", "故事：1080×1920px，9:16", "群组封面：1640×856px", "头像：170×170px，1:1"],
    tone: "green",
  },
  {
    title: "Facebook 移动端封面",
    group: "socialGlobal",
    category: "Facebook",
    mainSpec: "640×360px",
    ratio: "16:9",
    ratioCss: "16 / 9",
    limit: "按平台压缩规则导出",
    summary: "移动端封面：640×360px。",
    details: ["帖子图：1200×630px", "桌面封面：820×312px", "故事：1080×1920px，9:16", "群组封面：1640×856px", "头像：170×170px，1:1"],
    tone: "green",
  },
  {
    title: "Facebook 故事",
    group: "socialGlobal",
    category: "Facebook",
    mainSpec: "1080×1920px",
    ratio: "9:16",
    ratioCss: "9 / 16",
    limit: "按平台压缩规则导出",
    summary: "故事：1080×1920px，9:16。",
    details: ["帖子图：1200×630px", "桌面封面：820×312px", "移动端封面：640×360px", "群组封面：1640×856px", "头像：170×170px，1:1"],
    tone: "green",
  },
  {
    title: "Facebook 群组封面",
    group: "socialGlobal",
    category: "Facebook",
    mainSpec: "1640×856px",
    ratio: "1640:856",
    ratioCss: "1640 / 856",
    limit: "按平台压缩规则导出",
    summary: "群组封面：1640×856px。",
    details: ["帖子图：1200×630px", "桌面封面：820×312px", "移动端封面：640×360px", "故事：1080×1920px，9:16", "头像：170×170px，1:1"],
    tone: "green",
  },
  {
    title: "Facebook 头像",
    group: "socialGlobal",
    category: "Facebook",
    mainSpec: "170×170px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "按平台压缩规则导出",
    summary: "头像：170×170px，1:1。",
    details: ["帖子图：1200×630px", "桌面封面：820×312px", "移动端封面：640×360px", "故事：1080×1920px，9:16", "群组封面：1640×856px"],
    tone: "green",
  },
  {
    title: "LinkedIn 帖子图",
    group: "socialGlobal",
    category: "LinkedIn",
    mainSpec: "1200×627px",
    ratio: "1.91:1",
    ratioCss: "1200 / 627",
    limit: "按平台压缩规则导出",
    summary: "帖子图：1200×627px。",
    details: ["文章封面：1200×644px", "个人背景图：1584×396px", "个人头像：400×400px，1:1", "企业 Logo：300×300px，1:1", "企业横幅：1128×191px"],
    tone: "cyan",
  },
  {
    title: "LinkedIn 文章封面",
    group: "socialGlobal",
    category: "LinkedIn",
    mainSpec: "1200×644px",
    ratio: "1200:644",
    ratioCss: "1200 / 644",
    limit: "按平台压缩规则导出",
    summary: "文章封面：1200×644px。",
    details: ["帖子图：1200×627px", "个人背景图：1584×396px", "个人头像：400×400px，1:1", "企业 Logo：300×300px，1:1", "企业横幅：1128×191px"],
    tone: "cyan",
  },
  {
    title: "LinkedIn 个人背景图",
    group: "socialGlobal",
    category: "LinkedIn",
    mainSpec: "1584×396px",
    ratio: "4:1",
    ratioCss: "4 / 1",
    limit: "按平台限制导出",
    summary: "个人背景图：1584×396px。",
    details: ["帖子图：1200×627px", "文章封面：1200×644px", "个人头像：400×400px，1:1", "企业 Logo：300×300px，1:1", "企业横幅：1128×191px"],
    tone: "cyan",
  },
  {
    title: "LinkedIn 个人头像",
    group: "socialGlobal",
    category: "LinkedIn",
    mainSpec: "400×400px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "按平台限制导出",
    summary: "个人头像：400×400px，1:1。",
    details: ["帖子图：1200×627px", "文章封面：1200×644px", "个人背景图：1584×396px", "企业 Logo：300×300px，1:1", "企业横幅：1128×191px"],
    tone: "cyan",
  },
  {
    title: "LinkedIn 企业 Logo",
    group: "socialGlobal",
    category: "LinkedIn",
    mainSpec: "300×300px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "按平台限制导出",
    summary: "企业 Logo：300×300px，1:1。",
    details: ["帖子图：1200×627px", "文章封面：1200×644px", "个人背景图：1584×396px", "个人头像：400×400px，1:1", "企业横幅：1128×191px"],
    tone: "cyan",
  },
  {
    title: "LinkedIn 企业横幅",
    group: "socialGlobal",
    category: "LinkedIn",
    mainSpec: "1128×191px",
    ratio: "1128:191",
    ratioCss: "1128 / 191",
    limit: "按平台限制导出",
    summary: "企业横幅：1128×191px。",
    details: ["帖子图：1200×627px", "文章封面：1200×644px", "个人背景图：1584×396px", "个人头像：400×400px，1:1", "企业 Logo：300×300px，1:1"],
    tone: "cyan",
  },
  {
    title: "淘宝/天猫主图/SKU图",
    group: "ecommerce",
    category: "淘宝/天猫",
    mainSpec: "800×800px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "≤3MB",
    summary: "主图 / SKU 图：800×800px，1:1，≤3MB。",
    details: ["详情页：宽 750px/790px，单张高≤1546px"],
    tone: "green",
  },
  {
    title: "淘宝/天猫详情页",
    group: "ecommerce",
    category: "淘宝/天猫",
    mainSpec: "宽750px",
    ratio: "高≤1546px",
    ratioCss: "750 / 1546",
    limit: "单张高≤1546px",
    summary: "详情页：宽 750px/790px，单张高≤1546px。",
    details: ["主图 / SKU 图：800×800px，1:1，≤3MB"],
    tone: "green",
  },
  {
    title: "京东主图/SKU图",
    group: "ecommerce",
    category: "京东",
    mainSpec: "800×800px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "≤1MB（白底）",
    summary: "主图 / SKU 图：800×800px，1:1，≤1MB（白底）。",
    details: ["详情页：宽 750px"],
    tone: "cyan",
  },
  {
    title: "京东详情页",
    group: "ecommerce",
    category: "京东",
    mainSpec: "宽750px",
    ratio: "自适应",
    ratioCss: "4 / 3",
    limit: "按平台限制导出",
    summary: "详情页：宽 750px。",
    details: ["主图 / SKU 图：800×800px，1:1，≤1MB（白底）"],
    tone: "cyan",
  },
  {
    title: "拼多多主图",
    group: "ecommerce",
    category: "拼多多",
    mainSpec: "750×352px",
    ratio: "750:352",
    ratioCss: "750 / 352",
    limit: "≤1MB",
    summary: "主图：750×352px，≤1MB。",
    details: ["可在尺寸中切换 800×800px，1:1", "详情页：宽 750px"],
    tone: "amber",
  },
  {
    title: "拼多多详情页",
    group: "ecommerce",
    category: "拼多多",
    mainSpec: "宽750px",
    ratio: "自适应",
    ratioCss: "4 / 3",
    limit: "按平台限制导出",
    summary: "详情页：宽 750px。",
    details: ["主图：750×352px、800×800px（1:1），≤1MB"],
    tone: "amber",
  },
  {
    title: "亚马逊主图",
    group: "ecommerce",
    category: "亚马逊",
    mainSpec: "≥1600×1600px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "≤10MB（纯白底）",
    summary: "主图：≥1600×1600px，1:1，≤10MB（纯白底），最小 500×500px。",
    details: ["最小 500×500px"],
    tone: "violet",
  },
  {
    title: "虾皮 Shopee/Lazada 商品主图",
    group: "ecommerce",
    category: "虾皮 Shopee/Lazada",
    mainSpec: "1024×1024px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "≤2MB",
    summary: "商品主图：推荐 1024×1024px，1:1，≤2MB。",
    details: ["可在尺寸中切换基础 800×800px，1:1"],
    tone: "green",
  },
  {
    title: "一寸照",
    group: "id",
    category: "常规证件照",
    mainSpec: "295×413px",
    ratio: "295:413",
    ratioCss: "295 / 413",
    limit: "按平台限制导出",
    summary: "一寸照：295×413px。",
    details: ["二寸照：413×579px", "小二寸（护照 / 签证）：413×531px"],
    tone: "cyan",
  },
  {
    title: "二寸照",
    group: "id",
    category: "常规证件照",
    mainSpec: "413×579px",
    ratio: "413:579",
    ratioCss: "413 / 579",
    limit: "按平台限制导出",
    summary: "二寸照：413×579px。",
    details: ["一寸照：295×413px", "小二寸（护照 / 签证）：413×531px"],
    tone: "cyan",
  },
  {
    title: "小二寸（护照/签证）",
    group: "id",
    category: "常规证件照",
    mainSpec: "413×531px",
    ratio: "413:531",
    ratioCss: "413 / 531",
    limit: "按平台限制导出",
    summary: "小二寸（护照 / 签证）：413×531px。",
    details: ["一寸照：295×413px", "二寸照：413×579px"],
    tone: "cyan",
  },
  {
    title: "中国护照",
    group: "id",
    category: "各国签证/护照电子照",
    mainSpec: "354×472px",
    ratio: "354:472",
    ratioCss: "354 / 472",
    limit: "≤40KB（白底）",
    summary: "中国护照：354×472px，≤40KB（白底）。",
    details: ["美国签证：600×600px，1:1，≤240KB", "英国签证：600×750px", "加拿大签证：420×540px"],
    tone: "violet",
  },
  {
    title: "美国签证",
    group: "id",
    category: "各国签证/护照电子照",
    mainSpec: "600×600px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "≤240KB",
    summary: "美国签证：600×600px，1:1，≤240KB。",
    details: ["中国护照：354×472px，≤40KB（白底）", "英国签证：600×750px", "加拿大签证：420×540px"],
    tone: "violet",
  },
  {
    title: "英国签证",
    group: "id",
    category: "各国签证/护照电子照",
    mainSpec: "600×750px",
    ratio: "600:750",
    ratioCss: "600 / 750",
    limit: "按平台限制导出",
    summary: "英国签证：600×750px。",
    details: ["中国护照：354×472px，≤40KB（白底）", "美国签证：600×600px，1:1，≤240KB", "加拿大签证：420×540px"],
    tone: "violet",
  },
  {
    title: "加拿大签证",
    group: "id",
    category: "各国签证/护照电子照",
    mainSpec: "420×540px",
    ratio: "420:540",
    ratioCss: "420 / 540",
    limit: "按平台限制导出",
    summary: "加拿大签证：420×540px。",
    details: ["中国护照：354×472px，≤40KB（白底）", "美国签证：600×600px，1:1，≤240KB", "英国签证：600×750px"],
    tone: "violet",
  },
  {
    title: "国考报名照片",
    group: "id",
    category: "考试报名照片",
    mainSpec: "宽130px",
    ratio: "按公告",
    ratioCss: "4 / 5",
    limit: "≤30KB",
    summary: "国考：宽 130px，≤30KB。",
    details: ["英语四六级：192×144px，≤20KB", "教资：宽 114-480px，≤200KB"],
    tone: "amber",
  },
  {
    title: "英语四六级报名照片",
    group: "id",
    category: "考试报名照片",
    mainSpec: "192×144px",
    ratio: "4:3",
    ratioCss: "4 / 3",
    limit: "≤20KB",
    summary: "英语四六级：192×144px，≤20KB。",
    details: ["国考：宽 130px，≤30KB", "教资：宽 114-480px，≤200KB"],
    tone: "amber",
  },
  {
    title: "教资报名照片",
    group: "id",
    category: "考试报名照片",
    mainSpec: "宽114-480px",
    ratio: "按公告",
    ratioCss: "4 / 5",
    limit: "≤200KB",
    summary: "教资：宽 114-480px，≤200KB。",
    details: ["国考：宽 130px，≤30KB", "英语四六级：192×144px，≤20KB"],
    tone: "amber",
  },
  {
    title: "简历照片",
    group: "id",
    category: "求职相关",
    mainSpec: "300dpi起",
    ratio: "按简历要求",
    ratioCss: "4 / 5",
    limit: "≤200KB（部分≤100KB）",
    summary: "简历照片：≤200KB（部分≤100KB），300dpi 起。",
    details: ["LinkedIn 头像：400×400px，1:1"],
    tone: "green",
  },
  {
    title: "求职 LinkedIn 头像",
    group: "id",
    category: "求职相关",
    mainSpec: "400×400px",
    ratio: "1:1",
    ratioCss: "1 / 1",
    limit: "按平台限制导出",
    summary: "LinkedIn 头像：400×400px，1:1。",
    details: ["简历照片：≤200KB（部分≤100KB），300dpi 起"],
    tone: "green",
  },
];

function createSizeTemplateUploadItems(files: File[], remainingSlots: number): SizeTemplateUploadImage[] {
  return files
    .filter((file) => file.type.startsWith("image/"))
    .slice(0, remainingSlots)
    .map((file, index) => ({
      id: `size-template-${Date.now()}-${index}-${file.name}`,
      src: URL.createObjectURL(file),
      name: file.name,
    }));
}

function SizeTemplatePage({ onOpenEcommerce }: SizeTemplatePageProps) {
  const uploadInputRef = useRef<HTMLInputElement>(null);
  const requirementTextareaRef = useRef<HTMLTextAreaElement>(null);
  const uploadObjectUrlsRef = useRef<string[]>([]);
  const [activeGroup, setActiveGroup] = useState(sizeTemplateGroups[0]!.key);
  const [activePresetTitle, setActivePresetTitle] = useState(sizeTemplatePresets[0]!.title);
  const [activePanelTab, setActivePanelTab] = useState<"preset" | "detail">("preset");
  const [platformDialogOpen, setPlatformDialogOpen] = useState(false);
  const [typeDialogOpen, setTypeDialogOpen] = useState(false);
  const [sizeDialogOpen, setSizeDialogOpen] = useState(false);
  const [activeSizeOptionByTitle, setActiveSizeOptionByTitle] = useState<Record<string, string>>({});
  const [uploadedImages, setUploadedImages] = useState<SizeTemplateUploadImage[]>([]);
  const [isUploadDragging, setIsUploadDragging] = useState(false);
  const [isSettingsCollapsed, setIsSettingsCollapsed] = useState(false);
  const [requirement, setRequirement] = useState("");
  const [requirementImageMentionQuery, setRequirementImageMentionQuery] = useState<string | null>(null);

  const filteredTemplates = useMemo(
    () => sizeTemplatePresets.filter((item) => item.group === activeGroup),
    [activeGroup],
  );
  const selectedPreset =
    filteredTemplates.find((item) => item.title === activePresetTitle) ?? filteredTemplates[0] ?? sizeTemplatePresets[0]!;
  const platformOptions =
    activeGroup === "socialCn"
      ? socialContentPlatformOptions
      : activeGroup === "socialGlobal"
        ? internationalSocialPlatformOptions
        : activeGroup === "ecommerce"
          ? ecommercePlatformOptions
          : activeGroup === "id"
            ? idPhotoPlatformOptions
          : [];
  const selectedPlatformLabel =
    platformOptions.length
      ? (platformOptions.find((item) => item.category === selectedPreset.category)?.label ?? selectedPreset.category)
      : selectedPreset.category;
  const typeOptions = typeOptionsByCategory[selectedPreset.category as keyof typeof typeOptionsByCategory] ?? [];
  const selectedTypeLabel = typeOptions.find((option) => option.title === selectedPreset.title)?.label ?? selectedPreset.title;
  const sizeOptions = sizeOptionsByPresetTitle[selectedPreset.title] ?? [];
  const selectedSizeOption =
    sizeOptions.find((option) => option.mainSpec === activeSizeOptionByTitle[selectedPreset.title]) ?? sizeOptions[0];
  const selectedMainSpec = selectedSizeOption?.mainSpec ?? selectedPreset.mainSpec;
  const selectedRatio = selectedSizeOption?.ratio ?? selectedPreset.ratio;
  const primaryUploadedImage = uploadedImages[0] ?? null;
  const sizeTemplateMentionImages: MentionImageOption[] = uploadedImages.map((image, index) => ({
    ...image,
    label: `上传图 ${index + 1}`,
  }));

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

  useEffect(
    () => () => {
      uploadObjectUrlsRef.current.forEach((url) => URL.revokeObjectURL(url));
      uploadObjectUrlsRef.current = [];
    },
    [],
  );

  const addUploadedImages = (files: File[]) => {
    const remainingSlots = 7 - uploadedImages.length;
    if (remainingSlots <= 0) return;
    const nextImages = createSizeTemplateUploadItems(files, remainingSlots);
    if (!nextImages.length) return;
    uploadObjectUrlsRef.current.push(...nextImages.map((item) => item.src));
    setUploadedImages((current) => [...current, ...nextImages].slice(0, 7));
  };

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

  const handleUploadDrop = (event: DragEvent<HTMLElement>) => {
    event.preventDefault();
    setIsUploadDragging(false);
    const files = Array.from(event.dataTransfer.files);
    if (files.length) addUploadedImages(files);
  };

  const removeUploadedImage = (imageId: string) => {
    setUploadedImages((current) => {
      const removed = current.find((item) => item.id === imageId);
      if (removed) {
        URL.revokeObjectURL(removed.src);
        uploadObjectUrlsRef.current = uploadObjectUrlsRef.current.filter((url) => url !== removed.src);
      }
      return current.filter((item) => item.id !== imageId);
    });
  };

  const selectGroup = (group: string) => {
    setActiveGroup(group);
    setPlatformDialogOpen(false);
    setTypeDialogOpen(false);
    setSizeDialogOpen(false);
    const firstPreset = sizeTemplatePresets.find((item) => item.group === group);
    if (firstPreset) setActivePresetTitle(firstPreset.title);
  };

  const selectPlatform = (category: string) => {
    const nextPreset = sizeTemplatePresets.find((item) => item.group === activeGroup && item.category === category);
    if (nextPreset) setActivePresetTitle(nextPreset.title);
    setPlatformDialogOpen(false);
    setTypeDialogOpen(false);
    setSizeDialogOpen(false);
  };

  const selectType = (title: string) => {
    setActivePresetTitle(title);
    setPlatformDialogOpen(false);
    setTypeDialogOpen(false);
    setSizeDialogOpen(false);
  };

  const selectSizeOption = (mainSpec: string) => {
    setActiveSizeOptionByTitle((current) => ({ ...current, [selectedPreset.title]: mainSpec }));
    setPlatformDialogOpen(false);
    setTypeDialogOpen(false);
    setSizeDialogOpen(false);
  };

  return (
    <section
      className={`product-clone-page page-motion size-template-workbench${isSettingsCollapsed ? " is-settings-collapsed" : ""}`}
      data-tool="clone"
      aria-label="尺寸模板"
    >
      <div className="product-clone-shell">
        <aside
          id="size-template-settings-panel"
          className="product-clone-panel"
          aria-label="尺寸模板参数"
          aria-hidden={isSettingsCollapsed ? true : undefined}
        >
          <div className="product-clone-panel__scroll clone-ai-panel size-template-settings-panel">
            <section className="clone-ai-card size-template-upload-card">
              <h2>
                <CloudUploadOutlined />
                上传商品原图
              </h2>
              <div
                role="button"
                tabIndex={0}
                className={`clone-ai-upload-zone size-template-upload-zone${isUploadDragging ? " is-dragging" : ""}`}
                onClick={() => uploadInputRef.current?.click()}
                onKeyDown={(event) => {
                  if (event.target !== event.currentTarget) return;
                  if (event.key === "Enter" || event.key === " ") {
                    event.preventDefault();
                    uploadInputRef.current?.click();
                  }
                }}
                onDragEnter={(event) => {
                  event.preventDefault();
                  setIsUploadDragging(true);
                }}
                onDragOver={(event) => event.preventDefault()}
                onDragLeave={() => setIsUploadDragging(false)}
                onDrop={handleUploadDrop}
              >
                <div className="clone-ai-upload-main">
                  <span className="clone-ai-upload-icon">
                    <FileImageOutlined />
                  </span>
                  <span className="clone-ai-upload-title">拖拽或点击上传</span>
                  <strong>
                    <span aria-hidden="true">+</span>
                    上传图片
                  </strong>
                  <span className="clone-ai-upload-hint">同一产品，最多 7 张</span>
                </div>
                {uploadedImages.length ? (
                  <div className="clone-ai-uploaded-files size-template-uploaded-files" aria-label="已上传商品原图">
                    {uploadedImages.map((item) => (
                      <figure key={item.id} className="clone-ai-uploaded-file">
                        <img src={item.src} alt={item.name} />
                        <span className="uploaded-image-zoom" aria-hidden="true">
                          <img src={item.src} alt="" />
                        </span>
                        <button
                          type="button"
                          aria-label={`移除 ${item.name}`}
                          onClick={(event) => {
                            event.stopPropagation();
                            removeUploadedImage(item.id);
                          }}
                        >
                          <CloseOutlined />
                        </button>
                      </figure>
                    ))}
                  </div>
                ) : null}
              </div>
              <input ref={uploadInputRef} type="file" accept="image/*" multiple onChange={handleUploadChange} />
            </section>

            <section className="clone-ai-card size-template-generate-card">
              <h2>
                <SettingOutlined />
                生成设置
              </h2>
              <div className="clone-ai-settings-section">
                <span className="clone-ai-settings-label">生成内容</span>
                <div className="clone-ai-tag-group size-template-category-grid" role="tablist" aria-label="尺寸模板分类">
                  {sizeTemplateGroups.map((group) => (
                    <button
                      key={group.key}
                      type="button"
                      role="tab"
                      aria-selected={activeGroup === group.key}
                      className={activeGroup === group.key ? "is-active" : ""}
                      onClick={() => selectGroup(group.key)}
                    >
                      {group.label}
                    </button>
                  ))}
                </div>
              </div>

              <div className="clone-ai-settings-section">
                <span className="clone-ai-settings-label">基础信息</span>
                <div className="clone-ai-select-group">
                  {[
                    { key: "platform", label: "平台", value: selectedPlatformLabel },
                    { key: "type", label: "类型", value: typeOptions.length > 0 ? selectedTypeLabel : selectedPreset.title },
                    { key: "size", label: "尺寸", value: selectedMainSpec },
                    { key: "ratio", label: "比例", value: selectedRatio },
                  ].map((item) => {
                    const isPlatformSelect = platformOptions.length > 0 && item.key === "platform";
                    const isTypeSelect = typeOptions.length > 0 && item.key === "type";
                    const isSizeSelect = sizeOptions.length > 0 && item.key === "size";
                    const isClickable = isPlatformSelect || isTypeSelect || isSizeSelect;
                    return (
                      <div
                        key={item.label}
                        className={`clone-ai-basic-select size-template-static-field${isClickable ? " is-clickable" : ""}`}
                      >
                        <button
                          type="button"
                          aria-expanded={
                            isClickable
                              ? isPlatformSelect
                                ? platformDialogOpen
                                : isTypeSelect
                                  ? typeDialogOpen
                                  : sizeDialogOpen
                              : undefined
                          }
                          aria-haspopup={isClickable ? "dialog" : undefined}
                          onClick={
                            isPlatformSelect
                              ? () => {
                                  setTypeDialogOpen(false);
                                  setSizeDialogOpen(false);
                                  setPlatformDialogOpen((current) => !current);
                                }
                              : isTypeSelect
                                ? () => {
                                    setPlatformDialogOpen(false);
                                    setSizeDialogOpen(false);
                                    setTypeDialogOpen((current) => !current);
                                  }
                                : isSizeSelect
                                  ? () => {
                                      setPlatformDialogOpen(false);
                                      setTypeDialogOpen(false);
                                      setSizeDialogOpen((current) => !current);
                                    }
                                  : undefined
                          }
                        >
                          <span>{item.label}</span>
                          <strong>{item.value}</strong>
                          <i aria-hidden="true" />
                        </button>
                        {isPlatformSelect && platformDialogOpen ? (
                          <div className="size-template-platform-dialog" role="dialog" aria-label="选择平台">
                            {platformOptions.map((option) => (
                              <button
                                key={option.category}
                                type="button"
                                className={selectedPreset.category === option.category ? "is-active" : ""}
                                onClick={() => selectPlatform(option.category)}
                              >
                                {option.label}
                              </button>
                            ))}
                          </div>
                        ) : null}
                        {isTypeSelect && typeDialogOpen ? (
                          <div className="size-template-platform-dialog" role="dialog" aria-label="选择类型">
                            {typeOptions.map((option) => (
                              <button
                                key={option.title}
                                type="button"
                                className={selectedPreset.title === option.title ? "is-active" : ""}
                                onClick={() => selectType(option.title)}
                              >
                                {option.label}
                              </button>
                            ))}
                          </div>
                        ) : null}
                        {isSizeSelect && sizeDialogOpen ? (
                          <div className="size-template-platform-dialog" role="dialog" aria-label="选择尺寸">
                            {sizeOptions.map((option) => (
                              <button
                                key={option.mainSpec}
                                type="button"
                                className={selectedMainSpec === option.mainSpec ? "is-active" : ""}
                                onClick={() => selectSizeOption(option.mainSpec)}
                              >
                                {option.label}
                              </button>
                            ))}
                          </div>
                        ) : null}
                      </div>
                    );
                  })}
                </div>
              </div>
            </section>

            <section className="clone-ai-model-panel size-template-option-panel" aria-label="平台尺寸设置">
              <div className="clone-ai-model-tabs" role="tablist" aria-label="尺寸模板设置类型">
                <button
                  type="button"
                  className={activePanelTab === "preset" ? "is-active" : ""}
                  aria-selected={activePanelTab === "preset"}
                  onClick={() => setActivePanelTab("preset")}
                >
                  平台尺寸
                </button>
                <button
                  type="button"
                  className={activePanelTab === "detail" ? "is-active" : ""}
                  aria-selected={activePanelTab === "detail"}
                  onClick={() => setActivePanelTab("detail")}
                >
                  补充规格
                </button>
              </div>
              <div className="clone-ai-model-scroll">
                {activePanelTab === "preset" ? (
                  <div className="clone-ai-model-scene-grid size-template-option-grid">
                    {filteredTemplates.map((item) => (
                      <button
                        key={item.title}
                        type="button"
                        className={selectedPreset.title === item.title ? "is-active" : ""}
                        aria-pressed={selectedPreset.title === item.title}
                        onClick={() => {
                          setActivePresetTitle(item.title);
                          setPlatformDialogOpen(false);
                          setTypeDialogOpen(false);
                          setSizeDialogOpen(false);
                        }}
                      >
                        <span aria-hidden="true" />
                        {item.title}
                      </button>
                    ))}
                  </div>
                ) : (
                  <div className="clone-ai-model-scene-grid size-template-option-grid">
                    {selectedPreset.details.map((item) => (
                      <button key={item} type="button" className="is-active">
                        <span aria-hidden="true" />
                        {item}
                      </button>
                    ))}
                  </div>
                )}
              </div>
            </section>

            <button type="button" className="clone-ai-generate size-template-submit" onClick={onOpenEcommerce}>
              ✦ 开始生成
            </button>
          </div>
        </aside>

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

        <main className="product-clone-preview clone-ai-preview size-template-preview" aria-label="尺寸模板预览">
          <header className="clone-ai-preview-header size-template-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>
          </header>

          <section className={`clone-ai-empty-state size-template-empty-state${primaryUploadedImage ? " has-upload" : ""}`} aria-live="polite">
            {primaryUploadedImage ? (
              <img className="size-template-empty-state__image" src={primaryUploadedImage.src} alt={primaryUploadedImage.name} />
            ) : (
              <FileImageOutlined />
            )}
            <strong>{primaryUploadedImage ? "已添加参考图" : "等待生成"}</strong>
            <span>{primaryUploadedImage ? `已上传 ${uploadedImages.length}/7 张，开始生成后将套用当前尺寸。` : "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>

          <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="补充尺寸用途，例如平台、商品类型、是否需要留白或安全区"
              />
              {requirementImageMentionQuery !== null && sizeTemplateMentionImages.length ? (
                <ImageMentionMenu images={sizeTemplateMentionImages} query={requirementImageMentionQuery} onSelect={insertRequirementImageMention} />
              ) : null}
              <button type="button" className="clone-ai-send-button" onClick={onOpenEcommerce} aria-label="应用到电商生成">
                ↑
              </button>
            </div>
            <span className="clone-ai-char-count">{requirement.length}/500</span>
          </section>
        </main>
      </div>
    </section>
  );
}

export default SizeTemplatePage;