import * as React from "react"
import {
  ArrowLeft,
  Eye,
  Pencil,
  RotateCcw,
  Search,
  Send,
  ShieldCheck,
  Trash2,
  XCircle,
} from "lucide-react"

import type { RoleView, WorkflowConfig } from "@/App"
import { Badge } from "@/components/ui/badge"
import { Button } from "@/components/ui/button"
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card"
import { Input } from "@/components/ui/input"
import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@/components/ui/table"

type WorkflowStatus = "draft" | "prepublished" | "published"

type TopicSection = {
  id: string
  title: string
  imageUrl: string
  specLeftLabel: string
  specRightLabel: string
}

type SourceSnapshot = {
  title: string
  subtitle: string
  highlights: string
  description: string
  ctaText: string
  imageUrls: string[]
  topicNavTitle?: string
  topicHeroTitle?: string
  topicSections?: TopicSection[]
}

type MiniAppContent = {
  id: string
  sourceCarId: string
  sourceCarName: string
  pageType: "车型页" | "活动页" | "专题页"
  title: string
  subtitle: string
  highlights: string
  description: string
  ctaText: string
  scheduledPublishAt: string
  imageUrls: string[]
  topicNavTitle?: string
  topicHeroTitle?: string
  topicSections?: TopicSection[]
  workflowStatus: WorkflowStatus
  updatedBy: string
  updatedAt: string
}

type MiniAppContentLibraryProps = {
  roleView: RoleView
  workflowConfig: WorkflowConfig
  onAddAuditLog: (message: string) => void
  newContentRequest?: {
    sourceCarId: string
    sourceCarName: string
    requestId: string
  } | null
}

const CONTENTS: MiniAppContent[] = [
  {
    id: "c1",
    sourceCarId: "a3",
    sourceCarName: "Audi A3 Sportback",
    pageType: "车型页",
    title: "Audi A3 Sportback",
    subtitle: "进取，不负期待",
    highlights: "数字座舱\n城市通勤\n智能互联",
    description: "适合城市用户的豪华紧凑车型，兼顾效率与智能体验。",
    ctaText: "立即预约试驾",
    scheduledPublishAt: "",
    imageUrls: [
      "/images/cars/a3-1.jpg",
      "/images/cars/a3-2.jpg",
    ],
    workflowStatus: "published",
    updatedBy: "内容运营专员",
    updatedAt: "2026-04-11 10:02",
  },
  {
    id: "c2",
    sourceCarId: "a4l",
    sourceCarName: "Audi A4L",
    pageType: "活动页",
    title: "Audi A4L 四月限时礼遇",
    subtitle: "豪华与性能平衡",
    highlights: "quattro\n商务舒适\n限时礼遇",
    description: "面向商务人群的主推内容版本，突出舒适与操控。",
    ctaText: "获取活动详情",
    scheduledPublishAt: "2026-04-14T10:00",
    imageUrls: [
      "/images/cars/a4-1.jpg",
    ],
    workflowStatus: "prepublished",
    updatedBy: "业务/市场负责人",
    updatedAt: "2026-04-11 09:48",
  },
  {
    id: "c3",
    sourceCarId: "a6l",
    sourceCarName: "Audi A6L",
    pageType: "车型页",
    title: "Audi A6L",
    subtitle: "懂你，更懂未来",
    highlights: "行政旗舰\n长轴空间\n智能辅助",
    description: "正在进行文案优化，待业务审核。",
    ctaText: "预约顾问回电",
    scheduledPublishAt: "",
    imageUrls: [
      "/images/cars/a6-1.jpg",
      "/images/cars/a6-2.jpg",
    ],
    workflowStatus: "prepublished",
    updatedBy: "内容运营专员",
    updatedAt: "2026-04-11 09:30",
  },
  {
    id: "c4",
    sourceCarId: "q3",
    sourceCarName: "Audi Q3",
    pageType: "专题页",
    title: "Audi Q3 城市灵动版",
    subtitle: "年轻进阶，灵动出行",
    highlights: "紧凑SUV\n智能互联\n都市通勤",
    description: "新建草稿，待进一步补充图文和活动权益信息。",
    ctaText: "预约试驾",
    scheduledPublishAt: "",
    imageUrls: [
      "/images/cars/q3-1.jpg",
    ],
    topicNavTitle: "Q3详情",
    topicHeroTitle: "先锋设计",
    topicSections: [
      {
        id: "q3-topic-1",
        title: "RS竞速套件",
        imageUrl: "/images/cars/q3-1.jpg",
        specLeftLabel: "长",
        specRightLabel: "宽",
      },
      {
        id: "q3-topic-2",
        title: "宽体低趴 超长轴距",
        imageUrl: "/images/cars/q3-2.jpg",
        specLeftLabel: "长",
        specRightLabel: "宽",
      },
    ],
    workflowStatus: "draft",
    updatedBy: "内容运营专员",
    updatedAt: "2026-04-11 08:40",
  },
  {
    id: "c5",
    sourceCarId: "q5l",
    sourceCarName: "Audi Q5L",
    pageType: "活动页",
    title: "Audi Q5L 周末试驾礼遇",
    subtitle: "自由，由我定义",
    highlights: "四驱性能\n家庭空间\n周末活动",
    description: "因权益文案与活动规则不一致，被驳回待修订。",
    ctaText: "了解礼遇",
    scheduledPublishAt: "",
    imageUrls: [
      "/images/cars/q5-1.jpg",
      "/images/cars/q5-2.jpg",
    ],
    workflowStatus: "draft",
    updatedBy: "业务/市场负责人",
    updatedAt: "2026-04-11 08:10",
  },
  {
    id: "c6",
    sourceCarId: "a8l",
    sourceCarName: "Audi A8L",
    pageType: "车型页",
    title: "Audi A8L 尊享礼宾版",
    subtitle: "旗舰格局，沉稳之选",
    highlights: "旗舰行政\n豪华座舱\n专属服务",
    description: "已发布后因活动档期调整撤回，待重新排期。",
    ctaText: "预约专属顾问",
    scheduledPublishAt: "2026-04-15T09:30",
    imageUrls: [
      "/images/cars/a8-1.jpg",
    ],
    workflowStatus: "published",
    updatedBy: "业务/市场负责人",
    updatedAt: "2026-04-11 07:55",
  },
  {
    id: "c7",
    sourceCarId: "rs7",
    sourceCarName: "Audi RS7",
    pageType: "专题页",
    title: "Audi RS7 Performance",
    subtitle: "高性能美学，锋芒尽释",
    highlights: "V8双涡轮\nquattro四驱\nRS专属运动套件",
    description: "聚焦高性能驾驶体验与豪华运动设计，适配高意向用户内容触达场景。",
    ctaText: "预约性能试驾",
    scheduledPublishAt: "",
    imageUrls: [
      "/images/cars/rs7-1.jpg",
      "/images/cars/rs7-2.jpg",
    ],
    workflowStatus: "draft",
    updatedBy: "内容运营专员",
    updatedAt: "2026-04-12 10:20",
  },
]

const WORKFLOW_LABEL: Record<WorkflowStatus, string> = {
  draft: "草稿",
  prepublished: "预发布",
  published: "已发布",
}

const SOURCE_SNAPSHOTS: Record<string, SourceSnapshot> = {
  a3: {
    title: "Audi A3 Sportback",
    subtitle: "进取，不负期待",
    highlights: "数字座舱\n城市通勤\n智能互联",
    description: "来自官网车型库的车型基线内容。",
    ctaText: "立即预约试驾",
    imageUrls: [
      "/images/cars/a3-1.jpg",
      "/images/cars/a3-2.jpg",
    ],
  },
  a4l: {
    title: "Audi A4L",
    subtitle: "做更强大的自己",
    highlights: "quattro\n商务舒适\n智能互联",
    description: "来自官网车型库的车型基线内容。",
    ctaText: "了解更多",
    imageUrls: [
      "/images/cars/a4-1.jpg",
    ],
  },
  a6l: {
    title: "Audi A6L",
    subtitle: "懂你，更懂未来",
    highlights: "行政旗舰\n长轴空间\n智能辅助",
    description: "来自官网车型库的车型基线内容。",
    ctaText: "预约顾问回电",
    imageUrls: [
      "/images/cars/a6-1.jpg",
      "/images/cars/a6-2.jpg",
    ],
  },
  q3: {
    title: "Audi Q3",
    subtitle: "活出生命的辽阔",
    highlights: "紧凑SUV\n智能互联\n都市通勤",
    description: "来自官网车型库的车型基线内容。",
    ctaText: "立即预约试驾",
    imageUrls: [
      "/images/cars/q3-1.jpg",
      "/images/cars/q3-2.jpg",
    ],
  },
  q5l: {
    title: "Audi Q5L",
    subtitle: "自由，由我定义",
    highlights: "四驱性能\n家庭空间\n全场景出行",
    description: "来自官网车型库的车型基线内容。",
    ctaText: "预约试驾",
    imageUrls: [
      "/images/cars/q5-1.jpg",
      "/images/cars/q5-2.jpg",
    ],
  },
  a8l: {
    title: "Audi A8L",
    subtitle: "旗舰格局，沉稳之选",
    highlights: "旗舰行政\n豪华座舱\n专属服务",
    description: "来自官网车型库的车型基线内容。",
    ctaText: "预约专属顾问",
    imageUrls: [
      "/images/cars/a8-1.jpg",
      "/images/cars/a8-2.jpg",
    ],
  },
  rs7: {
    title: "Audi RS7 Performance",
    subtitle: "高性能美学，锋芒尽释",
    highlights: "V8双涡轮\nquattro四驱\nRS专属运动套件",
    description: "来自官网车型库的车型基线内容。",
    ctaText: "预约性能试驾",
    imageUrls: [
      "/images/cars/rs7-1.jpg",
      "/images/cars/rs7-2.jpg",
    ],
  },
}

const SOURCE_CAR_OPTIONS = [
  { id: "a3", name: "Audi A3 Sportback" },
  { id: "a4l", name: "Audi A4L" },
  { id: "a6l", name: "Audi A6L" },
  { id: "q3", name: "Audi Q3" },
  { id: "q5l", name: "Audi Q5L" },
  { id: "a8l", name: "Audi A8L" },
  { id: "rs7", name: "Audi RS7" },
] as const

function createTopicSectionsFromImages(images: string[]) {
  const picks = images.slice(0, 2)
  const fallback = ["/images/cars/a7-1.jpg", "/images/cars/a7-2.jpg"]
  const selected = picks.length > 0 ? picks : fallback

  return selected.map((imageUrl, index) => ({
    id: `topic-section-${index + 1}`,
    title: index === 0 ? "RS竞速套件" : "宽体低趴 超长轴距",
    imageUrl,
    specLeftLabel: "长",
    specRightLabel: "宽",
  }))
}

function buildTopicPatch(sourceCarName: string, snapshot?: SourceSnapshot): Pick<MiniAppContent, "topicNavTitle" | "topicHeroTitle" | "topicSections"> {
  const hero = snapshot?.topicHeroTitle ?? snapshot?.subtitle ?? "先锋设计"
  return {
    topicNavTitle: snapshot?.topicNavTitle ?? `${sourceCarName || "车型"}详情`,
    topicHeroTitle: hero,
    topicSections: snapshot?.topicSections ?? createTopicSectionsFromImages(snapshot?.imageUrls ?? []),
  }
}

function workflowBadgeClass(status: WorkflowStatus) {
  switch (status) {
    case "draft":
      return "bg-gray-100 text-gray-700 border-gray-200"
    case "prepublished":
      return "bg-blue-50 text-blue-700 border-blue-200"
    case "published":
      return "bg-emerald-50 text-emerald-700 border-emerald-200"
  }
}

function nowString() {
  return new Date().toLocaleString("zh-CN", { hour12: false })
}

export function MiniAppContentLibrary({ roleView, workflowConfig, onAddAuditLog, newContentRequest }: MiniAppContentLibraryProps) {
  const [contents, setContents] = React.useState<MiniAppContent[]>(CONTENTS)
  const [viewMode, setViewMode] = React.useState<"list" | "editor">("list")
  const [selectedId, setSelectedId] = React.useState<string>(CONTENTS[0].id)
  const [query, setQuery] = React.useState("")
  const [newImageUrl, setNewImageUrl] = React.useState("")
  const [pendingResetPatch, setPendingResetPatch] = React.useState<Record<string, Partial<MiniAppContent>>>({})
  const listPageSize = 7
  const listTotalPages = 10
  const listPage = 1

  React.useEffect(() => {
    if (!newContentRequest) return

    const id = `c${newContentRequest.requestId}`
    const existing = contents.find((item) => item.id === id)
    if (!existing) {
      const draft: MiniAppContent = {
        id,
        sourceCarId: newContentRequest.sourceCarId,
        sourceCarName: newContentRequest.sourceCarName,
        pageType: "车型页",
        title: newContentRequest.sourceCarName,
        subtitle: "",
        highlights: "",
        description: "",
        ctaText: "立即预约试驾",
        scheduledPublishAt: "",
        imageUrls: [],
        topicNavTitle: `${newContentRequest.sourceCarName}详情`,
        topicHeroTitle: "先锋设计",
        topicSections: createTopicSectionsFromImages([]),
        workflowStatus: "draft",
        updatedBy: "内容运营专员",
        updatedAt: nowString(),
      }
      setContents((prev) => [draft, ...prev])
    }

    setSelectedId(id)
    setViewMode("editor")
  }, [newContentRequest?.requestId])

  const canEdit = roleView === "content-ops"
  const canApprove = roleView === "biz-market"
  const selected = contents.find((item) => item.id === selectedId) ?? null
  const filteredContents = contents.filter((item) => {
    const key = `${item.sourceCarName} ${item.sourceCarId} ${item.pageType} ${item.title}`.toLowerCase()
    return key.includes(query.toLowerCase())
  })
  const pagedContents = filteredContents.slice((listPage - 1) * listPageSize, listPage * listPageSize)

  const updateContent = (id: string, patch: Partial<MiniAppContent>) => {
    setContents((prev) =>
      prev.map((item) => (item.id === id ? { ...item, ...patch, updatedAt: nowString() } : item))
    )
  }

  const saveDraft = (item: MiniAppContent) => {
    const stagedPatch = pendingResetPatch[item.id] ?? {}
    updateContent(item.id, { ...stagedPatch, workflowStatus: "draft", updatedBy: "内容运营专员" })
    setPendingResetPatch((prev) => {
      if (!prev[item.id]) return prev
      const next = { ...prev }
      delete next[item.id]
      return next
    })
    if (Object.keys(stagedPatch).length > 0) {
      onAddAuditLog(`内容运营专员保存并重置 ${item.sourceCarName} 到官网源数据（回草稿）`)
    } else {
      onAddAuditLog(`内容运营专员保存 ${item.sourceCarName} 内容草稿`)
    }
  }

  const stageResetFromSource = (item: MiniAppContent) => {
    const source = SOURCE_SNAPSHOTS[item.sourceCarId]
    if (!source) return
    setPendingResetPatch((prev) => ({
      ...prev,
      [item.id]: {
        title: source.title,
        subtitle: source.subtitle,
        highlights: source.highlights,
        description: source.description,
        ctaText: item.pageType === "专题页" ? "预约体验" : source.ctaText,
        imageUrls: item.pageType === "专题页" ? [] : source.imageUrls,
        ...buildTopicPatch(item.sourceCarName, source),
      },
    }))
    onAddAuditLog(`内容运营专员发起 ${item.sourceCarName} 源数据重置（待保存生效）`)
  }

  const submitForReview = (item: MiniAppContent) => {
    updateContent(item.id, { workflowStatus: "prepublished", updatedBy: "内容运营专员" })
    onAddAuditLog(`内容运营专员提交 ${item.sourceCarName} 进入预发布待审`)
  }

  const approve = (item: MiniAppContent) => {
    updateContent(item.id, { workflowStatus: "published", updatedBy: "业务/市场负责人" })
    onAddAuditLog(`业务/市场负责人通过 ${item.sourceCarName}，状态变为已发布`)
  }

  const reject = (item: MiniAppContent) => {
    updateContent(item.id, { workflowStatus: "draft", updatedBy: "业务/市场负责人" })
    onAddAuditLog(`业务/市场负责人驳回 ${item.sourceCarName}，状态退回草稿`)
  }

  const createNewVersion = (item: MiniAppContent) => {
    updateContent(item.id, { workflowStatus: "draft", updatedBy: "内容运营专员" })
    onAddAuditLog(`内容运营专员基于 ${item.sourceCarName} 发布版本创建新稿`)
  }

  const createNewContent = () => {
    const id = `c${Date.now()}`
    const draft: MiniAppContent = {
      id,
      sourceCarId: "",
      sourceCarName: "",
      pageType: "车型页",
      title: "",
      subtitle: "",
      highlights: "",
      description: "",
      ctaText: "立即预约试驾",
      scheduledPublishAt: "",
      imageUrls: [],
      topicNavTitle: "车型详情",
      topicHeroTitle: "先锋设计",
      topicSections: createTopicSectionsFromImages([]),
      workflowStatus: "draft",
      updatedBy: "内容运营专员",
      updatedAt: nowString(),
    }
    setContents((prev) => [draft, ...prev])
    setSelectedId(id)
    setViewMode("editor")
    onAddAuditLog("内容运营专员新增小程序内容草稿")
  }

  const deleteContent = (item: MiniAppContent) => {
    if (!window.confirm(`确认删除 ${item.sourceCarName || "当前草稿"} 吗？`)) return

    setContents((prev) => {
      const next = prev.filter((content) => content.id !== item.id)
      if (next.length > 0) {
        setSelectedId(next[0].id)
      }
      return next
    })
    setViewMode("list")
    onAddAuditLog(`内容运营专员删除 ${item.sourceCarName || "未命名"} 内容草稿`)
  }

  const addImage = (item: MiniAppContent) => {
    const next = newImageUrl.trim()
    if (!next) return
    updateContent(item.id, { imageUrls: [...item.imageUrls, next] })
    setNewImageUrl("")
  }

  const removeImage = (item: MiniAppContent, idx: number) => {
    updateContent(item.id, { imageUrls: item.imageUrls.filter((_, i) => i !== idx) })
  }

  const updateTopicSection = (item: MiniAppContent, sectionId: string, patch: Partial<TopicSection>) => {
    const sections = item.topicSections ?? []
    updateContent(item.id, {
      topicSections: sections.map((section) => (section.id === sectionId ? { ...section, ...patch } : section)),
    })
  }

  const addTopicSection = (item: MiniAppContent) => {
    const sections = item.topicSections ?? []
    if (sections.length >= 6) return
    updateContent(item.id, {
      topicSections: [
        ...sections,
        {
          id: `${item.id}-topic-${Date.now()}`,
          title: `专题模块 ${sections.length + 1}`,
          imageUrl: item.imageUrls[0] ?? "",
          specLeftLabel: "长",
          specRightLabel: "宽",
        },
      ],
    })
  }

  const removeTopicSection = (item: MiniAppContent, sectionId: string) => {
    const sections = item.topicSections ?? []
    if (sections.length <= 1) return
    updateContent(item.id, {
      topicSections: sections.filter((section) => section.id !== sectionId),
    })
  }

  const renderActions = (item: MiniAppContent) => {
    const actions: React.ReactNode[] = []

    if (canEdit) {
      if (item.workflowStatus === "draft") {
        actions.push(
          <Button key="submit" size="sm" variant="outline" onClick={() => submitForReview(item)}>
            <Send className="mr-1 h-3.5 w-3.5" />提交审核
          </Button>
        )
      }
      if (item.workflowStatus === "published") {
        actions.push(
          <Button key="new-version" size="sm" variant="outline" onClick={() => createNewVersion(item)}>
            <Pencil className="mr-1 h-3.5 w-3.5" />新建版本
          </Button>
        )
      }
    }

    if (canApprove) {
      if (item.workflowStatus === "prepublished") {
        actions.push(
          <Button key="approve" size="sm" variant="outline" onClick={() => approve(item)}>
            <ShieldCheck className="mr-1 h-3.5 w-3.5" />通过
          </Button>
        )
        actions.push(
          <Button key="reject" size="sm" variant="outline" onClick={() => reject(item)}>
            <XCircle className="mr-1 h-3.5 w-3.5" />驳回
          </Button>
        )
      }
    }

    if (!canApprove) {
      actions.push(
        <Button key="detail" size="sm" variant="ghost" onClick={() => { setSelectedId(item.id); setViewMode("editor") }}>
          <Eye className="mr-1 h-3.5 w-3.5" />详情
        </Button>
      )
    }

    return actions
  }

  if (viewMode === "editor" && selected) {
    const isNewContent = !selected.sourceCarId
    const canResetFromSource = Boolean(selected.sourceCarId && SOURCE_SNAPSHOTS[selected.sourceCarId])
    const isTopicPage = selected.pageType === "专题页"
    const topicSections = (selected.topicSections && selected.topicSections.length > 0)
      ? selected.topicSections
      : createTopicSectionsFromImages(selected.imageUrls)
    const previewHeroImage = selected.imageUrls[0]
    const highlights = selected.highlights
      .split("\n")
      .map((s) => s.trim())
      .filter(Boolean)

    return (
      <div className="flex flex-col gap-6 p-8">
        <div className="flex items-center justify-between">
          <div className="flex items-center gap-3">
            <Button variant="outline" size="sm" onClick={() => setViewMode("list")}>
              <ArrowLeft className="mr-1 h-3.5 w-3.5" />返回列表
            </Button>
            <div>
              <h1 className="text-3xl font-bold tracking-tight">小程序内容编辑</h1>
              <p className="text-muted-foreground">独立编辑页：左侧字段编辑，右侧手机窗口预览。</p>
            </div>
          </div>
          <Badge variant="outline" className={workflowBadgeClass(selected.workflowStatus)}>
            当前状态：{WORKFLOW_LABEL[selected.workflowStatus]}
          </Badge>
        </div>

        <div className="grid gap-6 xl:grid-cols-2">
          <Card className="border-none shadow-sm bg-white">
            <CardHeader>
              <CardTitle className="text-lg font-bold">编辑字段</CardTitle>
              <CardDescription>基于官网源车型生成的内容实体（MiniAppContent）。</CardDescription>
            </CardHeader>
            <CardContent className="space-y-4">
              <div className="grid gap-2">
                <label className="text-xs font-semibold tracking-wide text-muted-foreground uppercase">页面类型</label>
                {isNewContent && canEdit ? (
                  <select
                    className="h-10 rounded-lg border border-input bg-background px-3 text-sm"
                    value={selected.pageType}
                    onChange={(e) => {
                      const nextPageType = e.target.value as MiniAppContent["pageType"]
                      const snapshot = SOURCE_SNAPSHOTS[selected.sourceCarId]
                      const sourceName = selected.sourceCarName || "车型"
                      updateContent(selected.id, {
                        pageType: nextPageType,
                        ...(nextPageType === "专题页" ? {
                          ...buildTopicPatch(sourceName, snapshot),
                          imageUrls: [],
                          ctaText: "预约体验",
                        } : {}),
                      })
                    }}
                  >
                    <option value="车型页">车型页</option>
                    <option value="活动页">活动页</option>
                    <option value="专题页">专题页</option>
                  </select>
                ) : (
                  <Input value={selected.pageType} disabled />
                )}
              </div>

              <div className="grid gap-2">
                <label className="text-xs font-semibold tracking-wide text-muted-foreground uppercase">来源车型</label>
                {isNewContent && canEdit ? (
                  <select
                    className="h-10 rounded-lg border border-input bg-background px-3 text-sm"
                    value={selected.sourceCarId}
                    onChange={(e) => {
                      const nextId = e.target.value
                      const option = SOURCE_CAR_OPTIONS.find((item) => item.id === nextId)
                      const snapshot = SOURCE_SNAPSHOTS[nextId]
                      const sourceName = option?.name ?? ""
                      updateContent(selected.id, {
                        sourceCarId: nextId,
                        sourceCarName: sourceName,
                        title: snapshot?.title ?? selected.title,
                        subtitle: snapshot?.subtitle ?? selected.subtitle,
                        highlights: snapshot?.highlights ?? selected.highlights,
                        description: snapshot?.description ?? selected.description,
                        ctaText: selected.pageType === "专题页" ? "预约体验" : (snapshot?.ctaText ?? selected.ctaText),
                        imageUrls: selected.pageType === "专题页" ? [] : (snapshot?.imageUrls ?? selected.imageUrls),
                        ...buildTopicPatch(sourceName, snapshot),
                      })
                      if (snapshot) {
                        onAddAuditLog(`内容运营专员选择来源车型 ${option?.name ?? nextId} 并载入官网基线内容`)
                      }
                    }}
                  >
                    <option value="">请选择来源车型</option>
                    {SOURCE_CAR_OPTIONS.map((option) => (
                      <option key={option.id} value={option.id}>{option.name}</option>
                    ))}
                  </select>
                ) : (
                  <Input value={selected.sourceCarName} disabled />
                )}
              </div>

              {isTopicPage ? (
                <>
                  <div className="grid gap-2">
                    <label className="text-xs font-semibold tracking-wide text-muted-foreground uppercase">导航标题</label>
                    <Input
                      value={selected.topicNavTitle ?? `${selected.sourceCarName || "车型"}详情`}
                      disabled={!canEdit}
                      onChange={(e) => updateContent(selected.id, { topicNavTitle: e.target.value })}
                    />
                  </div>

                  <div className="grid gap-2">
                    <label className="text-xs font-semibold tracking-wide text-muted-foreground uppercase">主视觉标题</label>
                    <Input
                      value={selected.topicHeroTitle ?? "先锋设计"}
                      disabled={!canEdit}
                      onChange={(e) => updateContent(selected.id, { topicHeroTitle: e.target.value })}
                    />
                  </div>

                  <div className="grid gap-2">
                    <label className="text-xs font-semibold tracking-wide text-muted-foreground uppercase">底部按钮文案</label>
                    <Input value={selected.ctaText} disabled={!canEdit} onChange={(e) => updateContent(selected.id, { ctaText: e.target.value })} />
                  </div>

                  <div className="grid gap-3">
                    <div className="flex items-center justify-between">
                      <label className="text-xs font-semibold tracking-wide text-muted-foreground uppercase">专题模块（1-6）</label>
                      <Button size="sm" variant="outline" disabled={!canEdit || topicSections.length >= 6} onClick={() => addTopicSection(selected)}>
                        新增模块
                      </Button>
                    </div>
                    <div className="space-y-3">
                      {topicSections.map((section, index) => (
                        <div key={section.id} className="rounded-lg border p-3 space-y-2">
                          <div className="flex items-center justify-between">
                            <p className="text-xs font-semibold text-muted-foreground">模块 {index + 1}</p>
                            <Button size="sm" variant="ghost" disabled={!canEdit || topicSections.length <= 1} onClick={() => removeTopicSection(selected, section.id)}>
                              删除
                            </Button>
                          </div>
                          <Input
                            value={section.title}
                            disabled={!canEdit}
                            onChange={(e) => updateTopicSection(selected, section.id, { title: e.target.value })}
                            placeholder="模块标题"
                          />
                          <Input
                            value={section.imageUrl}
                            disabled={!canEdit}
                            onChange={(e) => updateTopicSection(selected, section.id, { imageUrl: e.target.value })}
                            placeholder="模块图片 URL"
                          />
                        </div>
                      ))}
                    </div>
                  </div>
                </>
              ) : (
                <>
                  <div className="grid gap-2">
                    <label className="text-xs font-semibold tracking-wide text-muted-foreground uppercase">标题</label>
                    <Input value={selected.title} disabled={!canEdit} onChange={(e) => updateContent(selected.id, { title: e.target.value })} />
                  </div>

                  <div className="grid gap-2">
                    <label className="text-xs font-semibold tracking-wide text-muted-foreground uppercase">副标题</label>
                    <Input value={selected.subtitle} disabled={!canEdit} onChange={(e) => updateContent(selected.id, { subtitle: e.target.value })} />
                  </div>

                  <div className="grid gap-2">
                    <label className="text-xs font-semibold tracking-wide text-muted-foreground uppercase">卖点（每行一条）</label>
                    <textarea
                      className="min-h-24 rounded-lg border border-input bg-background px-3 py-2 text-sm outline-none focus-visible:border-ring"
                      value={selected.highlights}
                      disabled={!canEdit}
                      onChange={(e) => updateContent(selected.id, { highlights: e.target.value })}
                    />
                  </div>

                  <div className="grid gap-2">
                    <label className="text-xs font-semibold tracking-wide text-muted-foreground uppercase">图文描述（轻量编排）</label>
                    <textarea
                      className="min-h-28 rounded-lg border border-input bg-background px-3 py-2 text-sm outline-none focus-visible:border-ring"
                      value={selected.description}
                      disabled={!canEdit}
                      onChange={(e) => updateContent(selected.id, { description: e.target.value })}
                    />
                  </div>

                  <div className="grid gap-2">
                    <label className="text-xs font-semibold tracking-wide text-muted-foreground uppercase">按钮文案</label>
                    <Input value={selected.ctaText} disabled={!canEdit} onChange={(e) => updateContent(selected.id, { ctaText: e.target.value })} />
                  </div>
                </>
              )}

              {!isTopicPage && workflowConfig.publishStrategy === "scheduled" && (
                <div className="grid gap-2">
                  <label className="text-xs font-semibold tracking-wide text-muted-foreground uppercase">预约发布时间</label>
                  <Input
                    type="datetime-local"
                    disabled={!canEdit}
                    value={selected.scheduledPublishAt}
                    onChange={(e) => updateContent(selected.id, { scheduledPublishAt: e.target.value })}
                  />
                </div>
              )}

              {!isTopicPage && (
                <div className="grid gap-2">
                  <label className="text-xs font-semibold tracking-wide text-muted-foreground uppercase">图片素材（多图）</label>
                  <div className="flex gap-2">
                    <Input value={newImageUrl} disabled={!canEdit} onChange={(e) => setNewImageUrl(e.target.value)} placeholder="粘贴图片 URL" />
                    <Button variant="outline" disabled={!canEdit} onClick={() => addImage(selected)}>新增</Button>
                  </div>
                  <div className="grid grid-cols-2 gap-2">
                    {selected.imageUrls.map((url, idx) => (
                      <div key={`${url}-${idx}`} className="rounded-lg border p-2">
                        <img src={url} alt={`${selected.sourceCarName}-${idx}`} className="aspect-video w-full rounded object-cover" />
                        <div className="mt-2 flex justify-end">
                          <Button size="sm" variant="ghost" disabled={!canEdit} onClick={() => removeImage(selected, idx)}>
                            删除
                          </Button>
                        </div>
                      </div>
                    ))}
                  </div>
                </div>
              )}

              {pendingResetPatch[selected.id] && (
                <div className="rounded-lg border border-amber-200 bg-amber-50 px-3 py-2 text-xs text-amber-700">
                  已暂存“重置为官网源数据”，请点击“保存草稿”生效并回到草稿状态。
                </div>
              )}

              <div className="flex items-center justify-between gap-3 pt-2">
                <div className="flex gap-2">
                  <Button variant="outline" disabled={!canEdit} onClick={() => saveDraft(selected)}>
                    <Pencil className="mr-1 h-3.5 w-3.5" />保存草稿
                  </Button>
                  <Button disabled={!canEdit || selected.workflowStatus !== "draft"} onClick={() => submitForReview(selected)}>
                    <Send className="mr-1 h-3.5 w-3.5" />提交审核
                  </Button>
                </div>
                <div className="flex gap-2">
                  <Button variant="outline" disabled={!canEdit || !canResetFromSource} onClick={() => stageResetFromSource(selected)}>
                    <RotateCcw className="mr-1 h-3.5 w-3.5" />重置
                  </Button>
                  <Button variant="outline" disabled={!canEdit} onClick={() => deleteContent(selected)}>
                    <Trash2 className="mr-1 h-3.5 w-3.5" />删除
                  </Button>
                </div>
              </div>
            </CardContent>
          </Card>

          <Card className="border-none shadow-sm bg-white">
            <CardHeader>
              <CardTitle className="text-lg font-bold">小程序预览（手机窗口）</CardTitle>
              <CardDescription>
                {isTopicPage
                  ? "专题页预览：按来源车型模板自动同步，可对模块图文做手工编辑。"
                  : "按钮上方展示预约试驾表单视觉区（仅演示，不提交；真实留资将直接进入企业 CRM）。"}
              </CardDescription>
            </CardHeader>
            <CardContent className="flex justify-center">
              {isTopicPage ? (
                <div className="min-h-screen w-[360px] bg-white text-[#1a1a1a] flex flex-col relative overflow-hidden shadow-2xl rounded-[28px] border border-gray-200">
                  <div className="px-8 pt-4 pb-2 flex justify-between items-center text-sm font-semibold">
                    <span>9:41</span>
                    <div className="flex items-center gap-1.5">
                      <span className="h-2.5 w-2.5 rotate-45 border border-current inline-block" />
                      <span className="h-2.5 w-2.5 rotate-45 border border-current inline-block" />
                      <div className="w-6 h-3 border border-current rounded-sm relative">
                        <div className="absolute inset-0.5 bg-current rounded-[2px] w-3" />
                      </div>
                    </div>
                  </div>

                  <header className="px-4 py-2 flex items-center justify-between sticky top-0 bg-white z-10">
                    <button className="p-2 rounded-full">
                      <ArrowLeft className="w-5 h-5" />
                    </button>
                    <h1 className="text-[17px] font-medium">{selected.topicNavTitle || `${selected.sourceCarName || "车型"}详情`}</h1>
                    <div className="flex items-center bg-gray-50 border border-gray-200 rounded-full px-3 py-1.5 gap-3">
                      <span className="text-xs text-gray-500">···</span>
                      <div className="w-px h-4 bg-gray-300" />
                      <span className="text-xs text-gray-500">x</span>
                    </div>
                  </header>

                  <main className="flex-1 overflow-y-auto pb-32">
                    <section className="pt-8 pb-6 text-center">
                      <h2 className="text-[32px] font-bold tracking-tight mb-2">{selected.topicHeroTitle || "先锋设计"}</h2>
                      <div className="w-12 h-[3px] bg-[#d51c2a] mx-auto" />
                    </section>

                    <div className="space-y-4 px-0 max-h-[520px] overflow-y-auto">
                      {topicSections.map((section) => (
                        <section key={section.id} className="bg-[#f8f9fb] rounded-t-[32px] overflow-hidden">
                          <div className="aspect-[16/9] relative overflow-hidden">
                            {section.imageUrl ? (
                              <img
                                src={section.imageUrl}
                                alt={section.title}
                                className="w-full h-full object-cover mix-blend-multiply"
                              />
                            ) : (
                              <div className="w-full h-full flex items-center justify-center text-xs text-gray-500 bg-gray-100">请添加模块图片</div>
                            )}
                          </div>
                          <div className="px-6 py-2">
                            <h3 className="text-[22px] font-normal text-gray-700">{section.title}</h3>
                          </div>
                        </section>
                      ))}
                    </div>
                  </main>

                  <footer className="absolute bottom-0 left-0 right-0 bg-white/80 backdrop-blur-md px-4 pt-2 pb-8 border-t border-gray-100">
                    <button className="w-full bg-[#1c1f23] text-white py-4 rounded-md text-[16px] font-medium">
                      {selected.ctaText || "预约体验"}
                    </button>
                    <div className="mt-6 w-32 h-1.5 bg-black/80 mx-auto rounded-full" />
                  </footer>
                </div>
              ) : (
                <div className="w-[360px] rounded-[28px] border border-gray-200 bg-white shadow-2xl overflow-hidden">
                  <div className="h-9 bg-black text-white px-4 flex items-center text-[10px] tracking-[0.18em] uppercase">Audi</div>
                  <div className="relative">
                    {previewHeroImage ? (
                      <img src={previewHeroImage} alt={selected.title} className="h-48 w-full object-cover" />
                    ) : (
                      <div className="flex h-48 w-full items-center justify-center bg-gray-100 text-xs text-gray-500">请先添加图片素材</div>
                    )}
                    <div className="absolute inset-0 bg-gradient-to-t from-black/65 to-transparent" />
                    <div className="absolute left-4 right-4 bottom-3 text-white">
                      <p className="text-lg font-bold tracking-tight">{selected.title}</p>
                      <p className="text-xs opacity-85">{selected.subtitle}</p>
                    </div>
                  </div>

                  <div className="p-4">
                    <div className="mb-3 grid grid-cols-3 gap-2">
                      {selected.imageUrls.slice(0, 3).map((url, idx) => (
                        <img key={`${url}-${idx}`} src={url} alt={`thumb-${idx}`} className="h-16 w-full rounded object-cover" />
                      ))}
                    </div>

                    <div className="space-y-2">
                      {highlights.map((item) => (
                        <div key={item} className="inline-flex mr-2 mb-1 rounded-full border px-2 py-0.5 text-[10px] text-gray-600">
                          {item}
                        </div>
                      ))}
                    </div>

                    <p className="mt-3 text-sm leading-6 text-gray-600">{selected.description}</p>

                    {workflowConfig.publishStrategy === "scheduled" && selected.scheduledPublishAt && (
                      <div className="mt-3 rounded-md border border-blue-200 bg-blue-50 px-3 py-2 text-xs text-blue-700">
                        预约发布时间：{selected.scheduledPublishAt.replace("T", " ")}
                      </div>
                    )}

                    <div className="mt-4 space-y-3 rounded-lg border border-gray-200 bg-gray-50 p-3">
                      <div className="grid gap-1">
                        <label className="text-[10px] uppercase tracking-wider text-gray-500 font-semibold">姓名</label>
                        <Input placeholder="请输入您的姓名" disabled />
                      </div>
                      <div className="grid gap-1">
                        <label className="text-[10px] uppercase tracking-wider text-gray-500 font-semibold">手机号</label>
                        <Input placeholder="请输入手机号" disabled />
                      </div>
                      <div className="grid gap-1">
                        <label className="text-[10px] uppercase tracking-wider text-gray-500 font-semibold">意向城市</label>
                        <div className="flex gap-2">
                          <select className="h-8 flex-1 rounded-lg border border-input bg-white px-2 text-sm text-gray-500" disabled>
                            <option>请选择城市</option>
                          </select>
                          <Button
                            type="button"
                            size="sm"
                            variant="outline"
                            onClick={() => alert("获取位置功能为原型占位提示")}
                          >
                            获取位置
                          </Button>
                        </div>
                      </div>

                      <label className="flex items-start gap-2 text-[11px] leading-5 text-gray-600">
                        <input type="checkbox" className="mt-0.5" />
                        <span>
                          我已阅读并同意《个人信息保护政策》，授权奥迪及授权经销商与我联系。信息提交后将直接进入企业 CRM，本平台不留存潜客数据。
                        </span>
                      </label>
                    </div>

                    <Button className="mt-4 w-full bg-audi-black hover:bg-audi-dark-gray text-white" disabled>
                      {selected.ctaText || "立即预约试驾"}
                    </Button>
                  </div>
                </div>
              )}
            </CardContent>
          </Card>
        </div>
      </div>
    )
  }

  return (
    <div className="flex flex-col gap-6 p-8">
      <div className="flex items-center justify-between">
        <div className="flex flex-col gap-1">
          <h1 className="text-3xl font-bold tracking-tight">小程序内容库</h1>
          <p className="text-muted-foreground">集中管理内容模板与内容版本。</p>
        </div>
      </div>

      <Card className="border-none shadow-sm bg-white">
        <CardHeader>
          <div className="flex items-center justify-between">
            <div>
              <CardTitle className="text-lg font-bold">内容版本列表</CardTitle>
              <CardDescription>与官网素材巡检数据分离，避免人工周更任务和发布内容混用。</CardDescription>
            </div>
            <Button onClick={createNewContent} className="bg-audi-black hover:bg-audi-dark-gray text-white">
              <Pencil className="mr-1 h-3.5 w-3.5" />新增
            </Button>
          </div>
          <div className="flex items-center gap-2 w-full max-w-sm">
            <Search className="h-4 w-4 text-muted-foreground absolute ml-3" />
            <Input
              value={query}
              onChange={(e) => setQuery(e.target.value)}
              placeholder="搜索官网车型名称或待处理项..."
              className="pl-9 bg-gray-50/50 border-none"
            />
          </div>
        </CardHeader>
        <CardContent>
          <Table>
            <TableHeader>
              <TableRow className="hover:bg-transparent border-b border-gray-100">
                <TableHead className="font-bold text-audi-black">来源车型</TableHead>
                <TableHead className="font-bold text-audi-black">页面类型</TableHead>
                <TableHead className="font-bold text-audi-black">内容标题</TableHead>
                <TableHead className="font-bold text-audi-black">状态</TableHead>
                <TableHead className="font-bold text-audi-black">最近更新</TableHead>
                <TableHead className="text-right font-bold text-audi-black">操作</TableHead>
              </TableRow>
            </TableHeader>
            <TableBody>
              {pagedContents.map((item) => (
                <TableRow key={item.id} className="hover:bg-gray-50/50 border-b border-gray-50 transition-colors">
                  <TableCell>
                    <p className="font-medium">{item.sourceCarName}</p>
                    <p className="text-xs text-muted-foreground">{item.sourceCarId}</p>
                  </TableCell>
                  <TableCell>
                    <Badge variant="outline">{item.pageType}</Badge>
                  </TableCell>
                  <TableCell className="font-medium">{item.title}</TableCell>
                  <TableCell>
                    <Badge variant="outline" className={workflowBadgeClass(item.workflowStatus)}>
                      {WORKFLOW_LABEL[item.workflowStatus]}
                    </Badge>
                  </TableCell>
                  <TableCell className="text-xs text-muted-foreground">
                    <p>{item.updatedAt}</p>
                    <p>{item.updatedBy}</p>
                  </TableCell>
                  <TableCell className="text-right">
                    <div className="flex flex-wrap justify-end gap-2">{renderActions(item)}</div>
                  </TableCell>
                </TableRow>
              ))}
            </TableBody>
          </Table>

          <div className="mt-4 flex items-center justify-between border-t pt-4">
            <p className="text-xs text-muted-foreground">每页 7 条，共 10 页</p>
            <div className="flex items-center gap-1">
              <Button size="sm" variant="outline" disabled>上一页</Button>
              {Array.from({ length: listTotalPages }, (_, index) => (
                <Button
                  key={`mini-page-${index + 1}`}
                  size="sm"
                  variant={index + 1 === listPage ? "default" : "outline"}
                  className={index + 1 === listPage ? "bg-audi-black hover:bg-audi-dark-gray text-white" : ""}
                  disabled
                >
                  {index + 1}
                </Button>
              ))}
              <Button size="sm" variant="outline" disabled>下一页</Button>
            </div>
          </div>
        </CardContent>
      </Card>
    </div>
  )
}