const app = getApp<IAppOption>()

Page({
  data: {
    statusBarHeight: 44,
    activeTab: 0,
    // 首页聚合数据
    searchPlaceholder: '请搜索你想要的内容',
    notifications: [] as any[],
    quickEntries: [] as any[],
    hotActivities: [] as any[],
    recommendAgents: [] as any[],
    bannerItems: [] as any[],
    currentBannerIndex: 0,
    currentBannerImage: '',
    // 模块排序
    sortedModuleTypes: [] as string[],
    // 推荐活动分页数据
    latestActivities: [] as any[],
    activityPagination: {
      page: 1,
      pages: 1,
      count: 0,
    },
    activityLoading: false,
    // 智能体数据
    agentList: [] as any[],
  },

  bannerTimer: null as number | null,

  onLoad() {
    const sysInfo = wx.getSystemInfoSync()
    this.setData({ statusBarHeight: sysInfo.statusBarHeight || 44 })
    app.waitLogin().then(() => {
      this.fetchHomeData()
      this.fetchRecommendedActivities(1)
      // 智能体推荐列表暂不联调
      // this.fetchAgentList()
    })
  },

  onUnload() {
    if (this.bannerTimer) {
      clearInterval(this.bannerTimer)
      this.bannerTimer = null
    }
  },

  onReachBottom() {
    // 触底加载更多推荐活动
    if (this.data.activeTab === 0) {
      this.loadMoreActivities()
    }
  },

  fetchHomeData() {
    wx.ajax({
      url: '/home/index',
      method: 'GET',
    })
      .then((res: any) => {
        const data: any = {}

        // 搜索模块
        if (res.searchModule?.config?.placeholder) {
          data.searchPlaceholder = res.searchModule.config.placeholder
        }

        // 收集有数据的模块及其 sort 值，用于动态排序
        const moduleSorts: { type: string; sort: number }[] = []

        // Banner 模块
        if (res.bannerModule?.items?.length) {
          data.bannerItems = res.bannerModule.items
          data.currentBannerImage = res.bannerModule.items[0].imageUrl
          moduleSorts.push({ type: 'banner', sort: res.bannerModule.sort ?? 99 })
          this.startBannerRotation(res.bannerModule.items)
        }

        // 快捷入口模块
        if (res.quickEntryModule?.items?.length) {
          data.quickEntries = res.quickEntryModule.items
          moduleSorts.push({ type: 'quickEntry', sort: res.quickEntryModule.sort ?? 99 })
        }

        // 通知栏模块
        if (res.notificationModule?.data?.length) {
          data.notifications = res.notificationModule.data
          moduleSorts.push({ type: 'notification', sort: res.notificationModule.sort ?? 99 })
        }

        // 热门活动模块 - 处理mainImages JSON字符串解析
        if (res.hotActivityModule?.data?.length) {
          const hotActivities = res.hotActivityModule.data.map((item: any) => {
            let mainImages = item.mainImages
            // 如果mainImages是字符串，解析为数组
            if (typeof mainImages === 'string') {
              try {
                mainImages = JSON.parse(mainImages)
              } catch (e) {
                console.error('解析mainImages失败', e)
                mainImages = []
              }
            }
            return { ...item, mainImages }
          })
          data.hotActivities = hotActivities
          moduleSorts.push({ type: 'hotActivity', sort: res.hotActivityModule.sort ?? 99 })
        }

        // 推荐智能体模块
        if (res.recommendAgentModule?.data?.length) {
          data.recommendAgents = res.recommendAgentModule.data
          moduleSorts.push({ type: 'recommendAgent', sort: res.recommendAgentModule.sort ?? 99 })
        }

        // 按 sort 升序排列
        moduleSorts.sort((a, b) => a.sort - b.sort)
        data.sortedModuleTypes = moduleSorts.map((m) => m.type)

        this.setData(data)
      })
      .catch((err) => {
        console.error('获取首页数据失败', err)
      })
  },

  fetchRecommendedActivities(page: number) {
    if (this.data.activityLoading) return

    this.setData({ activityLoading: true })

    wx.ajax({
      url: '/activity/list',
      method: 'GET',
      data: { getRecommended: 1, page, pageSize: 10 },
    })
      .then((res: any) => {
        const list = res.list || []
        const pagination = res.pagination || {}

        // 处理mainImages JSON字符串解析
        const activities = list.map((item: any) => {
          let mainImages = item.mainImages
          if (typeof mainImages === 'string') {
            try {
              mainImages = JSON.parse(mainImages)
            } catch (e) {
              console.error('解析mainImages失败', e)
              mainImages = []
            }
          }
          return { ...item, mainImages }
        })

        // 如果是第一页，直接替换；否则追加
        const latestActivities = page === 1 ? activities : [...this.data.latestActivities, ...activities]

        this.setData({
          latestActivities,
          activityPagination: {
            page: pagination.page || page,
            pages: pagination.totalPages || 1,
            count: pagination.total || 0,
          },
          activityLoading: false,
        })
      })
      .catch((err) => {
        console.error('获取推荐活动失败', err)
        this.setData({ activityLoading: false })
      })
  },

  loadMoreActivities() {
    const { activityPagination, activityLoading } = this.data
    if (activityLoading || activityPagination.page >= activityPagination.pages) return

    this.fetchRecommendedActivities(activityPagination.page + 1)
  },

  fetchAgentList() {
    wx.ajax({
      url: '/agent/list',
      method: 'GET',
      data: { page: 1, pageSize: 10 },
    })
      .then((res: any) => {
        if (res.list?.length) {
          this.setData({ agentList: res.list })
        }
      })
      .catch((err) => {
        console.error('获取智能体列表失败', err)
      })
  },

  startBannerRotation(bannerItems: any[]) {
    if (bannerItems.length <= 1) return

    this.bannerTimer = setInterval(() => {
      const currentIndex = this.data.currentBannerIndex
      const nextIndex = (currentIndex + 1) % bannerItems.length
      this.setData({
        currentBannerIndex: nextIndex,
        currentBannerImage: bannerItems[nextIndex].imageUrl,
      })
    }, 6000)
  },

  onSearchTap() {
    wx.showToast({ title: '搜索功能开发中', icon: 'none' })
  },

  onNavTap(e: WechatMiniprogram.TouchEvent) {
    const type = e.currentTarget.dataset.type
    wx.showToast({ title: `${type}功能开发中`, icon: 'none' })
  },

  onAnnounceTap() {
    wx.showToast({ title: '公告详情开发中', icon: 'none' })
  },

  onMoreAgentsTap() {
    wx.showToast({ title: '更多智能体开发中', icon: 'none' })
  },
  handleKkd(e) {
    const { index } = e.currentTarget.dataset
    const { quickEntries } = this.data
    const { jumpType, jumpTarget } = quickEntries[index]
    this.handleJump(jumpType, jumpTarget)
  },

  handleBannerTap(e) {
    const { index } = e.currentTarget.dataset
    const { bannerItems } = this.data
    const { jumpType, jumpTarget } = bannerItems[index] || {}
    this.handleJump(jumpType, jumpTarget)
  },

  handleNotificationTap(e) {
    const { index } = e.currentTarget.dataset
    const { notifications } = this.data
    const idx = index ?? 0
    const { jumpType, jumpTarget } = notifications[idx] || {}
    if (!jumpType || jumpType === 0) return
    this.handleJump(jumpType, jumpTarget)
  },

  handleJump(jumpType: number | string, jumpTarget: string) {
    const jt = Number(jumpType)
    if (!jt || !jumpTarget) return
    switch (jt) {
      case 2:
        wx.navigateTo({ url: `/pages/actDetail/index?id=${jumpTarget}` })
        break
      case 3: {
        const tabPages = [
          '/pages/index/index',
          '/pages/act/index',
          '/pages/notice/index',
          '/pages/agent/index',
          '/pages/my/index',
        ]
        const isTab = tabPages.some((p) => jumpTarget.startsWith(p))
        if (isTab) {
          wx.switchTab({ url: jumpTarget })
        } else {
          wx.navigateTo({ url: jumpTarget })
        }
        break
      }
      case 4:
        wx.navigateTo({ url: `/pages/webview/index?url=${encodeURIComponent(jumpTarget)}` })
        break
      case 5:
        wx.navigateToMiniProgram({ appId: jumpTarget })
        break
      default:
        break
    }
  },

  onAgentTap(e: WechatMiniprogram.TouchEvent) {
    const id = e.currentTarget.dataset.id
    wx.navigateTo({ url: `/pages/agent/index?id=${id}` })
  },

  onActivityTap(e: WechatMiniprogram.TouchEvent) {
    const id = e.currentTarget.dataset.id
    wx.navigateTo({ url: `/pages/activity-detail/index?id=${id}` })
  },

  onTabTap(e: WechatMiniprogram.TouchEvent) {
    const index = e.currentTarget.dataset.index
    if (index === this.data.activeTab) return
    this.setData({ activeTab: index })
    if (index === 4) {
      wx.switchTab({ url: '/pages/my/index' })
    }
  },
  handleSearchTap() {
    wx.navigateTo({
      url: '/pages/search/index',
    })
  },
  handleActMore() {
    wx.switchTab({
      url: '/pages/act/index',
    })
  },
  handleAgentMore() {
    wx.switchTab({
      url: '/pages/agent/index',
    })
  },
})

export {}