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: '',
    // 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
      }

      // Banner 模块
      if (res.bannerModule?.items?.length) {
        data.bannerItems = res.bannerModule.items
        data.currentBannerImage = res.bannerModule.items[0].imageUrl
        this.startBannerRotation(res.bannerModule.items)
      }

      // 快捷入口模块
      if (res.quickEntryModule?.items?.length) {
        data.quickEntries = res.quickEntryModule.items
      }

      // 通知栏模块
      if (res.notificationModule?.data?.length) {
        data.notifications = res.notificationModule.data
      }

      // 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
      }

      // 推荐智能体模块
      if (res.recommendAgentModule?.data?.length) {
        data.recommendAgents = res.recommendAgentModule.data
      }

      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,
      })
    }, 3000)
  },

  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' })
  },

  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' })
    }
  },
})

export {}