/**
 * Soul创业派对 - 首页
 * 开发: 卡若
 * 技术支持: 存客宝
 */

console.log('[Index] ===== 首页文件开始加载 =====')

const app = getApp()

Page({
  data: {
    // 系统信息
    statusBarHeight: 44,
    navBarHeight: 88,
    
    // 用户信息
    isLoggedIn: false,
    hasFullBook: false,
    readCount: 0,
    
    // 书籍数据
    totalSections: 62,
    bookData: [],
    
    // 推荐章节
    featuredSections: [
      { id: '1.1', title: '荷包：电动车出租的被动收入模式', tag: '免费', tagClass: 'tag-free', part: '真实的人' },
      { id: '3.1', title: '3000万流水如何跑出来', tag: '热门', tagClass: 'tag-pink', part: '真实的行业' },
      { id: '8.1', title: '流量杠杆:抖音、Soul、飞书', tag: '推荐', tagClass: 'tag-purple', part: '真实的赚钱' }
    ],
    
    // 最新章节（动态计算）
    latestSection: null,
    latestLabel: '最新更新',
    
    // 内容概览
    partsList: [
      { id: 'part-1', number: '一', title: '真实的人', subtitle: '人与人之间的底层逻辑' },
      { id: 'part-2', number: '二', title: '真实的行业', subtitle: '电商、内容、传统行业解析' },
      { id: 'part-3', number: '三', title: '真实的错误', subtitle: '我和别人犯过的错' },
      { id: 'part-4', number: '四', title: '真实的赚钱', subtitle: '底层结构与真实案例' },
      { id: 'part-5', number: '五', title: '真实的社会', subtitle: '未来职业与商业生态' }
    ],
    
    // 超级个体（VIP会员）
    superMembers: [],
    superMembersLoading: true,

    // 最新新增章节
    latestChapters: [],
    
    // 篇章数（从 bookData 计算）
    partCount: 0,
    
    // 加载状态
    loading: true
  },

  onLoad(options) {
    console.log('[Index] ===== onLoad 触发 =====')
    
    // 获取系统信息
    this.setData({
      statusBarHeight: app.globalData.statusBarHeight,
      navBarHeight: app.globalData.navBarHeight
    })
    
    // 处理分享参数（推荐码绑定）
    if (options && options.ref) {
      console.log('[Index] 检测到推荐码:', options.ref)
      app.handleReferralCode({ query: options })
    }
    
    wx.showShareMenu({ withShareTimeline: true })
    this.initData()
  },

  onShow() {
    console.log('[Index] onShow 触发')
    
    // 设置TabBar选中状态
    if (typeof this.getTabBar === 'function' && this.getTabBar()) {
      const tabBar = this.getTabBar()
      console.log('[Index] TabBar 组件:', tabBar ? '已找到' : '未找到')
      
      // 主动触发配置加载
      if (tabBar && tabBar.loadFeatureConfig) {
        console.log('[Index] 主动调用 TabBar.loadFeatureConfig()')
        tabBar.loadFeatureConfig()
      }
      
      // 更新选中状态
      if (tabBar && tabBar.updateSelected) {
        tabBar.updateSelected()
      } else if (tabBar) {
        tabBar.setData({ selected: 0 })
      }
    } else {
      console.log('[Index] TabBar 组件未找到或 getTabBar 方法不存在')
    }
    
    // 更新用户状态
    this.updateUserStatus()
  },

  // 初始化数据
  async initData() {
    this.setData({ loading: true })
    try {
      await this.loadBookData()
      await this.loadFeaturedFromServer()
      this.loadSuperMembers()
      this.loadLatestChapters()
    } catch (e) {
      console.error('初始化失败:', e)
    } finally {
      this.setData({ loading: false })
    }
  },

  async loadSuperMembers() {
    this.setData({ superMembersLoading: true })
    try {
      // 优先加载 VIP 会员（购买 1980 fullbook/vip 订单的用户）
      let members = []
      try {
        const res = await app.request({ url: '/api/miniprogram/vip/members', silent: true })
        if (res && res.success && res.data) {
          // 不再过滤无头像用户，无头像时用首字母展示
          members = (Array.isArray(res.data) ? res.data : []).slice(0, 4).map(u => ({
            id: u.id,
            name: u.vipName || u.vip_name || u.nickname || '会员',
            avatar: u.vipAvatar || u.vip_avatar || u.avatar || '',
            isVip: true
          }))
          if (members.length > 0) {
            console.log('[Index] 超级个体加载成功:', members.length, '人')
          }
        }
      } catch (e) {
        console.log('[Index] vip/members 请求失败:', e)
      }
      // 不足 4 个则用有头像的普通用户补充
      if (members.length < 4) {
        try {
          const dbRes = await app.request({ url: '/api/miniprogram/users?limit=20', silent: true })
          if (dbRes && dbRes.success && dbRes.data) {
            const existIds = new Set(members.map(m => m.id))
            const extra = (Array.isArray(dbRes.data) ? dbRes.data : [])
              .filter(u => u.avatar && u.nickname && !existIds.has(u.id))
              .slice(0, 4 - members.length)
              .map(u => ({ id: u.id, name: u.nickname, avatar: u.avatar, isVip: u.is_vip === 1 }))
            members = members.concat(extra)
          }
        } catch (e) {}
      }
      this.setData({ superMembers: members, superMembersLoading: false })
    } catch (e) {
      console.log('[Index] 加载超级个体失败:', e)
      this.setData({ superMembersLoading: false })
    }
  },

  // 从服务端获取精选推荐（加权算法：阅读量50% + 时效30% + 付款率20%）和最新更新
  async loadFeaturedFromServer() {
    try {
      const res = await app.request({ url: '/api/miniprogram/book/all-chapters', silent: true })
      const chapters = (res && res.data) ? res.data : (res && res.chapters) ? res.chapters : []
      let featured = (res && res.featuredSections) ? res.featuredSections : []
      // 服务端未返回精选时，从前端按更新时间取前3条有效章节作为回退
      if (featured.length === 0 && chapters.length > 0) {
        const valid = chapters.filter(c => {
          const id = (c.id || '').toLowerCase()
          const pt = (c.part_title || c.partTitle || '').toLowerCase()
          return !id.includes('preface') && !id.includes('epilogue') && !id.includes('appendix')
            && !pt.includes('序言') && !pt.includes('尾声') && !pt.includes('附录')
        })
        featured = valid
          .sort((a, b) => new Date(b.updated_at || b.updatedAt || 0) - new Date(a.updated_at || a.updatedAt || 0))
          .slice(0, 5)
      }
      const tagMap = ['热门', '推荐', '精选']
      const tagClassMap = ['tag-hot', 'tag-rec', 'tag-rec']
      if (featured.length > 0) {
        this.setData({
          featuredSections: featured.slice(0, 3).map((s, i) => ({
            id: s.id || s.section_id,
            title: s.section_title || s.sectionTitle || s.title || s.chapterTitle || '',
            part: (s.cleanPartTitle || s.part_title || s.partTitle || '').replace(/[_｜|]/g, ' ').trim(),
            tag: tagMap[i] || '精选',
            tagClass: tagClassMap[i] || 'tag-rec'
          }))
        })
      }

      // 最新更新 = 按 updated_at 排序第1篇（排除序言/尾声/附录）
      const validChapters = chapters.filter(c => {
        const id = (c.id || '').toLowerCase()
        const pt = (c.part_title || c.partTitle || '').toLowerCase()
        return !id.includes('preface') && !id.includes('epilogue') && !id.includes('appendix')
          && !pt.includes('序言') && !pt.includes('尾声') && !pt.includes('附录')
      })
      if (validChapters.length > 0) {
        validChapters.sort((a, b) => new Date(b.updated_at || b.updatedAt || 0) - new Date(a.updated_at || a.updatedAt || 0))
        const latest = validChapters[0]
        this.setData({
          latestSection: {
            id: latest.id || latest.section_id,
            title: latest.section_title || latest.sectionTitle || latest.title || latest.chapterTitle || '',
            part: latest.cleanPartTitle || latest.part_title || latest.partTitle || ''
          }
        })
      }
    } catch (e) {
      console.log('[Index] 从服务端加载推荐失败，使用默认:', e)
    }
  },

  async loadBookData() {
    try {
      const res = await app.request({ url: '/api/miniprogram/book/all-chapters', silent: true })
      if (res && (res.data || res.chapters)) {
        const chapters = res.data || res.chapters || []
        const partIds = new Set(chapters.map(c => c.partId || c.part_id || '').filter(Boolean))
        this.setData({
          bookData: chapters,
          totalSections: res.total || chapters.length || 62,
          partCount: partIds.size || 5
        })
      }
    } catch (e) {
      console.error('加载书籍数据失败:', e)
    }
  },

  // 更新用户状态（已读数 = 用户实际打开过的章节数，仅统计有权限阅读的）
  updateUserStatus() {
    const { isLoggedIn, hasFullBook, purchasedSections } = app.globalData
    const readCount = Math.min(app.getReadCount(), this.data.totalSections || 62)
    this.setData({
      isLoggedIn,
      hasFullBook,
      readCount
    })
  },

  // 跳转到目录
  goToChapters() {
    wx.switchTab({ url: '/pages/chapters/chapters' })
  },

  // 跳转到搜索页
  goToSearch() {
    wx.navigateTo({ url: '/pages/search/search' })
  },

  // 跳转到阅读页
  goToRead(e) {
    const id = e.currentTarget.dataset.id
    wx.navigateTo({ url: `/pages/read/read?id=${id}` })
  },

  // 跳转到匹配页
  goToMatch() {
    wx.switchTab({ url: '/pages/match/match' })
  },

  goToVip() {
    wx.navigateTo({ url: '/pages/vip/vip' })
  },

  goToAbout() {
    wx.navigateTo({ url: '/pages/about/about' })
  },

  goToSuperList() {
    wx.switchTab({ url: '/pages/match/match' })
  },

  async loadLatestChapters() {
    try {
      const res = await app.request({ url: '/api/miniprogram/book/all-chapters', silent: true })
      const chapters = (res && res.data) || (res && res.chapters) || []
      const sortOrder = c => (c.sortOrder ?? c.sectionOrder ?? c.sort_order ?? 0)
      // 优先取 sort_order > 62 的「新增」章节；若无则取最近更新的前 10 章（排除序言/尾声/附录）
      let candidates = chapters.filter(c => sortOrder(c) > 62)
      if (candidates.length === 0) {
        const id = (c) => (c.id || '').toLowerCase()
        const pt = (c) => (c.partTitle || c.part_title || '').toLowerCase()
        candidates = chapters.filter(c =>
          !id(c).includes('preface') && !id(c).includes('epilogue') && !id(c).includes('appendix')
          && !pt(c).includes('序言') && !pt(c).includes('尾声') && !pt(c).includes('附录')
        )
      }
      const latest = candidates
        .sort((a, b) => new Date(b.updatedAt || b.updated_at || 0) - new Date(a.updatedAt || a.updated_at || 0))
        .slice(0, 10)
        .map(c => {
          const d = new Date(c.updatedAt || c.updated_at || Date.now())
          const title = c.section_title || c.sectionTitle || c.title || c.chapterTitle || ''
          const rawContent = (c.content || '').replace(/<[^>]+>/g, '').trim()
          // 描述仅用正文摘要，避免 #id 或标题重复；截取 36 字
          let desc = ''
          if (rawContent && rawContent.length > 0) {
            const clean = rawContent.replace(/^#[\d.]+\s*/, '').trim()
            desc = clean.length > 36 ? clean.slice(0, 36) + '...' : clean
          }
          return {
            id: c.id,
            title,
            desc,
            price: c.price ?? 1,
            dateStr: `${d.getMonth() + 1}/${d.getDate()}`
          }
        })
      this.setData({ latestChapters: latest })
    } catch (e) { console.log('[Index] 加载最新新增失败:', e) }
  },

  goToMemberDetail(e) {
    const id = e.currentTarget.dataset.id
    wx.navigateTo({ url: `/pages/member-detail/member-detail?id=${id}` })
  },

  // 跳转到我的页面
  goToMy() {
    wx.switchTab({ url: '/pages/my/my' })
  },

  // 下拉刷新
  async onPullDownRefresh() {
    await this.initData()
    this.updateUserStatus()
    wx.stopPullDownRefresh()
  },

  onShareAppMessage() {
    const ref = app.getMyReferralCode()
    return {
      title: 'Soul创业派对 - 真实商业故事',
      path: ref ? `/pages/index/index?ref=${ref}` : '/pages/index/index'
    }
  },

  onShareTimeline() {
    const ref = app.getMyReferralCode()
    return { title: 'Soul创业派对 - 真实商业故事', query: ref ? `ref=${ref}` : '' }
  }
})