const app = getApp()

Page({
  data: {
    statusBarHeight: 44,
    navBarHeight: 88,
    totalSections: 62,
    purchasedCount: 0,
    hasFullBook: false,
    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' }
    ],
    latestSection: { id: '9.14', title: '大健康私域：一个月150万的70后', part: '真实的赚钱' },
    partsList: [
      { id: 'part-1', number: '01', title: '真实的人', subtitle: '人性观察与社交逻辑' },
      { id: 'part-2', number: '02', title: '真实的行业', subtitle: '社会运作的底层规则' },
      { id: 'part-3', number: '03', title: '真实的错误', subtitle: '错过机会比失败更贵' },
      { id: 'part-4', number: '04', title: '真实的赚钱', subtitle: '所有行业的杠杆结构' },
      { id: 'part-5', number: '05', title: '真实的未来', subtitle: '人与系统的关系' }
    ]
  },

  onLoad(options) {
    this.setNavBarHeight()
    if (options && options.ref) app.handleReferralCode({ query: options })
    this.loadBookData()
    this.updateUserStatus()
  },

  setNavBarHeight() {
    const statusBarHeight = app.globalData.statusBarHeight || 44
    const navBarHeight = app.globalData.navBarHeight || (statusBarHeight + 44)
    this.setData({ statusBarHeight, navBarHeight })
  },

  onShow() {
    if (typeof this.getTabBar === 'function' && this.getTabBar()) this.getTabBar().setData({ selected: 0 })
    this.setNavBarHeight()
    this.updateUserStatus()
  },

  loadBookData() {
    app.request('/api/book/all-chapters').then((res) => {
      if (res && res.data) this.setData({ totalSections: res.totalSections || 62 })
    }).catch(() => {})
  },

  updateUserStatus() {
    const { hasFullBook, purchasedSections } = app.globalData
    const total = this.data.totalSections || 62
    const count = hasFullBook ? total : (purchasedSections?.length || 0)
    this.setData({ hasFullBook, purchasedCount: count })
  },

  goToChapters() { wx.switchTab({ url: '/pages/chapters/chapters' }) },
  goToSearch() { wx.navigateTo({ url: '/pages/search/search' }) },
  goToRead(e) {
    const id = e.currentTarget.dataset.id
    wx.navigateTo({ url: '/pages/read/read?id=' + (id || '') })
  },

  onPullDownRefresh() {
    this.loadBookData()
    this.updateUserStatus()
    wx.stopPullDownRefresh()
  }
})