Page({
  data: {
    statusBarHeight: 44,
    planName: '年卡会员',
    expiryDate: ''
  },

  onBack: function () {
    wx.navigateBack({
      fail: function () {
        wx.reLaunch({ url: '/pages/index/index' })
      }
    })
  },

  onLoad: function (options) {
    var app = getApp()
    this.setData({ statusBarHeight: app.globalData.statusBarHeight })

    var planMap = { yearly: '年卡会员', monthly: '月卡会员', trial: '试用会员' }
    var durationMap = { yearly: 365, monthly: 30, trial: 7 }
    var plan = options.plan || 'yearly'

    var now = new Date()
    now.setDate(now.getDate() + (durationMap[plan] || 365))
    var y = now.getFullYear()
    var m = ('0' + (now.getMonth() + 1)).slice(-2)
    var d = ('0' + now.getDate()).slice(-2)
    this.setData({
      planName: planMap[plan] || '会员',
      expiryDate: y + '年' + m + '月' + d + '日'
    })
  },

  onStartSmart: function () {
    wx.navigateTo({ url: '/pages/wear-check/wear-check' })
  },

  onBackHome: function () {
    wx.switchTab({ url: '/pages/index/index' })
  }
})