var http = require('./utils/request')
var i18n = require('./i18n/index')

App({
  globalData: {
    userInfo: null,
    userId: null,
    connectedDevice: null,
    currentTreatment: null,
    statusBarHeight: 44
  },

  onLaunch: function () {
    var sysInfo = wx.getSystemInfoSync()
    this.globalData.statusBarHeight = sysInfo.statusBarHeight || 44
    i18n.getLocale()
    i18n.applyTabBar()
    this.checkLogin()
  },

  // Safety net: if the framework ever tries to open an unknown/empty route
  // (e.g. a stale page stack after the pages list changed), fall back to home
  // instead of surfacing a hard "page not found" crash.
  onPageNotFound: function (res) {
    if (res && res.isEntryPage) {
      wx.reLaunch({ url: '/pages/index/index', fail: function () {} })
    }
  },

  checkLogin: function () {
    var token = wx.getStorageSync('token')
    if (!token) {
      this.globalData.userInfo = null
      return
    }
    this.loadProfile()
  },

  loadProfile: function () {
    var self = this
    return http.get('/api/v1/user/profile').then(function (profile) {
      self.globalData.userInfo = profile
      self.globalData.userId = String(profile.user_id)
      return profile
    }).catch(function () {
      wx.removeStorageSync('token')
    })
  },

  doLogin: function () {
    return new Promise(function (resolve, reject) {
      wx.login({
        success: function (res) {
          http.post('/api/v1/auth/login', { code: res.code }).then(function (data) {
            wx.setStorageSync('token', data.token)
            wx.setStorageSync('token_expiry', String(Math.floor(Date.now() / 1000) + (data.expires_in || 604800)))
            var app = getApp()
            app.globalData.userInfo = data.user_info
            app.globalData.userId = data.user_id
            resolve(data)
          }).catch(reject)
        },
        fail: function (err) {
          reject({ code: 2002, message: err.errMsg || '微信登录失败' })
        }
      })
    })
  }
})