import { UserProfile, GeoPoint } from './types/index'
import { getCachedUser, login } from './utils/auth'
import { CLOUD_ENV, HEARTBEAT_INTERVAL_MS } from './utils/constants'
import { api } from './utils/api'

App<{
  userInfo: UserProfile | null
  isLoggedIn: boolean
  currentLocation: GeoPoint | null
  _locationTimer: number | null
}>({
  globalData: {
    userInfo: null,
    isLoggedIn: false,
    currentLocation: null,
    _locationTimer: null,
  },

  onLaunch() {
    wx.cloud.init({
      env: CLOUD_ENV,
      traceUser: true,
    })

    const cached = getCachedUser()
    if (cached) {
      this.globalData.userInfo = cached
      this.globalData.isLoggedIn = true
    }

    this._initLocation()
  },

  onShow() {
    this._startLocationHeartbeat()
  },

  onHide() {
    this._stopLocationHeartbeat()
  },

  async _initLogin() {
    try {
      const userInfo = await login()
      this.globalData.userInfo = userInfo
      this.globalData.isLoggedIn = true
    } catch (e) {
      console.error('Login failed', e)
    }
  },

  _initLocation() {
    wx.getLocation({
      type: 'gcj02',
      success: res => {
        this.globalData.currentLocation = {
          latitude: res.latitude,
          longitude: res.longitude,
        }
        if (this.globalData.isLoggedIn) {
          api.updateLocation(res.latitude, res.longitude).catch(() => {})
        }
      },
      fail: () => {},
    })
  },

  _startLocationHeartbeat() {
    if (this.globalData._locationTimer) return
    this.globalData._locationTimer = setInterval(() => {
      if (!this.globalData.isLoggedIn) return
      wx.getLocation({
        type: 'gcj02',
        success: res => {
          this.globalData.currentLocation = {
            latitude: res.latitude,
            longitude: res.longitude,
          }
          api.updateLocation(res.latitude, res.longitude).catch(() => {})
        },
        fail: () => {},
      })
    }, HEARTBEAT_INTERVAL_MS)
  },

  _stopLocationHeartbeat() {
    if (this.globalData._locationTimer) {
      clearInterval(this.globalData._locationTimer)
      this.globalData._locationTimer = null
    }
  },
})