var ble = require('../../services/ble')

Page({
  data: {
    statusBarHeight: 44,
    battery: 0,
    connected: false
  },

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

  onLoad: function () {
    var app = getApp()
    this.setData({
      statusBarHeight: app.globalData.statusBarHeight,
      connected: ble.isConnected()
    })
    var device = app.globalData.currentDevice || {}
    this.setData({ battery: device.battery || 0 })
  },

  onNext: function () {
    if (!ble.isConnected()) {
      wx.showToast({ title: '设备未连接', icon: 'none' })
      return
    }
    wx.redirectTo({
      url: '/pages/treatment-setup/treatment-setup'
    })
  },

  onRetry: function () {
    var self = this
    if (ble.isConnected()) {
      self.setData({ connected: true })
      return
    }
    self.setData({ connected: false })
    ble.disconnect()
    setTimeout(function () {
      ble.startScan({
        onFound: function () {},
        onConnected: function () {
          clearTimeout(self._reconnectTimer)
          self.setData({ connected: true })
          wx.showToast({ title: '连接成功', icon: 'success' })
        },
        onError: function (err) {
          clearTimeout(self._reconnectTimer)
          wx.showToast({ title: err.msg || '连接失败', icon: 'none' })
        }
      })
      self._reconnectTimer = setTimeout(function () {
        ble.stopScan()
        wx.showToast({ title: '搜索超时', icon: 'none' })
      }, 15000)
    }, 500)
  },

  onUnload: function () {
    clearTimeout(this._reconnectTimer)
    ble.stopScan()
  }
})