// components/map-sense.js

const innerAudioContext = wx.createInnerAudioContext();
import http from '../../utils/http';
import {promisify,BeaconUtils} from '../../utils/util';
let openBluetoothAdapter = promisify(wx.openBluetoothAdapter)
let startBeaconDiscovery = promisify(wx.startBeaconDiscovery)

import { CDN_URL, CONNECT_STATUS, STATUS_TEXT, API_BASE_URL } from '../../config/index';
const STATUS_PIC = {
  '0': 'default',
  '1': 'loading',
  '2': 'success',
  '3': 'fail'
};

let AveLength = 4

Component({
  /**
   * 组件的属性列表
   */
  properties: {
  },

  /**
   * 组件的初始数据
   */
  data: {
    status: "0",
    cdn_url: CDN_URL,
    connect_status: CONNECT_STATUS,
    status_text: STATUS_TEXT,
    status_pic: STATUS_PIC,
    targetObj: {},
    audio_address: {},
    api_base_url: API_BASE_URL,
    // 是否是扫码播放
    isScanPlay: false,
    cdn_url:CDN_URL
  },

  /**
   * 组件的方法列表
   */
  methods: {
    openBluetooth(cb) {
      openBluetoothAdapter().then(res=>{
        cb(res)
      },()=>{
        wx.showToast({
          title: '请打开蓝牙',
          icon: 'error',
          duration: 2000
        })
      })
    },
    toHandle() {
      switch (this.data.status) {
        case '0':
          this.openLink();
          break;
        case '1':
          this.stopBeaconDiscovery();
          break;
        case '2':
          this.stopBeaconDiscovery();
          break;
        case '3':
          this.startBeaconDiscovery();
          break;
        default:
          break
      }
      
    },

    openLink(){
      let aveArr = []
      wx.showLoading({
        mask:true,
        title: '正在连接，请稍等',
      })
      this.openBluetooth(()=>{
        startBeaconDiscovery({uuids: ['FDA50693-A4E2-4FB1-AFCF-C6EB07647825']}).then(()=>{
          wx.hideLoading()
          wx.showToast({
            title: '连接成功',
            icon: 'success'
          })
          this.setData({
            status:'2'
          })
          wx.onBeaconUpdate(data=>{
            if (aveArr.length == AveLength) {
              aveArr[0] = data.beacons
            }
            else{
              aveArr.push(data.beacons)
            }
            let all = []
            aveArr.forEach(item => {
              all = all.concat(item)
            });

            let classfiy = BeaconUtils.classification(all,'major')
            let aveAccuracy = {}

            let min = {
              id: '10001',
              val: 10000000
            } //取最小值
            Object.keys(classfiy).forEach(key=>{
              //每个major的AveLength个元素数组
              let arr = classfiy[key].filter(item=>{
                return item.accuracy > 0
              })
              if (arr.length<=0) {
                return
              }

              //每个major的平均值
              let ave = BeaconUtils.arrayAverage(arr.map(sub=>sub.accuracy))
              classfiy[key].forEach(item=>{
                 item.accuracy = ave
              })
              aveAccuracy[key] = ave
              min = ave < min.val ? {id:key,val:ave} : min;
            })

            console.log(min);

            this.setData({
              classfiy,
              targetObj: {
                major:min.id
              }
            })
          })
        }).catch(()=>{
          wx.hideLoading()
          wx.showToast({
            title: '连接失败',
            icon: 'error'
          })
        })
      })
    },
    
    stopBeaconDiscovery() {
      wx.showLoading({
        mask:true,
        title: '正在取消连接，请稍等',
      })
      wx.stopBeaconDiscovery({
        success:()=>{
          wx.hideLoading()
          wx.showToast({
            title: '取消连接成功',
            icon: 'success'
          })
          innerAudioContext.stop();
          this.setData({
            status: '0',
            targetObj: {}
          })
        },
        fail:()=>{
          
        },
        complete:()=>{
          
        }
      })
    },
    // 扫一扫
    toScanCode() {
      var that = this;
      that.setData({
        isScanPlay: true
      })
      wx.scanCode({
        success(res) {
          console.log('success', res)
          console.log('result', res['result'])
          console.log('innerAudioContext', innerAudioContext)
          that.setData({ targetObj: {} })
          innerAudioContext.autoplay = true;
          innerAudioContext.src = res['result']
          innerAudioContext.loop = true;
          innerAudioContext.play();
        },
        fail: function (res) {
          console.log('fail innerAudioContext', innerAudioContext)
          that.setData({
            isScanPlay: false
          })
          innerAudioContext.play();
          return;
        },
        complete(){
          // console.log()
          that.setData({
            isScanPlay: false
          })
        }
      })
    },

    getAudios() {
      http.get('/api/web/getAudioIndex')
      .then(res => {
        let { data } = res,target = {};
        data.forEach(item => {
          target['1000'+item.type] = `${this.data.api_base_url}/data/${item.audio}`
        })
        this.setData({
          audio_address: target
        })
      })
    }
  },
  lifetimes:{
    attached: function () {
      innerAudioContext.stop();
      //获取语音
      this.getAudios();

      var that = this;
      // wx.onAccelerometerChange(function (e) {
      //   console.log('手机咚咚咚给')
      //   if (Math.abs(e.x) > 1.1 && Math.abs(e.y) > 1.1) {
      //     //         wx.showToast({ title: "摇一摇" })
      //   } else if (Math.abs(e.x) > 0.07 && Math.abs(e.y) > 0.02 && that.data.status === '2') {
      //     // 扫一扫播放的话 移动无效
      //     if (that.data.isScanPlay) return;
          
      //     that.startBeaconDiscovery()
      //   } else {
      //     //         wx.showToast({ title: "静止" })
      //   }
      // }),
      innerAudioContext.onEnded(() => {
        console.log('播放结束了')
        if (this.data.isScanPlay) {
          innerAudioContext.stop()
          this.setData({ isScanPlay: false,targetObj: {}})
          console.log('innerAudioContext', innerAudioContext)
          if (this.data.status == 2) {
            this.startBeaconDiscovery()
          }
        }
      })
    },
    detached: function () {
      innerAudioContext.stop();
      innerAudioContext.destroy();
      wx.stopBeaconDiscovery({})
      this.setData({status:"0"})
    }
  }
})