// components/audio-play.js
import { CDN_URL,API_BASE_URL,G_AUDIO } from '../../config/index';
let app =  getApp();


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

  /**
   * 组件的初始数据
   */
  data: {
    cdn_url:CDN_URL,
    currentTime: '00:00',
    isPlay: false,
    audioExample: null,
    progress: 0,
    allAudio: [],
    G_AUDIO,
    timer:null,
    api_base_url:API_BASE_URL,
    targetUrl:API_BASE_URL+'/data/'
  },

  /**
   * 组件的方法列表
   */
  methods: {

    toggleMusic() {
      // 全部暂停
      if (!this.data.isPlay) {
        
        this.data.audioExample.autoplay = true;
        this.data.audioExample.src = G_AUDIO[this.properties.audio].audio;
        this.data.audioExample.play();

        app.globalData.AllExample.forEach((simpleAudio) => {
          if (simpleAudio.src && simpleAudio.src!=this.data.audioExample.src) {
            simpleAudio.src && simpleAudio.pause();
          }
        })
        this.setData({
          isPlay: true
        })
        this.loadProgress()
      }
      else{
        this.data.audioExample.pause();
        this.setData({
          isPlay: false
        })
      }
    },
    // 播放中
    loadProgress() {
      this.data.audioExample.onCanplay(() => {
        this.data.timer = setInterval(() => {
          // 只要音频暂停了，定时器（假的）不执行
          if (this.data.audioExample.paused) return;
          var currentime = this.data.audioExample.currentTime;
          var currTimeStr = this.formatTime(currentime);
          var progress = parseInt((this.data.audioExample.currentTime / this.data.audioExample.duration) * 100)
          if (progress === 100 || isNaN(this.data.progress)) {
            clearInterval(this.data.timer)
            console.log('停止了')
            this.setData({
              isPlay: false,
              progress: 0,
              currentTime: "00:00",
            })
          } else {
            this.setData({
              progress,
              currentTime: currTimeStr
            })
          }
        }, 1000);
      });
    },
    
    formatTime: function (num) { //格式化时间格式
      num = num.toFixed(0);
      let second = (num % 60);
      if (second < 10) second = '0' + second;
      let min = Math.floor(num / 60);
      if (min < 10) min = '0' + min;
      return min + ":" + second;
    }
  },
  attached: function () {
    let tt = wx.createInnerAudioContext()
    tt.src = 'none'
    this.setData({
      audioExample: tt
    })
    // this.data.audioExample = wx.createInnerAudioContext();
    //所有组件实例都放在一个容器AllExample里
    app.globalData.AllExample.push(this.data.audioExample);
    this.data.audioExample.onPlay(function () {
      console.log('播放中。。。')
    })
    this.data.audioExample.onTimeUpdate(function () {
      console.log('监听进度。。')
    })
    //控制单个实例的isPlay
    this.data.audioExample.onPause(()=> {
      console.log('onPause。。。')
      this.setData({
        isPlay: false
      })
    })
    // 每个组件实例播放结束
    this.data.audioExample.onEnded(() => {
      this.setData({
        currentTime: "00:00",
        isPlay: false,
        progress: 0,
      })
      clearInterval(this.data.timer)
    })
    // 在组件实例进入页面节点树时执行
  },
  detached: function () {
    // 在组件实例被从页面节点树移除时执行
    // 卸载
    this.data.audioExample.destroy();
    this.setData({
      currentTime: "00:00",
      isPlay: false,
      progress: 0,
    })
  }
})