import common from '../../utils/util';
import main from '../../utils/main';

const app = getApp();
var imageUrlPrefix;
var currentContent;

Page({
  data: {
    LessonID: 1,
    ArrTirtle: [],
  },
  onReady: function (e) {
    this.audioCtx = wx.createAudioContext('myAudio')
  },
  onLoad: function (options) {
    var that = this;
    var LessonID = 1;
    var LessonPage = 1;
    if (options && options.LessonID) {
      LessonID = options.LessonID;
    } 
    if (options && options.LessonPage) {
      LessonPage = options.LessonPage;
    }
    that.setData({
      Containnerheight: main.getWindowHeight(),
      LessonID: LessonID,
      LessonPage: LessonPage,
    });
    imageUrlPrefix = app.globalData.uploadImageUrl + "lesson/lesson" + LessonID + "/";
    main.getData("GetMiaoguoLesson?Lesson=" + LessonID + "&time=" + new Date().getTime(), function (data) {
      var id = that.data.LessonPage;
      if (id < 10)
        id = "0" + id;
      that.setData({
        ArrTirtle: data.List,
        IsPause: true,
        AudioSrc: imageUrlPrefix + "sounds/"+that.data.LessonPage+".m4a",
        ImageUrl: imageUrlPrefix + "%E5%B9%BB%E7%81%AF%E7%89%87" + id+".jpg",
      });
    });
    currentContent = [];
    app.globalData.LessonID = 0;
    app.globalData.LessonPage = 0;
  },
  onUnload: function () {
    this.InsertMiaoguoUserLesson();
  },
  onHide: function () {
    this.InsertMiaoguoUserLesson();
  },
  InsertMiaoguoUserLesson: function () {
    if (currentContent.length > 0) {
      var url = "InsertMiaoguoUserLesson?UserID=" + app.globalData.userInfo.UserID;
      url += "&LessonID=" + this.data.LessonID;
      url += "&Content=" + currentContent.join(",");

      main.getData(url, function (data) {
        currentContent = [];
      });
    }
  },
  playAudio: function (e) {
    var that = this;
    var id = Number(e.currentTarget.dataset.id) + 1;
    if (id < 10)
      id = "0" + id;
    this.setData({
      IsPause: false,
      LessonPage: Number(id),
      AudioSrc: imageUrlPrefix + "sounds/" + Number(id) + ".m4a",
      ImageUrl: imageUrlPrefix + "%E5%B9%BB%E7%81%AF%E7%89%87" + id + ".jpg",
    });
    setTimeout(function () {
      that.audioCtx.play();
    }, 1000);
  },
  bindEnded: function () {
    var id = this.data.LessonPage;
    currentContent.push(id);
    if (id < this.data.ArrTirtle.length)
      this.playAudio({ currentTarget: { dataset: { id: id } } });
  },
  audioPlay: function () {
    if (this.data.IsPause){
      this.audioCtx.play();
      this.setData({
        IsPause: false,
      });
    }
    else{
      this.audioCtx.pause();
      this.setData({
        IsPause: true,
      });
    }
  },
  previewImage:function(e){
    var url=e.currentTarget.dataset.url;
    wx.previewImage({
      current: url,
      urls: [url]
    });
  },
  onShareAppMessage: function () {
    return {
      title: "秒过学习法",
      path: app.globalData.SharePath + '?LessonID=' + this.data.LessonID + '&LessonPage=' + this.data.LessonPage+'&UserID=' + app.globalData.userInfo.UserID,
      imageUrl: '../images/program_screenshot_l' + this.data.LessonID+'.png',
    }
  },
});