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

const app = getApp()
Page({
  data: {
    version: app.globalData.version,
    IsEdit: false,
    ListHeight2: 600,
    SelectedCount: 0,
  },
  onLoad: function () {
    var that = this;
    this.setData({
      Containnerheight: server.getWindowHeight(),
    });
    this.getList();
    common.getStorageValue(this, "HelpHidden5", false, function () { 
      that.showHelp();
    });

  },
  onUnload: function () {
    this.closeHelp();
  },
  getList: function () {
    //console.log(new Date().getTime());
    var that = this;
    var list = wx.getStorageSync("AnswerList");
    if (list && list.length > 0) {
      var arr = [];
      for (var i = 0; i < list.length; i++) {
        list[i].Selected = false;
        arr.push(list[i]);
      }

      that.setData({
        AnswerList: arr,
      });
      
      this.setListHeight();

      if (arr.length>10){
        wx.showToast({
          title:"请删除不用试卷！",
          duration:2000,
        });
      }
    }
  },
  selectItem: function (e) {
    if (e.currentTarget.dataset.id) {
      var id = e.currentTarget.dataset.id;
      if (this.data.IsEdit) {
        var count = 0;
        var list = this.data.AnswerList;
        for (var i = 0; i < list.length; i++) {
          if (id == list[i].AnswerID) {
            list[i].Selected = !list[i].Selected;
          }
          if (list[i].Selected)
            count++;
        }
        this.setData({
          AnswerList: list,
          SelectedCount: count,
        });
      }
      else {
        wx.navigateTo({
          url: '../main/item?id=' + id,
        });

        this.closeHelp();
      }
    }
  },
  deleteItem: function () {
    var list = this.data.AnswerList;
    for (var i = list.length - 1; i >= 0; i--) {
      if (list[i].Selected) {
        wx.removeSavedFile({
          filePath:list[i].TempImagePath
        });
        list.splice(i, 1);
      }
    }
    
    list.sort(function (a, b) {
      if (a.CreateTime == b.CreateTime) {
        return b.AnswerID - b.AnswerID;
      } else {
        return b.CreateTime > a.CreateTime;
      }
    });
    this.setData({
      AnswerList: list,
      SelectedCount: 0,
    });
    this.setListHeight();
    wx.setStorageSync("AnswerList", list);
  },
  setListHeight:function(){
    var ListHeight2 = 600;
    if (this.data.AnswerList.length > 3) {
      ListHeight2 = 570 + (this.data.AnswerList.length - 3) * 130;
    }
    this.setData({
      ListHeight2: ListHeight2,
    });
  },
  btnEdit: function () {
    var that = this;
    that.data.IsEdit = !that.data.IsEdit;
    for (var i = 0; i < that.data.AnswerList.length; i++) {
      that.data.AnswerList[i].Selected = false;
    }
    that.setData({
      IsEdit: that.data.IsEdit,
      AnswerList: that.data.AnswerList,
    });
  },
  showHelp: function () {
    if (!this.data.HelpHidden5) {
      this.audioCtx = wx.createAudioContext('myAudio');
      var str = "哇哦，已经做完了呀。接下来，根据卷子右上角的编号，从传送带上选择答案吧。";
      server.playAudio(this.audioCtx, str);
    }
  },
  closeHelp: function () {
    this.setData({
      HelpHidden5: true,
    });
    wx.setStorageSync("HelpHidden5", true);
    this.audioCtx = wx.createAudioContext('myAudio');
    this.audioCtx.pause();
  },
  onShareAppMessage: function () {
    return {
      title: app.globalData.ShareTitle,
      path: 'pages/index/index?UserID=' + app.globalData.userInfo.UserID,
      imageUrl: app.globalData.ShareImage,
    }
  },
})