// packageBookService/pages/components/webView/index.js
const app = getApp()
Page({

  /**
   * 页面的初始数据
   */
  data: {
    src: "",
    link: false,
    epubObj: null,
    currentPage: '',
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    if (options && options.link) {
      this.setData({
        src: decodeURIComponent(options.link),
        link: options.link ? true : false,
      })
    } else {
      this.setData({
        epubObj: options,
        src: ''
      })
      if (options) {
        wx.setNavigationBarTitle({
          title: options.fileName,
        })
        this.getProgress(options)
      }
    }
  },

  onLoadWeb(e) {
    console.log(e, "load")
  },

  onError(e) {
    console.log(e, "err")
  },

  setWebViewSrc: function (data) {
    var url = app.config.epubUrl +
      "?md5=" +
      data.md5 +
      "&bookName=" +
      data.fileName +
      "&url=" + app.config.requestCtx +
      "&token=" +
      wx.getStorageSync(app.config.tokenKey) +
      "&recordLocation=" +
      this.data.currentPage
    this.setData({
      src: url
    })
  },


  // 获取UserKey
  getProgress: function (dataObj) {
    app.MG.identity
      .getUserKey({
        domain: "bookReadProgress",
        keys: [this.data.epubObj.md5],
      })
      .then((res) => {
        if (res.length) {
          try {
            this.setData({
              currentPage: JSON.parse(res[0].value).page,
            });
          } catch (error) {
            this.setData({
              currentPage: "",
            });
          }
          if (this.data.currentPage > this.data.probationPage) {
            this.setData({
              currentPage: "",
            });
          }
        }
        this.setWebViewSrc(dataObj);
      });
  },
  // 设置userKey
  setProgress: function (data) {
    if (data.page && data.page != this.data.currentPage) {
      app.MG.identity
        .setUserKey({
          setKeyRequests: [{
            domain: "bookReadProgress",
            key: this.data.epubObj.md5,
            value: JSON.stringify(data),
          },],
        })
        .then((res) => { });
    }
  },

  drawBack(e) {
    let {
      currentLocation,
      percentage,
      type
    } =
      e.detail.data[0];
    if (type == "progress" && type != "backDetail") {
      this.setProgress({
        page: currentLocation,
        progress: percentage,
      });
    } else if (type == "backDetail") {
      this.setProgress({
        page: 1,
        progress: "0%",
      });
    }
  },
  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady() {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow() {

  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide() {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload() {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh() {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom() {

  },
})