// packageBookService/pages/components/webView/index.js
const app = getApp()
Component({
  /**
   * 组件的属性列表
   */
  properties: {
    fileInfo: {
      type: Object,
      value: {}
    }
  },
  /**
   * 页面的初始数据
   */
  data: {
    src: "",
    link: false,
    epubObj: null,
    currentPage: '',
  },

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

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

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

    // 获取UserKey
    getProgress() {
      app.MG.identity
        .getUserKey({
          domain: "bookReadProgress",
          keys: [this.properties.fileInfo.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.properties.fileInfo.freePage) {
              this.setData({
                currentPage: "",
              });
            }
          }
          this.setWebViewSrc();
        });
    },
    // 设置userKey
    setProgress(data) {
      if (data.page && data.page != this.data.currentPage) {
        app.MG.identity
          .setUserKey({
            setKeyRequests: [{
              domain: "bookReadProgress",
              key: this.properties.fileInfo.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%",
        });
      }
    },
  }
})