import {
  getContentShareImg
} from '../../api/index'
import {
  checkAuth,
  downloadSaveFile
} from '../../utils/downloadSaveFile'
Page({

  /**
   * 页面的初始数据
   */
  data: {
    bottomLift: '',
    downloadList: [],
    downloadConfig: {},
    checkedAll: false,
    showParam: false,
    takeQrcode: true
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    var app = getApp().globalData
    this.setData({
      bottomLift: app.bottomLift
    })
  },
  subDownload() {
    let that = this
    const downloadList = this.data.downloadList
    const downloadConfig = this.data.downloadConfig
    checkAuth(() => {
      wx.showLoading({
        title: '正在下载',
        mask: true
      })
      downloadList.forEach(item => {
        if (item.checked) {
          item.paddingStatus = 2
        }
      })
      this.setData({
        downloadList
      })
      downloadList.forEach(item => {
        if (item.checked) {
          if (that.data.takeQrcode == 1) {
            getContentShareImg({
              articleId: `${downloadConfig.id}_${downloadConfig.path}`,
              type: that.data.takeQrcode ? 1 : 0,
              imgurl: item.url
            }).then(res => {
              wx.downloadFile({
                url: res.data,
                success: res => {
                  if (res.statusCode === 200) {
                    wx.saveImageToPhotosAlbum({
                      filePath: res.tempFilePath,
                      success: res => {
                        item.paddingStatus = 3
                        item.checked = false
                        that.setData({
                          downloadList
                        })
                        wx.showToast({
                          title: '保存成功',
                          icon: "none"
                        })
                      },
                      fail: res => {
                        item.paddingStatus = 4
                        item.checked = false
                        that.setData({
                          downloadList
                        })
                        wx.showToast({
                          title: '保存失败',
                          icon: "none"
                        })
                      }
                    })

                  }
                }
              })
            })
          }else{
            wx.downloadFile({
              url: item.url,
              success: res => {
                if (res.statusCode === 200) {
                  wx.saveImageToPhotosAlbum({
                    filePath: res.tempFilePath,
                    success: res => {
                      item.paddingStatus = 3
                      item.checked = false
                      that.setData({
                        downloadList
                      })
                      wx.showToast({
                        title: '保存成功',
                        icon: "none"
                      })
                    },
                    fail: res => {
                      item.paddingStatus = 4
                      item.checked = false
                      that.setData({
                        downloadList
                      })
                      wx.showToast({
                        title: '保存失败',
                        icon: "none"
                      })
                    }
                  })

                }
              },
              fail(err) { 
                item.paddingStatus = 4
                that.setData({
                  downloadList
                })
                wx.showToast({
                  title: '图片下载失败',icon: 'none'
                })
              }
            })
          }
        }
      })
    })
    this.setData({
      showParam: false
    })
  },
  onShow() {
    const downloadList = wx.getStorageSync('downloadList') || []
    const downloadConfig = wx.getStorageSync('downloadConfig') || {}
    let temp = downloadList.map(i => {
      // paddingStatus： 0未下载1正在下载2等待下载3下载完成
      return {
        url: i,
        paddingStatus: 0,
        checked: false
      }
    })
    this.setData({
      downloadList: temp,
      downloadConfig
    })
  },
  openParam() {
    const downloadList = this.data.downloadList.filter(i => i.checked)
    if (downloadList.length === 0) return wx.showToast({
      title: '请先选择要下载的海报',
      icon: 'none'
    })
    this.setData({
      showParam: true
    })
  },
  onClose() {
    this.setData({
      showParam: false
    })
  },
  downCheck(e) {
    const takeQrcode = e.currentTarget.dataset.flag
    console.log('takeQrcode', takeQrcode);
    this.setData({
      takeQrcode
    })
  },
  itemCheck(e) {
    const i = e.currentTarget.dataset.i
    const {
      downloadList
    } = this.data
    let count = 0
    downloadList.forEach((item, index) => {
      if (index === i) {
        if (item.paddingStatus == 3) {
          item.paddingStatus = 0
        }
        item.checked = !item.checked
      }
      if (item.checked) {
        count++
      }
    })
    this.setData({
      checkedAll: count == downloadList.length,
      downloadList
    })
  },
  allCheck() {
    const {
      downloadList,
      checkedAll
    } = this.data
    downloadList.forEach(item => {
      item.checked = !checkedAll
    })
    this.setData({
      checkedAll: !checkedAll,
      downloadList
    })
  },
  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() {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage() {

  }
})