// pages/home/authory/index.js
import { getAuthSession, certificateImage } from "../../api/user"
const util = require('../../../utils/util')
const event = require('../../../utils/event.js')

Page({
  /**
   * 页面的初始数据
   */
  data: {
    form: { identityAuthToken: null },
    flag: false, // 是否不可以编辑, false：可编辑；true：不可编辑
    imgList: [null, null]
  },

  onLoad: function (options) {
    event.on('EventMessage', this, this.onEvent)
    wx.showLoading({ title: '加载中', mask: true })
    getAuthSession().then(result => {
      wx.hideLoading()
      this.data.form.identityAuthToken = result.data.token
    }).catch(error => {
      wx.hideLoading()
    })
  },
  onEvent: function (message) {
    if (message.what == 82) {
      wx.navigateBack()
    }
  },
  submitForm: function () {
    if (util.isEmpty(this.data.form.frontImg)) {
      util.showToast('请上传身份证正面照片')
      return
    }
    if (util.isEmpty(this.data.form.backImg)) {
      util.showToast('请上传身份证背面照片')
      return
    }
    wx.showLoading({ title: '处理中', mask: true })
    certificateImage(this.data.form).then(result => {
      wx.hideLoading()
      var tokenJson = JSON.stringify({token: result.data.identityAuthToken, idCardNo: result.data.idCardNo, realName: result.data.realName})
      wx.setStorageSync('identityAuthToken', tokenJson)
      wx.navigateTo({ url: '/pages/home/authory/index' })
    }).catch(error => {
      wx.hideLoading()
      util.showToast(error)
    })
  },
  /*******************************************************图片上传************************************************************/
  chooseImage: function(e) {
    if (this.data.flag) {
      return
    }
    var index = e.currentTarget.dataset.index
    var that = this
    wx.chooseImage({
      count: 1, //默认9
      sizeType: ['original', 'compressed'], //可以指定是原图还是压缩图，默认二者都有
      sourceType: ['album', 'camera'], //从相册选择
      success: (res) => {
        that.setData({ ['imgList[' + index + ']']: res.tempFilePaths[0] })
        const fileSystemManager = wx.getFileSystemManager()
        var type = that.suffixImage(res.tempFilePaths[0])
        fileSystemManager.readFile({
          filePath: that.data.imgList[index], // 例如图片临时路径
          encoding: 'base64',
          success(res) {
            let { data } = res // 编码后的数据
            if(index == 0){
              that.data.form.frontImg = {base64: data, type}
            } else {
              that.data.form.backImg = {base64: data, type}
            }
          }
        })
      }
    })
  },
  suffixImage: function(path){
    return path.substring(path.lastIndexOf('.') + 1)
  },
  viewImage: function(e) {
    var urlList = []
    for (var i = 0; i < this.data.imgList.length; i++) {
      if (!util.isEmpty(this.data.imgList[i])) {
        urlList.push(this.data.imgList[i])
      }
    }
    wx.previewImage({ urls: urlList, current: e.currentTarget.dataset.url })
  },
  deleteImg: function(e) {
    var index = e.currentTarget.dataset.index
    this.data.imgList[index] = null;
    this.setData({ imgList: this.data.imgList })
  },
  onUnload: function () {
    event.remove('EventMessage', this)
  }
})