<template>
  <div class="container">
    <el-card>
      <div slot="header">
        <div>課程：</div>
        <div>階段：</div>
        <div>課時：</div>
      </div>
      <el-form label-width="40px">
        <el-form-item label="視頻">
          <input
            ref="video-file"
            type="file"
          >
        </el-form-item>
        <el-form-item label="封面">
          <input
            ref="image-file"
            type="file"
          />
        </el-form-item>
        <el-form-item>
          <el-button
            type="primary"
            @click="authUpload"
          >開始上傳</el-button>
          <el-button>返回</el-button>
        </el-form-item>
      </el-form>
    </el-card>
  </div>
</template>
<script>
/* eslint-disable */
import axios from 'axios'
import {
  aliyunImagUploadAddressAdnAuth,
  aliyunVideoUploadAddressAdnAuth,
  transCodeVideo,
  getAliyunTransCodePercent
} from '@/services/aliyun-oss'

export default {
  data () {
    return {
      uploader: null,
      videoId: null,
      imageUrl: '',
      fileName: ''
    }
  },
  created () {
    this.initUploader()
  },
  methods: {
    authUpload () {
      const videoFile = this.$refs['video-file'].files[0]
      this.uploader.addFile(videoFile, null, null, null, '{"Vod":{}}')
      this.uploader.addFile(this.$refs['image-file'].files[0], null, null, null, '{"Vod":{}}')
      this.fileName = videoFile.name
      this.uploader.startUpload()
    },
    initUploader () {
      this.uploader = new window.AliyunUpload.Vod({
        // 阿里賬號ID，必須有值 ，值的來源https://help.aliyun.com/knowledge_detail/37196.html
        userId: 1618139964448548,
        // 上傳到點播的地域， 默認值為'cn-shanghai',//eu-central-1,ap-southeast-1
        region: 'cn-shanghai',
        // 分片大小默認1M，不能小于100K
        partSize: 1048576,
        // 并行上傳分片個數(shù)，默認5
        parallel: 5,
        // 網絡原因失敗時，重新上傳次數(shù)，默認為3
        retryCount: 3,
        // 網絡原因失敗時，重新上傳間隔時間，默認為2秒
        retryDuration: 2,
        // 開始上傳
        onUploadstarted: async uploadInfo => {
          console.log('onUploadstarted', uploadInfo)
          let uploadAuthInfo = null
          if (uploadInfo.isImage) {
            const { data } = await aliyunImagUploadAddressAdnAuth()
            this.imageUrl = data.data.imageURL
            uploadAuthInfo = data.data
          } else {
            const { data } = await aliyunVideoUploadAddressAdnAuth({
              fileName: uploadInfo.file.name
            })
            this.videoId = data.data.videoId
            uploadAuthInfo = data.data
          }
          
          // console.log('uploadAuthInfo', uploadAuthInfo)

          this.uploader.setUploadAuthAndAddress(
            uploadInfo,
            uploadAuthInfo.uploadAuth,
            uploadAuthInfo.uploadAddress,
            uploadAuthInfo.videoId || uploadAuthInfo.imageId
          )
        },
        // 文件上傳成功
        onUploadSucceed: function (uploadInfo) {
          console.log('onUploadSucceed', uploadInfo)
        },
        // 文件上傳失敗
        onUploadFailed: function (uploadInfo, code, message) {
          console.log('onUploadFailed')
        },
        // 文件上傳進度，單位：字節(jié)
        onUploadProgress: function (uploadInfo, totalSize, loadedPercent) {
        },
        // 上傳憑證超時
        onUploadTokenExpired: function (uploadInfo) {
          console.log('onUploadTokenExpired')
        },
        // 全部文件上傳結束
        onUploadEnd: async uploadInfo => {
          console.log(uploadInfo)
          console.log({
            lessonId: this.$route.query.lessonId,
            fileId: this.videoId,
            coverImageUrl: this.imageUrl,
            fileName: this.fileName
          })
          const { data } = await transCodeVideo({
            lessonId: this.$route.query.lessonId,
            fileId: this.videoId,
            coverImageUrl: this.imageUrl,
            fileName: this.fileName
          })
          console.log(data)

          setInterval(async () => {
             const { data } = await getAliyunTransCodePercent(this.$route.query.lessonId)
             console.log('轉碼進度', data)
          }, 3000)
        }
      })
    }
  }
}
</script>

/**
 * 阿里云上傳
 */

import request from '@/utils/request'

export const aliyunImagUploadAddressAdnAuth = () => {
  return request({
    method: 'GET',
    url: '/boss/course/upload/aliyunImagUploadAddressAdnAuth.json'
  })
}

export const aliyunVideoUploadAddressAdnAuth = (params: any) => {
  return request({
    method: 'GET',
    url: '/boss/course/upload/aliyunVideoUploadAddressAdnAuth.json',
    params
  })
}

export const transCodeVideo = (data: any) => {
  return request({
    method: 'POST',
    url: '/boss/course/upload/aliyunTransCode.json',
    data
  })
}

export const getAliyunTransCodePercent = (lessonId: string | number) => {
  return request({
    method: 'GET',
    url: '/boss/course/upload/aliyunTransCodePercent.json',
    params: {
      lessonId
    }
  })
}