<script setup lang="ts">
import { onMounted, reactive, ref } from 'vue'
import { Sunny, UploadFilled } from '@element-plus/icons-vue'
import {
  ElMessage,
  genFileId,
  type UploadInstance,
  type UploadProps,
  type UploadRawFile
} from 'element-plus'
import { useLanguage } from './compositions/index'
import videoService from '@/api/service/videoService'
import exportFile from '@/utils/exportFile'
import { whenMouse } from 'element-plus/es/utils/index.mjs'

const { languages } = useLanguage()
const step = ref(1)
const form = reactive({
  language: 'en',
  video: '',
  timeline: <Wm.TimelineItem[]>[],
  withSub: true
})
const upload = ref<UploadInstance>()

const actionUrl = ref(
  import.meta.env.MODE === 'production'
    ? '/upload_file'
    : import.meta.env.VITE_APP_BASE_API + '/upload_file'
)
onMounted(() => {})

const onSubmit = () => {
  if (!form.video) {
    ElMessage({
      message: '请先上传视频',
      type: 'error'
    })
    return
  }

  let postData: Wm.VideoCutOptions = {
    instances: [
      {
        video: form.video,
        lang: form.language,
        steps: ['step'+step.value]
      }
    ]
  }
  if (step.value === 2) {
    let srt_json_in = form.timeline
    postData.instances[0] = {
      ...postData.instances[0],
      with_sub: form.withSub,
      srt_json_in: srt_json_in
    }
  }

  videoService
    .wmVideoCut(postData)
    .then((res: any) => {
      console.log(res)
      ElMessage({
        message: '操作成功',
        type: 'success'
      })
      const ishttps = document.location.protocol === 'https:'
      // console.log(document.location)
      if (res) {
        if (step.value === 1) {
          form.timeline = res.result
          step.value = 2
        } else {
          let url = ''
          const final_video_url = res.result
          if (ishttps) {
            url = final_video_url.replace('http://', 'https://')
          } else {
            url = final_video_url.replace('https://', 'http://')
          }
          url = '/download' + url.substring(1, url.length)
          console.log(url)

          const arr_name = final_video_url.split('/')
          const file_name = arr_name[arr_name.length - 1] // 获取文件名
          fetch(url)
            .then((url) => url.blob())
            .then((blob: any) => {
              exportFile.getVideoFile(blob, file_name)
            })
          step.value = 1
        }
      }
    })
    .catch((err: any) => {
      console.log(err)
      ElMessage({
        message: '操作失败' + err,
        type: 'error'
      })
    })
}

const handleExceed: UploadProps['onExceed'] = (files) => {
  upload.value!.clearFiles()
  const file = files[0] as UploadRawFile
  file.uid = genFileId()
  upload.value!.handleStart(file)
  upload.value!.submit()
}

const handleUploadSuccess = (val: Wm.UploadResult) => {
  form.video = val.result.file_url
  ElMessage({
    message: '上传成功',
    type: 'success'
  })
}
const handleBeforeUpload = (file: any) => {
  const isLt100M = file.size / 1024 / 1024 < 100
  const fileName = file.name
  const fileType = fileName.substring(fileName.lastIndexOf('.'))
  console.log(fileType)

  const isMp4 =
    (file.type.indexOf('video') > -1 && file.type === 'video/mp4') || fileType === '.mp4'
  if (!isLt100M) {
    ElMessage.error('上传文件大小不能超过 100MB!')
    return false
  }
  if (!isMp4) {
    ElMessage.error('视频仅支持MP4格式!')
    return false
  }
  return isMp4 && isLt100M
}
const handleRemove = () => {
  form.video = ''
}
</script>

<template>
  <main class="home-container">
    <el-divider content-position="left"
      >视频转换（先根据视频生成翻译，再转换视频）</el-divider
    >
    <el-form :model="form" label-width="114px">
      <el-form-item label="选择语言">
        <el-select v-model="form.language" placeholder="请选择要转换的语言">
          <el-option
            v-for="item in languages"
            :key="item.value"
            :label="item.label"
            :value="item.value"
          />
        </el-select>
      </el-form-item>

      <el-form-item label="上传视频">
        <el-upload
          class="upload-demo"
          drag
          ref="upload"
          accept=".mp4"
          :limit="1"
          :action="actionUrl"
          :on-success="handleUploadSuccess"
          :on-exceed="handleExceed"
          :on-remove="handleRemove"
          :before-upload="handleBeforeUpload"
        >
          <el-icon class="el-icon--upload"><upload-filled /></el-icon>
          <div class="el-upload__text">
            将需要转换的视频文件拖到此处或 <em>点击上传</em>
          </div>
          <template #tip>
            <div class="el-upload__tip">
              <span>1、视频请上传mp4格式;</span>
              <span>2、视频大小控制在100M以内</span>
            </div>
          </template>
        </el-upload>
      </el-form-item>

      <el-form-item label="校对翻译" v-if="step === 2">
        <!-- <el-timeline>
          <el-timeline-item placement="top"
            v-for="(srt, index) in form.timeline"
            :key="index"
            :timestamp="srt.start + ' --- ' + srt.end">
            <el-input v-model="srt.content"
              style="width: 500px"
              :autosize="{ minRows: 1, maxRows: 3 }"
              type="textarea"
            />
          </el-timeline-item>
        </el-timeline> -->
        <div v-for="(srt, index) in form.timeline">
          <el-icon v-if="srt.content != '< No Speech >'" color="#409EFC" size="10px">
            <BellFilled />
          </el-icon>
          <span v-if="srt.content != '< No Speech >'">
            {{ srt.start + " --- " + srt.end }}
          </span>
          <el-input
            v-if="srt.content != '< No Speech >'"
            v-model="srt.content"
            style="width: 600px; margin: 5px 0"
            :autosize="{ minRows: 1, maxRows: 3 }"
            type="textarea"
          />
        </div>
      </el-form-item>

      <el-form-item label="是否需要字幕" v-if="step === 2">
        <el-select v-model="form.withSub" placeholder="是否需要字幕">
          <el-option label="是" :value="true" />
          <el-option label="否" :value="false" />
        </el-select>
      </el-form-item>

      <el-form-item>
        <el-button type="primary" @click="onSubmit"
          >{{ step === 1 ? "翻译" : "转换" }}
        </el-button>
      </el-form-item>
    </el-form>
  </main>
</template>
<style lang="scss" scoped>
.home-container {
  .upload-demo {
    width: 600px;
  }
  .el-upload__tip {
    > span {
      display: flex;
      line-height: 20px;
    }
  }
}
</style>
@/api/service/myService