<template>
  <Dialog v-model="dialogVisible" title="导入BOM" width="400">
    <el-upload
      ref="uploadRef"
      v-model:file-list="fileList"
      :action="importUrl"
      :auto-upload="false"
      :disabled="formLoading"
      :headers="uploadHeaders"
      :limit="1"
      :on-error="submitFormError"
      :on-exceed="handleExceed"
      :on-success="submitFormSuccess"
      accept=".xlsx, .xls"
      drag
    >
      <Icon icon="ep:upload" />
      <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
      <template #tip>
        <span>仅允许导入 xls、xlsx 格式文件。</span>
      </template>
    </el-upload>
    <template #footer>
      <el-button :disabled="formLoading" type="primary" @click="submitForm">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>

<script lang="ts" setup>

import { getAccessToken, getTenantId } from '@/utils/auth'

defineOptions({ name: 'BomImportForm' })

const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const formLoading = ref(false) // 表单的加载中
const uploadRef = ref()
const importUrl =
  import.meta.env.VITE_BASE_URL + import.meta.env.VITE_API_URL + '/heli/process-bom/import'
const uploadHeaders = ref() // 上传 Header 头
const fileList = ref([]) // 文件列表

/** 打开弹窗 */
const open = () => {
  dialogVisible.value = true
  resetForm()
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const submitForm = async () => {
  if (fileList.value.length == 0) {
    message.error('请上传文件')
    return
  }
  // 提交请求
  uploadHeaders.value = {
    Authorization: 'Bearer ' + getAccessToken(),
    'tenant-id': getTenantId()
  }
  formLoading.value = true
  uploadRef.value!.submit()
}

/** 文件上传成功 */
const emits = defineEmits(['success'])
const submitFormSuccess = (response: any) => {
  if (response.code == 500) {
    uploadRef.value!.clearFiles()
    message.error(response.msg)
    formLoading.value = false
    return
  }
  message.alert("导入成功！")
  // 发送操作成功的事件
  uploadRef.value!.clearFiles()
  emits('success')
}
const submitFormSuccessTwo = (response: any) => {
  if (response.code !== 0) {
    message.error(response.msg)
    formLoading.value = false
    return
  }
  // 拼接提示语
  const data = response.data
  let text = '上传成功数量：' + data.createMaterials.length + ';'
  for (let material of data.createMaterials) {
    text += '< ' + material + ' >'
  }
  text += '更新成功数量：' + data.updateMaterials.length + ';'
  for (const material of data.updateMaterials) {
    text += '< ' + material + ' >'
  }
  text += '更新失败数量：' + Object.keys(data.failureMaterials).length + ';'
  for (const material in data.failureMaterials) {
    text += '< ' + material + ': ' + data.failureMaterials[material] + ' >'
  }
  message.alert(text)
  // 发送操作成功的事件
  emits('success')
}

/** 上传错误提示 */
const submitFormError = (): void => {
  message.error('上传失败，请您重新上传！')
  uploadRef.value!.clearFiles()
  formLoading.value = false
}

/** 重置表单 */
const resetForm = () => {
  // 重置上传状态和文件
  formLoading.value = false
  uploadRef.value!.clearFiles()
  uploadRef.value?.clearFiles()
}

/** 文件数超出提示 */
const handleExceed = (): void => {
  message.error('最多只能上传一个文件！')
}
</script>
