<!-- excel 导入组件 -->
<template>
  <el-dialog :title="prop.title" v-model="state.upload.open" :close-on-click-modal="false" draggable>
    <el-upload
        ref="uploadRef"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="headers"
        :action="baseURL + other.adaptationUrl(url)"
        :disabled="state.upload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :on-error="handleFileError"
        :auto-upload="false"
        drag
    >
      <i class="el-icon-upload"></i>
      <div class="el-upload__text">
        {{ $t('excel.operationNotice') }}
        <em>{{ $t('excel.clickUpload') }}</em>
      </div>
      <template #tip>
        <div class="el-upload__tip text-center">
          <span>{{ $t('excel.fileFormat') }}</span>
          <el-link type="primary" :underline="false" style="font-size: 12px; vertical-align: baseline"
                   @click="downExcelTemp" v-if="tempUrl"
          >{{ $t('excel.downloadTemplate') }}
          </el-link>
        </div>
      </template>
    </el-upload>
    <template #footer>
      <el-button type="primary" @click="submitFileForm">{{ $t('common.confirmButtonText') }}</el-button>
      <el-button @click="state.upload.open = false">{{ $t('common.cancelButtonText') }}</el-button>
    </template>
  </el-dialog>

  <!--校验失败错误数据-->
  <el-dialog :title="$t('excel.validationFailureData')" v-model="state.errorVisible">
    <el-table :data="state.errorData">
      <el-table-column property="lineNum" :label="$t('excel.lineNumbers')" width="100"></el-table-column>
      <el-table-column property="errors" :label="$t('excel.misDescription')" show-overflow-tooltip>
        <template v-slot="scope">
          <el-tag type="danger" v-for="error in scope.row.errors" :key="error">{{ error }}</el-tag>
        </template>
      </el-table-column>
    </el-table>
  </el-dialog>
</template>

<script setup lang="ts" name="upload-excel">
import {useMessage} from '/@/hooks/message';
import other from '/@/utils/other';
import {Session} from '/@/utils/storage';

const emit = defineEmits(['sizeChange', 'refreshDataList']);
const prop = defineProps({
  url: {
    type: String,
  },
  title: {
    type: String,
  },
  tempUrl: {
    type: String,
  },
});

const uploadRef = ref();

const state = reactive({
  errorVisible: false,
  errorData: [],
  dialog: {
    title: '',
    isShowDialog: false,
  },
  upload: {
    open: false,
    isUploading: false,
  },
});

/**
 * 下载模板文件
 */
const downExcelTemp = async () => {
  try {
    // 如果是 assets 文件夹下的文件，使用 import.meta.url 获取文件
    if (prop.tempUrl && prop.tempUrl.includes('assets/file')) {
      // 从路径中提取文件名
      const fileName = prop.tempUrl.split('/').pop() || 'template.xlsx';
      // 使用动态导入获取文件URL，从 components/Upload 到 assets/file 的相对路径
      const fileUrl = new URL(`../../assets/file/${fileName}`, import.meta.url).href;
      const response = await fetch(fileUrl);
      if (!response.ok) {
        throw new Error('文件下载失败');
      }
      const blob = await response.blob();
      const url = window.URL.createObjectURL(blob);
      const link = document.createElement('a');
      link.href = url;
      link.download = fileName;
      document.body.appendChild(link);
      link.click();
      window.URL.revokeObjectURL(url);
      document.body.removeChild(link);
    } else {
      // 使用后端接口下载
      const fileName = prop.tempUrl?.split('/').pop() || 'template.xlsx';
      await other.downBlobFile(other.adaptationUrl(prop.tempUrl), {}, fileName);
    }
  } catch (error) {
    useMessage().error('模板下载失败，请先维护模板文件');
  }
};

/**
 * 上传进度条变化事件
 */
const handleFileUploadProgress = () => {
  state.upload.isUploading = true;
};

/**
 * 上传失败事件处理
 */
const handleFileError = () => {
  useMessage().error('上传失败,数据格式不合法!');
  state.upload.open = false;
};

/**
 * 上传成功事件处理
 * @param {any} response - 上传成功的响应结果
 */
const handleFileSuccess = (response: any) => {
  state.upload.isUploading = false;
  state.upload.open = false;
  uploadRef.value.clearFiles();

  // 校验失败
  if (response.code === 1) {
    useMessage().error('导入失败，以下数据不合法');
    state.errorVisible = true;
    state.errorData = response.data;
    uploadRef.value.clearFiles();
    // 刷新表格
    emit?.('refreshDataList');
  } else {
    useMessage().success(response.msg ? response.msg : '导入成功');
    // 刷新表格
    emit?.('refreshDataList');
  }
};

/**
 * 提交表单，触发上传
 */
const submitFileForm = () => {
  uploadRef.value.submit();
};

/**
 * 显示上传文件对话框，并清除上传信息
 */
const show = () => {
  state.upload.isUploading = false;
  state.upload.open = true;
};

/**
 * 计算请求头部信息
 */
const headers = computed(() => {
  return {
    Authorization: 'Bearer ' + Session.getToken(),
    'TENANT-ID': Session.getTenant(),
  };
});

// 暴露变量
defineExpose({
  show,
});
</script>

<style scoped></style>
