import { message } from 'antd';

/**
 * 文件下载函数
 *
 * @category Utils
 * @param param0 : 包括 data: 文件内容；fileName: 文件名；type: 文件类型
 */
export const downloadFile = ({
  data,
  fileName,
  type,
}: {
  data: any;
  fileName: string;
  type: string;
}) => {
  const blob = new Blob([data], {
    type,
  });

  const reader = new FileReader();
  reader.readAsText(blob, 'utf-8');
  reader.onload = () => {
    try {
      const res = JSON.parse((reader as any).result);
      message.error(res.message);
    } catch (e) {
      const downloadElement = document.createElement('a');
      downloadElement.download = fileName;
      downloadElement.href = window.URL.createObjectURL(blob);
      downloadElement.click();
      document.body.appendChild(downloadElement);
      document.body.removeChild(downloadElement);
      window.URL.revokeObjectURL(downloadElement.href);
    }
  };
};