/**
 * 下载API返回的PDF文件
 * @param {Object} apiResponse - 接口返回的数据
 * @param {boolean} [showLoading=true] - 是否显示加载提示
 */
import {IMAGE_BASE_URL,BASE_URL} from '@/utils/config';
export const downloadPdfFiles = (file, showLoading = true) => {
  return new Promise((resolve, reject) => {

    const filesToDownload = [{url:file.url,name:file.name}];

    // 2. 收集需要下载的文件
    // if (applyPdf) filesToDownload.push({ url: BASE_URL+applyPdf, name: '申请表.docx' });
    // if (covenantPdf) filesToDownload.push({ url: BASE_URL+covenantPdf, name: '协议书.docx' });

    if (filesToDownload.length === 0) {
      return reject(new Error('未找到可下载的文件'));
    }

    // 3. 显示加载提示
    if (showLoading) {
      wx.showLoading({
        title: `正在下载文件(0/${filesToDownload.length})`,
        mask: true
      });
    }

    // 4. 逐个下载文件
    const downloadedFiles = [];
    let completedCount = 0;

    const updateProgress = () => {
      if (showLoading) {
        wx.showLoading({
          title: `正在下载文件(${completedCount}/${filesToDownload.length})`,
          mask: true
        });
      }
    };

    filesToDownload.forEach((file, index) => {
      wx.downloadFile({
        url: file.url,
        success: (res) => {
          if (res.statusCode === 200) {
            downloadedFiles.push({
              tempPath: res.tempFilePath,
              name: file.name,
            });
            
            // 下载完成后自动打开
            wx.openDocument({
              filePath: res.tempFilePath,
              fileType: 'docx',
			  showMenu: true,// 显示Android分享菜单
              success: () => {
                console.log(`${file.name} 打开成功`);
              },
              fail: (err) => {
                console.error(`${file.name} 打开失败:`, err);
              }
            });
          } else {
            console.error(`${file.name} 下载失败，状态码: ${res.statusCode}`);
          }
        },
        fail: (err) => {
          console.error(`${file.name} 下载失败:`, err);
        },
        complete: () => {
          completedCount++;
          updateProgress();
          
          // 全部下载完成
          if (completedCount === filesToDownload.length) {
            if (showLoading) wx.hideLoading();
            
            if (downloadedFiles.length > 0) {
              resolve({
                success: true,
                files: downloadedFiles,
                message: `成功下载 ${downloadedFiles.length} 个文件`
              });
            } else {
              reject(new Error('所有文件下载失败'));
            }
          }
        }
      });
    });
  });
};