import { defHttp } from '@/utils/http/axios';
import { ID, IDS, commonExport } from '@/api/base';
import { DocumentTaskResultsVO, DocumentTaskResultsForm, DocumentTaskResultsQuery } from './model';
import { message } from 'ant-design-vue';

interface DownloadOptions {
  filename?: string;
  mimeType?: string;
}

/**
 * 通用文件下载函数
 * @param url 下载地址
 * @param onError 错误处理回调
 * @returns Promise<boolean> 下载是否成功
 */
export async function useDownload(
  url: string,
  onError?: (error: any) => void
): Promise<boolean> {
  try {
    const response = await defHttp.get(
      { 
        url,
        responseType: 'blob',
        timeout: 60000, // 设置较长的超时时间
      },
      { 
        isReturnNativeResponse: true,
        // 自定义错误处理
        errorMessageMode: 'none',
      }
    );

    // 检查响应类型
    const contentType = response.headers['content-type'];
    if (contentType && contentType.includes('application/json')) {
      // 如果返回的是JSON（通常是错误信息），转换并抛出
      const reader = new FileReader();
      reader.onload = () => {
        const error = JSON.parse(reader.result as string);
        message.error(error.message || '下载失败');
        onError?.(error);
      };
      reader.readAsText(response.data);
      return false;
    }

    // 获取文件名
    const contentDisposition = response.headers['content-disposition'];
    let fileName = '';
    
    if (contentDisposition) {
      const matches = contentDisposition.match(/filename[^;=\n]*=((['"]).*?\2|[^;\n]*)/);
      if (matches && matches[1]) {
        fileName = decodeURIComponent(matches[1].replace(/['"]/g, ''));
      }
    }

    // 创建Blob对象
    const blob = new Blob([response.data], { 
      type: contentType || 'application/octet-stream'
    });

    if (window.navigator && window.navigator.msSaveOrOpenBlob) {
      // 针对IE的处理
      window.navigator.msSaveOrOpenBlob(blob, fileName);
    } else {
      // 现代浏览器的处理
      const url = window.URL.createObjectURL(blob);
      const link = document.createElement('a');
      link.href = url;
      link.download = fileName;
      link.style.display = 'none';
      document.body.appendChild(link);
      link.click();
      document.body.removeChild(link);
      window.URL.revokeObjectURL(url);
    }

    return true;
  } catch (error: any) {
    console.error('下载失败:', error);
    message.error(error.message || '下载失败，请稍后重试');
    onError?.(error);
    return false;
  }
}

/**
 * 查询文档任务结果列表
 * @param params
 * @returns
 */
export function DocumentTaskResultsList(params?: DocumentTaskResultsQuery) {
  return defHttp.get<DocumentTaskResultsVO[]>({ url: '/productManagement/DocumentTaskResults/list', params });
}

/**
 * 导出文档任务结果列表
 * @param params
 * @returns
 */
export function DocumentTaskResultsExport(params?: DocumentTaskResultsQuery) {
  return commonExport('/productManagement/DocumentTaskResults/export', params ?? {});
}

/**
 * 查询文档任务结果详细
 * @param id id
 * @returns
 */
export function DocumentTaskResultsInfo(id: ID) {
  return defHttp.get<DocumentTaskResultsVO>({ url: '/productManagement/DocumentTaskResults/' + id });
}
/**
 * 根据任务id查询文档任务结果详细
 * @param id id
 * @returns
 */
export function DocumentTaskResultsInfoByTaskId(id: ID) {
  return defHttp.get<DocumentTaskResultsVO>({ url: '/productManagement/DocumentTaskResults/task/' + id });
}
/**
 * 新增文档任务结果
 * @param data
 * @returns
 */
export function DocumentTaskResultsAdd(data: DocumentTaskResultsForm) {
  return defHttp.postWithMsg<void>({ url: '/productManagement/DocumentTaskResults', data });
}

/**
 * 更新文档任务结果
 * @param data
 * @returns
 */
export function DocumentTaskResultsUpdate(data: DocumentTaskResultsForm) {
  return defHttp.putWithMsg<void>({ url: '/productManagement/DocumentTaskResults', data });
}

/**
 * 删除文档任务结果
 * @param id id
 * @returns
 */
export function DocumentTaskResultsRemove(id: ID | IDS) {
  return defHttp.deleteWithMsg<void>({ url: '/productManagement/DocumentTaskResults/' + id },);
}
  /**
 * 下载文档任务结果
 * @param id id
 * @returns
 */
  export function DocumentTaskResultDownload(id: ID | IDS) {
    return useDownload(`/productManagement/DocumentTaskResults/downloadResult/${id}`);

    // return defHttp.get<void>({ url: '/productManagement/DocumentTaskResults/downloadResult/' + id ,responseType: 'blob',headers: { 'Content-Type': ContentTypeEnum.FORM_URLENCODED }},);
  }