import { describe, it, expect, beforeEach, vi, afterEach } from 'vitest';
import { testClient } from 'hono/testing';
import { DataSource } from 'typeorm';
import { FileService } from '@/server/modules/files/file.service';
import { authMiddleware } from '@/server/middleware/auth.middleware';
import { fileApiRoutes } from '@/server/api';

vi.mock('@/server/modules/files/file.service');
vi.mock('@/server/middleware/auth.middleware');

describe('File API Integration Tests', () => {
  let client: ReturnType<typeof testClient<typeof fileApiRoutes>>['api']['v1'];
  const user1 = {
    id: 1,
    username: 'testuser',
    password: 'password123',
    phone: null,
    email: null,
    nickname: null,
    name: null,
    avatarFileId: null,
    avatarFile: null,
    isDisabled: 0,
    isDeleted: 0,
    roles: [],
    createdAt: new Date(),
    updatedAt: new Date()
  };
  const user1Response = {
    ...user1,
    createdAt: (user1.createdAt).toISOString(),
    updatedAt: (user1.updatedAt).toISOString()
  }

  beforeEach(async () => {
    vi.clearAllMocks();

    // Mock auth middleware to bypass authentication
    vi.mocked(authMiddleware).mockImplementation(async (_, next) => {
      _.set('user', user1)
      await next();
    });

    client = testClient(fileApiRoutes).api.v1;
  });

  afterEach(() => {
    vi.clearAllMocks();
  });

  describe('POST /api/v1/files/upload-policy', () => {
    it('should generate upload policy successfully', async () => {
      const mockFileData = {
        name: 'test.txt',
        type: 'text/plain',
        size: 1024,
        path: '/uploads/test.txt',
        description: 'Test file',
        uploadUserId: 1
      };

      const mockResponse = {
        file: {
          id: 1,
          ...mockFileData,
          path: '1/test-uuid-123-test.txt',
          uploadTime: (new Date()).toISOString(),
          createdAt: (new Date()).toISOString(),
          updatedAt: (new Date()).toISOString(),
          fullUrl: 'https://minio.example.com/d8dai/1/test-uuid-123-test.txt',
          uploadUser: user1Response,
          lastUpdated: null
        },
        uploadPolicy: {
          'x-amz-algorithm': 'AWS4-HMAC-SHA256',
          'x-amz-credential': 'test-credential',
          'x-amz-date': '20250101T120000Z',
          'x-amz-security-token': 'test-token',
          policy: 'test-policy',
          'x-amz-signature': 'test-signature',
          host: 'https://minio.example.com',
          key: '1/test-uuid-123-test.txt',
          bucket: 'd8dai'
        }
      };


      const mockCreateFile = vi.fn().mockResolvedValue(mockResponse);
      vi.mocked(FileService).mockImplementation(() => ({
        createFile: mockCreateFile
      } as unknown as FileService));
      const response = await client.files['upload-policy'].$post({
        json: mockFileData
      },
      {
        headers: {
          'Authorization': 'Bearer test-token'
        }
      });

      if (response.status !== 200) {
        const error = await response.json();
        console.debug('Error response:', JSON.stringify(error, null, 2));
        console.debug('Response status:', response.status);
      }
      expect(response.status).toBe(200);
      const result = await response.json();
      expect(result).toEqual(mockResponse);
      expect(mockCreateFile).toHaveBeenCalledWith({
        ...mockFileData,
        uploadTime: expect.any(Date),
        uploadUserId: 1
      });
    });

    it('should return 400 for invalid request data', async () => {
      const invalidData = {
        name: '', // Empty name
        type: 'text/plain'
      };

      const response = await client.files['upload-policy'].$post({
        json: invalidData
      },
      {
        headers: {
          'Authorization': 'Bearer test-token'
        }
      });

      expect(response.status).toBe(400);
    });

    // it('should handle service errors gracefully', async () => {
    //   const mockFileData = {
    //     name: 'test.txt',
    //     type: 'text/plain',
    //     uploadUserId: 1
    //   };

    //   mockFileService.createFile = vi.fn().mockRejectedValue(new Error('Service error'));

    //   const response = await client.files['upload-policy'].$post({
    //     json: mockFileData
    //   },
    //   {
    //     headers: {
    //       'Authorization': 'Bearer test-token'
    //     }
    //   });

    //   expect(response.status).toBe(500);
    // });
  });

  // describe('GET /api/v1/files/{id}/url', () => {
  //   it('should generate file access URL successfully', async () => {
  //     const mockUrl = 'https://minio.example.com/presigned-url';
  //     vi.mocked(mockFileService.getFileUrl).mockResolvedValue(mockUrl);

  //     const response = await client.files[':id']['url'].$get({
  //       param: { id: 1 }
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(200);
  //     const result = await response.json();
  //     expect(result).toEqual({ url: mockUrl });
  //     expect(mockFileService.getFileUrl).toHaveBeenCalledWith(1);
  //   });

  //   it('should return 404 when file not found', async () => {
  //     vi.mocked(mockFileService.getFileUrl).mockRejectedValue(new Error('文件不存在'));

  //     const response = await client.files[':id']['url'].$get({
  //       param: { id: 999 }
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(404);
  //   });
  // });

  // describe('GET /api/v1/files/{id}/download', () => {
  //   it('should generate file download URL successfully', async () => {
  //     const mockDownloadInfo = {
  //       url: 'https://minio.example.com/download-url',
  //       filename: 'test.txt'
  //     };
  //     vi.mocked(mockFileService.getFileDownloadUrl).mockResolvedValue(mockDownloadInfo);

  //     const response = await client.files[':id']['download'].$get({
  //       param: { id: 1 }
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(200);
  //     const result = await response.json();
  //     expect(result).toEqual(mockDownloadInfo);
  //     expect(mockFileService.getFileDownloadUrl).toHaveBeenCalledWith(1);
  //   });

  //   it('should return 404 when file not found for download', async () => {
  //     vi.mocked(mockFileService.getFileDownloadUrl).mockRejectedValue(new Error('文件不存在'));

  //     const response = await client.files[':id']['download'].$get({
  //       param: { id: 999 }
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(404);
  //   });
  // });

  // describe('DELETE /api/v1/files/{id}', () => {
  //   it('should delete file successfully', async () => {
  //     vi.mocked(mockFileService.deleteFile).mockResolvedValue(true);

  //     const response = await client.files[':id'].$delete({
  //       param: { id: 1 }
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(200);
  //     const result = await response.json();
  //     expect(result).toEqual({ success: true });
  //     expect(mockFileService.deleteFile).toHaveBeenCalledWith(1);
  //   });

  //   it('should return 404 when file not found for deletion', async () => {
  //     vi.mocked(mockFileService.deleteFile).mockRejectedValue(new Error('文件不存在'));

  //     const response = await client.files[':id'].$delete({
  //       param: { id: 999 }
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(404);
  //   });

  //   it('should handle deletion errors', async () => {
  //     vi.mocked(mockFileService.deleteFile).mockRejectedValue(new Error('删除失败'));

  //     const response = await client.files[':id'].$delete({
  //       param: { id: 1 }
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(500);
  //   });
  // });

  // describe('POST /api/v1/files/multipart-policy', () => {
  //   it('should generate multipart upload policy successfully', async () => {
  //     const mockRequestData = {
  //       fileKey: 'large-file.zip',
  //       totalSize: 1024 * 1024 * 100, // 100MB
  //       partSize: 1024 * 1024 * 20, // 20MB
  //       name: 'large-file.zip',
  //       type: 'application/zip',
  //       uploadUserId: 1
  //     };

  //     const mockResponse = {
  //       file: {
  //         id: 1,
  //         ...mockRequestData,
  //         path: '1/test-uuid-123-large-file.zip',
  //         description: null,
  //         uploadUser: {} as any,
  //         uploadTime: new Date(),
  //         lastUpdated: null,
  //         createdAt: new Date(),
  //         updatedAt: new Date(),
  //         fullUrl: Promise.resolve('https://minio.example.com/d8dai/1/test-uuid-123-large-file.zip')
  //       },
  //       uploadId: 'upload-123',
  //       uploadUrls: ['url1', 'url2', 'url3', 'url4', 'url5'],
  //       bucket: 'd8dai',
  //       key: '1/test-uuid-123-large-file.zip'
  //     };

  //     vi.mocked(mockFileService.createMultipartUploadPolicy).mockResolvedValue(mockResponse);

  //     const response = await client.files['multipart-policy'].$post({
  //       json: mockRequestData
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(200);
  //     const result = await response.json();
  //     expect(result).toEqual(mockResponse);
  //     expect(mockFileService.createMultipartUploadPolicy).toHaveBeenCalledWith(
  //       {
  //         name: 'large-file.zip',
  //         type: 'application/zip',
  //         size: 104857600,
  //         uploadUserId: 1
  //       },
  //       5
  //     );
  //   });

  //   it('should validate multipart policy request data', async () => {
  //     const invalidData = {
  //       name: 'test.zip',
  //       // Missing required fields: fileKey, totalSize, partSize
  //     };

  //     const response = await client.files['multipart-policy'].$post({
  //       json: invalidData
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(400);
  //   });
  // });

  // describe('POST /api/v1/files/multipart-complete', () => {
  //   it('should complete multipart upload successfully', async () => {
  //     const mockCompleteData = {
  //       uploadId: 'upload-123',
  //       bucket: 'd8dai',
  //       key: '1/test-file.zip',
  //       parts: [
  //         { partNumber: 1, etag: 'etag1' },
  //         { partNumber: 2, etag: 'etag2' }
  //       ]
  //     };

  //     const mockResponse = {
  //       fileId: 1,
  //       url: 'https://minio.example.com/file.zip',
  //       key: '1/test-file.zip',
  //       size: 2048
  //     };

  //     vi.mocked(mockFileService.completeMultipartUpload).mockResolvedValue(mockResponse);

  //     const response = await client.files['multipart-complete'].$post({
  //       json: mockCompleteData
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(200);
  //     const result = await response.json();
  //     expect(result).toEqual(mockResponse);
  //     expect(mockFileService.completeMultipartUpload).toHaveBeenCalledWith(mockCompleteData);
  //   });

  //   it('should validate complete multipart request data', async () => {
  //     const invalidData = {
  //       uploadId: 'upload-123',
  //       // Missing required fields: bucket, key, parts
  //     };

  //     const response = await client.files['multipart-complete'].$post({
  //       json: invalidData
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(400);
  //   });

  //   it('should handle completion errors', async () => {
  //     const completeData = {
  //       uploadId: 'upload-123',
  //       bucket: 'd8dai',
  //       key: '1/test-file.zip',
  //       parts: [{ partNumber: 1, etag: 'etag1' }]
  //     };

  //     vi.mocked(mockFileService.completeMultipartUpload).mockRejectedValue(new Error('Completion failed'));

  //     const response = await client.files['multipart-complete'].$post({
  //       json: completeData
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(500);
  //   });
  // });

  // describe('CRUD Operations', () => {
  //   it('should list files successfully', async () => {
  //     const mockFiles = [
  //       {
  //         id: 1,
  //         name: 'file1.txt',
  //         type: 'text/plain',
  //         size: 1024,
  //         uploadUserId: 1
  //       },
  //       {
  //         id: 2,
  //         name: 'file2.txt',
  //         type: 'text/plain',
  //         size: 2048,
  //         uploadUserId: 1
  //       }
  //     ];

  //     vi.spyOn(mockFileService, 'getList').mockResolvedValue([mockFiles as File[], mockFiles.length]);

  //     const response = await client.files.$get({
  //       query: {}
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(200);
  //     const result = await response.json();
  //     expect(result).toEqual(mockFiles);
  //   });

  //   it('should get file by ID successfully', async () => {
  //     const mockFile = {
  //       id: 1,
  //       name: 'file.txt',
  //       type: 'text/plain',
  //       size: 1024,
  //       uploadUserId: 1
  //     };

  //     vi.spyOn(mockFileService, 'getById').mockResolvedValue(mockFile as File);

  //     const response = await client.files[':id'].$get({
  //       param: { id: 1 }
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(200);
  //     const result = await response.json();
  //     expect(result).toEqual(mockFile);
  //   });

  //   it('should search files successfully', async () => {
  //     const mockFiles = [
  //       {
  //         id: 1,
  //         name: 'document.pdf',
  //         type: 'application/pdf',
  //         size: 1024,
  //         uploadUserId: 1
  //       }
  //     ];

  //     vi.spyOn(mockFileService, 'getList').mockResolvedValue([mockFiles as File[], mockFiles.length]);

  //     const response = await client.files.$get({
  //       query: { keyword: 'document' }
  //     },
  //     {
  //       headers: {
  //         'Authorization': 'Bearer test-token'
  //       }
  //     });

  //     expect(response.status).toBe(200);
  //     const result = await response.json();
  //     expect(result).toEqual(mockFiles);
  //     expect(mockFileService.getList).toHaveBeenCalledWith(1, 10, 'document', ['name', 'type', 'description'], undefined, [], {}, undefined);
  //   });
  // });
});