import { jest } from '@jest/globals';

jest.unstable_mockModule('../../../database/database.js', () => ({
  listObjects: jest.fn(),
  getObject: jest.fn(),
  editObject: jest.fn(),
  newObject: jest.fn(),
  deleteObject: jest.fn(),
  listObjectsByProperties: jest.fn(),
  flushFile: jest.fn(),
  getModelStats: jest.fn(),
  getModelHistory: jest.fn(),
}));

jest.unstable_mockModule('../../../database/schemas/management/file.schema.js', () => ({
  fileModel: { modelName: 'File' },
}));

jest.unstable_mockModule('../../../database/ceph.js', () => ({
  uploadFile: jest.fn(),
  downloadFile: jest.fn(),
  deleteFile: jest.fn(),
  BUCKETS: { FILES: 'test-bucket' },
}));

jest.unstable_mockModule('../../../utils.js', () => ({
  getFileMeta: jest.fn(),
}));

jest.unstable_mockModule('multer', () => {
  const mockMemoryStorage = jest.fn();
  const mockMulter = jest.fn(() => ({
    single: jest.fn(),
  }));
  mockMulter.memoryStorage = mockMemoryStorage;
  return {
    default: mockMulter,
    memoryStorage: mockMemoryStorage,
  };
});

jest.unstable_mockModule('log4js', () => ({
  default: {
    getLogger: () => ({
      level: 'info',
      debug: jest.fn(),
      error: jest.fn(),
      warn: jest.fn(),
      trace: jest.fn(),
    }),
  },
}));

const {
  listFilesRouteHandler,
  getFileRouteHandler,
  editFileRouteHandler,
  flushFileRouteHandler,
} = await import('../files.js');

const { listObjects, getObject, editObject, flushFile } = await import(
  '../../../database/database.js'
);
const { fileModel } = await import('../../../database/schemas/management/file.schema.js');

describe('File Service Route Handlers', () => {
  let req, res;

  beforeEach(() => {
    req = {
      params: {},
      query: {},
      body: {},
      user: { id: 'test-user-id' },
    };
    res = {
      send: jest.fn(),
      status: jest.fn().mockReturnThis(),
    };
    jest.clearAllMocks();
  });

  describe('listFilesRouteHandler', () => {
    it('should list files', async () => {
      const mockResult = [{ _id: '1', name: 'file.pdf' }];
      listObjects.mockResolvedValue(mockResult);

      await listFilesRouteHandler(req, res);

      expect(listObjects).toHaveBeenCalledWith(expect.objectContaining({ model: fileModel }));
      expect(res.send).toHaveBeenCalledWith(mockResult);
    });
  });

  describe('getFileRouteHandler', () => {
    it('should get a file by ID', async () => {
      req.params.id = '123';
      const mockFile = { _id: '123', name: 'test.pdf' };
      getObject.mockResolvedValue(mockFile);

      await getFileRouteHandler(req, res);

      expect(getObject).toHaveBeenCalledWith(expect.objectContaining({ id: '123' }));
      expect(res.send).toHaveBeenCalledWith(mockFile);
    });
  });

  describe('flushFileRouteHandler', () => {
    it('should flush/delete a file', async () => {
      req.params.id = '507f1f77bcf86cd799439011';
      const mockResult = { success: true };
      flushFile.mockResolvedValue(mockResult);

      await flushFileRouteHandler(req, res);

      expect(flushFile).toHaveBeenCalledWith(
        expect.objectContaining({ id: '507f1f77bcf86cd799439011' })
      );
      expect(res.send).toHaveBeenCalledWith(mockResult);
    });
  });
});