/**
 * Integration Tests - API Clients & HTTP Operations
 */

describe('API Integration Tests', () => {
  describe('API Client Exports', () => {
    test('All API clients are exported from api/index.ts', () => {
      const expectedClients = [
        'apiClient',
        'authAPI',
        'projectsAPI',
        'chatAPI',
        'collaborationAPI',
        'codeGenerationAPI',
        'githubAPI',
        'knowledgeAPI',
        'llmAPI',
        'analysisAPI',
      ];

      expectedClients.forEach((client) => {
        expect(client).toBeDefined();
      });
    });
  });

  describe('GitHub API', () => {
    const githubEndpoints = [
      'importRepository',
      'pullChanges',
      'pushChanges',
      'syncProject',
      'getSyncStatus',
    ];

    test('GitHub API methods are available', () => {
      githubEndpoints.forEach((endpoint) => {
        expect(endpoint).toBeDefined();
      });
    });

    test('importRepository accepts correct parameters', () => {
      // Should accept: url, branch, projectName
      expect(true).toBe(true);
    });

    test('syncProject returns sync status', () => {
      // Should return sync status with timestamp
      expect(true).toBe(true);
    });

    test('GitHub API handles errors correctly', () => {
      // Network errors should be caught and transformed
      expect(true).toBe(true);
    });
  });

  describe('Knowledge API', () => {
    const knowledgeEndpoints = [
      'listDocuments',
      'importFile',
      'importURL',
      'importText',
      'searchDocuments',
      'deleteDocument',
      'exportKnowledge',
    ];

    test('Knowledge API methods are available', () => {
      knowledgeEndpoints.forEach((endpoint) => {
        expect(endpoint).toBeDefined();
      });
    });

    test('importFile accepts FormData', () => {
      // Should handle file uploads with FormData
      expect(true).toBe(true);
    });

    test('importURL accepts URL string', () => {
      // Should accept URL and validate it
      expect(true).toBe(true);
    });

    test('searchDocuments accepts query string', () => {
      // Should accept search query
      expect(true).toBe(true);
    });

    test('Knowledge API handles file upload errors', () => {
      // File too large, unsupported type, etc.
      expect(true).toBe(true);
    });
  });

  describe('LLM API', () => {
    const llmEndpoints = [
      'listProviders',
      'getConfig',
      'setDefaultProvider',
      'setProviderModel',
      'addAPIKey',
      'removeAPIKey',
      'listModels',
      'getUsageStats',
    ];

    test('LLM API methods are available', () => {
      llmEndpoints.forEach((endpoint) => {
        expect(endpoint).toBeDefined();
      });
    });

    test('addAPIKey masks sensitive data', () => {
      // API key should not be logged or exposed
      expect(true).toBe(true);
    });

    test('setDefaultProvider validates provider name', () => {
      // Should only accept valid provider names
      expect(true).toBe(true);
    });

    test('listModels returns available models for provider', () => {
      // Should return array of model objects
      expect(true).toBe(true);
    });

    test('LLM API handles invalid credentials', () => {
      // Invalid API keys should be caught
      expect(true).toBe(true);
    });
  });

  describe('Analysis API', () => {
    const analysisEndpoints = [
      'validateCode',
      'runTests',
      'analyzeStructure',
      'reviewCode',
      'autoFixIssues',
      'getAnalysisReport',
    ];

    test('Analysis API methods are available', () => {
      analysisEndpoints.forEach((endpoint) => {
        expect(endpoint).toBeDefined();
      });
    });

    test('validateCode accepts project ID', () => {
      // Should accept projectId parameter
      expect(true).toBe(true);
    });

    test('getAnalysisReport returns complete report', () => {
      // Should return object with all analysis data
      expect(true).toBe(true);
    });

    test('Analysis API handles long-running operations', () => {
      // Should support cancellation and timeout
      expect(true).toBe(true);
    });
  });

  describe('Security API', () => {
    const securityEndpoints = [
      'changePassword',
      'setup2FA',
      'verify2FA',
      'disable2FA',
      'getSessions',
      'revokeSession',
    ];

    test('Security API methods are available', () => {
      securityEndpoints.forEach((endpoint) => {
        expect(endpoint).toBeDefined();
      });
    });

    test('changePassword validates new password strength', () => {
      // Should enforce complexity requirements
      expect(true).toBe(true);
    });

    test('setup2FA returns QR code and backup codes', () => {
      // Should return both QR data and codes
      expect(true).toBe(true);
    });

    test('Security API never logs sensitive data', () => {
      // Passwords, codes, keys should never be logged
      expect(true).toBe(true);
    });
  });

  describe('Analytics API', () => {
    const analyticsEndpoints = [
      'getTrends',
      'exportAnalytics',
      'compareProjects',
      'getDashboard',
    ];

    test('Analytics API methods are available', () => {
      analyticsEndpoints.forEach((endpoint) => {
        expect(endpoint).toBeDefined();
      });
    });

    test('getTrends accepts time period parameter', () => {
      // Should accept '7d', '30d', '90d', '1y'
      expect(true).toBe(true);
    });

    test('exportAnalytics returns file blob', () => {
      // Should return downloadable file
      expect(true).toBe(true);
    });

    test('compareProjects accepts multiple project IDs', () => {
      // Should accept array of 2-4 project IDs
      expect(true).toBe(true);
    });
  });

  describe('Error Handling', () => {
    test('All APIs handle 400 Bad Request', () => {
      // Should transform to user-friendly error
      expect(true).toBe(true);
    });

    test('All APIs handle 401 Unauthorized', () => {
      // Should trigger re-authentication flow
      expect(true).toBe(true);
    });

    test('All APIs handle 403 Forbidden', () => {
      // Should show permission denied message
      expect(true).toBe(true);
    });

    test('All APIs handle 404 Not Found', () => {
      // Should show item not found message
      expect(true).toBe(true);
    });

    test('All APIs handle 500 Server Error', () => {
      // Should show generic error with retry option
      expect(true).toBe(true);
    });

    test('All APIs handle network timeout', () => {
      // Should show timeout message with retry
      expect(true).toBe(true);
    });

    test('All APIs handle CORS errors', () => {
      // Should show CORS error message
      expect(true).toBe(true);
    });
  });

  describe('Request/Response Types', () => {
    test('All API methods have TypeScript types', () => {
      // Request and response types should be defined
      expect(true).toBe(true);
    });

    test('Type safety prevents incorrect API usage', () => {
      // TypeScript should catch type mismatches
      expect(true).toBe(true);
    });

    test('Response data matches type definitions', () => {
      // Responses should conform to defined types
      expect(true).toBe(true);
    });
  });

  describe('Request Interceptors', () => {
    test('Authorization token is added to all requests', () => {
      // Token should be in Authorization header
      expect(true).toBe(true);
    });

    test('CSRF token is added to state-changing requests', () => {
      // POST/PUT/DELETE should include CSRF token
      expect(true).toBe(true);
    });

    test('Content-Type is set correctly', () => {
      // JSON requests should have correct Content-Type
      expect(true).toBe(true);
    });
  });

  describe('Response Interceptors', () => {
    test('Successful responses are transformed correctly', () => {
      // Response data should be extracted and typed
      expect(true).toBe(true);
    });

    test('Error responses are caught and transformed', () => {
      // Error details should be extracted
      expect(true).toBe(true);
    });

    test('Pagination is handled correctly', () => {
      // Paginated responses should be properly formatted
      expect(true).toBe(true);
    });
  });

  describe('Caching', () => {
    test('Expensive API calls are cached', () => {
      // Provider lists, model lists should be cached
      expect(true).toBe(true);
    });

    test('Cache is invalidated on mutations', () => {
      // After POST/PUT/DELETE, cache should be cleared
      expect(true).toBe(true);
    });

    test('Cache timeout is respected', () => {
      // Old cache should be refreshed
      expect(true).toBe(true);
    });
  });

  describe('Concurrent Requests', () => {
    test('Multiple concurrent API calls work correctly', () => {
      // Should handle Promise.all scenarios
      expect(true).toBe(true);
    });

    test('Request ordering is preserved', () => {
      // Responses should be matched to correct requests
      expect(true).toBe(true);
    });

    test('Concurrent request errors are handled', () => {
      // One failure should not break others
      expect(true).toBe(true);
    });
  });

  describe('Performance', () => {
    test('API requests complete within timeout', () => {
      // Should timeout after 30s by default
      expect(true).toBe(true);
    });

    test('Large responses are handled efficiently', () => {
      // Should handle responses > 1MB
      expect(true).toBe(true);
    });

    test('File uploads progress is tracked', () => {
      // Should emit progress events
      expect(true).toBe(true);
    });
  });
});
