import { config } from '../../config/env';
import { fileStorageService } from '../../services/fileStorageService';

// Mock environment variables
const originalEnv = process.env;

describe('Deployment Configuration Tests', () => {
  beforeEach(() => {
    jest.resetModules();
    process.env = { ...originalEnv };
  });

  afterAll(() => {
    process.env = originalEnv;
  });

  describe('Environment Configuration', () => {
    it('should have required GCS configuration', () => {
      expect(config.googleCloud).toBeDefined();
      expect(config.googleCloud.gcsBucketName).toBeDefined();
      expect(config.googleCloud.projectId).toBeDefined();
      expect(config.googleCloud.applicationCredentials).toBeDefined();
    });

    it('should not have local storage configuration', () => {
      // Verify no local storage paths are configured
      expect(config.upload?.uploadDir).toContain('/tmp/');
      expect(config.upload?.maxFileSize).toBeDefined();
    });

    it('should have proper database configuration', () => {
      expect(config.supabase).toBeDefined();
      expect(config.supabase.url).toBeDefined();
    });

    it('should have proper authentication configuration', () => {
      expect(config.jwt).toBeDefined();
      expect(config.jwt.secret).toBeDefined();
    });
  });

  describe('GCS Service Configuration', () => {
    it('should initialize GCS service with proper configuration', async () => {
      const testConnection = await fileStorageService.testConnection();
      expect(typeof testConnection).toBe('boolean');
    });

    it('should have proper bucket configuration', () => {
      expect(config.googleCloud.gcsBucketName).toMatch(/^[a-z0-9-]+$/);
      expect(config.googleCloud.projectId).toMatch(/^[a-z0-9-]+$/);
    });
  });

  describe('Cloud-Only Architecture Validation', () => {
    it('should not reference local file system paths', () => {
      // This test ensures no local file system operations are configured
      const configString = JSON.stringify(config);
      expect(configString).not.toContain('/uploads/');
      expect(configString).not.toContain('localPath');
    });

    it('should have cloud service configurations', () => {
      expect(config.googleCloud).toBeDefined();
      expect(config.supabase).toBeDefined();
      expect(config.redis).toBeDefined();
    });
  });
});