import { describe, it, expect, beforeAll, afterAll } from '@jest/globals';

describe('System Architecture Validation', () => {
  let systemHealth: any;
  let serviceStatus: any;

  beforeAll(async () => {
    console.log('🚀 Starting System Architecture Validation...');
  });

  afterAll(() => {
    console.log('✅ System Architecture Validation Completed');
  });

  describe('Core Services Availability', () => {
    it('should have all required core services', () => {
      const requiredServices = [
        'AuthService',
        'ProductService', 
        'OrderService',
        'PricingService',
        'BillingService',
        'TenantService',
        'AnalyticsService',
        'ReportService'
      ];

      const missingServices = requiredServices.filter(service => {
        return !systemHealth?.services?.includes(service);
      });

      expect(missingServices).toHaveLength(0);
    });

    it('should have all AI services available', () => {
      const aiServices = [
        'AINativeCommerceService',
        'ChatBotService',
        'DynamicPricingAGIService',
        'MerchantAnalysisService',
        'ReturnAnalysisService',
        'RecommendationService'
      ];

      const missingAIServices = aiServices.filter(service => {
        return !systemHealth?.aiServices?.includes(service);
      });

      expect(missingAIServices).toHaveLength(0);
    });

    it('should have all governance services', () => {
      const governanceServices = [
        'RBACEngine',
        'QuotaGovernanceService',
        'GuardrailService',
        'DataComplianceService',
        'FeatureToggleService'
      ];

      const missingGovernanceServices = governanceServices.filter(service => {
        return !systemHealth?.governanceServices?.includes(service);
      });

      expect(missingGovernanceServices).toHaveLength(0);
    });
  });

  describe('Database Schema Validation', () => {
    it('should have all required tables with cf_ prefix', () => {
      const requiredTables = [
        'cf_product',
        'cf_order',
        'cf_customer',
        'cf_tenant',
        'cf_shop',
        'cf_invoice',
        'cf_settlement',
        'cf_compliance_record',
        'cf_certificate'
      ];

      const invalidTables = requiredTables.filter(table => !table.startsWith('cf_'));
      expect(invalidTables).toHaveLength(0);
    });

    it('should have decimal fields for monetary values', () => {
      const monetaryFields = [
        'totalAmount',
        'unitPrice',
        'shippingCost',
        'taxAmount',
        'discountAmount'
      ];

      monetaryFields.forEach(field => {
        expect(systemHealth?.schema?.monetaryFields?.includes(field)).toBe(true);
      });
    });

    it('should have five-tuple tracking in all business tables', () => {
      const requiredFields = [
        'tenantId',
        'shopId', 
        'taskId',
        'traceId',
        'businessType'
      ];

      const businessTables = [
        'cf_product',
        'cf_order',
        'cf_invoice',
        'cf_settlement'
      ];

      businessTables.forEach(table => {
        requiredFields.forEach(field => {
          expect(systemHealth?.schema?.tables?.[table]?.fields?.includes(field)).toBe(true);
        });
      });
    });
  });

  describe('API Integration Validation', () => {
    it('should have all platform connectors', () => {
      const platforms = [
        'AmazonConnector',
        'eBayConnector',
        'ShopifyConnector',
        'ShopeeConnector',
        'TikTokConnector',
        'AliExpressConnector'
      ];

      const missingConnectors = platforms.filter(platform => {
        return !systemHealth?.connectors?.includes(platform);
      });

      expect(missingConnectors).toHaveLength(0);
    });

    it('should have all required API endpoints', () => {
      const requiredEndpoints = [
        '/api/auth/login',
        '/api/products',
        '/api/orders',
        '/api/pricing',
        '/api/billing',
        '/api/analytics',
        '/api/reports',
        '/api/tenants'
      ];

      requiredEndpoints.forEach(endpoint => {
        expect(systemHealth?.apiEndpoints?.includes(endpoint)).toBe(true);
      });
    });
  });

  describe('Frontend-Backend Integration', () => {
    it('should have all required frontend pages', () => {
      const requiredPages = [
        'DashboardPage',
        'ProductPage',
        'OrdersPage',
        'TaskCenter',
        'CompliancePage',
        'SettingsPage',
        'AnalyticsPage',
        'ReportsPage'
      ];

      const missingPages = requiredPages.filter(page => {
        return !systemHealth?.frontend?.pages?.includes(page);
      });

      expect(missingPages).toHaveLength(0);
    });

    it('should have all required components', () => {
      const requiredComponents = [
        'MenuComponent',
        'ComponentLibrary',
        'ResponsiveLayout',
        'LazyLoad',
        'VirtualList'
      ];

      const missingComponents = requiredComponents.filter(component => {
        return !systemHealth?.frontend?.components?.includes(component);
      });

      expect(missingComponents).toHaveLength(0);
    });
  });

  describe('Runtime Architecture Validation', () => {
    it('should have event bus configured', () => {
      expect(systemHealth?.runtime?.eventBus).toBeDefined();
      expect(systemHealth?.runtime?.eventBus?.status).toBe('active');
    });

    it('should have queue system operational', () => {
      expect(systemHealth?.runtime?.queue).toBeDefined();
      expect(systemHealth?.runtime?.queue?.status).toBe('operational');
    });

    it('should have scheduler running', () => {
      expect(systemHealth?.runtime?.scheduler).toBeDefined();
      expect(systemHealth?.runtime?.scheduler?.status).toBe('running');
    });

    it('should have WebSocket server active', () => {
      expect(systemHealth?.runtime?.websocket).toBeDefined();
      expect(systemHealth?.runtime?.websocket?.status).toBe('connected');
    });
  });

  describe('Security and Compliance', () => {
    it('should have RBAC properly configured', () => {
      const requiredRoles = [
        'ADMIN',
        'MANAGER',
        'OPERATOR',
        'FINANCE',
        'SOURCING',
        'LOGISTICS',
        'ANALYST'
      ];

      requiredRoles.forEach(role => {
        expect(systemHealth?.security?.roles?.includes(role)).toBe(true);
      });
    });

    it('should have all security guards active', () => {
      const requiredGuards = [
        'rbac.guard',
        'service.guard',
        'sla.guard',
        'state-transition.guard',
        'trace-context.guard'
      ];

      requiredGuards.forEach(guard => {
        expect(systemHealth?.security?.guards?.includes(guard)).toBe(true);
      });
    });

    it('should have compliance monitoring enabled', () => {
      expect(systemHealth?.security?.complianceMonitoring).toBe(true);
      expect(systemHealth?.security?.auditLogging).toBe(true);
    });
  });

  describe('Performance and Scalability', () => {
    it('should have caching configured', () => {
      expect(systemHealth?.performance?.cache).toBeDefined();
      expect(systemHealth?.performance?.cache?.status).toBe('enabled');
    });

    it('should have database indexing optimized', () => {
      expect(systemHealth?.performance?.databaseIndexing).toBe('optimized');
    });

    it('should have load balancing configured', () => {
      expect(systemHealth?.performance?.loadBalancing).toBe('enabled');
    });

    it('should have monitoring and alerting active', () => {
      expect(systemHealth?.performance?.monitoring).toBe('active');
      expect(systemHealth?.performance?.alerting).toBe('enabled');
    });
  });

  describe('Plugin System Validation', () => {
    it('should have plugin manager operational', () => {
      expect(systemHealth?.plugins?.manager).toBeDefined();
      expect(systemHealth?.plugins?.manager?.status).toBe('operational');
    });

    it('should have required plugin types', () => {
      const pluginTypes = [
        'AdOperation',
        'B2BTrade',
        'LogisticsSync',
        'DataCollection',
        'Automation'
      ];

      pluginTypes.forEach(type => {
        expect(systemHealth?.plugins?.types?.includes(type)).toBe(true);
      });
    });
  });

  describe('Documentation and Configuration', () => {
    it('should have all required documentation', () => {
      const requiredDocs = [
        'Business_Blueprint.md',
        'Business_ClosedLoops.md',
        'System_Architecture.md',
        'SERVICE_MAP.md',
        'STATE_MACHINE.md',
        'API_Specs',
        'Frontend_Design.md'
      ];

      const missingDocs = requiredDocs.filter(doc => {
        return !systemHealth?.documentation?.includes(doc);
      });

      expect(missingDocs).toHaveLength(0);
    });

    it('should have environment configuration validated', () => {
      expect(systemHealth?.configuration?.env).toBeDefined();
      expect(systemHealth?.configuration?.database).toBeDefined();
      expect(systemHealth?.configuration?.redis).toBeDefined();
    });
  });
});