jay-code/src/cli/agents/architect.ts

Streamlined AI CLI orchestration engine with mathematical rigor and enterprise-grade reliability

/**
 * Architect Agent - Specialized in system design and architecture
 */

import { BaseAgent } from './base-agent.js';
import type {
  AgentCapabilities,
  AgentConfig,
  AgentEnvironment,
  TaskDefinition,
} from '../../swarm/types.js';
import type { ILogger } from '../../core/logger.js';
import type { IEventBus } from '../../core/event-bus.js';
import type { DistributedMemorySystem } from '../../memory/distributed-memory.js';

// Type definitions for architect analysis
interface ArchitectureIssue {
  category: string;
  severity: string;
  description: string;
  component: string;
  recommendation: string;
}

interface ArchitectureRecommendation {
  category: string;
  priority: string;
  description: string;
  benefits: string[];
  implementation: string;
}

interface ApiEndpoint {
  method: string;
  path: string;
  description: string;
  auth: boolean;
  rateLimit: string;
}

interface MicroserviceComponent {
  service: string;
  purpose: string;
}

interface ServiceComponent {
  name: string;
  responsibility: string;
  database: string;
  api: string;
  dependencies: string[];
}

interface DatabaseComponent {
  name: string;
  type: string;
  purpose: string;
  size: string;
}

interface InfrastructureComponent {
  name: string;
  type: string;
  purpose: string;
  specifications: any;
}

export class ArchitectAgent extends BaseAgent {
  constructor(
    id: string,
    config: AgentConfig,
    environment: AgentEnvironment,
    logger: ILogger,
    eventBus: IEventBus,
    memory: DistributedMemorySystem,
  ) {
    super(id, 'architect', config, environment, logger, eventBus, memory);
  }

  protected getDefaultCapabilities(): AgentCapabilities {
    return {
      codeGeneration: false,
      codeReview: true,
      testing: false,
      documentation: true,
      research: true,
      analysis: true,
      webSearch: true,
      apiIntegration: true,
      fileSystem: true,
      terminalAccess: false,
      languages: ['typescript', 'javascript', 'python', 'java', 'csharp', 'go', 'rust'],
      frameworks: [
        'microservices',
        'kubernetes',
        'docker',
        'aws',
        'azure',
        'gcp',
        'terraform',
        'helm',
      ],
      domains: [
        'system-architecture',
        'software-architecture',
        'cloud-architecture',
        'microservices-design',
        'api-design',
        'database-architecture',
        'security-architecture',
        'scalability-design',
        'infrastructure-design',
        'enterprise-architecture',
      ],
      tools: [
        'architecture-diagrams',
        'system-modeler',
        'design-patterns',
        'cloud-designer',
        'api-designer',
        'security-analyzer',
        'performance-modeler',
        'cost-calculator',
      ],
      maxConcurrentTasks: 2,
      maxMemoryUsage: 1024 * 1024 * 1024, // 1GB
      maxExecutionTime: 2400000, // 40 minutes
      reliability: 0.95,
      speed: 0.7,
      quality: 0.98,
    };
  }

  protected getDefaultConfig(): Partial<AgentConfig> {
    return {
      autonomyLevel: 0.6,
      learningEnabled: true,
      adaptationEnabled: true,
      maxTasksPerHour: 8,
      maxConcurrentTasks: 2,
      timeoutThreshold: 2400000,
      reportingInterval: 90000,
      heartbeatInterval: 20000,
      permissions: ['file-read', 'file-write', 'web-access', 'api-access', 'cloud-access'],
      trustedAgents: [],
      expertise: {
        'system-design': 0.98,
        'architecture-patterns': 0.95,
        scalability: 0.92,
        security: 0.88,
        performance: 0.9,
        'cloud-design': 0.87,
      },
      preferences: {
        architectureStyle: 'microservices',
        cloudProvider: 'multi',
        securityFirst: true,
        scalabilityFocus: true,
        documentationDetail: 'comprehensive',
      },
    };
  }

  override async executeTask(task: TaskDefinition): Promise<any> {
    this.logger.info('Architect executing task', {
      agentId: this.id,
      taskType: task.type,
      taskId: task.id,
    });

    try {
      switch (task.type) {
        case 'system-design':
          return await this.designSystem(task);
        case 'architecture-review':
          return await this.reviewArchitecture(task);
        case 'api-design':
          return await this.designAPI(task);
        case 'cloud-architecture':
          return await this.designCloudArchitecture(task);
        case 'microservices-design':
          return await this.designMicroservices(task);
        case 'security-architecture':
          return await this.designSecurity(task);
        case 'scalability-design':
          return await this.designScalability(task);
        case 'database-architecture':
          return await this.designDatabase(task);
        default:
          return await this.performGeneralDesign(task);
      }
    } catch (error) {
      this.logger.error('Architecture task failed', {
        agentId: this.id,
        taskId: task.id,
        error: error instanceof Error ? error.message : String(error),
      });
      throw error;
    }
  }

  private async designSystem(task: TaskDefinition): Promise<any> {
    const requirements = task.input?.requirements;
    const scale = task.input?.scale || 'medium';
    const constraints = task.input?.constraints || [];
    const style = task.input?.style || 'microservices';

    this.logger.info('Designing system', {
      requirements: requirements?.length || 0,
      scale,
      style,
    });

    const design = {
      requirements,
      scale,
      style,
      architecture: {
        components: [] as any[],
        services: [] as any[],
        databases: [] as any[],
        queues: [] as any[],
        caches: [] as any[],
      },
      patterns: [] as string[],
      technologies: {
        backend: [] as string[],
        frontend: [] as string[],
        database: [] as string[],
        infrastructure: [] as string[],
        monitoring: [] as string[],
      },
      diagrams: [],
      documentation: {
        overview: '',
        components: [],
        apis: [],
        deployment: '',
        monitoring: '',
      },
      constraints: constraints,
      tradeoffs: [],
      risks: [],
      recommendations: [],
      timestamp: new Date(),
    };

    // Store design progress
    await this.memory.store(
      `design:${task.id}:progress`,
      {
        status: 'designing',
        startTime: new Date(),
        requirements,
      },
      {
        type: 'design-progress',
        tags: ['architecture', this.id, style],
        partition: 'tasks',
      },
    );

    // Simulate system design
    await this.delay(5000);

    design.architecture.components = [
      {
        name: 'API Gateway',
        type: 'gateway',
        purpose: 'Request routing and load balancing',
        technology: 'Kong/NGINX',
      },
      {
        name: 'User Service',
        type: 'microservice',
        purpose: 'User management and authentication',
        technology: 'Node.js/Express',
      },
      {
        name: 'Data Service',
        type: 'microservice',
        purpose: 'Data processing and analytics',
        technology: 'Python/FastAPI',
      },
    ] as any[];

    design.patterns = [
      'Microservices Architecture',
      'API Gateway Pattern',
      'Database per Service',
      'Event Sourcing',
      'CQRS',
      'Circuit Breaker',
    ] as string[];

    design.technologies = {
      backend: ['Node.js', 'Python', 'TypeScript'] as string[],
      frontend: ['React', 'TypeScript'] as string[],
      database: ['PostgreSQL', 'Redis', 'MongoDB'] as string[],
      infrastructure: ['Kubernetes', 'Docker', 'AWS'] as string[],
      monitoring: ['Prometheus', 'Grafana', 'Jaeger'] as string[],
    };

    // Store final design
    await this.memory.store(`design:${task.id}:results`, design, {
      type: 'design-results',
      tags: ['architecture', 'completed', this.id, style],
      partition: 'tasks',
    });

    return design;
  }

  private async reviewArchitecture(task: TaskDefinition): Promise<any> {
    const architecture = task.parameters?.architecture;
    const focus = task.parameters?.focus || ['scalability', 'security', 'maintainability'];
    const standards = task.parameters?.standards || 'enterprise';

    this.logger.info('Reviewing architecture', {
      focus,
      standards,
    });

    const review = {
      architecture,
      focus,
      standards,
      scores: {},
      issues: [] as ArchitectureIssue[],
      recommendations: [] as ArchitectureRecommendation[],
      compliance: {
        passed: [] as any[],
        failed: [] as any[],
        warnings: [] as any[],
      },
      patterns: {
        identified: [] as any[],
        missing: [] as any[],
        antipatterns: [] as any[],
      },
      improvements: [] as any[],
      riskAssessment: {
        technical: [] as any[],
        security: [] as any[],
        operational: [] as any[],
      },
      timestamp: new Date(),
    };

    // Simulate architecture review
    await this.delay(4000);

    review.scores = {
      scalability: 0.85,
      security: 0.78,
      maintainability: 0.92,
      performance: 0.88,
      reliability: 0.9,
    };

    review.issues = [
      {
        category: 'security',
        severity: 'high',
        description: 'Missing API rate limiting',
        component: 'API Gateway',
        recommendation: 'Implement rate limiting and throttling',
      },
      {
        category: 'scalability',
        severity: 'medium',
        description: 'Single point of failure in auth service',
        component: 'Authentication Service',
        recommendation: 'Add redundancy and load balancing',
      },
    ];

    return review;
  }

  private async designAPI(task: TaskDefinition): Promise<any> {
    const domain = task.parameters?.domain;
    const style = task.parameters?.style || 'REST';
    const version = task.parameters?.version || 'v1';
    const auth = task.parameters?.auth || 'JWT';

    this.logger.info('Designing API', {
      domain,
      style,
      version,
      auth,
    });

    const apiDesign = {
      domain,
      style,
      version,
      auth,
      endpoints: [] as ApiEndpoint[],
      schemas: [] as any[],
      security: {
        authentication: auth,
        authorization: 'RBAC',
        rateLimiting: true,
        cors: true,
        validation: true,
      },
      documentation: {
        openapi: '3.0.0',
        interactive: true,
        examples: true,
      },
      standards: {
        naming: 'kebab-case',
        versioning: 'url-path',
        errorHandling: 'RFC7807',
        pagination: 'cursor-based',
      },
      performance: {
        caching: 'Redis',
        compression: 'gzip',
        cdn: true,
      },
      monitoring: {
        logging: true,
        metrics: true,
        tracing: true,
      },
      timestamp: new Date(),
    };

    // Simulate API design
    await this.delay(3000);

    apiDesign.endpoints = [
      {
        method: 'GET',
        path: '/api/v1/users',
        description: 'List users with pagination',
        auth: true,
        rateLimit: '1000/hour',
      },
      {
        method: 'POST',
        path: '/api/v1/users',
        description: 'Create new user',
        auth: true,
        rateLimit: '100/hour',
      },
    ];

    return apiDesign;
  }

  private async designCloudArchitecture(task: TaskDefinition): Promise<any> {
    const provider = task.parameters?.provider || 'AWS';
    const regions = task.parameters?.regions || ['us-east-1'];
    const budget = task.parameters?.budget;
    const compliance = task.parameters?.compliance || [];

    this.logger.info('Designing cloud architecture', {
      provider,
      regions,
      compliance,
    });

    const cloudDesign = {
      provider,
      regions,
      budget,
      compliance,
      infrastructure: {
        compute: [] as any[],
        storage: [] as any[],
        network: [] as any[],
        database: [] as any[],
        security: [] as any[],
      },
      services: [] as any[],
      deployment: {
        strategy: 'blue-green',
        automation: 'terraform',
        ci_cd: 'github-actions',
      },
      monitoring: {
        logging: 'cloudwatch',
        metrics: 'cloudwatch',
        alerting: 'sns',
        tracing: 'x-ray',
      },
      security: {
        iam: 'principle-of-least-privilege',
        network: 'vpc-with-private-subnets',
        encryption: 'at-rest-and-in-transit',
        secrets: 'parameter-store',
      },
      cost: {
        estimated: 0,
        optimization: [],
        monitoring: true,
      },
      timestamp: new Date(),
    };

    // Simulate cloud architecture design
    await this.delay(4500);

    cloudDesign.infrastructure.compute = [
      { service: 'EKS', purpose: 'Container orchestration' },
      { service: 'Lambda', purpose: 'Serverless functions' },
      { service: 'EC2', purpose: 'Virtual machines' },
    ];

    cloudDesign.cost.estimated = 2500; // monthly USD

    return cloudDesign;
  }

  private async designMicroservices(task: TaskDefinition): Promise<any> {
    const domain = task.parameters?.domain;
    const services = task.parameters?.services || [];
    const communication = task.parameters?.communication || 'async';
    const dataConsistency = task.parameters?.dataConsistency || 'eventual';

    this.logger.info('Designing microservices', {
      domain,
      servicesCount: services.length,
      communication,
      dataConsistency,
    });

    const microservicesDesign = {
      domain,
      communication,
      dataConsistency,
      services: [] as ServiceComponent[],
      patterns: {
        communication: ['API Gateway', 'Service Mesh', 'Event Bus'],
        data: ['Database per Service', 'Saga Pattern', 'CQRS'],
        resilience: ['Circuit Breaker', 'Retry', 'Timeout'],
        observability: ['Distributed Tracing', 'Centralized Logging'],
      },
      infrastructure: {
        serviceDiscovery: 'consul',
        loadBalancing: 'nginx',
        messaging: 'kafka',
        monitoring: 'prometheus',
      },
      deployment: {
        containerization: 'docker',
        orchestration: 'kubernetes',
        ci_cd: 'jenkins',
        configuration: 'helm',
      },
      challenges: [] as any[],
      solutions: [] as any[],
      timestamp: new Date(),
    };

    // Simulate microservices design
    await this.delay(4000);

    microservicesDesign.services = [
      {
        name: 'User Service',
        responsibility: 'User management',
        database: 'PostgreSQL',
        api: 'REST',
        dependencies: [] as string[],
      },
      {
        name: 'Order Service',
        responsibility: 'Order processing',
        database: 'MongoDB',
        api: 'REST + Events',
        dependencies: ['User Service', 'Payment Service'] as string[],
      },
    ];

    return microservicesDesign;
  }

  private async designSecurity(task: TaskDefinition): Promise<any> {
    const system = task.parameters?.system;
    const threats = task.parameters?.threats || [];
    const compliance = task.parameters?.compliance || [];
    const sensitivity = task.parameters?.sensitivity || 'medium';

    this.logger.info('Designing security architecture', {
      threats: threats.length,
      compliance,
      sensitivity,
    });

    const securityDesign = {
      system,
      sensitivity,
      compliance,
      threatModel: {
        assets: [] as any[],
        threats: [] as any[],
        vulnerabilities: [] as any[],
        risks: [] as any[],
      },
      controls: {
        preventive: [] as any[],
        detective: [] as any[],
        corrective: [] as any[],
      },
      architecture: {
        authentication: 'OAuth2 + JWT',
        authorization: 'RBAC + ABAC',
        encryption: 'AES-256',
        network: 'Zero Trust',
      },
      monitoring: {
        siem: true,
        ids: true,
        logging: 'centralized',
        alerting: 'real-time',
      },
      incidents: {
        response: 'automated',
        recovery: 'backup-restore',
        communication: 'stakeholder-notification',
      },
      timestamp: new Date(),
    };

    // Simulate security design
    await this.delay(3500);

    securityDesign.controls.preventive = [
      'Multi-factor Authentication',
      'API Rate Limiting',
      'Input Validation',
      'Access Controls',
      'Encryption at Rest',
    ];

    return securityDesign;
  }

  private async designScalability(task: TaskDefinition): Promise<any> {
    const currentLoad = task.parameters?.currentLoad;
    const targetLoad = task.parameters?.targetLoad;
    const constraints = task.parameters?.constraints || [];
    const budget = task.parameters?.budget;

    this.logger.info('Designing scalability', {
      currentLoad,
      targetLoad,
      constraints,
    });

    const scalabilityDesign = {
      currentLoad,
      targetLoad,
      constraints,
      budget,
      strategies: {
        horizontal: [] as any[],
        vertical: [] as any[],
        caching: [] as any[],
        database: [] as any[],
      },
      implementation: {
        autoScaling: true,
        loadBalancing: 'application',
        caching: 'multi-tier',
        cdn: 'global',
      },
      metrics: {
        latency: 'p99 < 100ms',
        throughput: '10000 rps',
        availability: '99.99%',
        errorRate: '< 0.1%',
      },
      testing: {
        loadTesting: true,
        stressTesting: true,
        chaosEngineering: true,
      },
      monitoring: {
        realTime: true,
        predictive: true,
        alerting: 'proactive',
      },
      timestamp: new Date(),
    };

    // Simulate scalability design
    await this.delay(3000);

    scalabilityDesign.strategies.horizontal = [
      'Kubernetes HPA',
      'Database Sharding',
      'Microservices Decomposition',
    ];

    return scalabilityDesign;
  }

  private async designDatabase(task: TaskDefinition): Promise<any> {
    const requirements = task.parameters?.requirements;
    const dataTypes = task.parameters?.dataTypes || ['relational'];
    const scale = task.parameters?.scale || 'medium';
    const consistency = task.parameters?.consistency || 'strong';

    this.logger.info('Designing database architecture', {
      dataTypes,
      scale,
      consistency,
    });

    const databaseDesign = {
      requirements,
      dataTypes,
      scale,
      consistency,
      databases: [] as DatabaseComponent[],
      patterns: {
        data: ['Database per Service', 'Shared Database', 'Data Lake'],
        consistency: ['ACID', 'BASE', 'Eventual Consistency'],
        scaling: ['Read Replicas', 'Sharding', 'Partitioning'],
      },
      technologies: {
        relational: ['PostgreSQL', 'MySQL'],
        document: ['MongoDB', 'DynamoDB'],
        cache: ['Redis', 'Memcached'],
        search: ['Elasticsearch', 'Solr'],
      },
      performance: {
        indexing: 'optimized',
        caching: 'multi-layer',
        partitioning: 'horizontal',
        replication: 'master-slave',
      },
      backup: {
        strategy: 'incremental',
        frequency: 'hourly',
        retention: '30-days',
        testing: 'monthly',
      },
      timestamp: new Date(),
    };

    // Simulate database design
    await this.delay(2500);

    databaseDesign.databases = [
      {
        name: 'Primary DB',
        type: 'PostgreSQL',
        purpose: 'Transactional data',
        size: '500GB',
      },
      {
        name: 'Cache',
        type: 'Redis',
        purpose: 'Session and application cache',
        size: '50GB',
      },
    ];

    return databaseDesign;
  }

  private async performGeneralDesign(task: TaskDefinition): Promise<any> {
    this.logger.info('Performing general design', {
      description: task.description,
    });

    // Default to system design
    return await this.designSystem(task);
  }

  private async delay(ms: number): Promise<void> {
    return new Promise((resolve) => setTimeout(resolve, ms));
  }

  override getAgentStatus(): any {
    return {
      ...super.getAgentStatus(),
      specialization: 'System Architecture & Design',
      architectureStyles: ['Microservices', 'Monolithic', 'Serverless', 'Event-Driven'],
      cloudProviders: ['AWS', 'Azure', 'GCP', 'Multi-Cloud'],
      designPatterns: ['Gang of Four', 'Enterprise', 'Cloud Native', 'Microservices'],
      currentDesigns: this.getCurrentTasks().length,
      averageDesignTime: '30-60 minutes',
      lastDesignCompleted: this.getLastTaskCompletedTime(),
      specializations: ['Cloud Architecture', 'Security Design', 'Scalability Planning'],
    };
  }
}

export const createArchitectAgent = (
  id: string,
  config: Partial<AgentConfig>,
  environment: Partial<AgentEnvironment>,
  logger: ILogger,
  eventBus: IEventBus,
  memory: DistributedMemorySystem,
): ArchitectAgent => {
  const defaultConfig = {
    autonomyLevel: 0.8,
    learningEnabled: true,
    adaptationEnabled: true,
    maxTasksPerHour: 12,
    maxConcurrentTasks: 3,
    timeoutThreshold: 300000,
    reportingInterval: 60000,
    heartbeatInterval: 30000,
    permissions: [
      'file-read',
      'file-write',
      'system-analysis',
      'architecture-design',
      'api-access',
    ],
    trustedAgents: [],
    expertise: {
      'system-architecture': 0.95,
      'cloud-architecture': 0.9,
      'microservices-design': 0.92,
      'api-design': 0.88,
      'database-architecture': 0.85,
      'security-architecture': 0.87,
    },
    preferences: {
      designMethodology: 'domain-driven',
      architecturalStyle: 'microservices',
      documentationLevel: 'comprehensive',
      reviewThoroughness: 'detailed',
    },
  };
  const defaultEnv = {
    runtime: 'deno' as const,
    version: '1.40.0',
    workingDirectory: './agents/architect',
    tempDirectory: './tmp/architect',
    logDirectory: './logs/architect',
    apiEndpoints: {},
    credentials: {},
    availableTools: [
      'architecture-diagrams',
      'system-modeler',
      'design-patterns',
      'cloud-designer',
    ],
    toolConfigs: {
      diagramTool: { format: 'svg', style: 'professional' },
      cloudDesigner: { provider: 'multi', compliance: true },
    },
  };

  return new ArchitectAgent(
    id,
    { ...defaultConfig, ...config } as AgentConfig,
    { ...defaultEnv, ...environment } as AgentEnvironment,
    logger,
    eventBus,
    memory,
  );
};