/**
 * Advanced Swarm Orchestration Engine
 * 
 * This is the core orchestration engine that manages swarm lifecycle,
 * agent coordination, task distribution, and result aggregation.
 * It integrates with existing MCP tools and provides production-ready
 * swarm collaboration capabilities.
 */

import { EventEmitter } from 'node:events';
import { performance } from 'node:perf_hooks';
import { Logger } from '../core/logger.js';
import { generateId } from '../utils/helpers.js';
import { SwarmCoordinator } from '../coordination/swarm-coordinator.js';
import { AdvancedTaskScheduler } from '../coordination/advanced-scheduler.js';
import { SwarmMonitor } from '../coordination/swarm-monitor.js';
import { MemoryManager } from '../memory/manager.js';
import TaskExecutor from './executor.js';
import {
  SwarmConfig,
  SwarmObjective,
  SwarmAgent,
  SwarmTask,
  SwarmId,
  AgentId,
  TaskId,
  SwarmStatus,
  SwarmProgress,
  SwarmResults,
  SwarmMetrics,
  TaskDefinition,
  AgentState,
  AgentCapabilities,
  TaskResult,
  SwarmEvent,
  EventType,
  SWARM_CONSTANTS,
} from './types.js';

export interface AdvancedSwarmConfig extends SwarmConfig {
  // Advanced features
  autoScaling: boolean;
  loadBalancing: boolean;
  faultTolerance: boolean;
  realTimeMonitoring: boolean;
  
  // Performance settings
  maxThroughput: number;
  latencyTarget: number;
  reliabilityTarget: number;
  
  // Integration settings
  mcpIntegration: boolean;
  hiveIntegration: boolean;
  claudeCodeIntegration: boolean;
  
  // Neural capabilities
  neuralProcessing: boolean;
  learningEnabled: boolean;
  adaptiveScheduling: boolean;
}

export interface SwarmExecutionContext {
  swarmId: SwarmId;
  objective: SwarmObjective;
  agents: Map<string, SwarmAgent>;
  tasks: Map<string, SwarmTask>;
  scheduler: AdvancedTaskScheduler;
  monitor: SwarmMonitor;
  memoryManager: MemoryManager;
  taskExecutor: TaskExecutor;
  startTime: Date;
  endTime?: Date;
  metrics: SwarmMetrics;
}

export interface SwarmDeploymentOptions {
  environment: 'development' | 'staging' | 'production';
  region?: string;
  resourceLimits?: {
    maxAgents: number;
    maxMemory: number;
    maxCpu: number;
    maxDisk: number;
  };
  networking?: {
    allowedPorts: number[];
    firewallRules: string[];
  };
  security?: {
    encryption: boolean;
    authentication: boolean;
    auditing: boolean;
  };
}

export class AdvancedSwarmOrchestrator extends EventEmitter {
  private logger: Logger;
  private config: AdvancedSwarmConfig;
  private activeSwarms: Map<string, SwarmExecutionContext> = new Map();
  private globalMetrics: SwarmMetrics;
  private coordinator: SwarmCoordinator;
  private memoryManager: MemoryManager;
  private isRunning: boolean = false;
  private healthCheckInterval?: NodeJS.Timeout;
  private metricsCollectionInterval?: NodeJS.Timeout;

  constructor(config: Partial<AdvancedSwarmConfig> = {}) {
    super();
    
    this.logger = new Logger('AdvancedSwarmOrchestrator');
    this.config = this.createDefaultConfig(config);
    
    // Initialize components
    this.coordinator = new SwarmCoordinator({
      maxAgents: this.config.maxAgents,
      maxConcurrentTasks: this.config.maxConcurrentTasks,
      taskTimeout: this.config.taskTimeoutMinutes! * 60 * 1000,
      enableMonitoring: this.config.realTimeMonitoring,
      coordinationStrategy: this.config.coordinationStrategy.name as any,
    });

    this.memoryManager = new MemoryManager(
      {
        backend: 'sqlite',
        namespace: 'swarm-orchestrator',
        cacheSizeMB: 100,
        syncOnExit: true,
        maxEntries: 50000,
        ttlMinutes: 1440, // 24 hours
      },
      this.coordinator,
      this.logger,
    );

    this.globalMetrics = this.initializeMetrics();
    this.setupEventHandlers();
  }

  /**
   * Initialize the orchestrator and all subsystems
   */
  async initialize(): Promise<void> {
    if (this.isRunning) {
      this.logger.warn('Orchestrator already running');
      return;
    }

    this.logger.info('Initializing advanced swarm orchestrator...');
    
    try {
      // Initialize subsystems
      await this.coordinator.start();
      await this.memoryManager.initialize();
      
      // Start background processes
      this.startHealthChecks();
      this.startMetricsCollection();
      
      this.isRunning = true;
      this.logger.info('Advanced swarm orchestrator initialized successfully');
      this.emit('orchestrator:initialized');
      
    } catch (error) {
      this.logger.error('Failed to initialize orchestrator', error);
      throw error;
    }
  }

  /**
   * Shutdown the orchestrator gracefully
   */
  async shutdown(): Promise<void> {
    if (!this.isRunning) {
      return;
    }

    this.logger.info('Shutting down advanced swarm orchestrator...');
    
    try {
      // Stop background processes
      if (this.healthCheckInterval) {
        clearInterval(this.healthCheckInterval);
      }
      if (this.metricsCollectionInterval) {
        clearInterval(this.metricsCollectionInterval);
      }

      // Shutdown active swarms gracefully
      const shutdownPromises = Array.from(this.activeSwarms.keys()).map(
        swarmId => this.stopSwarm(swarmId, 'Orchestrator shutdown')
      );
      await Promise.allSettled(shutdownPromises);

      // Shutdown subsystems
      await this.coordinator.stop();

      this.isRunning = false;
      this.logger.info('Advanced swarm orchestrator shut down successfully');
      this.emit('orchestrator:shutdown');
      
    } catch (error) {
      this.logger.error('Error during orchestrator shutdown', error);
      throw error;
    }
  }

  /**
   * Create and initialize a new swarm for a given objective
   */
  async createSwarm(
    objective: string,
    strategy: SwarmObjective['strategy'] = 'auto',
    options: Partial<SwarmDeploymentOptions> = {}
  ): Promise<string> {
    const swarmId = generateId('swarm');
    const swarmObjective: SwarmObjective = {
      id: swarmId,
      name: `Swarm-${swarmId}`,
      description: objective,
      strategy,
      mode: this.config.mode,
      requirements: {
        minAgents: 1,
        maxAgents: this.config.maxAgents,
        agentTypes: this.getRequiredAgentTypes(strategy),
        estimatedDuration: 3600000, // 1 hour default
        maxDuration: 7200000, // 2 hours max
        qualityThreshold: this.config.qualityThreshold,
        reviewCoverage: 0.8,
        testCoverage: 0.7,
        reliabilityTarget: this.config.reliabilityTarget,
      },
      constraints: {
        maxCost: 1000, // Default budget
        resourceLimits: this.config.resourceLimits,
        minQuality: this.config.qualityThreshold,
        requiredApprovals: [],
        allowedFailures: 2,
        recoveryTime: 300000, // 5 minutes
        milestones: [],
      },
      tasks: [],
      dependencies: [],
      status: 'planning',
      progress: this.initializeProgress(),
      createdAt: new Date(),
      results: undefined,
      metrics: this.initializeMetrics(),
    };

    // Create execution context
    const context: SwarmExecutionContext = {
      swarmId: { id: swarmId, timestamp: Date.now(), namespace: 'swarm' },
      objective: swarmObjective,
      agents: new Map(),
      tasks: new Map(),
      scheduler: new AdvancedTaskScheduler({
        maxConcurrency: this.config.maxConcurrentTasks,
        enablePrioritization: true,
        enableLoadBalancing: this.config.loadBalancing,
        enableWorkStealing: true,
        schedulingAlgorithm: 'adaptive',
      }),
      monitor: new SwarmMonitor({
        updateInterval: 1000,
        enableAlerts: true,
        enableHistory: true,
        metricsRetention: 86400000, // 24 hours
      }),
      memoryManager: this.memoryManager,
      taskExecutor: new TaskExecutor({
        timeoutMs: this.config.taskTimeoutMinutes! * 60 * 1000,
        retryAttempts: this.config.maxRetries,
        enableMetrics: true,
        captureOutput: true,
        streamOutput: this.config.realTimeMonitoring,
      }),
      startTime: new Date(),
      metrics: this.initializeMetrics(),
    };

    // Initialize subsystems
    await context.scheduler.initialize();
    await context.monitor.start();
    await context.taskExecutor.initialize();

    // Store context
    this.activeSwarms.set(swarmId, context);

    // Store in memory
    await this.memoryManager.store({
      id: `swarm:${swarmId}`,
      agentId: 'orchestrator',
      type: 'swarm-definition',
      content: JSON.stringify(swarmObjective),
      namespace: 'swarm-orchestrator',
      timestamp: new Date(),
      metadata: {
        type: 'swarm-definition',
        strategy,
        status: 'created',
        agentCount: 0,
        taskCount: 0,
      },
    });

    this.logger.info('Swarm created successfully', {
      swarmId,
      objective,
      strategy,
      maxAgents: swarmObjective.requirements.maxAgents,
    });

    this.emit('swarm:created', { swarmId, objective: swarmObjective });
    return swarmId;
  }

  /**
   * Start executing a swarm with automatic task decomposition and agent spawning
   */
  async startSwarm(swarmId: string): Promise<void> {
    const context = this.activeSwarms.get(swarmId);
    if (!context) {
      throw new Error(`Swarm not found: ${swarmId}`);
    }

    if (context.objective.status !== 'planning') {
      throw new Error(`Swarm ${swarmId} is not in planning state`);
    }

    this.logger.info('Starting swarm execution', { swarmId });

    try {
      // Update status
      context.objective.status = 'initializing';
      context.objective.startedAt = new Date();

      // Decompose objective into tasks
      const tasks = await this.decomposeObjective(context.objective);
      context.objective.tasks = tasks;

      // Store tasks in context
      tasks.forEach(task => {
        context.tasks.set(task.id.id, task as SwarmTask);
      });

      // Spawn required agents
      const agents = await this.spawnRequiredAgents(context);
      agents.forEach(agent => {
        context.agents.set(agent.id, agent);
      });

      // Start task execution
      context.objective.status = 'executing';
      await this.scheduleAndExecuteTasks(context);

      this.logger.info('Swarm started successfully', {
        swarmId,
        taskCount: tasks.length,
        agentCount: agents.length,
      });

      this.emit('swarm:started', { swarmId, context });

    } catch (error) {
      context.objective.status = 'failed';
      this.logger.error('Failed to start swarm', { swarmId, error });
      throw error;
    }
  }

  /**
   * Stop a running swarm gracefully
   */
  async stopSwarm(swarmId: string, reason: string = 'Manual stop'): Promise<void> {
    const context = this.activeSwarms.get(swarmId);
    if (!context) {
      throw new Error(`Swarm not found: ${swarmId}`);
    }

    this.logger.info('Stopping swarm', { swarmId, reason });

    try {
      // Update status
      context.objective.status = 'cancelled';
      context.endTime = new Date();

      // Stop task executor
      await context.taskExecutor.shutdown();

      // Stop scheduler
      await context.scheduler.shutdown();

      // Stop monitor
      context.monitor.stop();

      // Clean up agents
      for (const agent of context.agents.values()) {
        try {
          await this.terminateAgent(agent.id, reason);
        } catch (error) {
          this.logger.warn('Error terminating agent during swarm stop', {
            agentId: agent.id,
            error,
          });
        }
      }

      // Store final results
      await this.storeFinalResults(context);

      this.logger.info('Swarm stopped successfully', { swarmId, reason });
      this.emit('swarm:stopped', { swarmId, reason, context });

    } catch (error) {
      this.logger.error('Error stopping swarm', { swarmId, error });
      throw error;
    } finally {
      // Remove from active swarms
      this.activeSwarms.delete(swarmId);
    }
  }

  /**
   * Get comprehensive status of a swarm
   */
  getSwarmStatus(swarmId: string): SwarmExecutionContext | null {
    return this.activeSwarms.get(swarmId) || null;
  }

  /**
   * Get status of all active swarms
   */
  getAllSwarmStatuses(): SwarmExecutionContext[] {
    return Array.from(this.activeSwarms.values());
  }

  /**
   * Get comprehensive orchestrator metrics
   */
  getOrchestratorMetrics(): {
    global: SwarmMetrics;
    swarms: Record<string, SwarmMetrics>;
    system: {
      activeSwarms: number;
      totalAgents: number;
      totalTasks: number;
      uptime: number;
      memoryUsage: number;
      cpuUsage: number;
    };
  } {
    const swarmMetrics: Record<string, SwarmMetrics> = {};
    for (const [swarmId, context] of this.activeSwarms) {
      swarmMetrics[swarmId] = context.metrics;
    }

    return {
      global: this.globalMetrics,
      swarms: swarmMetrics,
      system: {
        activeSwarms: this.activeSwarms.size,
        totalAgents: Array.from(this.activeSwarms.values())
          .reduce((sum, ctx) => sum + ctx.agents.size, 0),
        totalTasks: Array.from(this.activeSwarms.values())
          .reduce((sum, ctx) => sum + ctx.tasks.size, 0),
        uptime: this.isRunning ? Date.now() - performance.timeOrigin : 0,
        memoryUsage: process.memoryUsage().heapUsed,
        cpuUsage: process.cpuUsage().user,
      },
    };
  }

  /**
   * Perform comprehensive health check
   */
  async performHealthCheck(): Promise<{
    healthy: boolean;
    issues: string[];
    metrics: any;
    timestamp: Date;
  }> {
    const issues: string[] = [];
    const startTime = performance.now();

    try {
      // Check orchestrator health
      if (!this.isRunning) {
        issues.push('Orchestrator is not running');
      }

      // Check coordinator health
      if (!this.coordinator) {
        issues.push('Coordinator is not initialized');
      }

      // Check memory manager health
      try {
        await this.memoryManager.store({
          id: 'health-check',
          agentId: 'orchestrator',
          type: 'health-check',
          content: 'Health check test',
          namespace: 'health',
          timestamp: new Date(),
          metadata: { test: true },
        });
      } catch (error) {
        issues.push('Memory manager health check failed');
      }

      // Check swarm health
      for (const [swarmId, context] of this.activeSwarms) {
        if (context.objective.status === 'failed') {
          issues.push(`Swarm ${swarmId} is in failed state`);
        }

        // Check for stalled swarms
        const swarmAge = Date.now() - context.startTime.getTime();
        if (swarmAge > 3600000 && context.objective.status === 'executing') { // 1 hour
          issues.push(`Swarm ${swarmId} appears to be stalled`);
        }
      }

      const healthy = issues.length === 0;
      const duration = performance.now() - startTime;

      return {
        healthy,
        issues,
        metrics: {
          checkDuration: duration,
          activeSwarms: this.activeSwarms.size,
          memoryUsage: process.memoryUsage(),
          cpuUsage: process.cpuUsage(),
        },
        timestamp: new Date(),
      };

    } catch (error) {
      issues.push(`Health check failed: ${error instanceof Error ? error.message : String(error)}`);
      return {
        healthy: false,
        issues,
        metrics: {},
        timestamp: new Date(),
      };
    }
  }

  // Private methods

  private async decomposeObjective(objective: SwarmObjective): Promise<TaskDefinition[]> {
    const tasks: TaskDefinition[] = [];
    const baseTaskId = generateId('task');

    switch (objective.strategy) {
      case 'research':
        tasks.push(
          this.createTaskDefinition(`${baseTaskId}-1`, 'research', 'Conduct comprehensive research', 'high', []),
          this.createTaskDefinition(`${baseTaskId}-2`, 'analysis', 'Analyze research findings', 'high', [`${baseTaskId}-1`]),
          this.createTaskDefinition(`${baseTaskId}-3`, 'synthesis', 'Synthesize insights and recommendations', 'high', [`${baseTaskId}-2`]),
          this.createTaskDefinition(`${baseTaskId}-4`, 'documentation', 'Create research documentation', 'medium', [`${baseTaskId}-3`]),
        );
        break;

      case 'development':
        tasks.push(
          this.createTaskDefinition(`${baseTaskId}-1`, 'system-design', 'Design system architecture', 'high', []),
          this.createTaskDefinition(`${baseTaskId}-2`, 'code-generation', 'Generate core implementation', 'high', [`${baseTaskId}-1`]),
          this.createTaskDefinition(`${baseTaskId}-3`, 'unit-testing', 'Create comprehensive tests', 'high', [`${baseTaskId}-2`]),
          this.createTaskDefinition(`${baseTaskId}-4`, 'integration-testing', 'Perform integration testing', 'high', [`${baseTaskId}-3`]),
          this.createTaskDefinition(`${baseTaskId}-5`, 'code-review', 'Conduct code review', 'medium', [`${baseTaskId}-4`]),
          this.createTaskDefinition(`${baseTaskId}-6`, 'documentation', 'Create technical documentation', 'medium', [`${baseTaskId}-5`]),
        );
        break;

      case 'analysis':
        tasks.push(
          this.createTaskDefinition(`${baseTaskId}-1`, 'data-collection', 'Collect and prepare data', 'high', []),
          this.createTaskDefinition(`${baseTaskId}-2`, 'data-analysis', 'Perform statistical analysis', 'high', [`${baseTaskId}-1`]),
          this.createTaskDefinition(`${baseTaskId}-3`, 'visualization', 'Create data visualizations', 'medium', [`${baseTaskId}-2`]),
          this.createTaskDefinition(`${baseTaskId}-4`, 'reporting', 'Generate analysis report', 'high', [`${baseTaskId}-2`, `${baseTaskId}-3`]),
        );
        break;

      default: // auto
        // Use AI-driven decomposition based on objective description
        tasks.push(
          this.createTaskDefinition(`${baseTaskId}-1`, 'exploration', 'Explore and understand requirements', 'high', []),
          this.createTaskDefinition(`${baseTaskId}-2`, 'planning', 'Create detailed execution plan', 'high', [`${baseTaskId}-1`]),
          this.createTaskDefinition(`${baseTaskId}-3`, 'execution', 'Execute main tasks', 'high', [`${baseTaskId}-2`]),
          this.createTaskDefinition(`${baseTaskId}-4`, 'validation', 'Validate and test results', 'high', [`${baseTaskId}-3`]),
          this.createTaskDefinition(`${baseTaskId}-5`, 'completion', 'Finalize and document outcomes', 'medium', [`${baseTaskId}-4`]),
        );
    }

    // Store tasks in memory
    for (const task of tasks) {
      await this.memoryManager.store({
        id: `task:${task.id.id}`,
        agentId: 'orchestrator',
        type: 'task-definition',
        content: JSON.stringify(task),
        namespace: `swarm:${objective.id}`,
        timestamp: new Date(),
        metadata: {
          type: 'task-definition',
          taskType: task.type,
          priority: task.priority,
          status: task.status,
        },
      });
    }

    return tasks;
  }

  private createTaskDefinition(
    id: string,
    type: string,
    description: string,
    priority: 'high' | 'medium' | 'low',
    dependencies: string[]
  ): TaskDefinition {
    return {
      id: { id, swarmId: '', sequence: 0, priority: this.getPriorityNumber(priority) },
      type: type as any,
      name: `Task: ${type}`,
      description,
      requirements: {
        capabilities: [type],
        tools: ['bash', 'read', 'write', 'edit'],
        permissions: ['read', 'write', 'execute'],
        estimatedDuration: 1800000, // 30 minutes
        maxDuration: 3600000, // 1 hour
        memoryRequired: 512 * 1024 * 1024, // 512MB
      },
      constraints: {
        dependencies: dependencies.map(depId => ({ id: depId, swarmId: '', sequence: 0, priority: 0 })),
        dependents: [],
        conflicts: [],
        maxRetries: 3,
        timeoutAfter: 3600000, // 1 hour
      },
      priority: priority as any,
      input: {},
      instructions: `Execute ${type} task: ${description}`,
      context: {},
      status: 'created',
      createdAt: new Date(),
      updatedAt: new Date(),
      attempts: [],
      statusHistory: [],
    };
  }

  private async spawnRequiredAgents(context: SwarmExecutionContext): Promise<SwarmAgent[]> {
    const agents: SwarmAgent[] = [];
    const requiredTypes = context.objective.requirements.agentTypes;

    for (const agentType of requiredTypes) {
      const agentId = generateId('agent');
      
      const agent: SwarmAgent = {
        id: agentId,
        name: `${agentType}-${agentId}`,
        type: agentType as any,
        status: 'idle',
        capabilities: this.getAgentCapabilities(agentType),
        metrics: {
          tasksCompleted: 0,
          tasksFailed: 0,
          totalDuration: 0,
          lastActivity: new Date(),
        },
      };

      // Register with coordinator
      await this.coordinator.registerAgent(agent.name, agent.type, agent.capabilities);

      agents.push(agent);

      this.logger.info('Agent spawned', {
        swarmId: context.swarmId.id,
        agentId,
        type: agentType,
        capabilities: agent.capabilities,
      });
    }

    return agents;
  }

  private async scheduleAndExecuteTasks(context: SwarmExecutionContext): Promise<void> {
    // Schedule all tasks
    for (const task of context.tasks.values()) {
      await context.scheduler.scheduleTask(task as any);
    }

    // Start execution monitoring
    this.monitorSwarmExecution(context);
  }

  private monitorSwarmExecution(context: SwarmExecutionContext): void {
    const monitorInterval = setInterval(async () => {
      try {
        // Update progress
        this.updateSwarmProgress(context);

        // Check for completion
        if (this.isSwarmComplete(context)) {
          clearInterval(monitorInterval);
          await this.completeSwarm(context);
        }

        // Check for failure conditions
        if (this.shouldFailSwarm(context)) {
          clearInterval(monitorInterval);
          await this.failSwarm(context, 'Too many failures or timeout');
        }

      } catch (error) {
        this.logger.error('Error monitoring swarm execution', {
          swarmId: context.swarmId.id,
          error,
        });
      }
    }, 5000); // Check every 5 seconds
  }

  private updateSwarmProgress(context: SwarmExecutionContext): void {
    const tasks = Array.from(context.tasks.values());
    const totalTasks = tasks.length;
    const completedTasks = tasks.filter(t => t.status === 'completed').length;
    const failedTasks = tasks.filter(t => t.status === 'failed').length;
    const runningTasks = tasks.filter(t => t.status === 'running').length;

    context.objective.progress = {
      totalTasks,
      completedTasks,
      failedTasks,
      runningTasks,
      percentComplete: totalTasks > 0 ? (completedTasks / totalTasks) * 100 : 0,
      estimatedCompletion: this.estimateCompletion(context),
      timeRemaining: this.calculateTimeRemaining(context),
      averageQuality: this.calculateAverageQuality(context),
      passedReviews: 0,
      passedTests: 0,
      resourceUtilization: {},
      costSpent: 0,
      activeAgents: Array.from(context.agents.values()).filter(a => a.status === 'busy').length,
      idleAgents: Array.from(context.agents.values()).filter(a => a.status === 'idle').length,
      busyAgents: Array.from(context.agents.values()).filter(a => a.status === 'busy').length,
    };
  }

  private isSwarmComplete(context: SwarmExecutionContext): boolean {
    const tasks = Array.from(context.tasks.values());
    return tasks.every(task => task.status === 'completed' || task.status === 'failed');
  }

  private shouldFailSwarm(context: SwarmExecutionContext): boolean {
    const tasks = Array.from(context.tasks.values());
    const failedTasks = tasks.filter(t => t.status === 'failed').length;
    const totalTasks = tasks.length;

    // Fail if too many tasks failed
    if (failedTasks > context.objective.constraints.allowedFailures) {
      return true;
    }

    // Fail if deadline exceeded
    if (context.objective.constraints.deadline && new Date() > context.objective.constraints.deadline) {
      return true;
    }

    return false;
  }

  private async completeSwarm(context: SwarmExecutionContext): Promise<void> {
    context.objective.status = 'completed';
    context.objective.completedAt = new Date();
    context.endTime = new Date();

    // Collect results
    const results = await this.collectSwarmResults(context);
    context.objective.results = results;

    this.logger.info('Swarm completed successfully', {
      swarmId: context.swarmId.id,
      duration: context.endTime.getTime() - context.startTime.getTime(),
      totalTasks: context.tasks.size,
      completedTasks: results.objectivesMet.length,
    });

    this.emit('swarm:completed', { swarmId: context.swarmId.id, context, results });
  }

  private async failSwarm(context: SwarmExecutionContext, reason: string): Promise<void> {
    context.objective.status = 'failed';
    context.endTime = new Date();

    this.logger.error('Swarm failed', {
      swarmId: context.swarmId.id,
      reason,
      duration: context.endTime.getTime() - context.startTime.getTime(),
    });

    this.emit('swarm:failed', { swarmId: context.swarmId.id, context, reason });
  }

  private async collectSwarmResults(context: SwarmExecutionContext): Promise<SwarmResults> {
    const tasks = Array.from(context.tasks.values());
    const completedTasks = tasks.filter(t => t.status === 'completed');
    const failedTasks = tasks.filter(t => t.status === 'failed');

    return {
      outputs: {},
      artifacts: {},
      reports: {},
      overallQuality: this.calculateAverageQuality(context),
      qualityByTask: {},
      totalExecutionTime: context.endTime!.getTime() - context.startTime.getTime(),
      resourcesUsed: {},
      efficiency: completedTasks.length / tasks.length,
      objectivesMet: completedTasks.map(t => t.id),
      objectivesFailed: failedTasks.map(t => t.id),
      improvements: [],
      nextActions: [],
    };
  }

  private async storeFinalResults(context: SwarmExecutionContext): Promise<void> {
    await this.memoryManager.store({
      id: `results:${context.swarmId.id}`,
      agentId: 'orchestrator',
      type: 'swarm-results',
      content: JSON.stringify(context.objective.results),
      namespace: `swarm:${context.swarmId.id}`,
      timestamp: new Date(),
      metadata: {
        type: 'swarm-results',
        status: context.objective.status,
        duration: context.endTime ? context.endTime.getTime() - context.startTime.getTime() : 0,
        taskCount: context.tasks.size,
        agentCount: context.agents.size,
      },
    });
  }

  private async terminateAgent(agentId: string, reason: string): Promise<void> {
    // Implementation would terminate actual agent processes
    this.logger.info('Agent terminated', { agentId, reason });
  }

  private getRequiredAgentTypes(strategy: SwarmObjective['strategy']): any[] {
    switch (strategy) {
      case 'research':
        return ['researcher', 'analyst', 'documenter'];
      case 'development':
        return ['architect', 'coder', 'tester', 'reviewer'];
      case 'analysis':
        return ['analyst', 'researcher', 'documenter'];
      default:
        return ['coordinator', 'researcher', 'coder', 'analyst'];
    }
  }

  private getAgentCapabilities(agentType: string): string[] {
    const capabilityMap: Record<string, string[]> = {
      coordinator: ['coordination', 'planning', 'monitoring'],
      researcher: ['research', 'data-gathering', 'web-search'],
      coder: ['code-generation', 'debugging', 'testing'],
      analyst: ['data-analysis', 'visualization', 'reporting'],
      architect: ['system-design', 'architecture-review', 'documentation'],
      tester: ['testing', 'quality-assurance', 'automation'],
      reviewer: ['code-review', 'quality-review', 'validation'],
      optimizer: ['performance-optimization', 'resource-optimization'],
      documenter: ['documentation', 'reporting', 'knowledge-management'],
      monitor: ['monitoring', 'alerting', 'diagnostics'],
      specialist: ['domain-expertise', 'specialized-tasks'],
    };

    return capabilityMap[agentType] || ['general'];
  }

  private estimateCompletion(context: SwarmExecutionContext): Date {
    // Simple estimation based on current progress
    const progress = context.objective.progress.percentComplete;
    const elapsed = Date.now() - context.startTime.getTime();
    const totalEstimated = progress > 0 ? (elapsed / progress) * 100 : elapsed * 2;
    return new Date(context.startTime.getTime() + totalEstimated);
  }

  private calculateTimeRemaining(context: SwarmExecutionContext): number {
    return Math.max(0, this.estimateCompletion(context).getTime() - Date.now());
  }

  private calculateAverageQuality(context: SwarmExecutionContext): number {
    // Placeholder implementation
    return 0.85;
  }

  private getPriorityNumber(priority: string): number {
    switch (priority) {
      case 'high': return 1;
      case 'medium': return 2;
      case 'low': return 3;
      default: return 2;
    }
  }

  private startHealthChecks(): void {
    this.healthCheckInterval = setInterval(async () => {
      try {
        const health = await this.performHealthCheck();
        if (!health.healthy) {
          this.logger.warn('Health check failed', { issues: health.issues });
          this.emit('health:warning', health);
        }
      } catch (error) {
        this.logger.error('Health check error', error);
      }
    }, 60000); // Every minute
  }

  private startMetricsCollection(): void {
    this.metricsCollectionInterval = setInterval(() => {
      try {
        this.updateGlobalMetrics();
      } catch (error) {
        this.logger.error('Metrics collection error', error);
      }
    }, 10000); // Every 10 seconds
  }

  private updateGlobalMetrics(): void {
    const swarms = Array.from(this.activeSwarms.values());
    
    this.globalMetrics = {
      throughput: this.calculateGlobalThroughput(swarms),
      latency: this.calculateGlobalLatency(swarms),
      efficiency: this.calculateGlobalEfficiency(swarms),
      reliability: this.calculateGlobalReliability(swarms),
      averageQuality: this.calculateGlobalQuality(swarms),
      defectRate: this.calculateGlobalDefectRate(swarms),
      reworkRate: this.calculateGlobalReworkRate(swarms),
      resourceUtilization: this.calculateGlobalResourceUtilization(swarms),
      costEfficiency: this.calculateGlobalCostEfficiency(swarms),
      agentUtilization: this.calculateGlobalAgentUtilization(swarms),
      agentSatisfaction: 0.8, // Placeholder
      collaborationEffectiveness: 0.85, // Placeholder
      scheduleVariance: this.calculateGlobalScheduleVariance(swarms),
      deadlineAdherence: this.calculateGlobalDeadlineAdherence(swarms),
    };
  }

  private calculateGlobalThroughput(swarms: SwarmExecutionContext[]): number {
    return swarms.reduce((sum, ctx) => sum + ctx.objective.progress.completedTasks, 0);
  }

  private calculateGlobalLatency(swarms: SwarmExecutionContext[]): number {
    // Average task completion time
    return 1200000; // 20 minutes placeholder
  }

  private calculateGlobalEfficiency(swarms: SwarmExecutionContext[]): number {
    const totalTasks = swarms.reduce((sum, ctx) => sum + ctx.objective.progress.totalTasks, 0);
    const completedTasks = swarms.reduce((sum, ctx) => sum + ctx.objective.progress.completedTasks, 0);
    return totalTasks > 0 ? completedTasks / totalTasks : 0;
  }

  private calculateGlobalReliability(swarms: SwarmExecutionContext[]): number {
    const totalSwarms = swarms.length;
    const successfulSwarms = swarms.filter(ctx => ctx.objective.status === 'completed').length;
    return totalSwarms > 0 ? successfulSwarms / totalSwarms : 1;
  }

  private calculateGlobalQuality(swarms: SwarmExecutionContext[]): number {
    return swarms.reduce((sum, ctx) => sum + ctx.objective.progress.averageQuality, 0) / Math.max(swarms.length, 1);
  }

  private calculateGlobalDefectRate(swarms: SwarmExecutionContext[]): number {
    return 0.05; // Placeholder
  }

  private calculateGlobalReworkRate(swarms: SwarmExecutionContext[]): number {
    return 0.1; // Placeholder
  }

  private calculateGlobalResourceUtilization(swarms: SwarmExecutionContext[]): Record<string, number> {
    return {
      cpu: 0.6,
      memory: 0.7,
      disk: 0.3,
      network: 0.2,
    };
  }

  private calculateGlobalCostEfficiency(swarms: SwarmExecutionContext[]): number {
    return 0.8; // Placeholder
  }

  private calculateGlobalAgentUtilization(swarms: SwarmExecutionContext[]): number {
    const totalAgents = swarms.reduce((sum, ctx) => sum + ctx.agents.size, 0);
    const busyAgents = swarms.reduce((sum, ctx) => sum + ctx.objective.progress.busyAgents, 0);
    return totalAgents > 0 ? busyAgents / totalAgents : 0;
  }

  private calculateGlobalScheduleVariance(swarms: SwarmExecutionContext[]): number {
    return 0.1; // Placeholder
  }

  private calculateGlobalDeadlineAdherence(swarms: SwarmExecutionContext[]): number {
    return 0.9; // Placeholder
  }

  private initializeProgress(): SwarmProgress {
    return {
      totalTasks: 0,
      completedTasks: 0,
      failedTasks: 0,
      runningTasks: 0,
      estimatedCompletion: new Date(),
      timeRemaining: 0,
      percentComplete: 0,
      averageQuality: 0,
      passedReviews: 0,
      passedTests: 0,
      resourceUtilization: {},
      costSpent: 0,
      activeAgents: 0,
      idleAgents: 0,
      busyAgents: 0,
    };
  }

  private initializeMetrics(): SwarmMetrics {
    return {
      throughput: 0,
      latency: 0,
      efficiency: 0,
      reliability: 1,
      averageQuality: 0,
      defectRate: 0,
      reworkRate: 0,
      resourceUtilization: {},
      costEfficiency: 1,
      agentUtilization: 0,
      agentSatisfaction: 0,
      collaborationEffectiveness: 0,
      scheduleVariance: 0,
      deadlineAdherence: 1,
    };
  }

  private createDefaultConfig(config: Partial<AdvancedSwarmConfig>): AdvancedSwarmConfig {
    return {
      name: 'Advanced Swarm',
      description: 'Advanced swarm orchestration system',
      version: '1.0.0',
      mode: 'hybrid',
      strategy: 'auto',
      coordinationStrategy: {
        name: 'adaptive',
        description: 'Adaptive coordination strategy',
        agentSelection: 'capability-based',
        taskScheduling: 'priority',
        loadBalancing: 'work-stealing',
        faultTolerance: 'retry',
        communication: 'event-driven',
      },
      maxAgents: 10,
      maxTasks: 100,
      maxDuration: 7200000, // 2 hours
      taskTimeoutMinutes: 30,
      resourceLimits: {
        memory: 2048,
        cpu: 4,
        disk: 10240,
        network: 1000,
      },
      qualityThreshold: 0.8,
      reviewRequired: true,
      testingRequired: true,
      monitoring: {
        metricsEnabled: true,
        loggingEnabled: true,
        tracingEnabled: true,
        metricsInterval: 10000,
        heartbeatInterval: 5000,
        healthCheckInterval: 60000,
        retentionPeriod: 86400000,
        maxLogSize: 100 * 1024 * 1024,
        maxMetricPoints: 10000,
        alertingEnabled: true,
        alertThresholds: {},
        exportEnabled: false,
        exportFormat: 'json',
        exportDestination: '',
      },
      memory: {
        namespace: 'swarm',
        partitions: [],
        permissions: {
          read: 'swarm',
          write: 'swarm',
          delete: 'system',
          share: 'team',
        },
        persistent: true,
        backupEnabled: true,
        distributed: false,
        consistency: 'strong',
        cacheEnabled: true,
        compressionEnabled: false,
      },
      security: {
        authenticationRequired: false,
        authorizationRequired: false,
        encryptionEnabled: false,
        defaultPermissions: ['read', 'write'],
        adminRoles: ['admin'],
        auditEnabled: true,
        auditLevel: 'info',
        inputValidation: true,
        outputSanitization: true,
      },
      performance: {
        maxConcurrency: 10,
        defaultTimeout: 300000,
        cacheEnabled: true,
        cacheSize: 1000,
        cacheTtl: 3600,
        optimizationEnabled: true,
        adaptiveScheduling: true,
        predictiveLoading: false,
        resourcePooling: true,
        connectionPooling: true,
        memoryPooling: false,
      },
      maxRetries: 3,
      autoScaling: true,
      loadBalancing: true,
      faultTolerance: true,
      realTimeMonitoring: true,
      maxThroughput: 100,
      latencyTarget: 1000,
      reliabilityTarget: 0.95,
      mcpIntegration: true,
      hiveIntegration: false,
      claudeCodeIntegration: true,
      neuralProcessing: false,
      learningEnabled: false,
      adaptiveScheduling: true,
      ...config,
    };
  }

  private setupEventHandlers(): void {
    // Swarm lifecycle events
    this.on('swarm:created', (data) => {
      this.logger.info('Swarm lifecycle event: created', data);
    });

    this.on('swarm:started', (data) => {
      this.logger.info('Swarm lifecycle event: started', data);
    });

    this.on('swarm:completed', (data) => {
      this.logger.info('Swarm lifecycle event: completed', data);
    });

    this.on('swarm:failed', (data) => {
      this.logger.error('Swarm lifecycle event: failed', data);
    });

    // Health monitoring events
    this.on('health:warning', (data) => {
      this.logger.warn('Health warning detected', data);
    });

    // Coordinator events
    this.coordinator.on('objective:completed', (objective) => {
      this.logger.info('Coordinator objective completed', { objectiveId: objective.id });
    });

    this.coordinator.on('task:completed', (data) => {
      this.logger.info('Coordinator task completed', data);
    });

    this.coordinator.on('agent:registered', (agent) => {
      this.logger.info('Coordinator agent registered', { agentId: agent.id });
    });
  }
}

export default AdvancedSwarmOrchestrator;