/**
 * Agent Spawner - Handles dynamic agent creation and lifecycle
 *
 * Manages the spawning, initialization, and lifecycle of the 54 specialized
 * agent types based on workload and system requirements.
 */

import { EventEmitter } from 'eventemitter3';

import { Agent, AgentType, AgentConfig, OperationResult } from '../types';

export class AgentSpawner extends EventEmitter {
  private _config: AgentConfig;
  private _spawnQueue: Array<{
    type: AgentType;
    priority: number;
    context: any;
  }> = [];
  private spawningAgents: Set<string> = new Set();

  constructor(config: AgentConfig) {
    super();
    this._config = config;
  }

  async initialize(): Promise<OperationResult> {
    return {
      success: true,
      message: 'Agent Spawner initialized successfully',
    };
  }

  async spawnAgent(type: AgentType, context?: any): Promise<Agent> {
    const agentId = `${type}-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;

    const agent: Agent = {
      id: agentId,
      type,
      category: this.getCategoryForAgentType(type),
      capabilities: this.getCapabilitiesForAgentType(type),
      status: 'initializing',
      topology: 'mesh', // Default topology
      sessionId: `session-${Date.now()}`,
      createdAt: new Date(),
      metrics: {
        tasksCompleted: 0,
        successRate: 0,
        averageResponseTime: 0,
        healthScore: 100,
      },
      context,
    };

    this.spawningAgents.add(agentId);

    try {
      // Simulate initialization process
      await this.initializeAgent(agent);

      agent.status = 'active';
      this.spawningAgents.delete(agentId);

      this.emit('agent-spawned', agent);
      return agent;
    } catch (error) {
      agent.status = 'error';
      this.spawningAgents.delete(agentId);
      throw error;
    }
  }

  async spawnMultipleAgents(
    types: AgentType[],
    context?: any
  ): Promise<Agent[]> {
    const agents: Agent[] = [];

    for (const type of types) {
      try {
        const agent = await this.spawnAgent(type, context);
        agents.push(agent);
      } catch (error) {
        console.error(`Failed to spawn agent of type ${type}:`, error);
      }
    }

    return agents;
  }

  private async initializeAgent(agent: Agent): Promise<void> {
    // Simulate agent initialization
    await new Promise(resolve => setTimeout(resolve, 100));

    // Set agent capabilities based on type
    agent.capabilities = this.getCapabilitiesForAgentType(agent.type);
  }

  private getCategoryForAgentType(type: AgentType): string {
    const categoryMap: Record<string, string> = {
      coder: 'core',
      reviewer: 'core',
      tester: 'core',
      planner: 'core',
      researcher: 'core',
      'hierarchical-coordinator': 'swarm',
      'mesh-coordinator': 'swarm',
      'adaptive-coordinator': 'swarm',
      'collective-intelligence-coordinator': 'swarm',
      'swarm-memory-manager': 'swarm',
      'byzantine-coordinator': 'consensus',
      'raft-manager': 'consensus',
      'gossip-coordinator': 'consensus',
      'consensus-builder': 'consensus',
      'crdt-synchronizer': 'consensus',
      'quorum-manager': 'consensus',
      'security-manager': 'consensus',
      'perf-analyzer': 'performance',
      'performance-benchmarker': 'performance',
      'task-orchestrator': 'performance',
      'memory-coordinator': 'performance',
      'smart-agent': 'performance',
      'github-modes': 'github',
      'pr-manager': 'github',
      'code-review-swarm': 'github',
      'issue-tracker': 'github',
      'release-manager': 'github',
      'workflow-automation': 'github',
      'project-board-sync': 'github',
      'repo-architect': 'github',
      'multi-repo-swarm': 'github',
      'sparc-coord': 'sparc',
      'sparc-coder': 'sparc',
      specification: 'sparc',
      pseudocode: 'sparc',
      architecture: 'sparc',
      refinement: 'sparc',
      'backend-dev': 'specialized',
      'mobile-dev': 'specialized',
      'ml-developer': 'specialized',
      'cicd-engineer': 'specialized',
      'api-docs': 'specialized',
      'system-architect': 'specialized',
      'code-analyzer': 'specialized',
      'base-template-generator': 'specialized',
      'tdd-london-swarm': 'testing',
      'production-validator': 'testing',
      'migration-planner': 'migration',
      'swarm-init': 'migration',
    };

    return categoryMap[type] || 'general';
  }

  private getCapabilitiesForAgentType(type: AgentType): string[] {
    const capabilityMap: Record<string, string[]> = {
      coder: ['coding', 'implementation', 'refactoring'],
      reviewer: ['code-review', 'quality-assurance', 'standards'],
      tester: ['testing', 'validation', 'quality-assurance'],
      planner: ['planning', 'architecture', 'coordination'],
      researcher: ['research', 'analysis', 'documentation'],
      'hierarchical-coordinator': ['coordination', 'hierarchy', 'management'],
      'mesh-coordinator': ['coordination', 'mesh-topology', 'distributed'],
      'adaptive-coordinator': ['coordination', 'adaptation', 'optimization'],
      'collective-intelligence-coordinator': [
        'coordination',
        'intelligence',
        'consensus',
      ],
      'swarm-memory-manager': ['memory', 'persistence', 'coordination'],
      'byzantine-coordinator': ['consensus', 'fault-tolerance', 'distributed'],
      'raft-manager': ['consensus', 'raft-protocol', 'leadership'],
      'gossip-coordinator': ['gossip-protocol', 'distributed', 'communication'],
      'consensus-builder': ['consensus', 'agreement', 'coordination'],
      'crdt-synchronizer': ['crdt', 'synchronization', 'conflict-resolution'],
      'quorum-manager': ['quorum', 'voting', 'consensus'],
      'security-manager': ['security', 'encryption', 'authentication'],
      'perf-analyzer': ['performance', 'analysis', 'optimization'],
      'performance-benchmarker': ['benchmarking', 'metrics', 'analysis'],
      'task-orchestrator': ['orchestration', 'task-management', 'coordination'],
      'memory-coordinator': ['memory', 'optimization', 'coordination'],
      'smart-agent': ['intelligence', 'adaptation', 'learning'],
      'github-modes': ['github', 'integration', 'automation'],
      'pr-manager': ['pull-requests', 'management', 'automation'],
      'code-review-swarm': ['code-review', 'swarm', 'quality'],
      'issue-tracker': ['issues', 'tracking', 'management'],
      'release-manager': ['releases', 'versioning', 'deployment'],
      'workflow-automation': ['workflows', 'automation', 'ci-cd'],
      'project-board-sync': ['project-boards', 'synchronization', 'management'],
      'repo-architect': ['repository', 'architecture', 'organization'],
      'multi-repo-swarm': ['multi-repo', 'swarm', 'coordination'],
      'sparc-coord': ['sparc', 'coordination', 'methodology'],
      'sparc-coder': ['sparc', 'coding', 'implementation'],
      specification: ['specification', 'requirements', 'analysis'],
      pseudocode: ['pseudocode', 'algorithm', 'design'],
      architecture: ['architecture', 'system-design', 'structure'],
      refinement: ['refinement', 'optimization', 'iteration'],
      'backend-dev': ['backend', 'server', 'api'],
      'mobile-dev': ['mobile', 'ios', 'android'],
      'ml-developer': ['machine-learning', 'ai', 'data-science'],
      'cicd-engineer': ['ci-cd', 'deployment', 'automation'],
      'api-docs': ['api', 'documentation', 'specification'],
      'system-architect': ['system-architecture', 'design', 'scalability'],
      'code-analyzer': ['code-analysis', 'quality', 'metrics'],
      'base-template-generator': ['templates', 'generation', 'scaffolding'],
      'tdd-london-swarm': ['tdd', 'london-style', 'swarm'],
      'production-validator': ['validation', 'production', 'quality'],
      'migration-planner': ['migration', 'planning', 'strategy'],
      'swarm-init': ['initialization', 'setup', 'configuration'],
    };

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

  async shutdown(): Promise<OperationResult> {
    return {
      success: true,
      message: 'Agent Spawner shutdown completed',
    };
  }
}