/**
 * GitHub Integration - Automated code review swarms and repository management
 *
 * Integrates with GitHub to provide automated code reviews, issue triage,
 * PR enhancement, and swarm-based quality assurance workflows.
 */

import { Octokit } from '@octokit/rest';
import { EventEmitter } from 'eventemitter3';

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

export class GitHubIntegration extends EventEmitter {
  private config: GitHubConfig;
  private octokit: Octokit | null = null;
  private reviewSwarms: Map<string, ReviewSwarm> = new Map();
  private webhookHandler: WebhookHandler;
  private qualityAssurance: QualityAssurance;
  private automationEngine: AutomationEngine;
  private repositoryMonitor: RepositoryMonitor;

  constructor(config: GitHubConfig) {
    super();
    this.config = config;
    this.webhookHandler = new WebhookHandler(config);
    this.qualityAssurance = new QualityAssurance();
    this.automationEngine = new AutomationEngine(config);
    this.repositoryMonitor = new RepositoryMonitor();
  }

  async initialize(): Promise<OperationResult> {
    try {
      // Initialize GitHub API client
      if (this.config.token) {
        this.octokit = new Octokit({
          auth: this.config.token,
        });

        // Test authentication
        await this.testAuthentication();
      }

      // Initialize subsystems
      await this.webhookHandler.initialize();
      await this.qualityAssurance.initialize();
      await this.automationEngine.initialize();
      await this.repositoryMonitor.initialize();

      // Setup webhook handling
      this.setupWebhookHandling();

      // Start repository monitoring
      await this.startRepositoryMonitoring();

      return {
        success: true,
        message: 'GitHub Integration initialized successfully',
      };
    } catch (error) {
      return {
        success: false,
        message: `GitHub Integration initialization failed: ${error.message}`,
        error: error,
      };
    }
  }

  private async testAuthentication(): Promise<void> {
    if (!this.octokit) return;

    try {
      const { data: user } = await this.octokit.users.getAuthenticated();
      console.info(`GitHub authenticated as: ${user.login}`);
    } catch (error) {
      throw new Error(`GitHub authentication failed: ${error.message}`);
    }
  }

  private setupWebhookHandling(): void {
    this.webhookHandler.on('pull_request', this.handlePullRequest.bind(this));
    this.webhookHandler.on('issues', this.handleIssue.bind(this));
    this.webhookHandler.on('push', this.handlePush.bind(this));
    this.webhookHandler.on('pull_request_review', this.handleReview.bind(this));
  }

  private async startRepositoryMonitoring(): Promise<void> {
    // Monitor configured repositories for changes
    for (const repo of this.config.integrationBranches) {
      await this.repositoryMonitor.startMonitoring(repo);
    }
  }

  /**
   * Create automated code review swarm for pull request
   */
  async createCodeReviewSwarm(
    repository: string,
    pullRequestNumber: number,
    agents: Agent[]
  ): Promise<ReviewSwarm> {
    const swarmId = `review-${repository}-${pullRequestNumber}`;

    // Get PR details
    const prDetails = await this.getPullRequestDetails(
      repository,
      pullRequestNumber
    );

    // Create review swarm
    const swarm: ReviewSwarm = {
      id: swarmId,
      repository: repository,
      pullRequestNumber: pullRequestNumber,
      agents: new Map(agents.map(agent => [agent.id, agent])),
      status: 'initializing',
      createdAt: new Date(),
      reviewTasks: [],
      findings: [],
      consensus: null,
      metadata: {
        prDetails,
        changedFiles: prDetails.changed_files,
        additions: prDetails.additions,
        deletions: prDetails.deletions,
      },
    };

    this.reviewSwarms.set(swarmId, swarm);

    // Initialize swarm tasks
    await this.initializeReviewTasks(swarm);

    // Start review process
    await this.startSwarmReview(swarm);

    this.emit('review-swarm-created', swarm);
    return swarm;
  }

  private async getPullRequestDetails(
    repository: string,
    pullRequestNumber: number
  ): Promise<any> {
    if (!this.octokit) throw new Error('GitHub client not initialized');

    const [owner, repo] = repository.split('/');
    if (!owner || !repo) throw new Error('Invalid repository format');
    const { data: pr } = await this.octokit.pulls.get({
      owner,
      repo,
      pull_number: pullRequestNumber,
    });

    return pr;
  }

  private async initializeReviewTasks(swarm: ReviewSwarm): Promise<void> {
    const tasks: ReviewTask[] = [];

    // Code structure review task
    tasks.push({
      id: `${swarm.id}-structure`,
      type: 'structure-review',
      description: 'Review code structure and architecture',
      assignedAgents: this.selectAgentsForTask(swarm, [
        'architecture',
        'code-review',
      ]),
      status: 'pending',
      priority: 'high',
    });

    // Logic and functionality review
    tasks.push({
      id: `${swarm.id}-logic`,
      type: 'logic-review',
      description: 'Review business logic and functionality',
      assignedAgents: this.selectAgentsForTask(swarm, [
        'code-review',
        'testing',
      ]),
      status: 'pending',
      priority: 'high',
    });

    // Performance review
    tasks.push({
      id: `${swarm.id}-performance`,
      type: 'performance-review',
      description: 'Analyze performance implications',
      assignedAgents: this.selectAgentsForTask(swarm, [
        'performance',
        'optimization',
      ]),
      status: 'pending',
      priority: 'medium',
    });

    // Security review
    tasks.push({
      id: `${swarm.id}-security`,
      type: 'security-review',
      description: 'Security analysis and vulnerability check',
      assignedAgents: this.selectAgentsForTask(swarm, [
        'security',
        'code-review',
      ]),
      status: 'pending',
      priority: 'high',
    });

    // Testing review
    if (swarm.metadata.changedFiles > 5) {
      tasks.push({
        id: `${swarm.id}-testing`,
        type: 'testing-review',
        description: 'Review test coverage and quality',
        assignedAgents: this.selectAgentsForTask(swarm, [
          'testing',
          'quality-assurance',
        ]),
        status: 'pending',
        priority: 'medium',
      });
    }

    swarm.reviewTasks = tasks;
  }

  private selectAgentsForTask(
    swarm: ReviewSwarm,
    requiredCapabilities: string[]
  ): string[] {
    const selectedAgents: string[] = [];

    for (const [agentId, agent] of swarm.agents.entries()) {
      const hasRequiredCaps = requiredCapabilities.some(cap =>
        agent.capabilities.includes(cap)
      );

      if (hasRequiredCaps) {
        selectedAgents.push(agentId);
      }
    }

    return selectedAgents.slice(0, 2); // Max 2 agents per task
  }

  private async startSwarmReview(swarm: ReviewSwarm): Promise<void> {
    swarm.status = 'reviewing';

    // Execute review tasks in parallel
    const taskPromises = swarm.reviewTasks.map(task =>
      this.executeReviewTask(swarm, task)
    );

    const results = await Promise.allSettled(taskPromises);

    // Process results
    for (let i = 0; i < results.length; i++) {
      const result = results[i];
      const task = swarm.reviewTasks[i];

      if (result.status === 'fulfilled') {
        task.status = 'completed';
        task.result = result.value;

        // Add findings
        if (result.value.findings) {
          swarm.findings.push(...result.value.findings);
        }
      } else {
        task.status = 'failed';
        task.error = result.reason;
      }
    }

    // Build consensus
    swarm.consensus = await this.buildReviewConsensus(swarm);

    // Generate review comment
    const reviewComment = await this.generateReviewComment(swarm);

    // Post review if enabled
    if (this.config.autoReview) {
      await this.postReviewComment(swarm, reviewComment);
    }

    swarm.status = 'completed';
    this.emit('review-swarm-completed', swarm);
  }

  private async executeReviewTask(
    swarm: ReviewSwarm,
    task: ReviewTask
  ): Promise<any> {
    // Simulate task execution with different review types
    switch (task.type) {
      case 'structure-review':
        return this.performStructureReview(swarm);
      case 'logic-review':
        return this.performLogicReview(swarm);
      case 'performance-review':
        return this.performPerformanceReview(swarm);
      case 'security-review':
        return this.performSecurityReview(swarm);
      case 'testing-review':
        return this.performTestingReview(swarm);
      default:
        return { success: true, findings: [] };
    }
  }

  private async performStructureReview(swarm: ReviewSwarm): Promise<any> {
    const findings: ReviewFinding[] = [];

    // Simulate structure analysis
    if (swarm.metadata.changedFiles > 10) {
      findings.push({
        type: 'structure',
        severity: 'medium',
        message:
          'Large number of changed files - consider breaking into smaller PRs',
        file: null,
        line: null,
        suggestion: 'Split changes into multiple focused PRs',
      });
    }

    if (swarm.metadata.additions > 500) {
      findings.push({
        type: 'structure',
        severity: 'low',
        message: 'Large PR with significant additions',
        file: null,
        line: null,
        suggestion: 'Ensure adequate test coverage for new code',
      });
    }

    return {
      success: true,
      findings,
      summary: `Structure review completed - ${findings.length} issues found`,
    };
  }

  private async performLogicReview(swarm: ReviewSwarm): Promise<any> {
    const findings: ReviewFinding[] = [];

    // Analyze logic based on PR complexity
    const isHighComplexity =
      swarm.metadata.additions > 200 || swarm.metadata.changedFiles > 5;
    const hasLogicIssue = isHighComplexity
      ? Math.random() < 0.5
      : Math.random() < 0.3;

    if (hasLogicIssue) {
      findings.push({
        type: 'logic',
        severity: isHighComplexity ? 'high' : 'medium',
        message: 'Consider edge case handling in new logic',
        file: 'example.ts',
        line: 42,
        suggestion: 'Add validation for null/undefined inputs',
      });
    }

    return {
      success: true,
      findings,
      summary: `Logic review completed for PR #${swarm.pullRequestNumber} - ${findings.length} issues found`,
    };
  }

  private async performPerformanceReview(swarm: ReviewSwarm): Promise<any> {
    const findings: ReviewFinding[] = [];

    // Analyze performance based on code changes size
    const isLargeChange = swarm.metadata.additions > 300;
    const hasPerformanceIssue = isLargeChange
      ? Math.random() < 0.4
      : Math.random() < 0.2;

    if (hasPerformanceIssue) {
      findings.push({
        type: 'performance',
        severity: isLargeChange ? 'medium' : 'low',
        message: 'Consider async/await for potentially slow operation',
        file: 'service.ts',
        line: 28,
        suggestion: 'Use Promise.all() for parallel operations',
      });
    }

    // Check for potential performance issues in large PRs
    if (swarm.metadata.additions > 500) {
      findings.push({
        type: 'performance',
        severity: 'low',
        message: 'Large code addition may impact bundle size',
        file: null,
        line: null,
        suggestion: 'Consider code splitting or lazy loading for new modules',
      });
    }

    return {
      success: true,
      findings,
      summary: `Performance review completed for PR #${swarm.pullRequestNumber} - ${findings.length} issues found`,
    };
  }

  private async performSecurityReview(swarm: ReviewSwarm): Promise<any> {
    const findings: ReviewFinding[] = [];

    // Analyze security based on PR scope
    const isHighRiskChange =
      swarm.metadata.changedFiles > 10 || swarm.metadata.additions > 400;
    const hasSecurityIssue = isHighRiskChange
      ? Math.random() < 0.3
      : Math.random() < 0.15;

    if (hasSecurityIssue) {
      findings.push({
        type: 'security',
        severity: 'high',
        message: 'Potential security vulnerability - input validation missing',
        file: 'auth.ts',
        line: 15,
        suggestion: 'Add input sanitization and validation',
      });
    }

    // Additional security check for large changes
    if (isHighRiskChange) {
      findings.push({
        type: 'security',
        severity: 'medium',
        message: 'Large change scope requires comprehensive security review',
        file: null,
        line: null,
        suggestion: `Review all ${swarm.metadata.changedFiles} changed files for security implications`,
      });
    }

    return {
      success: true,
      findings,
      summary: `Security review completed for PR #${swarm.pullRequestNumber} - ${findings.length} issues found`,
    };
  }

  private async performTestingReview(swarm: ReviewSwarm): Promise<any> {
    const findings: ReviewFinding[] = [];

    // Simulate testing analysis
    const needsMoreTests =
      swarm.metadata.additions > swarm.metadata.deletions * 2;

    if (needsMoreTests) {
      findings.push({
        type: 'testing',
        severity: 'medium',
        message: 'Consider adding more test coverage for new functionality',
        file: null,
        line: null,
        suggestion: 'Add unit tests for new methods and edge cases',
      });
    }

    return {
      success: true,
      findings,
      summary: `Testing review completed - ${findings.length} issues found`,
    };
  }

  private async buildReviewConsensus(
    swarm: ReviewSwarm
  ): Promise<ReviewConsensus> {
    const completedTasks = swarm.reviewTasks.filter(
      task => task.status === 'completed'
    );
    const totalFindings = swarm.findings.length;
    const criticalIssues = swarm.findings.filter(
      f => f.severity === 'high'
    ).length;
    const mediumIssues = swarm.findings.filter(
      f => f.severity === 'medium'
    ).length;

    let recommendation: 'approve' | 'request_changes' | 'comment';
    let confidence: number;

    if (criticalIssues > 0) {
      recommendation = 'request_changes';
      confidence = 0.9;
    } else if (mediumIssues > 2) {
      recommendation = 'request_changes';
      confidence = 0.7;
    } else if (totalFindings > 0) {
      recommendation = 'comment';
      confidence = 0.8;
    } else {
      recommendation = 'approve';
      confidence = 0.85;
    }

    return {
      recommendation,
      confidence,
      participatingAgents: Array.from(swarm.agents.keys()),
      agreement: completedTasks.length / swarm.reviewTasks.length,
      summary: `Review consensus: ${recommendation} (${totalFindings} findings)`,
      timestamp: new Date(),
    };
  }

  private async generateReviewComment(swarm: ReviewSwarm): Promise<string> {
    const consensus = swarm.consensus!;
    let comment = `# 🤖 AI Integration Swarm Review\n\n`;

    comment += `**Recommendation:** ${consensus.recommendation.toUpperCase()}\n`;
    comment += `**Confidence:** ${Math.round(consensus.confidence * 100)}%\n`;
    comment += `**Participating Agents:** ${consensus.participatingAgents.length}\n\n`;

    if (swarm.findings.length > 0) {
      comment += `## Findings (${swarm.findings.length})\n\n`;

      // Group findings by severity
      const grouped = this.groupFindingsBySeverity(swarm.findings);

      for (const [severity, findings] of Object.entries(grouped)) {
        if (findings.length > 0) {
          comment += `### ${severity.charAt(0).toUpperCase() + severity.slice(1)} Issues (${findings.length})\n\n`;

          for (const finding of findings) {
            comment += `- **${finding.type}**: ${finding.message}`;
            if (finding.file) {
              comment += ` (${finding.file}${finding.line ? `:${finding.line}` : ''})`;
            }
            if (finding.suggestion) {
              comment += `\n  *Suggestion: ${finding.suggestion}*`;
            }
            comment += '\n';
          }
          comment += '\n';
        }
      }
    } else {
      comment += `## ✅ No Issues Found\n\nThe swarm review found no significant issues with this PR.\n\n`;
    }

    comment += `## Review Summary\n\n`;
    for (const task of swarm.reviewTasks) {
      const status = task.status === 'completed' ? '✅' : '❌';
      comment += `${status} **${task.type}**: ${task.result?.summary || 'Pending'}\n`;
    }

    comment += `\n---\n*Generated by AI Integration Swarm - ${new Date().toISOString()}*`;

    return comment;
  }

  private groupFindingsBySeverity(
    findings: ReviewFinding[]
  ): Record<string, ReviewFinding[]> {
    return findings.reduce(
      (groups, finding) => {
        const severity = finding.severity;
        if (!groups[severity]) {
          groups[severity] = [];
        }
        groups[severity].push(finding);
        return groups;
      },
      {} as Record<string, ReviewFinding[]>
    );
  }

  private async postReviewComment(
    swarm: ReviewSwarm,
    comment: string
  ): Promise<void> {
    if (!this.octokit) return;

    try {
      const [owner, repo] = swarm.repository.split('/');
      if (!owner || !repo) throw new Error('Invalid repository format');

      await this.octokit.pulls.createReview({
        owner,
        repo,
        pull_number: swarm.pullRequestNumber,
        body: comment,
        event:
          swarm.consensus!.recommendation === 'approve'
            ? 'APPROVE'
            : swarm.consensus!.recommendation === 'request_changes'
              ? 'REQUEST_CHANGES'
              : 'COMMENT',
      });

      this.emit('review-posted', { swarm, comment });
    } catch (error) {
      console.error('Failed to post review comment:', error);
      this.emit('review-post-failed', { swarm, error });
    }
  }

  /**
   * Handle webhook events
   */
  private async handlePullRequest(event: any): Promise<void> {
    const { action, pull_request, repository } = event;

    if (action === 'opened' || action === 'synchronize') {
      if (this.config.swarmReview) {
        // Create automated review swarm
        await this.triggerSwarmReview(
          repository.full_name,
          pull_request.number,
          pull_request
        );
      }
    }

    this.emit('pull-request-event', { action, pull_request, repository });
  }

  private async handleIssue(event: any): Promise<void> {
    const { action, issue, repository } = event;

    if (action === 'opened') {
      // Trigger issue triage
      await this.triageIssue(repository.full_name, issue);
    }

    this.emit('issue-event', { action, issue, repository });
  }

  private async handlePush(event: any): Promise<void> {
    const { repository, commits } = event;

    // Analyze push for quality metrics
    await this.analyzePushQuality(repository.full_name, commits);

    this.emit('push-event', { repository, commits });
  }

  private async handleReview(event: any): Promise<void> {
    const { action, review, pull_request, repository } = event;

    // Track review metrics
    await this.trackReviewMetrics(
      repository.full_name,
      pull_request.number,
      review
    );

    this.emit('review-event', { action, review, pull_request, repository });
  }

  private async triggerSwarmReview(
    repository: string,
    pullRequestNumber: number,
    prDetails: any
  ): Promise<void> {
    try {
      // Select appropriate agents for review
      const reviewAgents = await this.selectReviewAgents(prDetails);

      // Create review swarm
      const swarm = await this.createCodeReviewSwarm(
        repository,
        pullRequestNumber,
        reviewAgents
      );

      this.emit('swarm-review-triggered', {
        repository,
        pullRequestNumber,
        swarm,
      });
    } catch (error) {
      console.error('Failed to trigger swarm review:', error);
      this.emit('swarm-review-failed', {
        repository,
        pullRequestNumber,
        error,
      });
    }
  }

  private async selectReviewAgents(
    prDetails: PullRequestDetails
  ): Promise<Agent[]> {
    // Select agents based on PR characteristics
    const agents: Agent[] = [];
    const prSize = prDetails.additions + prDetails.deletions;
    const isLargePR = prSize > 500 || prDetails.changed_files > 10;

    // Always include a code reviewer
    agents.push({
      id: 'reviewer-001',
      type: 'reviewer',
      category: 'core',
      capabilities: ['code-review', 'quality-assurance', 'standards'],
      status: 'active',
      topology: 'mesh',
      sessionId: 'github-session',
      createdAt: new Date(),
      metrics: {
        tasksCompleted: 50,
        successRate: 0.85,
        averageResponseTime: 2000,
      },
    });

    // Add security agent for larger PRs or if security-related changes detected
    const prTitle = (prDetails.title || '').toLowerCase();
    const needsSecurityReview =
      isLargePR ||
      prTitle.includes('auth') ||
      prTitle.includes('security') ||
      prTitle.includes('password');

    if (needsSecurityReview) {
      agents.push({
        id: 'security-001',
        type: 'security-manager',
        category: 'consensus',
        capabilities: [
          'security',
          'encryption',
          'authentication',
          'code-review',
        ],
        status: 'active',
        topology: 'mesh',
        sessionId: 'github-session',
        createdAt: new Date(),
        metrics: {
          tasksCompleted: 30,
          successRate: 0.9,
          averageResponseTime: 3000,
        },
      });
    }

    // Add performance agent for large changes
    if (prDetails.additions > 300) {
      agents.push({
        id: 'performance-001',
        type: 'perf-analyzer',
        category: 'performance',
        capabilities: ['performance', 'optimization', 'profiling'],
        status: 'active',
        topology: 'mesh',
        sessionId: 'github-session',
        createdAt: new Date(),
        metrics: {
          tasksCompleted: 25,
          successRate: 0.88,
          averageResponseTime: 2500,
        },
      });
    }

    return agents;
  }

  private async triageIssue(repository: string, issue: any): Promise<void> {
    // Implement intelligent issue triage
    const analysis = await this.analyzeIssue(issue);

    if (analysis.priority === 'high') {
      await this.escalateIssue(repository, issue);
    }
  }

  private async analyzeIssue(issue: IssueDetails): Promise<IssueAnalysis> {
    // Comprehensive issue analysis including title and body
    const title = issue.title.toLowerCase();
    const body = (issue.body || '').toLowerCase();
    const combinedText = `${title} ${body}`;

    let priority: 'low' | 'medium' | 'high' = 'medium';
    const labels: string[] = [];

    // Check for high priority indicators in both title and body
    if (
      combinedText.includes('critical') ||
      combinedText.includes('urgent') ||
      combinedText.includes('security') ||
      combinedText.includes('vulnerability') ||
      combinedText.includes('production down') ||
      combinedText.includes('data loss')
    ) {
      priority = 'high';
      if (
        combinedText.includes('security') ||
        combinedText.includes('vulnerability')
      ) {
        labels.push('security');
      }
    } else if (
      combinedText.includes('minor') ||
      combinedText.includes('typo') ||
      combinedText.includes('documentation')
    ) {
      priority = 'low';
      if (combinedText.includes('documentation')) {
        labels.push('documentation');
      }
    }

    // Detect issue type from body content
    if (
      body.includes('error') ||
      body.includes('exception') ||
      body.includes('crash')
    ) {
      labels.push('bug');
    }
    if (
      body.includes('feature') ||
      body.includes('enhancement') ||
      body.includes('request')
    ) {
      labels.push('enhancement');
    }

    return {
      priority,
      labels,
      analysis: `Automated issue analysis - Priority: ${priority}`,
      hasStackTrace:
        body.includes('stack trace') ||
        body.includes('at ') ||
        body.includes('Error:'),
    };
  }

  private async escalateIssue(repository: string, issue: any): Promise<void> {
    console.info(
      `Escalating high-priority issue: ${issue.title} in ${repository}`
    );
  }

  private async analyzePushQuality(
    repository: string,
    commits: any[]
  ): Promise<void> {
    // Analyze commit quality
    for (const commit of commits) {
      const analysis = this.analyzeCommitMessage(commit.message);
      if (analysis.quality < 0.5) {
        console.warn(`Low quality commit detected: ${commit.id}`);
      }
    }
  }

  private analyzeCommitMessage(message: string): { quality: number } {
    let quality = 0.5;

    // Check length
    if (message.length > 20 && message.length < 100) quality += 0.2;

    // Check for conventional commit format
    if (
      /^(feat|fix|docs|style|refactor|test|chore)(\(.+\))?: .+/.test(message)
    ) {
      quality += 0.3;
    }

    return { quality: Math.min(quality, 1) };
  }

  private async trackReviewMetrics(
    repository: string,
    pullRequestNumber: number,
    review: any
  ): Promise<void> {
    // Track review metrics for analysis
    const metrics = {
      repository,
      pullRequestNumber,
      reviewerId: review.user.login,
      state: review.state,
      createdAt: review.created_at,
      commentCount: review.body ? 1 : 0,
    };

    this.emit('review-metrics-tracked', metrics);
  }

  async getMetrics(): Promise<any> {
    return {
      reviewSwarms: this.reviewSwarms.size,
      autoReviewEnabled: this.config.autoReview,
      swarmReviewEnabled: this.config.swarmReview,
      integrationBranches: this.config.integrationBranches.length,
      webhookHandler: await this.webhookHandler.getMetrics(),
      qualityAssurance: await this.qualityAssurance.getMetrics(),
      automationEngine: await this.automationEngine.getMetrics(),
      repositoryMonitor: await this.repositoryMonitor.getMetrics(),
    };
  }

  async shutdown(): Promise<OperationResult> {
    try {
      // Shutdown all review swarms
      for (const swarm of this.reviewSwarms.values()) {
        swarm.status = 'cancelled';
      }
      this.reviewSwarms.clear();

      // Shutdown subsystems
      await this.webhookHandler.shutdown();
      await this.qualityAssurance.shutdown();
      await this.automationEngine.shutdown();
      await this.repositoryMonitor.shutdown();

      return {
        success: true,
        message: 'GitHub Integration shutdown completed',
      };
    } catch (error) {
      return {
        success: false,
        message: `Shutdown failed: ${error.message}`,
        error: error,
      };
    }
  }
}

// Supporting Interfaces and Classes

interface ReviewSwarm {
  id: string;
  repository: string;
  pullRequestNumber: number;
  agents: Map<string, Agent>;
  status: 'initializing' | 'reviewing' | 'completed' | 'failed' | 'cancelled';
  createdAt: Date;
  reviewTasks: ReviewTask[];
  findings: ReviewFinding[];
  consensus: ReviewConsensus | null;
  metadata: any;
}

interface ReviewTask {
  id: string;
  type: string;
  description: string;
  assignedAgents: string[];
  status: 'pending' | 'in-progress' | 'completed' | 'failed';
  priority: 'low' | 'medium' | 'high';
  result?: any;
  error?: any;
}

interface ReviewFinding {
  type: string;
  severity: 'low' | 'medium' | 'high' | 'critical';
  message: string;
  file: string | null;
  line: number | null;
  suggestion?: string;
}

interface ReviewConsensus {
  recommendation: 'approve' | 'request_changes' | 'comment';
  confidence: number;
  participatingAgents: string[];
  agreement: number;
  summary: string;
  timestamp: Date;
}

interface PullRequestDetails {
  title: string;
  body: string;
  additions: number;
  deletions: number;
  changed_files: number;
  head: { ref: string; sha: string };
  base: { ref: string; sha: string };
  user: { login: string };
  state: string;
}

interface IssueDetails {
  title: string;
  body: string | null;
  number: number;
  state: string;
  user: { login: string };
  labels: Array<{ name: string }>;
}

interface IssueAnalysis {
  priority: 'low' | 'medium' | 'high';
  labels: string[];
  analysis: string;
  hasStackTrace: boolean;
}

class WebhookHandler extends EventEmitter {
  private config: GitHubConfig;

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

  async initialize(): Promise<void> {
    // Initialize webhook handling
  }

  async getMetrics(): Promise<any> {
    return {
      webhookSecret: !!this.config.webhookSecret,
      eventsHandled: 0,
    };
  }

  async shutdown(): Promise<void> {
    // Cleanup webhook handler
  }
}

class QualityAssurance {
  async initialize(): Promise<void> {
    // Initialize quality assurance
  }

  async getMetrics(): Promise<any> {
    return {
      qualityChecks: 0,
      averageQualityScore: 0.85,
    };
  }

  async shutdown(): Promise<void> {
    // Cleanup quality assurance
  }
}

class AutomationEngine {
  private config: GitHubConfig;

  constructor(config: GitHubConfig) {
    this.config = config;
  }

  async initialize(): Promise<void> {
    // Initialize automation engine
  }

  async getMetrics(): Promise<any> {
    return {
      autoReview: this.config.autoReview,
      automatedActions: 0,
    };
  }

  async shutdown(): Promise<void> {
    // Cleanup automation engine
  }
}

class RepositoryMonitor {
  private monitoredRepos: Set<string> = new Set();

  async initialize(): Promise<void> {
    // Initialize repository monitoring
  }

  async startMonitoring(repository: string): Promise<void> {
    this.monitoredRepos.add(repository);
  }

  async getMetrics(): Promise<any> {
    return {
      monitoredRepositories: this.monitoredRepos.size,
      repositories: Array.from(this.monitoredRepos),
    };
  }

  async shutdown(): Promise<void> {
    this.monitoredRepos.clear();
  }
}