/**
 * Agentic-QE Plugin Implementation
 * Main plugin class implementing PluginInterface with lifecycle methods
 *
 * @module v3/plugins/agentic-qe/plugin
 * @version 3.2.3
 */

// Bridge interfaces are available but not directly used in this scaffold
// They will be used by the full implementation
import type { QEPluginContext } from './interfaces.js';

import type {
  AQEPluginConfig,
  BoundedContext,
  ContextMapping,
  ModelTier,
  QEMemoryNamespace,
  SecurityLevel,
  V3Domain,
} from './types.js';

import {
  PluginConfigSchema,
  parseWithDefaults,
} from './schemas.js';

// =============================================================================
// Local Interface Definitions (for plugin system integration)
// =============================================================================

/**
 * Plugin interface for V3 plugin system
 */
interface IPlugin {
  readonly name: string;
  readonly version: string;
  readonly description: string;
  readonly author: string;
  readonly capabilities: readonly string[];
  register(registry: IPluginRegistry): Promise<void>;
  initialize(context: IPluginContext): Promise<void>;
  shutdown(): Promise<void>;
  getHealth(): Promise<PluginHealthStatus>;
}

/**
 * Plugin registry for tool/hook/worker registration
 */
interface IPluginRegistry {
  registerTool?(tool: IMCPTool): void;
  registerHook?(hook: QEHookDefinition): void;
  registerWorker?(worker: QEWorkerDefinition): void;
  registerAgent?(agent: QEAgentDefinition): void;
  registerTools?(tools: IMCPTool[]): void;
  registerHooks?(hooks: QEHookDefinition[]): void;
  registerWorkers?(workers: QEWorkerDefinition[]): void;
  registerAgents?(agents: QEAgentDefinition[]): void;
}

/**
 * Plugin context with V3 services
 */
interface IPluginContext {
  services: {
    memory?: unknown;
    security?: unknown;
    embeddings?: unknown;
    modelRouter?: unknown;
    hiveMind?: unknown;
    ui?: unknown;
  };
  config: Record<string, unknown>;
  logger: {
    debug(message: string, ...args: unknown[]): void;
    info(message: string, ...args: unknown[]): void;
    warn(message: string, ...args: unknown[]): void;
    error(message: string, ...args: unknown[]): void;
  };
  getConfig?(): Record<string, unknown>;
  set?(key: string, value: unknown): void;
  getMemoryService?(): {
    clearNamespace(ns: string): Promise<void>;
    createNamespace?(config: unknown): Promise<void>;
  } | null;
  getSecurityModule?(): { pathValidator: { validate(path: string): Promise<{ valid: boolean; error?: string }> } } | null;
  getUIService?(): { confirm(message: string): Promise<boolean> } | null;
}

/**
 * MCP tool interface
 */
interface IMCPTool {
  name: string;
  description: string;
  inputSchema: Record<string, unknown>;
  category?: string;
  version?: string;
  handler?: (input: unknown, context: IPluginContext) => Promise<MCPToolResult>;
  execute?: (input: unknown, context: IPluginContext) => Promise<MCPToolResult>;
}

/**
 * MCP tool result
 */
interface MCPToolResult {
  content?: Array<{ type: string; text: string }>;
  success?: boolean;
  data?: unknown;
  error?: string;
  isError?: boolean;
}

/**
 * Plugin health status
 */
interface PluginHealthStatus {
  healthy: boolean;
  status?: 'healthy' | 'degraded' | 'unhealthy';
  components: Record<string, ComponentHealth>;
  lastCheck: number;
  uptime: number;
}

/**
 * Component health
 */
interface ComponentHealth {
  name: string;
  healthy: boolean;
  status?: 'healthy' | 'degraded' | 'unhealthy';
  message?: string;
  lastCheck: number;
  lastSuccess?: number;
}

/**
 * Hook definition
 */
interface QEHookDefinition {
  name: string;
  event: string;
  priority: 'low' | 'normal' | 'high' | 'critical';
  description?: string;
  handler: string | ((context: IPluginContext, data: unknown) => Promise<void>);
}

/**
 * Worker definition
 */
interface QEWorkerDefinition {
  name: string;
  type: string;
  capabilities?: string[];
  maxConcurrent?: number;
  handler?: (context: IPluginContext, input: unknown) => Promise<unknown>;
}

/**
 * Agent definition
 */
interface QEAgentDefinition {
  id: string;
  name?: string;
  type?: string;
  context: string | BoundedContext;
  capabilities: string[];
  modelTier?: ModelTier;
  description?: string;
}

/**
 * Context mapper interface
 */
interface IContextMapper {
  mapToV3Domain(context: BoundedContext): V3Domain[];
  getAgentsForContext(context: BoundedContext): string[];
  getMemoryNamespace(context: BoundedContext): string;
  getSecurityLevel(context: BoundedContext): SecurityLevel;
}

/**
 * Security sandbox interface
 */
interface ISecuritySandbox {
  execute<T>(fn: () => Promise<T>, options?: SandboxExecutionOptions): Promise<T>;
  validatePath(path: string): boolean;
  getResourceUsage(): ResourceUsage;
}

interface SandboxExecutionOptions {
  timeout?: number;
  maxMemory?: number;
  allowNetwork?: boolean;
  allowFileSystem?: boolean;
  allowFileWrite?: boolean;
  workingDirectory?: string;
  securityLevel?: SecurityLevel;
}

interface ResourceUsage {
  memoryBytes?: number;
  memoryUsed?: number;
  cpuMs?: number;
  cpuTime?: number;
  networkRequests?: number;
  fileOperations?: number;
  activeOperations?: number;
}

// =============================================================================
// Constants
// =============================================================================

const PLUGIN_NAME = 'agentic-qe';
const PLUGIN_VERSION = '3.2.3';
const PLUGIN_DESCRIPTION = 'Quality Engineering plugin with 51 specialized agents across 12 DDD bounded contexts';
const PLUGIN_AUTHOR = 'rUv';

const PLUGIN_CAPABILITIES = [
  'test-generation',
  'test-execution',
  'coverage-analysis',
  'quality-assessment',
  'defect-intelligence',
  'requirements-validation',
  'code-intelligence',
  'security-compliance',
  'contract-testing',
  'visual-accessibility',
  'chaos-resilience',
  'learning-optimization',
] as const;

// =============================================================================
// Context Mapper Implementation
// =============================================================================

/**
 * Maps QE bounded contexts to V3 domains
 */
class ContextMapper implements IContextMapper {
  private mappings: Map<BoundedContext, ContextMapping> = new Map();

  constructor() {
    this.initializeMappings();
  }

  private initializeMappings(): void {
    const mappingData: ContextMapping[] = [
      {
        qeContext: 'test-generation',
        v3Domains: ['Core', 'Integration'],
        agents: [
          'unit-test-generator', 'integration-test-generator',
          'e2e-test-generator', 'property-test-generator',
          'mutation-test-generator', 'fuzz-test-generator',
          'api-test-generator', 'performance-test-generator',
          'security-test-generator', 'accessibility-test-generator',
          'contract-test-generator', 'bdd-test-generator',
        ],
        memoryNamespace: 'aqe/v3/test-patterns',
        securityLevel: 'medium',
      },
      {
        qeContext: 'test-execution',
        v3Domains: ['Core', 'Coordination'],
        agents: [
          'test-runner', 'parallel-executor', 'retry-manager',
          'result-aggregator', 'flaky-test-detector',
          'timeout-manager', 'resource-allocator', 'test-reporter',
        ],
        memoryNamespace: 'aqe/v3/test-execution',
        securityLevel: 'high',
      },
      {
        qeContext: 'coverage-analysis',
        v3Domains: ['Core', 'Memory'],
        agents: [
          'coverage-collector', 'gap-detector', 'priority-ranker',
          'hotspot-analyzer', 'trend-tracker', 'impact-assessor',
        ],
        memoryNamespace: 'aqe/v3/coverage-data',
        securityLevel: 'low',
      },
      {
        qeContext: 'quality-assessment',
        v3Domains: ['Core'],
        agents: [
          'quality-gate-evaluator', 'readiness-assessor',
          'risk-calculator', 'metric-aggregator', 'decision-maker',
        ],
        memoryNamespace: 'aqe/v3/quality',
        securityLevel: 'low',
      },
      {
        qeContext: 'defect-intelligence',
        v3Domains: ['Core', 'Memory'],
        agents: [
          'defect-predictor', 'root-cause-analyzer',
          'pattern-detector', 'regression-tracker',
        ],
        memoryNamespace: 'aqe/v3/defect-patterns',
        securityLevel: 'low',
      },
      {
        qeContext: 'requirements-validation',
        v3Domains: ['Core'],
        agents: [
          'bdd-validator', 'testability-analyzer', 'requirement-tracer',
        ],
        memoryNamespace: 'aqe/v3/requirements',
        securityLevel: 'low',
      },
      {
        qeContext: 'code-intelligence',
        v3Domains: ['Core', 'Memory', 'Integration'],
        agents: [
          'knowledge-graph-builder', 'semantic-searcher',
          'dependency-analyzer', 'complexity-assessor', 'pattern-miner',
        ],
        memoryNamespace: 'aqe/v3/code-knowledge',
        securityLevel: 'medium',
      },
      {
        qeContext: 'security-compliance',
        v3Domains: ['Security'],
        agents: [
          'sast-scanner', 'dast-scanner',
          'audit-trail-manager', 'compliance-checker',
        ],
        memoryNamespace: 'aqe/v3/security-findings',
        securityLevel: 'critical',
      },
      {
        qeContext: 'contract-testing',
        v3Domains: ['Integration'],
        agents: [
          'openapi-validator', 'graphql-validator', 'grpc-validator',
        ],
        memoryNamespace: 'aqe/v3/contracts',
        securityLevel: 'medium',
      },
      {
        qeContext: 'visual-accessibility',
        v3Domains: ['Integration'],
        agents: [
          'visual-regression-detector', 'wcag-checker', 'screenshot-differ',
        ],
        memoryNamespace: 'aqe/v3/visual-baselines',
        securityLevel: 'medium',
      },
      {
        qeContext: 'chaos-resilience',
        v3Domains: ['Core', 'Coordination'],
        agents: [
          'chaos-injector', 'load-generator',
          'resilience-assessor', 'recovery-validator',
        ],
        memoryNamespace: 'aqe/v3/chaos-experiments',
        securityLevel: 'critical',
      },
      {
        qeContext: 'learning-optimization',
        v3Domains: ['Memory', 'Integration'],
        agents: [
          'cross-domain-learner', 'pattern-optimizer',
        ],
        memoryNamespace: 'aqe/v3/learning-trajectories',
        securityLevel: 'low',
      },
    ];

    for (const mapping of mappingData) {
      this.mappings.set(mapping.qeContext, mapping);
    }
  }

  getMapping(context: BoundedContext): ContextMapping | undefined {
    return this.mappings.get(context);
  }

  mapToV3Domain(context: BoundedContext): V3Domain[] {
    return this.mappings.get(context)?.v3Domains ?? [];
  }

  getV3DomainsForContext(context: BoundedContext): V3Domain[] {
    return this.mappings.get(context)?.v3Domains ?? [];
  }

  getAgentsForContext(context: BoundedContext): string[] {
    return this.mappings.get(context)?.agents ?? [];
  }

  getAllAgents(): string[] {
    return Array.from(this.mappings.values()).flatMap((m) => m.agents);
  }

  getSecurityLevel(context: BoundedContext): SecurityLevel {
    return this.mappings.get(context)?.securityLevel ?? 'medium';
  }

  getMemoryNamespace(context: BoundedContext): string {
    return this.mappings.get(context)?.memoryNamespace ?? 'aqe/v3/default';
  }
}

// =============================================================================
// Security Sandbox Implementation
// =============================================================================

/**
 * Security sandbox for executing test code safely
 */
class SecuritySandbox implements ISecuritySandbox {
  private config: AQEPluginConfig['sandbox'];
  private activeOperations = 0;

  constructor(config: AQEPluginConfig['sandbox']) {
    this.config = config;
  }

  async execute<T>(
    fn: () => Promise<T>,
    options: {
      securityLevel?: SecurityLevel;
      allowNetwork?: boolean;
      allowFileWrite?: boolean;
      timeout?: number;
    } = {}
  ): Promise<T> {
    const timeout = options.timeout ?? this.config?.maxExecutionTime ?? 30000;
    const level = options.securityLevel ?? 'medium';

    // Validate execution is allowed
    if (!this.checkPolicy('execute', level)) {
      throw new Error(`Execution not allowed at security level: ${level}`);
    }

    this.activeOperations++;

    try {
      // Create timeout promise
      const timeoutPromise = new Promise<never>((_, reject) => {
        setTimeout(
          () => reject(new Error(`Execution timeout after ${timeout}ms`)),
          timeout
        );
      });

      // Race execution against timeout
      return await Promise.race([fn(), timeoutPromise]);
    } finally {
      this.activeOperations--;
    }
  }

  checkPolicy(operation: string, level: SecurityLevel): boolean {
    const levelPriority: Record<SecurityLevel, number> = {
      low: 1,
      medium: 2,
      high: 3,
      critical: 4,
    };

    // Critical operations require explicit approval
    if (levelPriority[level] >= 4 && operation === 'execute') {
      return this.config?.networkPolicy !== 'blocked';
    }

    return true;
  }

  validatePath(path: string): boolean {
    // Check against blocked paths
    const blockedPaths = this.config?.blockedPaths ?? ['/etc', '/proc', '/sys'];
    for (const blocked of blockedPaths) {
      if (path.startsWith(blocked)) {
        return false;
      }
    }
    return true;
  }

  getResourceUsage(): ResourceUsage {
    return {
      memoryUsed: process.memoryUsage().heapUsed,
      memoryBytes: process.memoryUsage().heapUsed,
      cpuTime: process.cpuUsage().user,
      cpuMs: process.cpuUsage().user / 1000,
      activeOperations: this.activeOperations,
      networkRequests: 0,
      fileOperations: 0,
    };
  }
}

// =============================================================================
// Memory Namespace Definitions
// =============================================================================

/**
 * Get all QE memory namespace definitions
 */
function getMemoryNamespaces(): QEMemoryNamespace[] {
  return [
    {
      name: 'aqe/v3/test-patterns',
      description: 'Learned test generation patterns',
      vectorDimension: 384,
      hnswConfig: { m: 16, efConstruction: 200, efSearch: 100 },
      schema: {
        patternType: { type: 'string', index: true },
        language: { type: 'string', index: true },
        framework: { type: 'string', index: true },
        effectiveness: { type: 'number' },
        usageCount: { type: 'number' },
      },
      ttl: null,
    },
    {
      name: 'aqe/v3/coverage-data',
      description: 'Coverage analysis results and gaps',
      vectorDimension: 384,
      hnswConfig: { m: 12, efConstruction: 150, efSearch: 50 },
      schema: {
        filePath: { type: 'string', index: true },
        linesCovered: { type: 'number' },
        linesTotal: { type: 'number' },
        branchCoverage: { type: 'number' },
        gapType: { type: 'string', index: true },
        priority: { type: 'number' },
      },
      ttl: 86400000, // 24h
    },
    {
      name: 'aqe/v3/defect-patterns',
      description: 'Defect intelligence and predictions',
      vectorDimension: 384,
      hnswConfig: { m: 16, efConstruction: 200, efSearch: 100 },
      schema: {
        defectType: { type: 'string', index: true },
        severity: { type: 'string', index: true },
        rootCause: { type: 'string' },
        resolution: { type: 'string' },
        recurrence: { type: 'number' },
      },
      ttl: null,
    },
    {
      name: 'aqe/v3/code-knowledge',
      description: 'Code intelligence knowledge graph',
      vectorDimension: 384,
      hnswConfig: { m: 24, efConstruction: 300, efSearch: 150 },
      schema: {
        nodeType: { type: 'string', index: true },
        nodeName: { type: 'string', index: true },
        filePath: { type: 'string', index: true },
        complexity: { type: 'number' },
        dependencies: { type: 'string' },
      },
      ttl: null,
    },
    {
      name: 'aqe/v3/security-findings',
      description: 'Security scan findings and compliance',
      vectorDimension: 384,
      hnswConfig: { m: 16, efConstruction: 200, efSearch: 100 },
      schema: {
        findingType: { type: 'string', index: true },
        severity: { type: 'string', index: true },
        cweId: { type: 'string', index: true },
        filePath: { type: 'string' },
        lineNumber: { type: 'number' },
        remediation: { type: 'string' },
      },
      ttl: null,
    },
    {
      name: 'aqe/v3/contracts',
      description: 'API contract definitions and validations',
      vectorDimension: 384,
      hnswConfig: { m: 12, efConstruction: 150, efSearch: 50 },
      schema: {
        contractType: { type: 'string', index: true },
        serviceName: { type: 'string', index: true },
        version: { type: 'string' },
        endpoint: { type: 'string' },
        validationStatus: { type: 'string', index: true },
      },
      ttl: null,
    },
    {
      name: 'aqe/v3/visual-baselines',
      description: 'Visual regression baselines and diffs',
      vectorDimension: 768, // Higher dim for image embeddings
      hnswConfig: { m: 32, efConstruction: 400, efSearch: 200 },
      schema: {
        componentId: { type: 'string', index: true },
        viewport: { type: 'string', index: true },
        baselineHash: { type: 'string' },
        lastUpdated: { type: 'number' },
      },
      ttl: null,
    },
    {
      name: 'aqe/v3/chaos-experiments',
      description: 'Chaos engineering experiments and results',
      vectorDimension: 384,
      hnswConfig: { m: 12, efConstruction: 150, efSearch: 50 },
      schema: {
        experimentType: { type: 'string', index: true },
        targetService: { type: 'string', index: true },
        failureMode: { type: 'string' },
        impactLevel: { type: 'string' },
        recoveryTime: { type: 'number' },
      },
      ttl: 604800000, // 7 days
    },
    {
      name: 'aqe/v3/learning-trajectories',
      description: 'ReasoningBank learning trajectories for QE',
      vectorDimension: 384,
      hnswConfig: { m: 16, efConstruction: 200, efSearch: 100 },
      schema: {
        taskType: { type: 'string', index: true },
        agentId: { type: 'string', index: true },
        success: { type: 'boolean', index: true },
        reward: { type: 'number' },
        trajectory: { type: 'string' },
      },
      ttl: null,
    },
  ];
}

// =============================================================================
// AQE Plugin Class
// =============================================================================

/**
 * Main Agentic-QE Plugin class
 * Implements IPlugin interface for claude-flow integration
 */
export class AQEPlugin implements IPlugin {
  readonly name = PLUGIN_NAME;
  readonly version = PLUGIN_VERSION;
  readonly description = PLUGIN_DESCRIPTION;
  readonly author = PLUGIN_AUTHOR;
  readonly capabilities = [...PLUGIN_CAPABILITIES];

  private config: AQEPluginConfig | null = null;
  private context: IPluginContext | null = null;
  private contextMapper: ContextMapper | null = null;
  private sandbox: SecuritySandbox | null = null;
  private initialized = false;
  private componentHealth: Map<string, ComponentHealth> = new Map();

  /**
   * Register the plugin with the plugin system
   */
  async register(registry: IPluginRegistry): Promise<void> {
    // Register MCP tools - use batch or individual registration
    const tools = this.getMCPTools();
    if (registry.registerTools) {
      registry.registerTools(tools);
    } else if (registry.registerTool) {
      for (const tool of tools) {
        registry.registerTool(tool);
      }
    }

    // Register hooks
    const hooks = this.getHooks();
    if (registry.registerHooks) {
      registry.registerHooks(hooks);
    } else if (registry.registerHook) {
      for (const hook of hooks) {
        registry.registerHook(hook);
      }
    }

    // Register workers
    const workers = this.getWorkers();
    if (registry.registerWorkers) {
      registry.registerWorkers(workers);
    } else if (registry.registerWorker) {
      for (const worker of workers) {
        registry.registerWorker(worker);
      }
    }

    // Register agents
    const agents = this.getAgents();
    if (registry.registerAgents) {
      registry.registerAgents(agents);
    } else if (registry.registerAgent) {
      for (const agent of agents) {
        registry.registerAgent(agent);
      }
    }

    this.updateHealth('registry', 'healthy', 'Plugin registered successfully');
  }

  /**
   * Initialize the plugin with context
   */
  async initialize(context: IPluginContext): Promise<void> {
    if (this.initialized) {
      throw new Error('Plugin already initialized');
    }

    this.context = context;
    const configData = context.getConfig?.() ?? context.config ?? {};
    this.config = parseWithDefaults(PluginConfigSchema, configData) as AQEPluginConfig;

    // Initialize context mapper
    this.contextMapper = new ContextMapper();
    context.set?.('aqe.contextMapper', this.contextMapper);
    this.updateHealth('contextMapper', 'healthy', 'Context mapper initialized');

    // Initialize security sandbox
    this.sandbox = new SecuritySandbox(this.config.sandbox ?? undefined);
    context.set?.('aqe.sandbox', this.sandbox);
    this.updateHealth('sandbox', 'healthy', 'Security sandbox initialized');

    // Initialize memory namespaces
    try {
      await this.initializeMemoryNamespaces();
      this.updateHealth('memory', 'healthy', 'Memory namespaces initialized');
    } catch (error) {
      this.updateHealth(
        'memory',
        'degraded',
        `Memory initialization failed: ${(error as Error).message}`
      );
    }

    this.initialized = true;
    this.updateHealth('plugin', 'healthy', 'Plugin fully initialized');
  }

  /**
   * Shutdown the plugin cleanly
   */
  async shutdown(): Promise<void> {
    if (!this.initialized) {
      return;
    }

    // Cleanup temporary memory data
    try {
      const memoryService = this.context?.getMemoryService?.();
      if (memoryService) {
        // Only clear temporary namespaces
        const tempNamespaces = ['aqe/v3/coverage-data'];
        for (const ns of tempNamespaces) {
          await memoryService.clearNamespace(ns).catch(() => {
            // Ignore cleanup errors
          });
        }
      }
    } catch {
      // Ignore cleanup errors during shutdown
    }

    this.initialized = false;
    this.context = null;
    this.config = null;
    this.contextMapper = null;
    this.sandbox = null;
    this.componentHealth.clear();
  }

  /**
   * Get plugin health status
   */
  async getHealth(): Promise<PluginHealthStatus> {
    const components: Record<string, ComponentHealth> = {};
    let overallStatus: 'healthy' | 'degraded' | 'unhealthy' = 'healthy';

    for (const [name, health] of this.componentHealth) {
      components[name] = health;
      if (health.status === 'unhealthy') {
        overallStatus = 'unhealthy';
      } else if (health.status === 'degraded' && overallStatus === 'healthy') {
        overallStatus = 'degraded';
      }
    }

    return {
      healthy: overallStatus === 'healthy',
      status: overallStatus,
      components,
      lastCheck: Date.now(),
      uptime: Date.now() - (this.initialized ? 0 : Date.now()),
    };
  }

  // ==========================================================================
  // Private Methods
  // ==========================================================================

  private updateHealth(
    component: string,
    status: 'healthy' | 'degraded' | 'unhealthy',
    message: string
  ): void {
    this.componentHealth.set(component, {
      name: component,
      healthy: status === 'healthy',
      status,
      message,
      lastCheck: Date.now(),
      lastSuccess: status === 'healthy' ? Date.now() : undefined,
    });
  }

  private async initializeMemoryNamespaces(): Promise<void> {
    const memoryService = this.context?.getMemoryService?.();
    if (!memoryService?.createNamespace) {
      // Memory service not available or doesn't support namespace creation
      return;
    }

    const namespaces = getMemoryNamespaces();
    for (const ns of namespaces) {
      await memoryService.createNamespace({
        name: ns.name,
        vectorDimension: ns.vectorDimension,
        hnswConfig: ns.hnswConfig,
        schema: ns.schema as Record<string, unknown>,
      });
    }
  }

  private getMCPTools(): IMCPTool[] {
    return [
      {
        name: 'aqe/generate-tests',
        description: 'Generate tests for code using AI-powered test generation',
        category: 'test-generation',
        version: this.version,
        inputSchema: {
          type: 'object',
          properties: {
            targetPath: { type: 'string', description: 'Path to file/directory to test' },
            testType: {
              type: 'string',
              enum: ['unit', 'integration', 'e2e', 'property', 'mutation', 'fuzz'],
              default: 'unit',
            },
            framework: {
              type: 'string',
              enum: ['vitest', 'jest', 'mocha', 'pytest', 'junit'],
            },
            coverage: {
              type: 'object',
              properties: {
                target: { type: 'number', default: 80 },
                focusGaps: { type: 'boolean', default: true },
              },
            },
            style: {
              type: 'string',
              enum: ['tdd-london', 'tdd-chicago', 'bdd', 'example-based'],
              default: 'tdd-london',
            },
          },
          required: ['targetPath'],
        },
        handler: this.handleGenerateTests.bind(this),
      },
      {
        name: 'aqe/analyze-coverage',
        description: 'Analyze code coverage with O(log n) gap detection',
        category: 'coverage-analysis',
        version: this.version,
        inputSchema: {
          type: 'object',
          properties: {
            coverageReport: { type: 'string' },
            targetPath: { type: 'string' },
            algorithm: {
              type: 'string',
              enum: ['johnson-lindenstrauss', 'full-scan'],
              default: 'johnson-lindenstrauss',
            },
            prioritize: { type: 'boolean', default: true },
          },
          required: ['targetPath'],
        },
        handler: this.handleAnalyzeCoverage.bind(this),
      },
      {
        name: 'aqe/security-scan',
        description: 'Run SAST/DAST security scans with compliance checking',
        category: 'security-compliance',
        version: this.version,
        inputSchema: {
          type: 'object',
          properties: {
            targetPath: { type: 'string' },
            scanType: { type: 'string', enum: ['sast', 'dast', 'both'], default: 'sast' },
            compliance: {
              type: 'array',
              items: { type: 'string' },
              default: ['owasp-top-10'],
            },
            severity: { type: 'string', default: 'all' },
          },
          required: ['targetPath'],
        },
        handler: this.handleSecurityScan.bind(this),
      },
      {
        name: 'aqe/evaluate-quality-gate',
        description: 'Evaluate quality gates for release readiness',
        category: 'quality-assessment',
        version: this.version,
        inputSchema: {
          type: 'object',
          properties: {
            gates: { type: 'array' },
            defaults: { type: 'string', enum: ['strict', 'standard', 'minimal'], default: 'standard' },
          },
        },
        handler: this.handleEvaluateQualityGate.bind(this),
      },
      {
        name: 'aqe/predict-defects',
        description: 'Predict potential defects using ML-based analysis',
        category: 'defect-intelligence',
        version: this.version,
        inputSchema: {
          type: 'object',
          properties: {
            targetPath: { type: 'string' },
            depth: { type: 'string', enum: ['shallow', 'medium', 'deep'], default: 'medium' },
            includeRootCause: { type: 'boolean', default: true },
          },
          required: ['targetPath'],
        },
        handler: this.handlePredictDefects.bind(this),
      },
      {
        name: 'aqe/validate-contract',
        description: 'Validate API contracts (OpenAPI, GraphQL, gRPC)',
        category: 'contract-testing',
        version: this.version,
        inputSchema: {
          type: 'object',
          properties: {
            contractPath: { type: 'string' },
            contractType: { type: 'string', enum: ['openapi', 'graphql', 'grpc', 'asyncapi'] },
            targetUrl: { type: 'string' },
            strict: { type: 'boolean', default: true },
          },
          required: ['contractPath', 'contractType'],
        },
        handler: this.handleValidateContract.bind(this),
      },
      {
        name: 'aqe/chaos-inject',
        description: 'Inject chaos failures for resilience testing',
        category: 'chaos-resilience',
        version: this.version,
        inputSchema: {
          type: 'object',
          properties: {
            target: { type: 'string' },
            failureType: {
              type: 'string',
              enum: ['network-latency', 'network-partition', 'cpu-stress', 'memory-pressure', 'disk-failure', 'process-kill'],
            },
            duration: { type: 'number', default: 30 },
            intensity: { type: 'number', default: 0.5 },
            dryRun: { type: 'boolean', default: true },
          },
          required: ['target', 'failureType'],
        },
        handler: this.handleChaosInject.bind(this),
      },
      {
        name: 'aqe/tdd-cycle',
        description: 'Execute TDD red-green-refactor cycle with 7 specialized subagents',
        category: 'test-generation',
        version: this.version,
        inputSchema: {
          type: 'object',
          properties: {
            requirement: { type: 'string' },
            targetPath: { type: 'string' },
            style: { type: 'string', enum: ['london', 'chicago'], default: 'london' },
            maxCycles: { type: 'number', default: 10 },
          },
          required: ['requirement', 'targetPath'],
        },
        handler: this.handleTDDCycle.bind(this),
      },
    ];
  }

  private getHooks(): QEHookDefinition[] {
    return [
      {
        name: 'pre-test-execution',
        event: 'pre-test-execution',
        description: 'Validate test environment before execution',
        priority: 'high',
        handler: 'handlePreTestExecution',
      },
      {
        name: 'pre-security-scan',
        event: 'pre-security-scan',
        description: 'Validate scan targets and permissions',
        priority: 'critical',
        handler: 'handlePreSecurityScan',
      },
      {
        name: 'post-test-execution',
        event: 'post-test-execution',
        description: 'Store test results and learn patterns',
        priority: 'normal',
        handler: 'handlePostTestExecution',
      },
      {
        name: 'post-coverage-analysis',
        event: 'post-coverage-analysis',
        description: 'Store coverage data and update trends',
        priority: 'normal',
        handler: 'handlePostCoverageAnalysis',
      },
      {
        name: 'post-security-scan',
        event: 'post-security-scan',
        description: 'Store findings and update compliance status',
        priority: 'high',
        handler: 'handlePostSecurityScan',
      },
    ];
  }

  private getWorkers(): QEWorkerDefinition[] {
    return [
      {
        name: 'test-executor',
        type: 'test-executor',
        capabilities: ['test-execution', 'parallel-processing'],
        maxConcurrent: 10,
      },
      {
        name: 'coverage-analyzer',
        type: 'coverage-analyzer',
        capabilities: ['coverage-collection', 'gap-detection'],
        maxConcurrent: 5,
      },
      {
        name: 'security-scanner',
        type: 'security-scanner',
        capabilities: ['sast', 'dast'],
        maxConcurrent: 3,
      },
    ];
  }

  private getAgents(): QEAgentDefinition[] {
    const agents: QEAgentDefinition[] = [];

    // Get all agents from context mapper
    if (this.contextMapper) {
      for (const context of PLUGIN_CAPABILITIES) {
        const contextAgents = this.contextMapper.getAgentsForContext(context as BoundedContext);
        const securityLevel = this.contextMapper.getSecurityLevel(context as BoundedContext);

        for (const agentName of contextAgents) {
          agents.push({
            id: agentName,
            name: agentName.replace(/-/g, ' ').replace(/\b\w/g, (c) => c.toUpperCase()),
            context: context as BoundedContext,
            capabilities: [context],
            modelTier: this.getModelTierForSecurityLevel(securityLevel),
            description: `Agent for ${context} context`,
          });
        }
      }
    }

    return agents;
  }

  private getModelTierForSecurityLevel(level: SecurityLevel): ModelTier {
    switch (level) {
      case 'critical':
        return 'opus';
      case 'high':
        return 'sonnet';
      case 'medium':
        return 'sonnet';
      case 'low':
        return 'haiku';
      default:
        return 'sonnet';
    }
  }

  // ==========================================================================
  // MCP Tool Handlers
  // ==========================================================================

  private async handleGenerateTests(
    input: unknown,
    _context: IPluginContext
  ): Promise<MCPToolResult> {
    const result = {
      status: 'success',
      message: 'Test generation completed',
      data: {
        targetPath: (input as { targetPath: string }).targetPath,
        testType: (input as { testType?: string }).testType ?? 'unit',
        testsGenerated: 0,
        note: 'Full implementation requires agentic-qe package',
      },
    };

    return {
      content: [{ type: 'text', text: JSON.stringify(result, null, 2) }],
    };
  }

  private async handleAnalyzeCoverage(
    input: unknown,
    _context: IPluginContext
  ): Promise<MCPToolResult> {
    const result = {
      status: 'success',
      message: 'Coverage analysis completed',
      data: {
        targetPath: (input as { targetPath: string }).targetPath,
        algorithm: (input as { algorithm?: string }).algorithm ?? 'johnson-lindenstrauss',
        coverage: { lines: 0, branches: 0, functions: 0 },
        gaps: [],
        note: 'Full implementation requires agentic-qe package',
      },
    };

    return {
      content: [{ type: 'text', text: JSON.stringify(result, null, 2) }],
    };
  }

  private async handleSecurityScan(
    input: unknown,
    context: IPluginContext
  ): Promise<MCPToolResult> {
    // Validate path first
    const securityModule = context.getSecurityModule?.();
    if (securityModule) {
      const pathResult = await securityModule.pathValidator.validate(
        (input as { targetPath: string }).targetPath
      );
      if (!pathResult.valid) {
        return {
          content: [{ type: 'text', text: JSON.stringify({ error: pathResult.error }) }],
          isError: true,
        };
      }
    }

    const result = {
      status: 'success',
      message: 'Security scan completed',
      data: {
        targetPath: (input as { targetPath: string }).targetPath,
        scanType: (input as { scanType?: string }).scanType ?? 'sast',
        findings: [],
        complianceStatus: [],
        note: 'Full implementation requires agentic-qe package',
      },
    };

    return {
      content: [{ type: 'text', text: JSON.stringify(result, null, 2) }],
    };
  }

  private async handleEvaluateQualityGate(
    _input: unknown,
    _context: IPluginContext
  ): Promise<MCPToolResult> {
    const result = {
      status: 'success',
      message: 'Quality gate evaluation completed',
      data: {
        passed: true,
        qualityScore: 85,
        gateResults: [],
        readiness: {
          ready: true,
          confidence: 0.85,
          blockers: [],
          warnings: [],
        },
        note: 'Full implementation requires agentic-qe package',
      },
    };

    return {
      content: [{ type: 'text', text: JSON.stringify(result, null, 2) }],
    };
  }

  private async handlePredictDefects(
    input: unknown,
    _context: IPluginContext
  ): Promise<MCPToolResult> {
    const result = {
      status: 'success',
      message: 'Defect prediction completed',
      data: {
        targetPath: (input as { targetPath: string }).targetPath,
        predictions: [],
        hotspots: [],
        overallRisk: 0.2,
        confidence: 0.75,
        note: 'Full implementation requires agentic-qe package',
      },
    };

    return {
      content: [{ type: 'text', text: JSON.stringify(result, null, 2) }],
    };
  }

  private async handleValidateContract(
    input: unknown,
    _context: IPluginContext
  ): Promise<MCPToolResult> {
    const result = {
      status: 'success',
      message: 'Contract validation completed',
      data: {
        contractPath: (input as { contractPath: string }).contractPath,
        contractType: (input as { contractType: string }).contractType,
        valid: true,
        errors: [],
        warnings: [],
        note: 'Full implementation requires agentic-qe package',
      },
    };

    return {
      content: [{ type: 'text', text: JSON.stringify(result, null, 2) }],
    };
  }

  private async handleChaosInject(
    input: unknown,
    context: IPluginContext
  ): Promise<MCPToolResult> {
    const typedInput = input as {
      target: string;
      failureType: string;
      dryRun?: boolean;
    };

    // Check if dry run
    if (!typedInput.dryRun) {
      const uiService = context.getUIService?.();
      if (uiService) {
        const confirmed = await uiService.confirm(
          `WARNING: This will inject ${typedInput.failureType} into ${typedInput.target}. Continue?`
        );
        if (!confirmed) {
          return {
            content: [{ type: 'text', text: 'Chaos injection cancelled by user' }],
          };
        }
      }
    }

    const result = {
      status: 'success',
      message: 'Chaos injection completed',
      data: {
        target: typedInput.target,
        failureType: typedInput.failureType,
        dryRun: typedInput.dryRun ?? true,
        experimentId: `chaos-${Date.now()}`,
        observations: [],
        note: 'Full implementation requires agentic-qe package',
      },
    };

    return {
      content: [{ type: 'text', text: JSON.stringify(result, null, 2) }],
    };
  }

  private async handleTDDCycle(
    input: unknown,
    _context: IPluginContext
  ): Promise<MCPToolResult> {
    const result = {
      status: 'success',
      message: 'TDD cycle completed',
      data: {
        requirement: (input as { requirement: string }).requirement,
        targetPath: (input as { targetPath: string }).targetPath,
        style: (input as { style?: string }).style ?? 'london',
        cyclesCompleted: 0,
        testResults: { total: 0, passed: 0, failed: 0, skipped: 0 },
        agents: [
          'requirement-analyzer',
          'test-designer',
          'red-phase-executor',
          'green-phase-implementer',
          'refactor-advisor',
          'coverage-verifier',
          'cycle-coordinator',
        ],
        note: 'Full implementation requires agentic-qe package',
      },
    };

    return {
      content: [{ type: 'text', text: JSON.stringify(result, null, 2) }],
    };
  }
}