/**
 * Core type definitions for Claude-Flow
 */

// Logging configuration interface
export interface LoggingConfig {
  level: 'debug' | 'info' | 'warn' | 'error';
  format: 'text' | 'json';
  destination: 'console' | 'file' | 'both';
  file?: {
    path: string;
    maxSize: number;
    maxFiles: number;
  };
  enableTimestamps?: boolean;
  enableContext?: boolean;
}

// Import orchestrator metrics type
export interface OrchestratorMetrics {
  uptime: number;
  totalAgents: number;
  activeAgents: number;
  totalTasks: number;
  completedTasks: number;
  failedTasks: number;
  queuedTasks: number;
  avgTaskDuration: number;
  memoryUsage: {
    rss: number;
    heapUsed: number;
    heapTotal: number;
    external: number;
    arrayBuffers: number;
  };
  cpuUsage: {
    user: number;
    system: number;
  };
  timestamp: Date;
}

// Agent-related types
export interface AgentProfile {
  id: string;
  name: string;
  type: 'coordinator' | 'researcher' | 'implementer' | 'analyst' | 'custom';
  capabilities: string[];
  systemPrompt: string;
  maxConcurrentTasks: number;
  priority: number;
  environment?: Record<string, string>;
  workingDirectory?: string;
  shell?: string;
  metadata?: Record<string, unknown>;
}

export interface AgentSession {
  id: string;
  agentId: string;
  terminalId: string;
  startTime: Date;
  endTime?: Date;
  status: 'active' | 'idle' | 'terminated' | 'error';
  lastActivity: Date;
  memoryBankId: string;
}

// Task-related types
export interface Task {
  id: string;
  type: string;
  description: string;
  priority: number;
  dependencies: string[];
  assignedAgent?: string;
  status: TaskStatus;
  input: Record<string, unknown>;
  output?: Record<string, unknown>;
  error?: Error;
  createdAt: Date;
  startedAt?: Date;
  completedAt?: Date;
  metadata?: Record<string, unknown>;
}

export type TaskStatus = 
  | 'pending'
  | 'queued'
  | 'assigned'
  | 'running'
  | 'completed'
  | 'failed'
  | 'cancelled';

// Memory-related types
export interface MemoryEntry {
  id: string;
  agentId: string;
  sessionId: string;
  type: 'observation' | 'insight' | 'decision' | 'artifact' | 'error';
  content: string;
  context: Record<string, unknown>;
  timestamp: Date;
  tags: string[];
  version: number;
  parentId?: string;
  metadata?: Record<string, unknown>;
}

export interface MemoryQuery {
  agentId?: string;
  sessionId?: string;
  type?: MemoryEntry['type'];
  tags?: string[];
  startTime?: Date;
  endTime?: Date;
  search?: string;
  limit?: number;
  offset?: number;
  namespace?: string;
}

// Event-related types
export enum SystemEvents {
  // Agent events
  AGENT_SPAWNED = 'agent:spawned',
  AGENT_TERMINATED = 'agent:terminated',
  AGENT_ERROR = 'agent:error',
  AGENT_IDLE = 'agent:idle',
  AGENT_ACTIVE = 'agent:active',

  // Task events
  TASK_CREATED = 'task:created',
  TASK_ASSIGNED = 'task:assigned',
  TASK_STARTED = 'task:started',
  TASK_COMPLETED = 'task:completed',
  TASK_FAILED = 'task:failed',
  TASK_CANCELLED = 'task:cancelled',

  // Memory events
  MEMORY_CREATED = 'memory:created',
  MEMORY_UPDATED = 'memory:updated',
  MEMORY_DELETED = 'memory:deleted',
  MEMORY_SYNCED = 'memory:synced',

  // System events
  SYSTEM_READY = 'system:ready',
  SYSTEM_SHUTDOWN = 'system:shutdown',
  SYSTEM_ERROR = 'system:error',
  SYSTEM_HEALTHCHECK = 'system:healthcheck',

  // Coordination events
  RESOURCE_ACQUIRED = 'resource:acquired',
  RESOURCE_RELEASED = 'resource:released',
  DEADLOCK_DETECTED = 'deadlock:detected',
  MESSAGE_SENT = 'message:sent',
  MESSAGE_RECEIVED = 'message:received',
}

export interface EventMap extends Record<string, unknown> {
  [SystemEvents.AGENT_SPAWNED]: { agentId: string; profile: AgentProfile; sessionId: string };
  [SystemEvents.AGENT_TERMINATED]: { agentId: string; reason: string };
  [SystemEvents.AGENT_ERROR]: { agentId: string; error: Error };
  [SystemEvents.AGENT_IDLE]: { agentId: string };
  [SystemEvents.AGENT_ACTIVE]: { agentId: string; taskId: string };

  [SystemEvents.TASK_CREATED]: { task: Task };
  [SystemEvents.TASK_ASSIGNED]: { taskId: string; agentId: string };
  [SystemEvents.TASK_STARTED]: { taskId: string; agentId: string };
  [SystemEvents.TASK_COMPLETED]: { taskId: string; result: unknown };
  [SystemEvents.TASK_FAILED]: { taskId: string; error: Error };
  [SystemEvents.TASK_CANCELLED]: { taskId: string; reason: string };

  [SystemEvents.MEMORY_CREATED]: { entry: MemoryEntry };
  [SystemEvents.MEMORY_UPDATED]: { entry: MemoryEntry; previousVersion: number };
  [SystemEvents.MEMORY_DELETED]: { entryId: string };
  [SystemEvents.MEMORY_SYNCED]: { entries: MemoryEntry[] };

  [SystemEvents.SYSTEM_READY]: { timestamp: Date };
  [SystemEvents.SYSTEM_SHUTDOWN]: { reason: string };
  [SystemEvents.SYSTEM_ERROR]: { error: Error; component: string };
  [SystemEvents.SYSTEM_HEALTHCHECK]: { status: HealthStatus };

  [SystemEvents.RESOURCE_ACQUIRED]: { resourceId: string; agentId: string };
  [SystemEvents.RESOURCE_RELEASED]: { resourceId: string; agentId: string };
  [SystemEvents.DEADLOCK_DETECTED]: { agents: string[]; resources: string[] };
  [SystemEvents.MESSAGE_SENT]: { from: string; to: string; message: Message };
  [SystemEvents.MESSAGE_RECEIVED]: { from: string; to: string; message: Message };
  
  // Additional events
  'metrics:collected': OrchestratorMetrics;
}

// Configuration types
export interface Config {
  orchestrator: OrchestratorConfig;
  terminal: TerminalConfig;
  memory: MemoryConfig;
  coordination: CoordinationConfig;
  mcp: MCPConfig;
  logging: LoggingConfig;
  credentials?: CredentialsConfig;
  security?: SecurityConfig;
}

export interface OrchestratorConfig {
  maxConcurrentAgents: number;
  taskQueueSize: number;
  healthCheckInterval: number;
  shutdownTimeout: number;
  maintenanceInterval?: number;
  metricsInterval?: number;
  persistSessions?: boolean;
  dataDir?: string;
  sessionRetentionMs?: number;
  taskHistoryRetentionMs?: number;
  taskMaxRetries?: number;
}

export interface TerminalConfig {
  type: 'vscode' | 'native' | 'auto';
  poolSize: number;
  recycleAfter: number;
  healthCheckInterval: number;
  commandTimeout: number;
}

export interface MemoryConfig {
  backend: 'sqlite' | 'markdown' | 'hybrid';
  cacheSizeMB: number;
  syncInterval: number;
  conflictResolution: 'last-write' | 'crdt' | 'manual';
  retentionDays: number;
  sqlitePath?: string;
  markdownDir?: string;
}

export interface CoordinationConfig {
  maxRetries: number;
  retryDelay: number;
  deadlockDetection: boolean;
  resourceTimeout: number;
  messageTimeout: number;
}

export interface MCPConfig {
  transport: 'stdio' | 'http' | 'websocket';
  host?: string;
  port?: number;
  tlsEnabled?: boolean;
  authToken?: string;
  auth?: MCPAuthConfig;
  loadBalancer?: MCPLoadBalancerConfig;
  sessionTimeout?: number;
  maxSessions?: number;
  enableMetrics?: boolean;
  corsEnabled?: boolean;
  corsOrigins?: string[];
}

export interface LoggingConfig {
  level: 'debug' | 'info' | 'warn' | 'error';
  format: 'json' | 'text';
  destination: 'console' | 'file' | 'both';
  filePath?: string;
  maxFileSize?: number;
  maxFiles?: number;
}

// Health and monitoring types
export interface HealthStatus {
  status: 'healthy' | 'degraded' | 'unhealthy';
  components: Record<string, ComponentHealth>;
  timestamp: Date;
}

export interface ComponentHealth {
  name: string;
  status: 'healthy' | 'degraded' | 'unhealthy';
  lastCheck: Date;
  error?: string;
  metrics?: Record<string, number>;
}

// Message passing types
export interface Message {
  id: string;
  type: string;
  payload: unknown;
  timestamp: Date;
  priority: number;
  expiry?: Date;
}

// Resource management types
export interface Resource {
  id: string;
  type: string;
  owner?: string;
  locked: boolean;
  lockedBy?: string;
  lockedAt?: Date;
  metadata?: Record<string, unknown>;
}

// MCP types - Full protocol compliance
export interface MCPProtocolVersion {
  major: number;
  minor: number;
  patch: number;
}

export interface MCPCapabilities {
  logging?: {
    level?: 'debug' | 'info' | 'warn' | 'error';
  };
  prompts?: {
    listChanged?: boolean;
  };
  resources?: {
    listChanged?: boolean;
    subscribe?: boolean;
  };
  tools?: {
    listChanged?: boolean;
  };
  sampling?: Record<string, unknown>;
}

export interface MCPInitializeParams {
  protocolVersion: MCPProtocolVersion;
  capabilities: MCPCapabilities;
  clientInfo: {
    name: string;
    version: string;
  };
}

export interface MCPInitializeResult {
  protocolVersion: MCPProtocolVersion;
  capabilities: MCPCapabilities;
  serverInfo: {
    name: string;
    version: string;
  };
  instructions?: string;
}

export interface MCPTool {
  name: string;
  description: string;
  inputSchema: Record<string, unknown>;
  handler: (input: unknown, context?: MCPContext) => Promise<unknown>;
}

export interface MCPPrompt {
  name: string;
  description?: string;
  arguments?: Array<{
    name: string;
    description?: string;
    required?: boolean;
  }>;
}

export interface MCPResource {
  uri: string;
  name: string;
  description?: string;
  mimeType?: string;
}

export interface MCPRequest {
  jsonrpc: '2.0';
  id: string | number;
  method: string;
  params?: unknown;
}

export interface MCPResponse {
  jsonrpc: '2.0';
  id: string | number;
  result?: unknown;
  error?: MCPError;
}

export interface MCPNotification {
  jsonrpc: '2.0';
  method: string;
  params?: unknown;
}

export interface MCPError {
  code: number;
  message: string;
  data?: unknown;
}

export interface MCPToolCall {
  name: string;
  arguments?: Record<string, unknown>;
}

export interface MCPToolResult {
  content: Array<{
    type: 'text' | 'image' | 'resource';
    text?: string;
    data?: string;
    mimeType?: string;
  }>;
  isError?: boolean;
}

export interface MCPLogEntry {
  level: 'debug' | 'info' | 'warn' | 'error';
  data?: unknown;
  logger?: string;
}

export interface MCPSession {
  id: string;
  clientInfo: {
    name: string;
    version: string;
  };
  protocolVersion: MCPProtocolVersion;
  capabilities: MCPCapabilities;
  isInitialized: boolean;
  createdAt: Date;
  lastActivity: Date;
  transport: 'stdio' | 'http' | 'websocket';
  authenticated: boolean;
  authData?: {
    token?: string;
    user?: string;
    permissions?: string[];
  };
}

export interface MCPAuthConfig {
  enabled: boolean;
  method: 'token' | 'basic' | 'oauth';
  tokens?: string[];
  users?: Array<{
    username: string;
    password: string;
    permissions: string[];
    roles?: string[];
  }>;
  jwtSecret?: string;
  sessionTimeout?: number;
}

export interface MCPLoadBalancerConfig {
  enabled: boolean;
  strategy: 'round-robin' | 'least-connections' | 'weighted';
  maxRequestsPerSecond: number;
  healthCheckInterval: number;
  circuitBreakerThreshold: number;
}

export interface MCPMetrics {
  totalRequests: number;
  successfulRequests: number;
  failedRequests: number;
  averageResponseTime: number;
  activeSessions: number;
  toolInvocations: Record<string, number>;
  errors: Record<string, number>;
  lastReset: Date;
}

// Interface declarations for dependency injection
export interface ILogger {
  debug(message: string, meta?: unknown): void;
  info(message: string, meta?: unknown): void;
  warn(message: string, meta?: unknown): void;
  error(message: string, error?: unknown): void;
  configure(config: LoggingConfig): Promise<void>;
}

export interface IEventBus {
  emit(event: string, data?: unknown): void;
  on(event: string, handler: (data: unknown) => void): void;
  off(event: string, handler: (data: unknown) => void): void;
  once(event: string, handler: (data: unknown) => void): void;
}

// Terminal types
export interface Terminal {
  id: string;
  pid?: number;
  type: 'vscode' | 'native';
  status: 'active' | 'idle' | 'dead';
}

export interface TerminalCommand {
  command: string;
  args?: string[];
  env?: Record<string, string>;
  cwd?: string;
  timeout?: number;
}

export interface MCPContext {
  sessionId: string;
  agentId?: string;
  logger: ILogger;
}

// Additional configuration interfaces
export interface CredentialsConfig {
  apiKey?: string;
  token?: string;
  password?: string;
  secret?: string;
  [key: string]: string | undefined;
}

export interface SecurityConfig {
  encryptionEnabled: boolean;
  auditLogging: boolean;
  maskSensitiveValues: boolean;
  allowEnvironmentOverrides: boolean;
}