import type { ServerWebSocket } from 'bun';
import type { User, WebSocketData } from './types';
// ==================== Authentication ====================
export declare interface AuthConfig {
  enabled?: boolean
  required?: boolean
  cookie?: {
    name?: string
    secure?: boolean
  }
  jwt?: {
    secret?: string
    algorithm?: 'HS256' | 'HS384' | 'HS512'
  }
  session?: {
    key?: string
  }
}
// ==================== Rate Limiting ====================
export declare interface RateLimitConfig {
  max: number
  window: number
  perChannel?: boolean
  perUser?: boolean
}
// ==================== Monitoring and Metrics ====================
export declare interface MetricEvent {
  type: 'connection' | 'disconnection' | 'message' | 'subscribe' | 'unsubscribe' | 'error' | 'broadcast'
  timestamp: number
  socketId: string
  channel?: string
  data?: unknown
}
// ==================== Security ====================
export declare interface SecurityConfig {
  cors?: {
    enabled?: boolean
    origins?: string[]
    credentials?: boolean
  }
  maxPayloadSize?: number
  sanitizeMessages?: boolean
}
export type AuthCallback = (_req: Request) => Promise<User | null> | User | null;
// ==================== Message Validation ====================
export type MessageValidator = (_message: unknown) => boolean | string;
export type MetricCallback = (_event: MetricEvent) => void;
export declare class AuthenticationManager {
  constructor(config?: AuthConfig);
  authenticate(callback: AuthCallback): void;
  isRequired(): boolean;
  authenticateRequest(req: Request): Promise<User | null>;
}
export declare class RateLimiter {
  constructor(config: RateLimitConfig);
  check(ws: ServerWebSocket<WebSocketData>, channel?: string): boolean;
  getRemaining(ws: ServerWebSocket<WebSocketData>, channel?: string): number;
  getResetAt(ws: ServerWebSocket<WebSocketData>, channel?: string): number;
  clear(): void;
  stop(): void;
}
export declare class MessageValidationManager {
  addValidator(validator: MessageValidator): void;
  removeValidator(validator: MessageValidator): void;
  validate(message: unknown): { valid: boolean, error?: string };
}
export declare class MonitoringManager {
  on(event: MetricEvent['type'] | 'all', callback: MetricCallback): void;
  off(event: MetricEvent['type'] | 'all', callback: MetricCallback): void;
  emit(event: MetricEvent): void;
  incrementMetric(metric: string, amount?: number): void;
  getMetric(metric: string): number;
  getMetrics(): Record<string, number>;
  resetMetrics(): void;
}
export declare class SecurityManager {
  constructor(config?: SecurityConfig);
  checkOrigin(origin: string): boolean;
  sanitize(data: unknown): unknown;
  checkSize(message: string): boolean;
}