// HTTP status codes
export const HTTP_STATUS = {
  BAD_REQUEST: 400,
  UNAUTHORIZED: 401,
  PAYMENT_REQUIRED: 402,
  FORBIDDEN: 403,
  NOT_FOUND: 404,
  NOT_ACCEPTABLE: 406,
  REQUEST_TIMEOUT: 408,
  RATE_LIMITED: 429,
  SERVER_ERROR: 500,
  BAD_GATEWAY: 502,
  SERVICE_UNAVAILABLE: 503,
  GATEWAY_TIMEOUT: 504
};

// Re-export error config (backward compat)
export { ERROR_TYPES, DEFAULT_ERROR_MESSAGES, BACKOFF_CONFIG, COOLDOWN_MS } from "./errorConfig.js";

// Cache TTLs (seconds)
export const CACHE_TTL = {
  userInfo: 300,    // 5 minutes
  modelAlias: 3600  // 1 hour
};

// Memory management config
export const MEMORY_CONFIG = {
  sessionTtlMs: 2 * 60 * 60 * 1000,
  sessionCleanupIntervalMs: 30 * 60 * 1000,
  dnsCacheTtlMs: 5 * 60 * 1000,
  proxyDispatchersMaxSize: 20,
};

// Default token limits
export const DEFAULT_MAX_TOKENS = 64000;
export const DEFAULT_MIN_TOKENS = 32000;

// Retry config for 429 responses (legacy - kept for backward compatibility)
export const RETRY_CONFIG = {
  maxAttempts: 2,
  delayMs: 2000
};

// Default retry config by status code (number of retry attempts)
export const DEFAULT_RETRY_CONFIG = {
  429: 0,   // Rate limit - no retry, use account fallback instead
  503: 1,   // Service unavailable - retry 1 time (transient)
  502: 1    // Bad gateway - retry 1 time (transient)
};

// Requests containing these texts will bypass provider
export const SKIP_PATTERNS = [
  "Please write a 5-10 word title for the following conversation:"
];