/**
 * Protocol types — mirrors the server's protocol/spec.ts for use in the extension.
 */

export const PROTOCOL_VERSION = "2.0.0";
export const MAX_STORED_COOKIES_PER_DEVICE = 10_000;
export const PAIRING_CODE_LENGTH = 6;
export const PAIRING_TTL_MS = 5 * 60 * 1000;
export const NONCE_BYTES = 24;
export const PING_INTERVAL_MS = 30_000;
export const PONG_TIMEOUT_MS = 10_000;
export const POLL_INTERVAL_MS = 5_000;

export const MESSAGE_TYPES = {
  COOKIE_SYNC: "cookie_sync",
  COOKIE_DELETE: "cookie_delete",
  ACK: "ack",
  PING: "ping",
  PONG: "pong",
  ERROR: "error",
} as const;

export type MessageType = (typeof MESSAGE_TYPES)[keyof typeof MESSAGE_TYPES];

export interface Envelope {
  type: MessageType;
  from: string;
  to: string;
  nonce: string;
  payload: string;
  timestamp: string;
  sig: string;
}

export interface CookieEntry {
  domain: string;
  name: string;
  value: string;
  path: string;
  secure: boolean;
  httpOnly: boolean;
  sameSite: "strict" | "lax" | "none";
  expiresAt: string | null;
}

export interface CookieSyncPayload {
  action: "set" | "delete";
  cookies: CookieEntry[];
  lamportTs: number;
}

export interface EncryptedCookieBlob {
  id: string;
  deviceId: string;
  domain: string;
  cookieName: string;
  path: string;
  nonce: string;
  ciphertext: string;
  lamportTs: number;
  updatedAt: string;
}

export interface DeviceRegisterRequest {
  deviceId: string;
  name: string;
  platform: string;
  encPub: string;
}

export interface DeviceInfo {
  deviceId: string;
  name: string;
  platform: string;
  encPub: string;
  token: string;
  createdAt: string;
}

export interface PairingResult {
  peerDeviceId: string;
  peerX25519PubKey: string;
}