// message types between daemon and adapters

export type ClientMessage =
  | { type: "join"; room: string }
  | { type: "leave" }
  | { type: "update"; data: number[] } // yjs update as byte array
  | { type: "awareness"; data: number[] };

export type ServerMessage =
  | { type: "sync"; data: number[] } // full yjs state
  | { type: "update"; data: number[] }
  | { type: "awareness"; data: number[] }
  | { type: "peers"; count: number };

export function encode(msg: ServerMessage): string {
  return JSON.stringify(msg);
}

export function decode(raw: string): ClientMessage | null {
  try {
    return JSON.parse(raw) as ClientMessage;
  } catch {
    return null;
  }
}