import type { RoomClass } from './runtime';

/**
 * The locally-registered room classes, keyed by room name. This is the source
 * the CLIENT decoder is built from (brief decision: no Reflection handshake —
 * the client derives its `@colyseus/schema` state class from the same room
 * class the host holds). Both the loopback client path and the host runtime
 * register here, so a co-located client always resolves the decoder root.
 */
const rooms = new Map<string, RoomClass>();

export function registerLoopbackRoom(roomName: string, roomClass: RoomClass): void {
  rooms.set(roomName, roomClass);
}

export function getRegisteredRoom(roomName: string): RoomClass | undefined {
  return rooms.get(roomName);
}

export function registeredRoomNames(): string[] {
  return [...rooms.keys()];
}