class SocketsIPService {
  private static instance: SocketsIPService;

  idToIpMap: Map<string, string>;

  ipToIdMap: Map<string, string>;

  constructor() {
    this.idToIpMap = new Map<string, string>();
    this.ipToIdMap = new Map<string, string>();
  }

  setIPOfSocketID(id: string, ip: string) {
    this.idToIpMap.set(id, ip);
    this.ipToIdMap.set(ip, id);
  }

  setSocketIDOfIP(ip: string, id: string) {
    this.idToIpMap.set(id, ip);
    this.ipToIdMap.set(ip, id);
  }

  getSocketIPByID(id: string): string | undefined {
    return this.idToIpMap.get(id);
  }

  getSocketIDByIP(ip: string): string | undefined {
    return this.ipToIdMap.get(ip);
  }

  isIPExists(ip: string) {
    return this.ipToIdMap.has(ip);
  }

  static getInstance() {
    if (!this.instance) {
      this.instance = new SocketsIPService();
    }
    return this.instance;
  }
}

export default SocketsIPService.getInstance();