import {SERVER_LATENCY} from '@/util/constants.js';

export default class Server {
  constructor() {
    this.listeners = {};
  }
  accept(connection, packet) {
    const listeners = this.listeners[packet.type];
    if (!listeners) {
      return;
    }
    for (const i in listeners) {
      listeners[i](connection, packet.payload);
    }
  }
  addPacketListener(type, listener) {
    if (!this.listeners[type]) {
      this.listeners[type] = [];
    }
    this.listeners[type].push(listener);
  }
  removePacketListener(type, listener) {
    const listeners = this.listeners[type];
    if (!listeners) {
      return;
    }
    const index = listeners.indexOf(listener);
    if (-1 !== index) {
      listeners.splice(index, 1);
    }
  }
  send(connection, packet) {
    if (SERVER_LATENCY > 0) {
      setTimeout(() => {
        this.transmit(connection, packet);
      }, SERVER_LATENCY);
    }
    else {
      this.transmit(connection, packet);
    }
  }
}