import * as I from 'immutable';

import {nextStep} from './next-step';

export class Synchronizer {

  constructor(children) {
    this.children = children;
  }

  acceptPacket(packet) {
    for (let i = 0; i < this.children.length; i++) {
      this.children[i].acceptPacket(packet);
    }
  }

  packetsForUpdate(force = false) {
    const packetsForUpdate = [];
    for (let i = 0; i < this.children.length; i++) {
      const childPacketsForUpdate = this.children[i].packetsForUpdate(force);
      for (let j = 0; j < childPacketsForUpdate.length; j++) {
        packetsForUpdate.push(childPacketsForUpdate[j]);
      }
    }
    return packetsForUpdate;
  }

}