export abstract class BlockingAction {
  type: string;
  abstract setup(iter: IterableIterator<BlockingAction>): void;
  handleNext(iter: IterableIterator<BlockingAction>): void {
    let n = iter.next();
    if(n.done)
      return;

    n.value.setup(iter);
  };

  public static startCoroutine(func: () => IterableIterator<BlockingAction>): void {
    let iter = func();
    let n = iter.next();
    if(n.done)
      return;

    n.value.setup(iter);
  }
}

export class Wait extends BlockingAction {
  wait: number;

  constructor(timeout : number) {
    super();
    this.wait = timeout;
  }

  setup(iter: IterableIterator<BlockingAction>) : void {
    let t = this;
    setTimeout(function(){
      t.handleNext(iter);
    }, this.wait);
  }
}