export enum Type {
  Interval,
  Timeout,
}

export class Delayed {
  public active: boolean = true
  public paused: boolean = false

  public time: number
  public elapsedTime: number = 0

  protected handler: Function
  protected args: any
  protected type: number

  constructor(handler: Function, args: any, time: number, type: number) {
    this.handler = handler
    this.args = args
    this.time = time
    this.type = type
  }

  tick(deltaTime: number) {
    if (this.paused) {
      return
    }

    this.elapsedTime += deltaTime

    if (this.elapsedTime >= this.time) {
      this.execute()
    }
  }

  execute() {
    this.handler.apply(this, this.args)

    if (this.type === Type.Timeout) {
      this.active = false
    } else {
      this.elapsedTime -= this.time
    }
  }

  reset() {
    this.elapsedTime = 0
  }

  pause() {
    this.paused = true
  }

  resume() {
    this.paused = false
  }

  clear() {
    this.active = false
  }
}