using UnityEngine;
using System.Collections;

public enum DetonatorState{
	Idle,
	Wait,
	Exploded
}

public class DelayDetonator : MonoBehaviour {

	public Explosive target;
	private AudioSource _source;
	public Predicate trigger;
	private DetonatorState _state;
	public float delay = 3.0f;
	private float timeElapsed = 0;
	
	void Start () {
		if(target == null){
			target = GetComponentInChildren<Explosive>();
		}
		_source = GetComponent<AudioSource>();
	}

	void Update () {
		if(_state == DetonatorState.Idle && trigger != null && trigger.Check()){
			_state = DetonatorState.Wait;
			if(_source != null){
				_source.Play();
			}
		}
		if(_state == DetonatorState.Wait){
			timeElapsed += Time.deltaTime;
			if(timeElapsed >= delay){
				_state = DetonatorState.Exploded;
				if(_source != null){
					_source.Stop();
				}
				if(target != null){
					target.Explode();
				}

			}
		}
	}
}