using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class LightBeam : MonoBehaviour {

    public Transform target;
	public Transform lightBeam;

	private Searchlight.SearchState searchState;

	// Use this for initialization
	void Start () {
        NotificationServer.register("statechange Searchlight", toggleState);
        NotificationServer.register("switch off", switchOff);
		NotificationServer.register("restart scene", resetState);
	}
	
	// Update is called once per frame
	void Update () {
        Vector3 lookAtPos = target.position;
        lookAtPos.y = lightBeam.position.y;
        lightBeam.LookAt(target);
	}

    private void toggleState() {
		if (searchState == Searchlight.state)
			return;
		if (!isActiveAndEnabled)
			return;
		searchState = Searchlight.state;
        GetComponent<Animator>().SetBool("isSeen", (Searchlight.state == Searchlight.SearchState.Chasing));
    }

	private void resetState() {
		searchState = Searchlight.SearchState.Spline;
		lightBeam.gameObject.SetActive(true);
		target.gameObject.SetActive(true);
		if (isActiveAndEnabled)
			GetComponent<Animator>().SetBool("isSeen", false);
	}

	private void switchOff(object offObject) {
		GameObject offGO = offObject as GameObject;
//		Debug.LogWarning(offGO + "  vs  " + gameObject);
		if (offGO == gameObject)
		{
	        lightBeam.gameObject.SetActive(false);
	        target.gameObject.SetActive(false);
		}
    }
}