using UnityEngine;
using System.Collections;

public class CheckpointManager : MonoBehaviour {
	public Checkpoint levelStart;
	public GameObject player;
	private Checkpoint lastCheckPoint;
	private GameObject playerInstance;
	public Camera playerCamera;
	public AudioClip respawnSound;
	private GameManager gameManager;

	void Start () {
		gameManager = GameObject.FindObjectOfType<GameManager> ();
		lastCheckPoint = levelStart;
		RespawnPlayer ();
	}

	void Update () {
	
	}

	public void OnCheckPoint(Checkpoint cp){
		Debug.Log ("Enter check point: " + cp.name);
		lastCheckPoint = cp;
	}

	public void OnPlayerKilled(){
		RespawnPlayer ();
	}

	void RespawnPlayer(){
		if (levelStart == null) {
			Debug.LogError("Level entry point is not set!");
			return;
		}
		if (player == null) {
			Debug.LogError("Player respawn prototype is not set!");
			return;
		}

		if (playerInstance != null) {
			Destroy(playerInstance);
		}
		if (gameManager != null) {
			gameManager.audio.volume = 2;
			gameManager.audio.PlayOneShot (respawnSound);
		}
	
		playerInstance = (GameObject)Instantiate (player);
		playerInstance.transform.position = lastCheckPoint.transform.position;
		playerInstance.transform.rotation = lastCheckPoint.transform.rotation;
		playerInstance.SetActive (true);
		playerCamera.GetComponent<FollowCamera> ().target = playerInstance;

	}
}