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

public class EnemyMovement : MonoBehaviour
{
	Transform player;              
	public UnityEngine.AI.NavMeshAgent nav;
	Rigidbody rb;

	public float enemyHpMax;
	//[HideInInspector]
	public float enemyHpCurrent;
	public Image enemyHealthBar;

	GameObject tmObject;
	TimeManager tm;

	public GameObject bttObject;
	BulletTimeTrigger btt;

	public GameObject deathEffect;





	void Awake ()
	{
		enemyHpCurrent = enemyHpMax;
		player = GameObject.FindGameObjectWithTag ("Player").transform;
		tmObject= GameObject.FindGameObjectWithTag ("time_manager");
		tm = tmObject.GetComponent<TimeManager> ();
		rb = GetComponent<Rigidbody> ();
		btt = bttObject.GetComponent<BulletTimeTrigger>();





	}


	void Update ()
	{
		
		if (nav != null) {
			nav.SetDestination (player.position);
		}
		if (enemyHpCurrent <= 0f) {
			
			Instantiate (deathEffect, transform.position, transform.rotation);
			btt.RemoveEnemy (gameObject);
			Destroy (gameObject);

		}



		 
	}
	public void TriggeredOnPlayer(){
		
		nav = GetComponent <UnityEngine.AI.NavMeshAgent> ();
		rb.isKinematic = false;
	}

	void OnCollisionEnter(Collision col){
		if(col.gameObject.tag=="Player"){
			//tm.enemyIsDead = true;
			Instantiate (deathEffect, transform.position, transform.rotation);
			btt.RemoveEnemy (gameObject);
			Destroy(gameObject);



	}
}

}