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



public class EnemyBehavior : MonoBehaviour
{
    public float speed = 0;
    public static int enemyAmount;
    private bool alive = true;
    // Start is called before the first frame update
    void Awake()
    {
        enemyAmount++;
    }

    private void Start()
    {
        //StartCoroutine(walk(Random.Range(1, 3))); //grid base walk. Deprecated
    }

    // Update is called once per frame
    void Update()
    {
        if(alive)
            transform.position += Vector3.Normalize(GameManager.Instance.player.GetComponent<PlayerManager>().getClosestPlayer(transform.position).transform.position - transform.position) * speed * Time.deltaTime;
    }

    public void Kill()
    {
        alive = false;
        GameManager.Instance.enemies.Remove(gameObject);
        if (GameManager.Instance.enemies.Count == 0)
        {
            GameManager.Instance.nextRound();
        }

        //disable enemy capabilitiyes
        GetComponent<Collider>().enabled = false; //prevent player kill
        GetComponent<LookAtMovement>().enabled = false; //prevent rotation
        GetComponentInChildren<Animator>().SetBool("Die", true); //fire anim
        LeanTween.moveY(gameObject, transform.position.y + .5f, 0.1f).setEaseOutQuint();
        LeanTween.moveY(gameObject, transform.position.y - .5f, 0.35f).setEaseInQuint().setDelay(0.1f);
        LeanTween.moveY(gameObject, transform.position.y - 1, 1.1f).setEaseInQuint().setDelay(0.45f);

        //add score
        GameManager.Instance.ScoreSys.AddScore(MyVars.enemyKillScore, true);

        StartCoroutine(DestroyGameObject(1.5f));
    }

    IEnumerator DestroyGameObject(float t)
    {
        yield return new WaitForSeconds(t);
        Destroy(gameObject);
    }
}