using UnityEngine;
using System.Collections;


/// <summary>
/// Includes both collision attack and bullet firing
/// </summary>
public class EnemyAttackScript : MonoBehaviour {

    GameObject player;

    public float Damage = 20;
    float timer = .5f;   
    float counter;
    bool playerInRange;    
    
    void Start()
    {
        counter = 0;
        player = GameObject.FindGameObjectWithTag("Player");
    }

    void Update()
    {
        counter += Time.deltaTime;        
        if (counter >= timer && playerInRange)
        {
            counter = 0f;
            player.GetComponent<PlayerHealthScript>().TakeDamage(Damage);
        }
    }

    void OnTriggerEnter2D(Collider2D other)
    {
        var player = other.gameObject.GetComponentInParent<PlayerHealthScript>();
        if (player != null)
        {
            playerInRange = true;
        }
    }

    void OnTriggerExit2D(Collider2D other)
    {
        var player = other.gameObject.GetComponentInParent<PlayerHealthScript>();
        if (player != null)
        {
            playerInRange = false;
        }
    }   
}