using UnityEngine;
using System.Collections.Generic;

public class Tower : MonoBehaviour {

	// Public variables
	public GameObject ammoPrefab;
	public float reloadTime = 1f;
	List<GameObject> targetedEnemies;

	// Private variables
	private Transform projectileTarget;
	private GameObject projectile;
	private float nextFireTime;
	private float nextAnimTime;

	void Update() {
		if (projectileTarget) {
			foreach (GameObject target in targetedEnemies){
				Debug.Log("We have target");
				if(Time.time >= nextFireTime){
					Debug.Log("nextFireTime has passed");
					Debug.Log ("Shoot");
					nextFireTime = Time.time + reloadTime;
					projectile = (GameObject)Instantiate (ammoPrefab, transform.position, ammoPrefab.transform.rotation);
					projectile.GetComponent<Projectile> ().target = target.gameObject;
				}
				Health health = target.GetComponent<Health>();
				if(health.currentHealth <= 0){
					targetedEnemies.Remove (target.gameObject);
				}
			}
		}

	}

	void OnTriggerEnter(Collider co) {
		// Was it a Monster? Add to list
		if(co.gameObject.tag == "Enemy")
		{
			Debug.Log("Enemy tag detected");
			nextFireTime = (float)(Time.time+(reloadTime*0.5));
			targetedEnemies.Add(co.gameObject);
		}

	}

	void OnTriggerExit(Collider co) {
		if(co.gameObject.tag == "Enemy")
		{
			targetedEnemies.Remove (co.gameObject);
		}
	}
}