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

public class towerController : MonoBehaviour
{
    [SerializeField] private Transform target, _transform;
    public GameObject bullet;
    private float timeToShot;
    public float radius, timeToShotStandart;
    void Start()
    {
        _transform = GetComponent<Transform>();
    }

    void Update()
    {
        timeToShot -= Time.deltaTime;
        if (target != null)
        {
            Debug.Log("Target != null. " + Vector3.Distance(target.position, _transform.position)+" and "+ radius);
            if (Vector3.Distance(target.position, _transform.position) > radius)
            {
                target = null;
                Debug.Log("Distance > " + radius);
                return;
            }
            if ( timeToShot < 0)
            {
                timeToShot = timeToShotStandart;
                Debug.Log("Shot");
            }
        }
        else selectedTarget();
    }

    void OnDrawGizmos()
    {
        Gizmos.color = Color.blue;

        Gizmos.DrawWireSphere(_transform.position, radius);
        if (target!=null)Gizmos.DrawWireSphere(target.position, 1f);
    }
    void selectedTarget()
    {
        Collider2D[] colliders = Physics2D.OverlapCircleAll(_transform.position, radius);
        float minDistance = int.MaxValue;
        foreach (Collider2D collider in colliders)
        {
            if (collider.GetComponent<enemyControl>() != null)
            {
                Debug.Log(collider.name);
                if (Vector3.Distance(collider.GetComponent<Transform>().position, _transform.position) < minDistance)
                {
                    target = collider.GetComponent<Transform>();
                    minDistance = Vector3.Distance(collider.GetComponent<Transform>().position, _transform.position);
                }
            }
        }
    }
}