using UnityEngine;

[RequireComponent(typeof(NPC))]
public class AimAssistant : MonoBehaviour
{
    public GameObject enemy;
    public bool _isFiring = false;
    private ICharacter _myNpc;
    public float lookSpeed = 200f;

    private void Awake()
    {
        _myNpc = GetComponent<NPC>();
    }

    private void Update()
    {
        //Ищем противника на сцене.
        if (_isFiring == false)
        {
            var enemies = GameManager.GetVisibleEnemies(_myNpc.GetCharacter.Team, transform.position);
            enemy = enemies[new System.Random().Next(enemies.Count)];
            if (enemies.Count == 0)
            {
                return;
            }
            else
            {
                var character = enemy.GetComponent<ICharacter>();
                character.OnDeathEvent +=  _ => _isFiring = false;
                _isFiring = true;
            }
        }
        else
        {
            //Raycast до противника enemy 
            var range = 200f;
            while (true)
            {
                if (!Physics.Raycast(this.transform.position, this.transform.forward, out var hit, range))
                {
                    _isFiring = false;
                    enemy = null;
                    return;
                }
                else
                {
                    GetComponent<Shooting>().Shoot();
                }
            }

        }

        var direction = enemy.transform.position - gameObject.transform.position;
        var targetRotation = Quaternion.LookRotation(direction);
        var lookAt = Quaternion.RotateTowards(gameObject.transform.rotation, targetRotation, 
            Time.deltaTime * lookSpeed);
        lookAt.z = 0;
        lookAt.x = 0;
        gameObject.transform.rotation = lookAt;
    }
}