using UnityEngine;

public class BulletSpawner : MonoBehaviour
{
    public GameObject prefab;

    public float bulletSpeed = 8f;

    Transform target;

    public Transform firePoint;


    public float min = 0.5f;
    public float max = 3f;

    float rate;
    float time;

    void Start()
    {
        time = 0f;
        rate = Random.Range(min, max);

        PlayerController player = FindFirstObjectByType<PlayerController>();

        if (player != null)
        {
            target = player.transform;
        }
        else
        {
            Debug.LogError("BulletSpawner: 플레이어를 찾을 수 없습니다! 씬에 PlayerController가 있는지 확인하세요.");
        }

        if (GameManager.instance != null)
        {
            GameManager.instance.RegisterSpawner(this);
        }
    }

    void Update()
    {
        if (target == null) return;

        time += Time.deltaTime;
        transform.LookAt(target);

        if (time >= rate)
        {
            time = 0f;
            rate = Random.Range(min, max);

            GameObject obj = Instantiate(prefab, firePoint.transform.position, firePoint.transform.rotation);
            obj.transform.LookAt(target);

            Bullet bulletScript = obj.GetComponent<Bullet>();
            if (bulletScript != null)
            {
                bulletScript.speed = bulletSpeed;
                bulletScript.isPlayerBullet = false; 
            }
        }
    }

    void OnDestroy()
    {
        if (GameManager.instance != null)
        {
            GameManager.instance.UnregisterSpawner(this);

            if (!GameManager.instance.isGameover)
            {
                GameManager.instance.RequestRespawn();
            }
        }
    }
}