using UnityEngine;

public class SpellCastingManager : MonoBehaviour
{
    public GameObject fireballPrefab;
    public GameObject explosionPrefab;
    public float fireballSpeed = 10f;
    private bool isAiming = false;
    private Texture2D aimingCursorTexture;
    private Texture2D defaultCursorTexture;
    public float verticalOffset = -1.5f;

    public void StartFireballCasting(Texture2D skillIcon)
    {
        isAiming = true;

        defaultCursorTexture = null;
        aimingCursorTexture = skillIcon;

        Cursor.SetCursor(aimingCursorTexture, Vector2.zero, CursorMode.Auto);
    }

    void Update()
    {
        if (isAiming)
        {
            if (Input.GetMouseButtonDown(0))
            {
                Vector3 targetPos = GetWorldClickPosition();
                if (targetPos != Vector3.zero)
                {
                    LaunchFireball(targetPos);
                    ResetCursor();
                }
            }
            else if (Input.GetMouseButtonDown(1))
            {
                ResetCursor();
            }
        }
    }

    Vector3 GetWorldClickPosition()
    {
        Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
        if (Physics.Raycast(ray, out RaycastHit hit))
        {
            return hit.point;
        }
        return Vector3.zero;
    }

   
void LaunchFireball(Vector3 target)
{
    GameObject player = GameObject.FindWithTag("Player");
    if (player != null)
    {
        Vector3 spawnPos = player.transform.position + Vector3.up * verticalOffset; 
        GameObject fireball = Instantiate(fireballPrefab, spawnPos, Quaternion.identity);
        fireball.AddComponent<FireballProjectile>().Setup(target, fireballSpeed, explosionPrefab);
    }
}

    void ResetCursor()
    {
        isAiming = false;
        Cursor.SetCursor(defaultCursorTexture, Vector2.zero, CursorMode.Auto);
    }
}