using UnityEngine;

public class PlayerInteraction : MonoBehaviour
{
    [Header("--- 설정 ---")]
    [SerializeField] private float interactRange = 3f;
    [SerializeField] private LayerMask itemLayer;
    [SerializeField] private Transform handSlot;
    [SerializeField] private Stats playerStats;

    private EquippableItem _currentWeapon;
    public EquippableItem CurrentWeapon => _currentWeapon;

    public void TryInteract()
    {
        Collider[] hits = Physics.OverlapSphere(transform.position, interactRange, itemLayer);

        foreach (var hit in hits)
        {
            // 1. 무기 상호작용
            if (hit.TryGetComponent<EquippableItem>(out var item))
            {
                if (playerStats.Strength >= item.Config.RequiredStrength)
                {
                    EquipWeapon(item);
                    break;
                }
                else
                {
                    // ⭐ [핵심 수정] 힘이 부족하면 카메라를 흔듭니다!
                    CinemachineShake.Instance?.ShakeNoNo();
                    Debug.Log($"힘 부족! 필요: {item.Config.RequiredStrength}, 현재: {playerStats.Strength}");
                    continue;
                }
            }

            // 2. 포션 상호작용
            if (hit.TryGetComponent<HealthPotion>(out var potion))
            {
                potion.Use(GetComponent<PlayerHealth>());
                break;
            }

            // 3. 제단 상호작용
            if (hit.TryGetComponent<HealthAltar>(out var altar))
            {
                altar.Use(GetComponent<PlayerHealth>());
                break;
            }
        }
    }

    private void EquipWeapon(EquippableItem item)
    {
        if (_currentWeapon != null) _currentWeapon.OnDropped(transform.forward);
        _currentWeapon = item;
        _currentWeapon.OnPickedUp(handSlot);
        playerStats.UpdateWeaponWeight(item.Config.RequiredStrength);
    }

    public void ClearCurrentWeapon() => _currentWeapon = null;
}