using UnityEngine;
using UnityEngine.UI; // UI 사용을 위해 추가

public class ConstructionSite : MonoBehaviour
{
    [Header("UI Settings")]
    [SerializeField] private GameObject uiPrefab; // 방금 만든 Canvas 프리팹
    [SerializeField] private Vector3 uiOffset = new Vector3(0, 2f, 0); // 머리 위 높이

    private Slider _progressSlider;
    private GameObject _finalTurretPrefab;
    private float _buildTime;
    private float _currentProgress = 0f;

    public void Initialize(GameObject finalPrefab, float time)
    {
        _finalTurretPrefab = finalPrefab;
        _buildTime = time;

        // UI 생성 및 초기화
        if (uiPrefab != null)
        {
            GameObject uiObj = Instantiate(uiPrefab, transform.position + uiOffset, Quaternion.identity, transform);
            _progressSlider = uiObj.GetComponentInChildren<Slider>();
            if (_progressSlider != null)
            {
                _progressSlider.maxValue = 1f;
                _progressSlider.value = 0f;
            }
        }
    }

    public void AdvanceConstruction(float amount)
    {
        _currentProgress += amount;
        float ratio = _currentProgress / _buildTime;

        // 슬라이더 업데이트
        if (_progressSlider != null)
        {
            _progressSlider.value = ratio;
        }

        if (_currentProgress >= _buildTime)
        {
            CompleteBuild();
        }
    }

    private void CompleteBuild()
    {
        Instantiate(_finalTurretPrefab, transform.position, transform.rotation);
        Destroy(gameObject);
    }
}