using UnityEngine;
using UnityEngine.EventSystems;
using TMPro;

public class KartuHuruf : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler
{
    public char isiHuruf;
    public TextMeshProUGUI teksHuruf;
    private Transform parentAwal;
    private CanvasGroup canvasGroup;
    private Vector3 posisiAwal;

    void Start() {
        canvasGroup = GetComponent<CanvasGroup>();
        teksHuruf.text = isiHuruf.ToString();
        posisiAwal = transform.localPosition;
    }

    public void OnBeginDrag(PointerEventData eventData) {
        parentAwal = transform.parent;
        // Pindah ke paling depan layar saat di-drag
        transform.SetParent(transform.root); 
        canvasGroup.blocksRaycasts = false; // Biar tembus ke slot di bawahnya
    }

    public void OnDrag(PointerEventData eventData) {
        transform.position = Input.mousePosition;
    }

    public void OnEndDrag(PointerEventData eventData) {
        canvasGroup.blocksRaycasts = true;
        if (transform.parent == transform.root) {
            // Kalau dilepas bukan di slot yang benar, balik ke posisi awal
            transform.SetParent(parentAwal);
            transform.localPosition = posisiAwal;
        }
    }

    public void SetSelesai() {
        this.enabled = false; // Matikan fitur drag
        canvasGroup.blocksRaycasts = true;
    }
}