using UnityEngine;
using UnityEngine.EventSystems;

public enum JenisEkosistem { Sawah, Gurun, Perairan, Pengecoh }

public class DragHewan : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler
{
    private Vector3 posisiAwal;
    private RectTransform rectTransform;
    private CanvasGroup canvasGroup;
    private Transform parentAwal;
    
    [Header("Pilih Asal Ekosistem Hewan Ini:")]
    public JenisEkosistem asalEkosistem;

    [Header("Suara Narasi:")]
    public AudioClip kasetNamaHewan;      // Masukkan suara "Ular"
    public AudioClip kasetNamaEkosistem;  // Masukkan suara "Sawah"

    void Awake()
    {
        rectTransform = GetComponent<RectTransform>();
        canvasGroup = GetComponent<CanvasGroup>();
        if (canvasGroup == null) canvasGroup = gameObject.AddComponent<CanvasGroup>();
    }

    public void OnBeginDrag(PointerEventData eventData)
    {
        posisiAwal = rectTransform.anchoredPosition; 
        parentAwal = transform.parent; 

        canvasGroup.alpha = 0.7f; 
        canvasGroup.blocksRaycasts = false; 

        transform.SetAsLastSibling();

        // ==========================================
        // NARATOR SEBUT NAMA HEWAN SAAT DIKLIK
        // ==========================================
        GameManager manajerGame = FindObjectOfType<GameManager>();
        if (manajerGame != null && kasetNamaHewan != null)
        {
            manajerGame.speakerGame.PlayOneShot(kasetNamaHewan);
        }
    }

    public void OnDrag(PointerEventData eventData)
    {
        rectTransform.anchoredPosition += eventData.delta / GetComponentInParent<Canvas>().scaleFactor;
    }

    public void OnEndDrag(PointerEventData eventData)
    {
        canvasGroup.alpha = 1f; 
        canvasGroup.blocksRaycasts = true;

        // Jangan langsung dipanggil, beri jeda sedikit buat cek Keranjang
        Invoke("KembaliKeAwal", 0.05f);
    }

    public void KembaliKeAwal()
    {
        transform.SetParent(parentAwal);
        rectTransform.anchoredPosition = posisiAwal;

        GameManager manajerGame = FindObjectOfType<GameManager>();
        if (manajerGame != null)
        {
            manajerGame.JawabanSalah();
        }
    }

    // ==========================================
    // PERBAIKAN: Fungsi ini dipanggil dari 'KeranjangPintar'
    // ==========================================
    public void BerhasilMasukEkosistem()
    {
        CancelInvoke("KembaliKeAwal"); // Amankan biar gak mental balik

        GameManager manajerGame = FindObjectOfType<GameManager>();
        if (manajerGame != null)
        {
            // Kirim kaset suara ekosistem (Sawah/Gurun/Perairan) ke GameManager
            manajerGame.TambahSkor(kasetNamaEkosistem);
        }

        // Script dimatikan biar gak bisa ditarik lagi setelah masuk
        this.enabled = false;
    }
}