using UnityEngine;
using TMPro;

public class CoinManager : MonoBehaviour
{
    public static CoinManager Instance;

    [Header("Coin Data")]
    public int currentCoins = 0;

    [Header("UI")]
    public TMP_Text coinText;

    [Header("Scene Setting")]
    public bool dontDestroyOnLoad = true;

    void Awake()
    {
        if (Instance != null && Instance != this)
        {
            Destroy(gameObject);
            return;
        }

        Instance = this;

        if (dontDestroyOnLoad)
        {
            DontDestroyOnLoad(gameObject);
        }
    }

    void Start()
    {
        UpdateCoinUI();
    }

    public void AddCoin(int amount)
    {
        currentCoins += amount;
        UpdateCoinUI();

        Debug.Log("Coin Added: " + amount + " / Total Coin: " + currentCoins);
    }

    public bool SpendCoin(int amount)
    {
        if (currentCoins < amount)
        {
            Debug.Log("Not enough coins. Current: " + currentCoins + " / Need: " + amount);
            return false;
        }

        currentCoins -= amount;
        UpdateCoinUI();

        Debug.Log("Coin Spent: " + amount + " / Total Coin: " + currentCoins);
        return true;
    }

    public int GetCoinCount()
    {
        return currentCoins;
    }

    void UpdateCoinUI()
    {
        if (coinText != null)
        {
            coinText.text = "Coin: " + currentCoins;
        }
    }
}