PGiZ4/Assets/Code/UI/GameplayController.cs

using Code.Saves;
using TMPro;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;
using PrimeTween;

namespace Code.UI
{
    public class GameplayController : MonoBehaviour
    {
        public static GameplayController Instance;

        [SerializeField] private TMP_Text coinsText;
        [SerializeField] private CanvasGroup deathPanelCanvasGroup;
        [SerializeField] private RectTransform deathPanelWindow;
        [SerializeField] private TMP_Text finalResultText;
        [SerializeField] private TMP_InputField nameInputField;
        [SerializeField] private Button restartButton;
        [SerializeField] private Button exitButton;
        
        [SerializeField] private AudioSource audioSource;
        [SerializeField] private AudioClip coinClip;
        [SerializeField] private AudioClip deathClip;

        private int _coins;

        private void Awake() => Instance = this;

        private void Start()
        {
            Time.timeScale = 1;

            if (deathPanelCanvasGroup != null)
            {
                deathPanelCanvasGroup.gameObject.SetActive(false);
                deathPanelCanvasGroup.alpha = 0;
            }

            var player = GameObject.FindGameObjectWithTag("Player")?.GetComponent<Gameplay.Player.PlayerController>();
            if (player != null) player.OnPlayerDeath += ShowDeathScreen;
            
            restartButton.onClick.AddListener(RestartGame);
            exitButton.onClick.AddListener(ExitGame);
        }

        public void AddCoin()
        {
            _coins++;
            coinsText.text = $"{_coins} Coins";

            Tween.PunchScale(coinsText.transform, strength: new Vector3(0.2f, 0.2f, 0.2f), duration: 0.2f);
            
            if (audioSource && coinClip) 
                audioSource.PlayOneShot(coinClip);
        }

        private void ShowDeathScreen()
        {
            if (audioSource && deathClip) 
                audioSource.PlayOneShot(deathClip);

            deathPanelCanvasGroup.gameObject.SetActive(true);

            Sequence.Create(useUnscaledTime: true)
                .Group(Tween.Alpha(deathPanelCanvasGroup, 1f, 0.4f))
                .Group(Tween.Scale(deathPanelWindow, startValue: 0.8f, endValue: 1f, duration: 0.5f, ease: Ease.OutBack))
                .OnComplete(() => Time.timeScale = 0);
            
            finalResultText.text = $"You collected: {_coins} coins";
        }

        private void RestartGame()
        {
            SaveScore();
            Time.timeScale = 1;
            SceneManager.LoadScene(SceneManager.GetActiveScene().name);
        }

        private void ExitGame()
        {
            SaveScore();
            Time.timeScale = 1;
            SceneManager.LoadScene("MainMenu");
        }

        private void SaveScore()
        {
            var data = SaveManager.Load();
            var currentName = string.IsNullOrEmpty(nameInputField.text) ? "Player" : nameInputField.text;

            data.playerName = currentName;

            data.leaderboard.Add(new LeaderboardEntry(currentName, _coins));

            data.leaderboard.Sort((a, b) => b.score.CompareTo(a.score));

            if (data.leaderboard.Count > 7)
            {
                data.leaderboard.RemoveRange(7, data.leaderboard.Count - 7);
            }

            SaveManager.Save(data);
        }

        private void OnDestroy()
        {
            restartButton.onClick.RemoveAllListeners();
            exitButton.onClick.RemoveAllListeners();

            var player = GameObject.FindGameObjectWithTag("Player")?.GetComponent<Gameplay.Player.PlayerController>();
            if (player != null) player.OnPlayerDeath -= ShowDeathScreen;
        }
    }
}