PGiZ1/Assets/Code/Gameplay/RaceManager.cs

using Code.DI;
using Code.Input;
using TMPro;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;

namespace Code.Gameplay
{
    public class RaceManager : MonoBehaviour
    {
        [Header("UI")]
        [SerializeField] private TMP_Text countdownText;
        [SerializeField] private TMP_Text timerText;
        [SerializeField] private GameObject resultsWrapper;

        [Header("Settings")]
        [SerializeField] private float countdownDuration = 3f;
        [SerializeField] private float startDelayAfterGo = 0.5f;

        private float _startTime;
        private float _elapsedTime;
        private bool _isRaceActive = false;
        private IInputService _inputService;
        
        private TMP_Text _resultText;
        private TMP_InputField _nameField;
        private Button _restartButton;
        private Button _toMenuButton;

        private void Awake()
        {
            var container = FindFirstObjectByType<DIContainer>();
            _inputService = container.Resolve<IInputService>();
            
            _resultText = resultsWrapper.transform.Find("Text Area")?.Find("Text")?.GetComponent<TMP_Text>();
            _nameField = resultsWrapper.transform.Find("EnterNameField")?.GetComponent<TMP_InputField>();
            _restartButton = resultsWrapper.transform.Find("RestartButton")?.GetComponent<Button>();
            _toMenuButton = resultsWrapper.transform.Find("ToMenuButton")?.GetComponent<Button>();

            resultsWrapper.SetActive(false);
        }

        private void Start()
        {
            StartCountdown();
        }

        private void Update()
        {
            if (_isRaceActive)
            {
                _elapsedTime = Time.time - _startTime;
                UpdateTimer();
            }
        }

        private void StartCountdown()
        {
            _isRaceActive = false;
            _startTime = Time.time + countdownDuration + startDelayAfterGo;

            countdownText.text = "3";
            Invoke(nameof(Show2), 1f);
        }

        private void Show2()
        {
            countdownText.text = "2";
            Invoke(nameof(Show1), 1f);
        }

        private void Show1()
        {
            countdownText.text = "1";
            Invoke(nameof(ShowGo), 1f);
        }

        private void ShowGo()
        {
            countdownText.text = "GO!";
            Invoke(nameof(StartRace), startDelayAfterGo);
        }

        private void StartRace()
        {
            _inputService.EnableMap(ActionMapping.Gameplay);
            _isRaceActive = true;
            _startTime = Time.time;
            countdownText.gameObject.SetActive(false);
        }

        private void UpdateTimer()
        {
            var totalMs = (int)(_elapsedTime * 1000f);
            var minutes = totalMs / 60000;
            var seconds = (totalMs % 60000) / 1000;
            var milliseconds = totalMs % 1000;

            timerText.text = $"{minutes:D2}:{seconds:D2}:{milliseconds:D2}";
        }

        public void OnFinish()
        {
            _isRaceActive = false;
            countdownText.gameObject.SetActive(false);

            resultsWrapper.SetActive(true);
            _inputService.DisableMap(ActionMapping.Gameplay);

            _restartButton.onClick.AddListener(RestartRace);
            _toMenuButton.onClick.AddListener(LoadMainMenu);
        }

        private void RestartRace()
        {
            SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex);
        }

        private void LoadMainMenu()
        {
            SceneManager.LoadScene("MainMenu");
        }
    }
}