using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.SceneManagement;

public class GameManager : MonoBehaviour
{
    public static GameManager Instance;

    [SerializeField] private bool gameStarted = false;
    public bool GameStarted() => gameStarted;

    [SerializeField] private Snake[] snakes;

    [SerializeField] private Food food;

    private void Awake()
    {
        if (Instance == null)
            Instance = this;
        else
            DestroyImmediate(this);
    }

    private void Start()
    {
        ResetGame();
    }

    private void StartGame()
    {
        gameStarted = true;
    }


    private void LateUpdate()
    {
        CheckForWin();
    }

    private void CheckForWin()
    {
        bool gameEnded = false;
        foreach (Snake snake in snakes)
        {
            if (!snake.isAlive())
            {
                gameEnded = true;
                Debug.Log($"{snake.name} died.");
            }
        }

        if (gameEnded)
            ResetGame();
    }

    private void ResetGame()
    {
        gameStarted = false;
        foreach (Snake snake in snakes)
        {
            snake.ResetState();
        }

        food.ResetState();
        Invoke(nameof(StartGame), 3);
    }
}