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

public class GameManager : MonoBehaviour
{
    public Transform player;
    public static Transform Player { get { if (instance == null) { return null; } return instance.player; } }

    public static GameManager instance { get; private set; }


    public Text timerTxt;
    public float game_start_timer = 5;
    public float game_end_timer = 15;
    public GameObject gameOverPanel;
    public GameObject[] bees;
    void Awake()
    {
        instance = this;
    }

    float t;
    bool gameStarted = false;
    bool beesReleased = false;
    public static void StartGame()
    {
        instance.gameStarted= true;
    }

    private void Update()
    {
        if(!gameStarted) { return; }

        t += Time.deltaTime;

        if(t < game_start_timer)
        {
            timerTxt.text = (game_start_timer - t).ToString("n0");
        }else if(t < game_end_timer)
        {
            if (!beesReleased) {
                beesReleased = true;
                ReleaseTheBees();
            } 
            timerTxt.text = (game_end_timer - t).ToString("n0");
        }
    }


    void ReleaseTheBees()
    {
        foreach(GameObject enemy in bees)
        {
            enemy.SetActive(true);
        }
    }

    public static void GameOver()
    {
        instance.gameOverPanel.SetActive(true);
    }

    public void Restart()
    {
        SceneManager.LoadScene(0);
    }
}