using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PauseMenu : MonoBehaviour
{
    public MonoBehaviour PlayerMovement; //reference to playermovement
    public static bool GameIsPaused = false; //bool for if the menu is opened
    public GameObject pauseMenuUi; //reference to pauseMenuUi

    void Start()
    {
        pauseMenuUi.SetActive(false); //hiding the menu
        if (PlayerMovement != null)
        {
        GameIsPaused = PlayerMovement.enabled; //set game is paused to true if playermovement is disabled
        }
    }

    void Update()
    {
        if(Input.GetKeyDown(KeyCode.Escape)) //check if menu is opened
        {
            if(GameIsPaused)
            {
                Resume(); //resume if the menu is already open
            }
            else
            { 
                Pause();  //pause if the menu is closed
            }
        }
    }

    void Resume()
    {
        pauseMenuUi.SetActive(false); //hide menu 
        Time.timeScale = 1f; //continue time
        GameIsPaused = false; //games not paused
        PlayerMovement.enabled = true; //enabling player movement

    }   
    void Pause()
    {
        pauseMenuUi.SetActive(true); //show menu
        Time.timeScale = 0f; //stop time
        GameIsPaused = true; //game is paused
        PlayerMovement.enabled = false; //disabling player movement
    }
    
}