using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using TMPro;
using Assets.Scripts.CharacterScripts;

public class PauseMenuController : MonoBehaviour{
    public TextMeshProUGUI stats; // The text for the player's stats in the pause menu
    public GameObject pauseMenu; // Reference to the overall pause menu canvas
    private bool isPaused = false; // Variable to see if we're currently paused or not
    public PlayerController player; // Reference to the player

    void Start(){
        // Make sure the pause menu is assigned to the canvas
        if (pauseMenu != null){
            // If the pause menu is initialized, set it's active status to false (makes it disappear)
            pauseMenu.SetActive(false);
        }
        // Initialize the player reference
        player = GameObject.FindGameObjectWithTag("Player").GetComponent<PlayerController>();
    }

    void Update(){
        // Press "P" to pause the game
        if (Input.GetKeyDown(KeyCode.P)){
            // Toggle the pause menu
            TogglePauseMenu();
        }
        // For some reason, the stats would only update after the succeeding level (ex: level 2 would reflect after leveling to 3)
        // So just update every frame to ensure accuracy as well
        stats.text = "STATS:\n" + "MAX HP: " + player.maxHealth + "\nATTACK: " + player.playerDamage + "\nDEFENSE: " + player.playerDefense;
    }

    void TogglePauseMenu(){
        if (pauseMenu != null){
            // Set our boolean to true because we're paused
            isPaused = true;
            // Activate the pause menu
            pauseMenu.SetActive(isPaused);

            // Freeze the game while pause menu is active
            Time.timeScale = 0f;
        }
    }

    // For clicking the Resume button
    public void ResumeGame(){
        // Resume the game and hide the pause menu
        isPaused = false;
        pauseMenu.SetActive(false);
        Time.timeScale = 1f; // Unfreeze gameplay
    }

    // For clicking the exit button
    public void ExitGame(){
        // Quit the application
        Application.Quit();
    }

    public void UpdateStats(){
        // Update the player's stats in the pause menu
        stats.text = "STATS:\n" + "MAX HP: " + player.maxHealth + "\nATTACK: " + player.playerDamage + "\nDEFENSE: " + player.playerDefense;
    }
}