using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using UnityEngine;
using UnityEngine.UI;

public class TimerScript : MonoBehaviour
{
    [DllImport("__Internal")]
    public static extern void FailedGame();

    public Animator lose;

    public float limitTime = 60;
    public bool startTimer = false;
    private float initialTimer = 0;
    private float minutes;
    private float seconds;
    public float displayTime;
    public bool pauseTime = false;
    public Text display;
    public CanvasGroup hud;
    public Image circleLoader;

    // Start is called before the first frame update
    void Start()
    {
        startTimer = true;
        lose = GameObject.Find("GameOverPanel").GetComponent<Animator>();

        initialTimer = limitTime;
        minutes = Mathf.Floor(limitTime / 60) ;
        seconds = limitTime % 60;
        display.text = 0 + minutes.ToString("00") + " " + Mathf.RoundToInt(seconds).ToString("00");
    }

    // Update is called once per frame
    void Update()
    {
        if (ControllerQuestions.ended)
        {
            pauseTime = true;
        }
        if (limitTime <= 0)
        {
            lose.SetBool("done", true); ControllerQuestions.ended = true; FailedGame();
        }

        if (startTimer && !pauseTime)
        {
            Timer();
            if (limitTime > 0)
            {
                limitTime -= Time.deltaTime;
                seconds -= Time.deltaTime;
            }
            display.text = 0 + minutes.ToString("00") + " " + Mathf.RoundToInt(seconds).ToString("00");
            CircleAnimation();
        }

    }

    public void StartTimer()
    {
        startTimer = true;
    }

    public void PauseTimer(bool change = true)
    {
        pauseTime = change;
    }

    public void ResetTimer()
    {
        limitTime = initialTimer;
    }

    void Timer()
    {
        if (seconds <= 0)
        {
            if (minutes > 0)
            {
                seconds = 59;
                minutes--;
            }
            else
            {
                minutes = 00;
                seconds = 00;
            }
        }
    }
    
    private void CircleAnimation()
    {
        if (circleLoader != null)
        {
            circleLoader.fillAmount = limitTime / initialTimer;
        }
    }
}