using UnityEngine;
using UnityEngine.UI;
using TMPro;
using System.Collections;
using RTLTMPro;

public class timerStarter : MonoBehaviour
{
    public TextMeshProUGUI timerText;
    public RTLTextMeshPro questionText;

    public GameObject startButton;
    public GameObject answerButton;
    public GameObject resumeButton;
    public GameObject endButton;

    private float countdownTime = 300f;
    private float timeLeft;
    private Coroutine countdownCoroutine;
    private bool isPaused = false;
    private int cycleCount = 0;
    private const int maxCycles = 4;

    // Manual messages for each cycle
    public string[] questions = {
        "Question 1: What is your name?",
        "Question 2: What is your quest?",
        "Question 3: What is your favorite color?",
        "Question 4: What is the airspeed velocity of an unladen swallow?"
    };

    void Start()
    {
        ResetUI();
    }

    public void OnStartButtonPressed()
    {
        cycleCount = 0;
        timeLeft = countdownTime;
        SetButtons(activeStart: false, activeAnswer: true, activeResume: false, activeEnd: false);
        ShowNextQuestion();
        countdownCoroutine = StartCoroutine(StartCountdown());
    }

    public void OnAnswerButtonPressed()
    {
        if (countdownCoroutine != null)
        {
            StopCoroutine(countdownCoroutine);
        }
        isPaused = true;
        SetButtons(activeStart: false, activeAnswer: false, activeResume: true, activeEnd: false);
    }

    public void OnResumeButtonPressed()
    {
        cycleCount++;
        if (cycleCount >= maxCycles)
        {
            SetButtons(activeStart: false, activeAnswer: false, activeResume: false, activeEnd: true);
        }
        else
        {
            ShowNextQuestion();
            SetButtons(activeStart: false, activeAnswer: true, activeResume: false, activeEnd: false);
        }

        isPaused = false;
        countdownCoroutine = StartCoroutine(StartCountdown());
    }

    public void OnEndButtonPressed()
    {
        ResetUI();
    }

    IEnumerator StartCountdown()
    {
        while (timeLeft > 0)
        {
            int minutes = Mathf.FloorToInt(timeLeft / 60);
            int seconds = Mathf.FloorToInt(timeLeft % 60);
            timerText.text = $"{minutes:D2}:{seconds:D2}";
            yield return new WaitForSeconds(1f);
            timeLeft -= 1f;

            if (isPaused) yield break;
        }

        // If time runs out mid-cycle, reset everything
        ResetUI();
    }

    void ShowNextQuestion()
    {
        if (cycleCount < questions.Length)
        {
            questionText.text = questions[cycleCount];
        }
        else
        {
            questionText.text = "No more questions.";
        }
    }

    void ResetUI()
    {
        if (countdownCoroutine != null)
        {
            StopCoroutine(countdownCoroutine);
        }

        timerText.text = "00:00";
        questionText.text = "Press Start to begin.";
        timeLeft = countdownTime;
        isPaused = false;
        cycleCount = 0;
        SetButtons(activeStart: true, activeAnswer: false, activeResume: false, activeEnd: false);
    }

    void SetButtons(bool activeStart, bool activeAnswer, bool activeResume, bool activeEnd)
    {
        startButton.SetActive(activeStart);
        answerButton.SetActive(activeAnswer);
        resumeButton.SetActive(activeResume);
        endButton.SetActive(activeEnd);
    }
}