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

public class A11G6QuestionManager : MonoBehaviour
{
    public static A11G6QuestionManager instance;
    public A11G6Droper questionD;
    public Text questionText;
    public List<A11G6QuestionClass> questions = new List<A11G6QuestionClass>();
    public Transform answerOrganizer;
    private List<A11G6Dragger> answerDs = new List<A11G6Dragger>();
    private Coroutine running = null;
    private Animator anim;
    private int currentIndex, nAnswers, nAnswered;

    public void Awake()
    {
        anim = GetComponent<Animator>();
        instance = this;
        for (int i = 0; i < answerOrganizer.childCount;i++)
        {
            answerDs.Add(answerOrganizer.GetComponentsInChildren<A11G6Dragger>()[i]);
        }
        NextQuestion();
        GameControl.instance.StartedGame();
    }

    public void CorrectAnswer()
    {
        anim.SetTrigger("Correct");
        A10D1AudioSystem.instance.Correct();
        nAnswered++;
        Debug.Log("Correct answers : " + nAnswered + ". Answers Remaining : " + nAnswers);
        if (nAnswered == nAnswers)
        {
            if (running == null)
            {
                running = StartCoroutine(WaitToNext());
            }
            else
            {
                StopCoroutine(running);
                running = StartCoroutine(WaitToNext());
            }
        }
    }

    public void WrongAnswer()
    {
        anim.SetTrigger("Wrong");
        A10D1AudioSystem.instance.Wrong();
    }

    public void SetupAnswers()
    {
        for (int i = 0; i < questions[currentIndex].answers.Count; i++)
        {
            answerDs[i].SetupThis(questions[currentIndex].answers[i]);
        }
    }

    public void NextQuestion()
    {
        if (currentIndex < questions.Count)
        {
            nAnswers = 0;
            nAnswered = 0;
            for (int i = 0; i < questions[currentIndex].answers.Count; i++)
            {
                if (questions[currentIndex].answers[i].isCorrect)
                {
                    nAnswers++;
                }
            }
            questionD.SetupThis(questions[currentIndex]);
            questionText.text = questions[currentIndex].questionTitle;
            SetupAnswers();
        }
        else
        {
            GameControl.instance.FinishGame();
        }
    }

    IEnumerator WaitToNext()
    {
        currentIndex++;
        yield return new WaitForSecondsRealtime(3);
        NextQuestion();
    }
}