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

public class A13DQuestionManager : MonoBehaviour
{
    public static A13DQuestionManager instance;
    public List<A13DQuestionClass> questions = new List<A13DQuestionClass>();
    public GameObject answerPrefab, questionPrefab;
    public Transform answersOrganizer, questionsOrganizer;
    private int currentIndex, correctAnswers;
    private Animator anim;

    private void Awake()
    {
        instance = this;
        currentIndex = 0;
        anim = GetComponent<Animator>();
        SetupQuestion();
        GameControl.instance.StartedGame();
    }

    public void SetupQuestion()
    {
        for (int i = 0; i < questions[currentIndex].answers.Count; i++)
        {
            A13DDropper tempD = Instantiate(questionPrefab, questionsOrganizer, false).GetComponent<A13DDropper>();
            tempD.SetupThis(i);
        }
        SetupAnswer();
    }

    public void SetupAnswer()
    { 
        for (int i = 0; i < questions[currentIndex].answers.Count; i++)
        {
            A13DDragger tempD = Instantiate(answerPrefab, answersOrganizer, false).GetComponent<A13DDragger>();
            tempD.SetupThis(questions[currentIndex].answers[i]);
        }
    }

    public void CorrectAnswer()
    {
        correctAnswers++;
        A10D1AudioSystem.instance.Correct();
        if (correctAnswers == questions[currentIndex].answers.Count)
        {
            anim.SetTrigger("Correct");
            StartCoroutine(WaitForNext());
            currentIndex++;
            correctAnswers = 0;
        }
        
    }

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

    public void CleanOrganizers()
    {
        for (int i = 0; i < answersOrganizer.childCount; i++)
        {
           Destroy(answersOrganizer.GetComponentsInChildren<A13DDragger>()[i].gameObject);
        }
        for (int n = 0; n < questionsOrganizer.childCount; n++)
        {
           Destroy(questionsOrganizer.GetComponentsInChildren<A13DDropper>()[n].gameObject);
        }
    }

    IEnumerator WaitForNext()
    {
        yield return new WaitForSeconds(2);
        if (currentIndex < questions.Count)
        {
            CleanOrganizers();
            SetupQuestion();
        }
        else
        {
            GameControl.instance.FinishGame();
        }

    }
}