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

public class Maze_Manager : MonoBehaviour
{
    public static Maze_Manager instance;
    public List<GameObject> levels = new List<GameObject>();
    public List<string> questions = new List<string>();
    public int currentIndex = 0;
    public bool canPlay = false;
    private Text titleTxt,feedbackTxt;
    private Maze_Player player;
    private Maze_Level currentLevel;
    private Animator anim;

    public void Awake()
    {
        instance = this;
        anim = GetComponent<Animator>();
        currentLevel = GameObject.Find("Level").GetComponent<Maze_Level>();
        player = GameObject.Find("Player").GetComponent<Maze_Player>();
        titleTxt = GameObject.Find("TitleText").GetComponent<Text>();
        feedbackTxt = GameObject.Find("FeedbackText").GetComponent<Text>();
        anim.SetTrigger("DoPresentation");
        StartCoroutine(FirstLevel());
        GameControl.instance.StartedGame();
    }

    public void ChangeQuestion()
    {
        currentIndex++;
        if (currentIndex < questions.Count)
        {
        anim.SetTrigger("DoPresentation");
        feedbackTxt.text = "Correct! Next Question";
        titleTxt.text = questions[currentIndex];
        anim.SetTrigger("ShowFeedback");
        anim.SetTrigger("ShowTitle");
        StartCoroutine(WaitToSetCL());
        }
        else
        {
            GameControl.instance.FinishGame();
        }
    }

    public void StartStage()
    {
        currentLevel.GetComponent<Maze_Level>().StartLevel();
    }

    public void Restart()
    {
        anim.SetTrigger("DoPresentation");
        feedbackTxt.text = "Try again";
        anim.SetTrigger("ShowFeedback");
        StartCoroutine(WaitToRestart());
    }

    IEnumerator WaitToRestart()
    {
        player.canMove = false;
        yield return new WaitForSeconds(3);
        currentLevel.RestartLevel();
        anim.SetTrigger("ByePresentation");
    }

    IEnumerator WaitToSetCL()
    {
        yield return new WaitForSeconds(1);
        Destroy(currentLevel.gameObject);
        yield return new WaitForEndOfFrame();
        Maze_Level nextLevel = Instantiate(levels[currentIndex],Vector3.zero,Quaternion.Euler(0,0,0),transform).GetComponent<Maze_Level>();
        nextLevel.gameObject.name = "Level";
        yield return new WaitForSeconds(4);
        currentLevel = nextLevel;
        anim.SetTrigger("ByePresentation");
    }

    IEnumerator FirstLevel()
    {
        yield return new WaitForSeconds(1);
        titleTxt.text = questions[currentIndex];
        anim.SetTrigger("ShowTitle");
        yield return new WaitForSeconds(4);
        anim.SetTrigger("ByePresentation");

    }
}