using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;
using DG.Tweening;
public class LoadLevel : MonoBehaviour
{
    public static int scene;

    private int section = 1;
    private int level;

    public Text t;
    public Text t2;
    // Use this for initialization
    private bool stage1= false;
    private bool stage2=false;
    private bool stage3= false;
    private bool stage4= false;

    IEnumerator AsynchronousLoad()
    {

        yield return null;

        int div = 1;

        section = (scene / 6)+1;
        level = scene - section * 6;
        if (level < 1) level = 1;
        if (section < 1) section = 1;
        AsyncOperation ao_root = SceneManager.LoadSceneAsync("Root");

        AsyncOperation ao_curr = (scene >=  0) ? SceneManager.LoadSceneAsync("Section_"+ section+"_" + level, LoadSceneMode.Additive) : null;
        AsyncOperation ao_next = (scene < 6) ? SceneManager.LoadSceneAsync("Section_" + section + "_" + (level + 1), LoadSceneMode.Additive) : null;
        AsyncOperation ao_prew = (scene > 1) ? SceneManager.LoadSceneAsync("Section_1" + section + "_" + (level - 1), LoadSceneMode.Additive) : null;

        ao_root.priority = 1;
        ao_root.allowSceneActivation = false;




        if (ao_curr != null)
        {
            div++;
            ao_curr.priority = 2;
            ao_curr.allowSceneActivation = false;
        }


        if (ao_prew != null)
        {
            div++;
            ao_prew.priority = 3;
            ao_prew.allowSceneActivation = false;
        }

        if (ao_next != null)
        {
            div++;
            ao_next.priority = 4;
            ao_next.allowSceneActivation = false;

        }
            t.text += "Мистер Дженнингс пришёл на работу \n";
        while (!ao_root.isDone)
        {
            if (ao_root.progress > 0.1f && stage1 == false) {
                t.text += "Мистер Дженнингс растапливает печи \n";
                stage1 = true;
            }
            if (ao_root.progress == 0.9f)
            {

                 t.text += "Мистер Дженнингс сходит с ума \n";
                break;
            }

            yield return new WaitForSeconds(1f);

        }

        if (ao_prew != null)
        {
            while (!ao_prew.isDone)
            {


                if (ao_prew.progress == 0.9f) break;
                yield return new WaitForSeconds(1f);

            }
        }
        t.text += "Мистер Дженнингс cоздаёт своё лучшее произведение \n";
        if (ao_next != null)
        {
            while (!ao_next.isDone)
            {


                if (ao_next.progress == 0.9f) break;
                yield return new WaitForSeconds(1f);

            }
        }


        if (ao_curr != null)
        {
            while (!ao_curr.isDone)
            {


                if (ao_curr.progress == 0.9f) {

                    break; }
                yield return new WaitForSeconds(1f);

            }
        }yield return new WaitForSeconds(1f);
        while (true)
        {
            t2.text = "ОНИ ГОТОВЫ, НАЖМИТЕ ЧТОБЫ НАЧАТЬ \n";
            if (Input.anyKey)
            {
                //yield return new WaitForSeconds(1f);
                if (ao_curr != null)
                {
                    ao_curr.allowSceneActivation = true;
                }
                ao_root.allowSceneActivation = true;



                if (ao_prew != null)
                {

                    ao_prew.allowSceneActivation = true;
                }
                if (ao_next != null)
                {
                    ao_next.allowSceneActivation = true;

                }
                //yield return new WaitForSeconds(1f);
                Debug.Log(LoadLevel.scene - 1);
                break;
            }

            yield return null;
        }
    }
    void Start()
    {

        StartCoroutine(AsynchronousLoad());

    }

}