using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;
using UnityEngine.Video;
public class LoadingScreen : MonoBehaviour
{
    public static LoadingScreen instance;
    CanvasGroup canvasGroup;
    public Slider loadingProgress;
    public TMPro.TMP_Text loadingProgressTxt;
    public VideoPlayer loadingScreenVideo;
    private static bool loading;
    public static bool Loading => loading;

    void Awake()
    {
        instance = this;
        Application.backgroundLoadingPriority = ThreadPriority.Low;
        canvasGroup = GetComponent<CanvasGroup>();

    }
    void Start()
    {
        DontDestroyOnLoad(gameObject);
    }

    public void LoadLevel(string levelName)
    {
        if (loading) { return; }
        loading = true;
        StartCoroutine(loadlLevel(levelName));
    }

    IEnumerator loadlLevel(string levelName)
    {
        AudioManager.instnace.SetMusic(-1);
        TutorialManager.instance = null;
        loading = true;
        canvasGroup.alpha = 0;
        canvasGroup.blocksRaycasts = true;
        loadingScreenVideo.Play();
        SetProgress(0);
        while (canvasGroup.alpha < 1f)
        {
            canvasGroup.alpha += 0.03f;
            yield return new WaitForFixedUpdate();
        }
        // if (levelName.ToLower().Contains("minigame") && !levelName.ToLower().Contains("tutorial"))
        // {
        //     while (RegionManager.selectedServer == null && levelName.Contains("Minigame"))
        //     {
        //         loadingProgressTxt.text = "Preparing";
        //         yield return new WaitForSeconds(0.5f);
        //     }
        // }
        AsyncOperation asyncOperation = SceneManager.LoadSceneAsync(levelName);
        // asyncOperation.allowSceneActivation = false;
        while (!asyncOperation.isDone)
        {
            //Output the current progress
            // m_Text.text = "Loading progress: " + (asyncOperation.progress * 100) + "%";
            // Check if the load has finished
            SetProgress(asyncOperation.progress);
            yield return null;
        }
        Debug.Log("Loaded scene " + levelName);
        yield return new WaitForSecondsRealtime(0.2f);

        canvasGroup.blocksRaycasts = false;

        while (canvasGroup.alpha > 0)
        {
            canvasGroup.alpha -= 0.03f;
            yield return new WaitForSecondsRealtime(0.015f);

        }
        Debug.Log("Loading scene vanishing");

        loading = false;
    }

    void SetProgress(float value)
    {
        loadingProgress.value = value;
        loadingProgressTxt.text = (int)(value * 100) + "%";
    }

    public void DeleteRankedRooms(int port)
    {
        StartCoroutine(CloseRoomClient(port));
    }

    IEnumerator CloseRoomClient(int port)
    {
        Debug.Log("Clearing rooms for port " + port);
        WWWForm form = new WWWForm();
        form.AddField("port", port);
        WWW req = new WWW(DBmanager.phpRoot + "clear_ranked_room.php", form);
        yield return req;

        Debug.Log(req.text);
    }
}