using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Video;
using BITKit;
using System.Threading.Tasks;
using UnityEngine.UIElements;
using Cysharp.Threading.Tasks;
namespace BITKit.UX
{
    public class UXVideoPlayer : UXElement<VisualElement>, IProvider<VideoClip>
    {
        const string _minimizeContainer = "minimize-container";
        const string _maximizeContainer = "maximize-container";
        const string _closeButton = "close-button";
        const string _maximizeButton = "maximize-button";
        const string _minimizeButton = "minimize-button";
        const string _videoName = "videoName-label";
        const string _playerSlider = "player-slider";
        const string _playButton = "play-button";
        const string _totalTimeLabel = "totalTime-label";
        const string _currentTimeLabel = "currentTime-label";
        [Header(Constant.Header.Settings)]
        public bool isMaximize;
        public bool log;
        public bool autoPlay;
        [Header(Constant.Header.Components)]
        public BITKit.Media.VideoPlayer videoPlayer;
        [Header(Constant.Header.InternalVariables)]
        Vector2 windowPosition;
        VisualElement minimizeContainer;
        VisualElement maximizeContainer;

        public void Play(VideoClip clip)
        {
            videoPlayer.Stop();
            Set(clip);
            videoPlayer.player.Prepare();
            videoPlayer.player.time = 0;
            if (autoPlay)
            {
                videoPlayer.Play();
            }
            else
            {
                videoPlayer.Prepare();
            }
            foreach (var x in visualElement.Query<Label>(_videoName).ToList())
            {
                x.text = clip.name;
            }
            SetActive(true);
            if (isMaximize)
            {
                Maximize();
            }
            else
            {
                Minimize();
            }
        }
        public override void OnStart()
        {
            document.sortingOrder = 8;
            base.OnStart();

            minimizeContainer = visualElement.Q(_minimizeContainer);
            maximizeContainer = visualElement.Q(_maximizeContainer);

            foreach (var x in visualElement.Query<Button>(_minimizeButton).ToList())
            {
                x.clicked += Minimize;
            }
            foreach (var x in visualElement.Query<Button>(_maximizeButton).ToList())
            {
                x.clicked += Maximize;
            }
            foreach (var x in visualElement.Query<Button>(_closeButton).ToList())
            {
                x.clicked += Close;
            }

            foreach (var x in visualElement.Query<Button>(_playButton).ToList())
            {
                videoPlayer.onPlay.AddListener(SwitchToPlaying);
                videoPlayer.onStartPlay.AddListener(SwitchToPlaying);
                videoPlayer.onPause.AddListener(SwitchToStop);
                videoPlayer.onStopPlay.AddListener(SwitchToStop);
                x.clicked += videoPlayer.PlayOrPause;
                void SwitchToPlaying()
                {
                    x.AddToClassList("paused");

                }
                void SwitchToStop()
                {
                    x.RemoveFromClassList("paused");
                }
            }
            foreach (var x in visualElement.Query<Slider>(_playerSlider).ToList())
            {
                x.RegisterValueChangedCallback(x =>
                {
                    videoPlayer.SetNormalizeTime(x.newValue);
                });
                videoPlayer.onTime.AddListener(x.SetValueWithoutNotify);
                videoPlayer.onStopPlay.AddListener(() => x.SetValueWithoutNotify(0));
            }
            foreach (var x in visualElement.Query<Label>(_totalTimeLabel).ToList())
            {
                videoPlayer.onSetTotalTimeAsString.AddListener(y => x.text = y);
            }
            foreach (var x in visualElement.Query<Label>(_currentTimeLabel).ToList())
            {
                videoPlayer.onTimeAsString.AddListener(y => x.text = y);
            }

            Close();
        }
        VideoClip IProvider<VideoClip>.Get()
        {
            return videoPlayer.player.clip;
        }
        public void Set(VideoClip t)
        {
            videoPlayer.player.clip = t;
        }
        void Close()
        {
            videoPlayer.Stop();
            SetActive(false);
        }
        void Minimize()
        {
            minimizeContainer.SetActive(true);
            maximizeContainer.SetActive(false);
        }
        void Maximize()
        {
            minimizeContainer.SetActive(false);
            maximizeContainer.SetActive(true);
        }
    }
}