using RenderHeads.Media.AVProVideo;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using DG.Tweening;
using CG.UTility;
using UnityEngine.EventSystems;
using ZXK.LouDiXvMuNiu;
using System;
/*******************************************************************************
*Create By CG
*Function 视频播放器
*******************************************************************************/
public class VCRCustom : MonoBehaviour
{
    [SerializeField]
    private MediaPlayer _playingPlayer;
    [SerializeField]
    private RectTransform _ctrlContainer;
    [SerializeField]
    private Slider _videoSeekSlider;
    [SerializeField]
    private Slider _audioVolumeSlider;
    [SerializeField]
    private Text _timeText;
    [SerializeField]
    private Button _playCtrlBtn;
    [SerializeField]
    private Image _playBigCtrlBtn;
    [SerializeField]
    private Button _playVideoCloseBtn;
    [SerializeField]
    private GameObject _volume;
    [SerializeField]//播放暂停小按钮
    private Sprite[] _playSmallCtrlImgs;
    [SerializeField]//播放暂停大按钮
    private Sprite[] _playBigCtrlImgs;
    [SerializeField]//有无声音
    private Sprite[] _audioCtrlImgs;

    private float _setVideoSeekSliderValue;
    private bool _wasPlayingOnScrub;
    //private float _setAudioVolumeSliderValue;

    private GraphicRaycaster _mRaycaster;
    private EventSystem _mEventSystem;

    private float _mouseStopTime = 2.0f;//鼠标停留多久隐藏控制按键
    private bool _downState = false;
    private float _curMouseTime = 0.0f;
    private Vector2 _previousPos = Vector2.zero;

    private Action _finishHandle;

    //private string _videoPath = Application.streamingAssetsPath + @"/AVProVideoSamples/BigBuckBunny_720p30.mp4";

    void Start()
    {
        
    }
    public void OnOpenVideoFile(string path)
    {
        _audioVolumeSlider.onValueChanged.RemoveAllListeners();
        _audioVolumeSlider.onValueChanged.AddListener((vul) =>
        {
            if (_playingPlayer && _audioVolumeSlider)
            {
                GameManager.Instance._CurAppVoice = vul;
                _playingPlayer.Control.SetVolume(vul);
                if (GameManager.Instance._CurAppVoice <= 0)
                {
                    _volume.transform.Find("AudLogo").GetComponent<Image>().sprite = _audioCtrlImgs[1];
                }
                else
                {
                    _volume.transform.Find("AudLogo").GetComponent<Image>().sprite = _audioCtrlImgs[0];
                }
            }
        });

        _mRaycaster = GameObject.FindGameObjectWithTag("MainCanvas").GetComponent<GraphicRaycaster>();
        _mEventSystem = GameManager.Instance.transform.GetChild(0).GetComponent<EventSystem>();

        _playingPlayer.m_VideoPath = path;
        if (string.IsNullOrEmpty(_playingPlayer.m_VideoPath))
        {
            _playingPlayer.CloseVideo();
        }
        else
        {
            _playingPlayer.OpenVideoFromFile(MediaPlayer.FileLocation.AbsolutePathOrURL, _playingPlayer.m_VideoPath, true);
            _playCtrlBtn.GetComponent<Image>().sprite = _playSmallCtrlImgs[0];
        }
        if (_playingPlayer)
        {
            _playingPlayer.Events.AddListener(OnVideoEvent);
            if (_audioVolumeSlider)
            {
                if (_playingPlayer.Control != null)
                {
                    //float volume = _playingPlayer.Control.GetVolume();
                    //_setAudioVolumeSliderValue = volume;
                    WDebug.Log($"当前音量：{GameManager.Instance._CurAppVoice}");
                    _audioVolumeSlider.value = GameManager.Instance._CurAppVoice;
                    _playingPlayer.Control.SetVolume(_audioVolumeSlider.value);
                }
            }
        }
    }
    public void SetFinishAction(Action finishAnm)
    {
        _finishHandle = finishAnm;
    }
    void Update()
    {
        if (_playingPlayer && _playingPlayer.Info != null && _playingPlayer.Info.GetDurationMs() > 0f)
        {
            float time = _playingPlayer.Control.GetCurrentTimeMs();
            System.TimeSpan timeSpan = System.TimeSpan.FromMilliseconds(time);
            float duration = _playingPlayer.Info.GetDurationMs();
            System.TimeSpan durationSpan = System.TimeSpan.FromMilliseconds(duration);
            _timeText.text = timeSpan.ToString("mm\\:ss") + "/" + durationSpan.ToString("mm\\:ss");//"hh\\:mm\\:ss"
            float d = Mathf.Clamp(time / duration, 0.0f, 1.0f);

            _setVideoSeekSliderValue = d;
            _videoSeekSlider.value = d;
        }

        Vector2 curPos = Input.mousePosition;
        //监听鼠标是否正在调节声音
        GraphicRaycaster(curPos);

        //监听鼠标是否移动
        if (Vector2.Distance(curPos, _previousPos) < 0.5f)
        {
            _curMouseTime += Time.deltaTime;
        }
        else
        {
            _curMouseTime = 0;

        }
        if (Input.GetMouseButtonDown(0) || Input.GetMouseButtonDown(1) || Input.GetMouseButtonDown(2))
        {
            CtrlContainerDownUp(false);
            _curMouseTime = 0;
        }
        if (_curMouseTime > _mouseStopTime)
        {
            CtrlContainerDownUp(true);
        }
        else
        {
            CtrlContainerDownUp(false);
        }
        _previousPos = curPos;
    }
    private void OnDestroy()
    {
        if (_playingPlayer)
        {
            _playingPlayer.Events.RemoveListener(OnVideoEvent);
        }
    }

    public void OnVideoEvent(MediaPlayer mp, MediaPlayerEvent.EventType et, ErrorCode errorCode)
    {
        switch (et)
        {
            case MediaPlayerEvent.EventType.ReadyToPlay:
                break;
            case MediaPlayerEvent.EventType.Started:
                break;
            case MediaPlayerEvent.EventType.FirstFrameReady:
                break;
            case MediaPlayerEvent.EventType.FinishedPlaying:
                _finishHandle?.Invoke();
                break;
        }
        WDebug.Log("Event: " + et.ToString());
    }

    public void OnVideoSeekSlider()
    {
        if (_playingPlayer && _videoSeekSlider && _videoSeekSlider.value != _setVideoSeekSliderValue)
        {
            _playingPlayer.Control.Seek(_videoSeekSlider.value * _playingPlayer.Info.GetDurationMs());
        }
    }
    public void OnVideoSliderDown()
    {
        if (_playingPlayer)
        {
            _wasPlayingOnScrub = _playingPlayer.Control.IsPlaying();
            if (_wasPlayingOnScrub)
            {
                _playingPlayer.Control.Pause();
            }
            OnVideoSeekSlider();
        }
    }
    public void OnVideoSliderUp()
    {
        if (_playingPlayer && _wasPlayingOnScrub)
        {
            _playingPlayer.Control.Play();
            _wasPlayingOnScrub = false;
        }
    }
    public void OnPlayPauseButton()
    {
        if (_playingPlayer.Control.IsPlaying())
        {
            _playingPlayer.Control.Pause();
            _playCtrlBtn.GetComponent<Image>().sprite = _playSmallCtrlImgs[1];
            _playBigCtrlBtn.GetComponent<Image>().sprite = _playBigCtrlImgs[1];
        }
        else
        {
            _playingPlayer.Control.Play();
            _playCtrlBtn.GetComponent<Image>().sprite = _playSmallCtrlImgs[0];
            _playBigCtrlBtn.GetComponent<Image>().sprite = _playBigCtrlImgs[0];
        }
    }
    private void CtrlContainerDownUp(bool isDown)
    {
        //WDebug.Log($"控制按钮状态；{isDown}");
        if (isDown)
        {
            if (!_downState)
            {
                WDebug.Log("执行下降");
                _downState = true;
                _ctrlContainer.GetComponent<CanvasGroup>().DOFade(0, 0.5f);
                //_ctrlContainer.DOAnchorPosY(-200.0f, 0.5f);
                //_playBigCtrlBtn.gameObject.SetActive(false);
            }
        }
        else
        {
            if (_downState)
            {
                WDebug.Log("执行上升");
                _downState = false;
                _ctrlContainer.GetComponent<CanvasGroup>().DOFade(1, 0.5f);
                //_ctrlContainer.DOAnchorPosY(-0, 0.5f);
                //_playBigCtrlBtn.gameObject.SetActive(true);
            }
        }
    }
    //检测鼠标是否在调节音量图片上面
    private void GraphicRaycaster(Vector2 pos)
    {
        var mPointerEventData = new PointerEventData(_mEventSystem);
        mPointerEventData.position = pos;
        List<RaycastResult> results = new List<RaycastResult>();
        _mRaycaster.Raycast(mPointerEventData, results);
        if (results.Count > 2)
        {
            for (int i = 0; i < results.Count; i++)
            {
                if (results[i].gameObject == _volume.gameObject)
                {
                    _volume.GetComponent<RectTransform>().sizeDelta = new Vector2(30, 180);
                    _audioVolumeSlider.gameObject.SetActive(true);
                    break;
                }
                else
                {
                    _volume.GetComponent<RectTransform>().sizeDelta = new Vector2(30, 30);
                    _audioVolumeSlider.gameObject.SetActive(false);
                }
            }
        }
    }
}