using UnityEngine;
using UnityEngine.UI;
using QFramework;
using UnityEngine.Video;
using System;
using System.Net;
using UnityEngine.EventSystems;
using DG.Tweening.Plugins.Options;

namespace QFramework.Example
{
    public class UIVideoData : UIPanelData
    {
        public string url;
        public Vector2 offset;
        public Vector2 size;
        public string finishedEvent;
        public string closeEvent;
    }
    public partial class UIVideo : UIPanel
    {
        string totalTime;
        bool isDragging = false;
        protected override void OnInit(IUIData uiData = null)
        {
            mData = uiData as UIVideoData ?? new UIVideoData();
            // please add init code here
            Progress.onValueChanged.AddListener(OnSliderValueChanged);
            Progress.OnBeginDragEvent(OnProgressBeginDrag);
            Progress.OnEndDragEvent(OnProgressEndDrag);
            player.loopPointReached += VideoPlayer_loopPointReached;
            player.prepareCompleted += OnPrepareCompleted;
            CloseBtn.onClick.AddListener(() =>
            {
                if (player.isPlaying)
                {
                    player.Stop();

                }
                if (string.IsNullOrEmpty(mData.finishedEvent) == false)
                {
                    StringEventSystem.Global.Send(mData.finishedEvent);
                }
                if (string.IsNullOrEmpty(mData.closeEvent) == false)
                {
                    StringEventSystem.Global.Send(mData.closeEvent);
                }
                player.targetTexture.Release();
                Hide();
            });
            VideoPlayBtn.onClick.AddListener(() =>
            {
                player.Pause();
                SetImg();
            });

            PauseBtn.onClick.AddListener(() =>
            {
                if (player.isPaused)
                {
                    player.Play();
                }
                else
                {
                    player.Pause();
                }
                SetImg();
            });
        }

        public void SetImg()
        {
            if (player.isPaused)
            {
                PauseImg.gameObject.SetActive(true);
            }
            else
            {
                PauseImg.gameObject.SetActive(false);
            }
        }

        private void OnPrepareCompleted(VideoPlayer source)
        {
            Progress.maxValue = (float)player.length;
            totalTime = Utility.FormatTime(player.length);
        }

        private void OnProgressEndDrag(PointerEventData data)
        {
            isDragging = false;
            player.Play(); // 继续播放视频
        }

        private void OnProgressBeginDrag(PointerEventData data)
        {
            isDragging = true;
            player.Pause(); // 暂停视频播放
        }

        /// <summary>
        /// 当进度条的值发生变化时调用
        /// </summary>
        /// <param name="value">进度条的值</param>
        private void OnSliderValueChanged(float value)
        {
            if (isDragging)
            {
                // 拖动进度条时，设置视频播放时间为进度条的值
                player.time = value;
            }
        }
        void Update()
        {
            if (!isDragging && player.isPlaying)
            {
                // 更新进度条的值为当前播放时间
                Progress.value = (float)player.time;

                VideoTimeText.text = $"{Utility.FormatTime(player.time)}/{totalTime}";
            }
        }



        protected override void OnOpen(IUIData uiData = null)
        {
            mData = uiData as UIVideoData ?? new UIVideoData();
            if (mData.size != Vector2.zero)
            {
                VideoContent.rectTransform.sizeDelta = mData.size;
            }
            VideoContent.transform.localPosition = mData.offset;

            player.url = Global.videoPath + mData.url;
            player.Play();
            SetImg();
        }

        private void VideoPlayer_loopPointReached(UnityEngine.Video.VideoPlayer source)
        {
            if (string.IsNullOrEmpty(mData.finishedEvent) == false)
            {
                StringEventSystem.Global.Send(mData.finishedEvent);
            }
            player.targetTexture.Release();
        }

        protected override void OnShow()
        {
        }

        protected override void OnHide()
        {
        }

        protected override void OnClose()
        {
        }
    }
}