using System;
using System.Collections;
using System.Collections.Generic;
using Kill.Core;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Video;
namespace Kill.UI.Components
{
    public class VideoCtrl : MonoBehaviour
    {
        public bool istest;
        public VideoPlayer videoPlayer;

        public bool needFullScreen = false;
        bool isFullScreen = false;
        /// <summary>
        /// 0:正常播放 1:全屏播放
        /// </summary>
        public List<RenderTexture> renderTextures;
        public RawImage windowImage;
        public RawImage fullImage;
        public GameObject playButton;
        public GameObject pauseButton;
        public Text totalTimeText;
        public Text nowTime;
        public Slider slider;
        bool isplaying = false;
        bool ispause = false;
        Action playOver;
        string url;

        private void FixedUpdate()
        {
            if (isplaying)
            {

                OnVideoPlaying();
            }

        }
        public void Init(string url, Action playOver)
        {
            this.playOver = playOver;
            this.url = url;
            SetVideo(url);
            if (playButton != null)
            {
                playButton.SetActive(false);
            }
            if (pauseButton != null)
            {
                pauseButton.SetActive(false);
            }
            ispause = true;
        }

        public void PlayVideo()
        {
            StartCoroutine(YieldPlay());

        }



        public IEnumerator YieldPlay()
        {
            yield return new WaitForSeconds(0.1f);
            ispause = false;
            videoPlayer.Play();
            if (playButton != null)
            {
                playButton.SetActive(false);
            }
            if (pauseButton != null)
            {
                pauseButton.SetActive(true);
            }
            isplaying = true;
        }
        public void PauseVideo()
        {
            ispause = true;
            videoPlayer.Pause();
            isplaying = false;
            if (playButton != null)
            {
                playButton.SetActive(true);
            }
            if (pauseButton != null)
            {
                pauseButton.SetActive(false);
            }
        }
        public void RePlay()
        {
            videoPlayer.Stop();
            videoPlayer.frame = 0;
            PlayVideo();
        }
        public void SetVideo(string url)
        {
            videoPlayer.url = url;
            videoPlayer.prepareCompleted += VideoPrepared;
            videoPlayer.Prepare();
            if (playButton != null)
            {
                playButton.SetActive(true);
            }
        }
        int totalTime = 0;
        public void VideoPrepared(VideoPlayer player)
        {
            if (renderTextures != null && renderTextures.Count > 0)
            {
                foreach (var r in renderTextures)
                    Destroy(r);
                renderTextures.Clear();
            }
            renderTextures=new List<RenderTexture>();
            RenderTexture texture = new RenderTexture((int)player.width, (int)player.height, 1);
            renderTextures.Add(texture);
            player.targetTexture = texture;
            windowImage.texture = texture;
            if (needFullScreen)
            {
                var size = fullImage.GetComponentInParent<RectTransform>().rect;
                RenderTexture fullTexture = new RenderTexture((int)size.height, (int)size.width, 1);
                fullImage.GetComponent<RectTransform>().sizeDelta = new Vector2(size.height, size.width);
                renderTextures.Add(fullTexture);
                fullImage.texture = fullTexture;
            }
            videoPlayer.frame = 0;
            if (slider != null)
            {
                totalTime = (int)(player.frameCount / player.frameRate + 0.5f);
                totalTimeText.text = SecondToHour(totalTime);
            }

            videoPlayer.prepareCompleted -= VideoPrepared;

            player.loopPointReached += VideoOver;
            if (playButton != null)
                playButton.SetActive(true);

        }
        public void ShowAnimation(int dir)
        {
            Animation Anim = GetComponent<Animation>();
            if (Anim != null)
            {
                if (dir == -1)
                {
                    Anim["视频出现"].time = Anim["视频出现"].clip.length;
                    Anim["视频出现"].speed = -1;
                    Anim.Play("视频出现");
                }
                else
                {
                    Anim["视频出现"].time = 0;
                    Anim["视频出现"].speed = 1;
                    Anim.Play("视频出现");
                }
            }
        }
        long lastFrame = 0;
        /// <summary>
        /// 播放中事件（给进度条赋值）
        /// </summary>

        public void OnVideoPlaying()
        {
            if (slider == null)
                return;
            if (Mathf.Abs(videoPlayer.frame - lastFrame) < 1)
                return;
            slider.value = (videoPlayer.frame + 1) / (float)videoPlayer.frameCount;
            lastFrame = videoPlayer.frame;
            nowTime.text = SecondToHour((int)(totalTime * slider.value));
        }
        /// <summary>
        /// 拖动进度条
        /// </summary>
        public void PointDownUp()
        {
            //if (slider.value != lastValue)
            //{
            //    videoPlayer.frame = (long)(videoPlayer.frameCount * slider.value);
            //}
            if (slider.value >= 0.98f)
            {
                videoPlayer.Stop();
                VideoOver(videoPlayer);
                return;

            }
            videoPlayer.frame = (long)(videoPlayer.frameCount * slider.value) - 1;
            nowTime.text = SecondToHour((int)(totalTime * slider.value));
            if (!ispause)
            {
                videoPlayer.Play();
                isplaying = true;
            }
            // TeacherServer.m_instance.SendVideoProcess((long)(videoPlayer.frameCount * slider.value) - 1);
        }
        public void PointDown()
        {
            videoPlayer.Pause();
            isplaying = false;
        }
        public void Draging()
        {
            videoPlayer.frame = (long)(videoPlayer.frameCount * slider.value) - 1;
            nowTime.text = SecondToHour((int)(totalTime * slider.value));
        }
        public void VideoOver(VideoPlayer vp)
        {
            vp.loopPointReached -= VideoOver;
            isplaying = false;
            if (playButton != null)
            {
                playButton.SetActive(true);
            }
            if (pauseButton != null)
            {
                pauseButton.SetActive(false);
            }
            playOver();
            Init(url, playOver);
        }

        public void SetFullScreen(bool isFullScreen)
        {
            this.isFullScreen = isFullScreen;
            if (isFullScreen)
            {
#if UNITY_ANDROID
                AndroidStatusBar.statusBarState = AndroidStatusBar.States.Hidden;
#endif
                videoPlayer.targetTexture = renderTextures[1];
                fullImage.transform.parent.gameObject.SetActive(true);
                UIManager.Instance.AddBackAction(() => SetFullScreen(false));
                if (ispause)
                    PlayVideo();
            }
            else
            {
#if UNITY_ANDROID
                AndroidStatusBar.statusBarState = AndroidStatusBar.States.TranslucentOverContent;
#endif
                videoPlayer.targetTexture = renderTextures[0];
                fullImage.transform.parent.gameObject.SetActive(false);
                UIManager.Instance.RecoverBackAction();
            }
        }
        /// <summary>
        /// 秒转换小时
        /// </summary>
        /// <param name="time"></param>
        /// <returns></returns>
        public string SecondToHour(float time)
        {
            int hour = 0;
            int minute = 0;
            int second = 0;
            second = (int)time;

            if (second > 60)
            {
                minute = second / 60;
                second = second % 60;
            }
            if (minute > 60)
            {
                hour = minute / 60;
                minute = minute % 60;
            }
            string result = "";
            if (hour > 0)
            {
                result += hour + ":";

            }
            if (minute < 10)
                result += "0";
            result += minute + ":";
            if (second < 10)
                result += "0";
            result += second.ToString();
            return result;
        }
    }
}