using System;
using RenderStreaming;
using Stary.Evo;
using Unity.RenderStreaming;
using Unity.XR.XREAL;
using UnityEngine;
using UnityEngine.UI;

namespace Script
{
    public class YUVToRenderTexture : MonoBehaviour, IController
    {
        /// <summary>
        ///     本地视频显示
        /// </summary>
        public RenderTexture localRenderTexture;

        private Material localVideoMaterial;
        private XREALRGBCameraTexture m_RGBCameraTexture;
        //private RawImage _localVideoImage;

        //private RawImage _textureImage;
        private VideoStreamSender  videoStreamSender;
        private void Start()
        {
            //_localVideoImage= GameObject.Find("CanvasMain/RawImage").GetComponent<RawImage>();
            //_textureImage= GameObject.Find("CanvasMain/RawImage1").GetComponent<RawImage>();
            localVideoMaterial = Resources.Load<Material>("LocalRenderMaterial");
            m_RGBCameraTexture = XREALRGBCameraTexture.CreateSingleton();
            videoStreamSender=this.GetComponent<VideoStreamSender>();
            Play();
        }

        public void Play()
        {
            if (!m_RGBCameraTexture.IsCapturing)
            {
                Debug.Log($"[RGBCamera] Play");
                m_RGBCameraTexture.StartCapture();
            }
        }

        void Update()
        {
            var yuvTextures = m_RGBCameraTexture.GetYUVFormatTextures();
            if (yuvTextures[0] != null)
            {
                ConvertYUVToRenderTexture(yuvTextures);
            }
        }

        public void ConvertYUVToRenderTexture(Texture2D[] yuvTextures)
        {
            if (yuvTextures == null || yuvTextures.Length < 3)
                return;

            // 获取Y纹理的尺寸作为目标RenderTexture的尺寸
            var width = videoStreamSender.width;
            var height = videoStreamSender.height;
            // if (_localVideoImage==null || _localVideoImage.rectTransform.sizeDelta.x != width || 
            //     _localVideoImage.rectTransform.sizeDelta.y != height)
            // {
            //     _localVideoImage.rectTransform.sizeDelta = new Vector2(width, height);
            // }
            // 如果RenderTexture不存在或尺寸不匹配，创建新的
            if (localRenderTexture == null || localRenderTexture.width != width ||
                localRenderTexture.height != height)
            {
                // 释放旧的RenderTexture
                if (localRenderTexture != null)
                    localRenderTexture.Release();

                // 创建新的RenderTexture
                localRenderTexture = new RenderTexture((int)width, (int)height, 0, RenderTextureFormat.ARGB32);
                localRenderTexture.enableRandomWrite = true;
                localRenderTexture.Create();
                //_textureImage.texture = localRenderTexture; 
            }

            // 设置YUV纹理到material
            //_localVideoImage.texture = yuvTextures[0];
            localVideoMaterial.SetTexture("_MainTex", yuvTextures[0]);
            localVideoMaterial.SetTexture("_UTex", yuvTextures[1]);
            localVideoMaterial.SetTexture("_VTex", yuvTextures[2]);

            Graphics.Blit(null, localRenderTexture, localVideoMaterial);
        }

        public void Stop()
        {
            if (m_RGBCameraTexture.IsCapturing)
            {
                if (localRenderTexture != null)
                    localRenderTexture.Release();
                Debug.Log($"[RGBCamera] Stop");
                m_RGBCameraTexture.StopCapture();
            }
        }


        public IArchitecture GetArchitecture()
        {
            return MainArchitecture.Interface;
        }
    }
}