using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using Cysharp.Threading.Tasks;
using UnityEngine.UI;
using UnityEngine.Windows.WebCam;

namespace BITKit
{
    public class CameraProvider : MonoBehaviour
    {
        [SerializeField] private string cameraName;
        [SerializeField] private RenderTexture cameraTexture;

        [SerializeField] private RawImage rawImage;
        // Start is called before the first frame update
        async  void Start()
        {
           await Application.RequestUserAuthorization(UserAuthorization.WebCam);
           if (Application.HasUserAuthorization(UserAuthorization.WebCam))
           {
               WebCamDevice[] devices = WebCamTexture.devices;//获取可用设备
               if (WebCamTexture.devices.Length <= 0)
               {
                   Debug.LogError("没有摄像头设备，请检查");
                   return;
               }
               BIT4Log.Log<CameraProvider>($"已获取到摄像头:{string.Join(" and ",devices.Select(x=>x.name))}");
               
               string devicename =string.IsNullOrEmpty(cameraName) ?  devices.First().name : cameraName;
               var webCamTexture = new WebCamTexture(devicename, 256, 256, 30)
               {
                   wrapMode = TextureWrapMode.Repeat
               };
               rawImage.texture = webCamTexture;
               
               webCamTexture.Play();
           }
           else
           {
               BIT4Log.Warnning<CameraProvider>("未获取到WebCam授权");
           }
        }

    }
}