using SHJX.Service.Common.Logging;
using Microsoft.Extensions.Logging;
using SHJX.Service.Common.ReadXML;
namespace shjxCamera
{
    public class CreatCamera
    {
        private static readonly ILogger logger = SHJX.Service.Common.Logging.LogFactory.BuildLogger(typeof(CreatCamera));
        private static ReadConfigUtil _config =ReadConfigUtil.Instance;
        /// <summary>
        /// 摄像头
        /// </summary>
        public WebCamera WebCam { get; set; }

        /// <summary>
        /// 是否检测到摄像头
        /// </summary>
        public static bool HadWebcams { get; set; }
        /// <summary>
        /// CreatCamera实例
        /// </summary>
        private static CreatCamera _camera;

        /// <summary>
        /// 锁
        /// </summary>
        private static readonly object obj_lock = new();
        /// <summary>
        /// 摄像头传感器名称
        /// </summary>
        /// "USB CAMERA"
        /// "Integrated Camera" 
        private readonly string CamSensorName = _config.LogiCamera1Name;//"Logitech HD Webcam C270";//"Logi C270 HD WebCam";//
        /// <summary>
        /// 初始化
        /// </summary>
        /// <param name="log"></param>
        public CreatCamera()
        {
            TitrationSettings.SensorPara = new SensorsParameter();
            string camName = "";

            HadWebcams = false;
            for (int i = 0; i < WebCamera.GetCameras().Count; i++)
            {
                // 部分型号摄像头名称包含特殊符号，难以输入，故修改为名称关键词识别匹配，且兼容之前版本
                if (!WebCamera.GetCameraName(i).ToLower().Contains(CamSensorName.ToLower()))
                {
                    continue;
                }
                WebCam = null;
                WebCam = new WebCamera(WebCamera.GetCameraMoniker(i));
                camName = WebCam.VidCapDevice.Source.Split('&')[3];
                logger.LogInformation("相机1编号为" + camName + "，请配写入配置文件中");
                if (_config.LogiCamera1.Equals(camName))
                {
                    HadWebcams = true;
                    break;
                }
            }
            if (!HadWebcams)
            {
                logger.LogError("未找到摄像头1!");
            }
            else
            {
                
                logger.LogDebug($"找到摄像头1！");
            }
        }

        /// <summary>
        /// 默认值
        /// </summary>
        public static CreatCamera Instance
        {
            get
            {
                lock (obj_lock)
                {

                    if (_camera is null)
                    {
                        _camera = new CreatCamera();
                    }
                    return _camera;
                }
                
            }
        }
    }
}