using MvCameraControl;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MvvmScaffoldFrame48.DLL.CameraTools
{
    /// <summary>
    /// 海康相机操作类
    /// </summary>
    public class HikCamera
    {
        /// <summary>
        /// 相机实例
        /// </summary>
        private IDevice device;

        /// <summary>
        /// 相机构造函数
        /// </summary>
        /// <param name="device">相机实例</param>
        /// <exception cref="Exception"></exception>
        public HikCamera(IDevice device)
        {
            if (device == null)
            {
                throw new Exception("相机实例不能为空");
            }
            this.device = device;
        }

        /// <summary>
        /// 相机构造函数
        /// </summary>
        /// <param name="deviceInfo">相机信息</param>
        /// <exception cref="Exception"></exception>
        public HikCamera(IDeviceInfo deviceInfo)
        {
            if (device != null && device.IsConnected)
            {
                device.Close();
                device.Dispose();
            }
            try
            {
                // 打开设备
                device = DeviceFactory.CreateDevice(deviceInfo);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }

            int result = device.Open();
            if (result != MvError.MV_OK)
            {
                throw new Exception("打开相机失败");
            }


            // 判断是否为gige设备
            if (device is IGigEDevice)
            {
                // 转换为gigE设备
                IGigEDevice gigEDevice = device as IGigEDevice;

                // 探测网络最佳包大小(只对GigE相机有效)
                result = gigEDevice.GetOptimalPacketSize(out int optionPacketSize);

                if (result != MvError.MV_OK)
                {
                    //Log("Warning: Get Packet Size failed!", result);
                }
                else
                {
                    result = device.Parameters.SetIntValue("GevSCPSPacketSize", (long)optionPacketSize);
                    if (result != MvError.MV_OK)
                    {
                        //Log("Warning: Set Packet Size failed!", result);
                    }
                }
            }
        }
    }
}