using Cognex.VisionPro;
using System.ComponentModel;
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media.Media3D;
using TeamAAS.Camera.Attributes;
using TeamAAS.Camera.Cameras;
using TeamAAS.Camera.Enums;
using TeamAAS.Camera.Images;
using TeamAAS.Camera.Models;
using Plugins.Vpp.Converters;

namespace Plugins.Vpp
{
    /// <summary>
    /// 康耐视 VisionPro 相机
    /// </summary>
    [Camera("Cognex VisionPro", "康耐视 VisionPro")]
    public class CognexCamera : CameraBase
    {
        private ICogAcqFifo CameraAcq;

        [Browsable(false)]
        public override string CameraBrand => "康耐视 VisionPro";

        public CognexCamera(Guid id, int index, string name, string serialNumber, string cameraIp, bool isFindByIp)
            : base(id, index, name, serialNumber, cameraIp, isFindByIp)
        {
        }

        #region 设备发现

        public static CameraInfo[] GetDevices()
        {
            var cameras = new List<CameraInfo>();
            if (!CheckSoftwareInstalled().isInstalled) return cameras.ToArray();

            using (var mFrameGrabbers = new CogFrameGrabbers())
            {
                int i = 0;
                foreach (ICogFrameGrabber item in mFrameGrabbers)
                {
                    string[] bf1 = item.Name.Split(':');
                    string manufacturerName = item.Name;
                    string model = item.Name;
                    CameraType type = CameraType.GIGE;

                    if (bf1.Length == 3)
                    {
                        manufacturerName = bf1[1].Trim();
                        model = bf1[2].Trim();
                        if (bf1[0].ToLower().Trim().Contains("gige"))
                            type = CameraType.GIGE;
                        else if (bf1[0].ToLower().Trim().Contains("usb"))
                            type = CameraType.USB;
                        else
                            type = CameraType.Unknown;
                    }

                    if (type == CameraType.GIGE)
                    {
                        cameras.Add(new CameraInfo
                        {
                            CameraNo = i + 1,
                            CameraName = item.Name,
                            CameraBrand = "康耐视 VisionPro",
                            CameraType = type,
                            ManufacturerName = manufacturerName,
                            Model = model,
                            SerialNumber = item.SerialNumber,
                            CameraIp = item.OwnedGigEAccess.CurrentIPAddress,
                            IsFindByIp = true
                        });
                    }
                    else
                    {
                        cameras.Add(new CameraInfo
                        {
                            CameraNo = i + 1,
                            CameraName = "",
                            CameraBrand = "康耐视 VisionPro",
                            CameraType = type,
                            ManufacturerName = manufacturerName,
                            Model = model,
                            SerialNumber = item.SerialNumber,
                            CameraIp = item.Name
                        });
                    }
                    i++;
                }
            }
            return cameras.ToArray();
        }

        public static (bool isInstalled, string version) CheckSoftwareInstalled()
        {
            string softwareName = "Cognex VisionPro";
            string softwareVersion = "90.0.5";
            string[] registryPaths = {
                @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall",
                @"SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall"
            };

            foreach (var path in registryPaths)
            {
                using (RegistryKey key = Registry.LocalMachine.OpenSubKey(path))
                {
                    if (key == null) continue;
                    foreach (string subKeyName in key.GetSubKeyNames())
                    {
                        using (RegistryKey subKey = key.OpenSubKey(subKeyName))
                        {
                            string displayName = subKey?.GetValue("DisplayName")?.ToString();
                            if (displayName != null && displayName.Contains(softwareName))
                            {
                                string version = subKey.GetValue("DisplayVersion")?.ToString();
                                if (new Version(version) >= new Version(softwareVersion))
                                    return (true, version);
                                return (false, version);
                            }
                        }
                    }
                }
            }
            return (false, "");
        }

        #endregion

        #region SDK 实现

        public override bool OpenDevice()
        {
            IsConnected = false;

            if (!_isHaveCamera || CameraAcq == null)
            {
                using (var mFrameGrabbers = new CogFrameGrabbers())
                {
                    foreach (ICogFrameGrabber item in mFrameGrabbers)
                    {
                        string[] bf1 = item.Name.Split(':');
                        CameraType type = CameraType.GIGE;
                        if (bf1.Length == 3)
                        {
                            if (bf1[0].ToLower().Trim().Contains("gige"))
                                type = CameraType.GIGE;
                            else if (bf1[0].ToLower().Trim().Contains("usb"))
                                type = CameraType.USB;
                            else
                                type = CameraType.Unknown;
                        }

                        bool match = false;
                        if (type == CameraType.GIGE)
                        {
                            if (IsFindByIp)
                                match = CameraIp == item.OwnedGigEAccess.CurrentIPAddress;
                            else
                                match = item.SerialNumber == SerialNumber;
                        }
                        else
                        {
                            match = item.SerialNumber == SerialNumber;
                        }

                        if (match)
                        {
                            var videoFormat = item.AvailableVideoFormats[0];
                            foreach (string format in item.AvailableVideoFormats)
                            {
                                if (format == "Generic GigEVision (Mono)")
                                {
                                    videoFormat = format;
                                    break;
                                }
                                if (format != "Generic GigEVision (Bayer Color)") continue;
                                videoFormat = format;
                                break;
                            }

                            CameraAcq = item.CreateAcqFifo(videoFormat, CogAcqFifoPixelFormatConstants.Format8Grey, 0, true);

                            if (bf1.Length == 3)
                            {
                                ManufacturerName = bf1[1].Trim();
                                ModelName = bf1[2].Trim();
                            }
                            if (type == CameraType.GIGE)
                                CameraIp = item.OwnedGigEAccess.CurrentIPAddress;
                            CameraType = type;
                            _isHaveCamera = true;
                            break;
                        }
                    }
                }
                if (!_isHaveCamera) return false;
            }

            if (!IsConnected) OnConnectChanged(true);
            IsConnected = true;
            return IsConnected;
        }

        public override void CloseDevice()
        {
            IsConnected = false;
        }

        public override GenImage Grab()
        {
            var sw = Stopwatch.StartNew();
            for (int i = 0; i < 5; i++)
            {
                try
                {
                    if (CameraAcq == null) OpenDevice();

                    int trignum;
                    var cogImg = CameraAcq.Acquire(out trignum);
                    Image = GenImageConverter.FromCogImage(cogImg);
                    ImageWidth = (uint)Image.Width;
                    ImageHeight = (uint)Image.Height;
                    TotalTime = sw.Elapsed;
                    ErrorMessage = "";
                    return Image;
                }
                catch (Exception ex)
                {
                    ErrorMessage = ex.Message;
                }
            }
            if (IsConnected)
            {
                IsConnected = false;
                OnConnectChanged(false);
            }
            return null;
        }

        public override bool SetExposureTime(float exposureTime)
        {
            if (CameraAcq == null) return false;
            CameraAcq.OwnedExposureParams.Exposure = (double)exposureTime * 0.001;
            return true;
        }

        public override float GetExposureTime()
        {
            if (CameraAcq == null) return 0;
            return (float)CameraAcq.OwnedExposureParams.Exposure * 1000;
        }

        public override bool SetGain(float gain)
        {
            if (CameraAcq == null) return false;
            CameraAcq.OwnedBrightnessParams.Brightness = (double)gain;
            return true;
        }

        public override float GetGain()
        {
            if (CameraAcq == null) return 0;
            return (float)CameraAcq.OwnedBrightnessParams.Brightness;
        }
        #endregion
    }
}