using HalconDotNet;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using System.Threading;

namespace LB_VisionProcesses.Cameras
{
    public abstract class BaseCamera : ICamera
    {
        protected BaseCamera() { }

        #region Parm
        public string SN { get; set; } = string.Empty;
        public CameraBrand Brand { get; set; } = CameraBrand.UNSUPPORTED;

        public bool isGrabbing = false;

        //public EventHandler<CameraEventArgs> ImageGrabbed = delegate { };

        private EventHandler<CameraEventArgs> _imageGrabbed;
        public EventHandler<CameraEventArgs> ImageGrabbed
        {
            get => _imageGrabbed;
            set
            {
                Debug.WriteLine($"ImageGrabbed 被设置，新值: {value?.Method}");
                Debug.WriteLine($"调用堆栈: {Environment.StackTrace}");
                _imageGrabbed = value;
            }
        }

        protected static Bitmap CallBackImg { get; set; }

        private Dictionary<string, List<Bitmap>> _collectedImages;
        public Dictionary<string, List<Bitmap>> CollectedImages
        {
            get => _collectedImages;
            set
            {
                _collectedImages = value;
            }
        }

        public Bitmap Bitmap;
        #endregion

        #region  operate

        public virtual void Dispose()
        {
            try
            {
                CloseDevice();
            }
            catch { }
        }
        public abstract bool CloseDevice();

        public abstract List<string> GetListEnum();

        public abstract bool InitDevice(string SN, object Handle = null);

        public bool StartWith_SoftTriggerModel()
        {
            SetTriggerMode(TriggerMode.Off, TriggerSource.Software);
            return StartGrabbing();
        }

        public bool StartWith_HardTriggerModel(TriggerSource hardtriggeritem = TriggerSource.Line0)
        {
            if (hardtriggeritem == TriggerSource.Software) hardtriggeritem = TriggerSource.Line0;
            SetTriggerMode(TriggerMode.On, hardtriggeritem);
            return StartGrabbing();
        }

        /// <summary>
        /// 等待硬触发获取图像
        /// </summary>
        /// <param name="bitmap"></param>
        /// <param name="outtime"></param>
        /// <returns></returns>
        public bool GetImage(out Bitmap bitmap, int outtime = 3000)
        {
            bitmap = null;

            try
            {
                // 设置超时时间
                DateTime lastTime = DateTime.Now.AddMilliseconds(outtime);
                // 判断是否超时
                while (lastTime > DateTime.Now)// 设置超时时间为 3 秒
                {
                    if (CallBackImg != null)
                    {
                        lock (CallBackImg)
                        {
                            // 保存旧 Bitmap 并释放
                            bitmap = CallBackImg.Clone() as Bitmap; // 创建副本
                        }

                        // 释放旧资源
                        CallBackImg.Dispose();
                        CallBackImg = null;
                        return true;
                    }
                }

                return false;
            }
            catch { return bitmap == null ? false : true; }
        }

        /// <summary>
        /// 软触发获取图像
        /// </summary>
        /// <param name="bitmap"></param>
        /// <param name="outtime"></param>
        /// <returns></returns>
        public bool GetImageWithSoftTrigger(out Bitmap bitmap, int outtime = 3000)
        {
            if (!isGrabbing)
                StartGrabbing();

            GetTriggerMode(out TriggerMode triggerMode, out TriggerSource triggerSource);

            if (triggerMode != TriggerMode.On && triggerSource != TriggerSource.Software)
                SetTriggerMode(TriggerMode.On, TriggerSource.Software);

            bitmap = null;
            CallBackImg = null;

            if (!SoftTrigger())
                return false;

            // 开始时间
            DateTime startTime = DateTime.Now; // 当前时间

            // 判断是否超时
            while (DateTime.Now < startTime.AddMilliseconds(outtime))// 设置超时时间为 3 秒
            {
                GetImage(out bitmap, 50);
                if (bitmap != null)
                    break;

                Thread.Sleep(10);
            }

            if (triggerMode != TriggerMode.On)
                SetTriggerMode(TriggerMode.On, triggerSource);

            return (bitmap != null);
        }

        /// <summary>
        /// 软触发
        /// </summary>
        /// <returns></returns>
        public abstract bool SoftTrigger();

        public void Bitmap2HObject(Bitmap bmp, out HObject image)
        {
            try
            {
                if (bmp == null)
                {
                    image = null;
                    return;
                }
                BitmapData srcBmpData;
                switch (bmp.PixelFormat)
                {
                    case PixelFormat.Format24bppRgb:
                        srcBmpData = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
                        HOperatorSet.GenImageInterleaved(out image, srcBmpData.Scan0, "bgr", bmp.Width, bmp.Height, 0, "byte", 0, 0, 0, 0, -1, 0);
                        bmp.UnlockBits(srcBmpData);
                        break;
                    default:
                        srcBmpData = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);

                        HOperatorSet.GenImage1(out image, "byte", bmp.Width, bmp.Height, srcBmpData.Scan0);
                        bmp.UnlockBits(srcBmpData);
                        break;
                }
            }
            catch (Exception ex)
            {
                image = null;
            }
        }

        #endregion

        #region SettingConfig
        public void SetCamConfig(CameraConfig config)
        {
            if (Enum.TryParse(config.Params.Inputs["触发模式"].ToString(), out TriggerMode TriggerMode)
                && Enum.TryParse(config.Params.Inputs["触发方式"].ToString(), out TriggerSource TriggerSource)
                && Enum.TryParse(config.Params.Inputs["触发极性"].ToString(), out TriggerPolarity TriggerPolarity)
                )
            {
                SetTriggerMode(TriggerMode, TriggerSource);
                SetTriggerPolarity(TriggerPolarity);
                SetTriggerFliter(Convert.ToDouble(config.Params.Inputs["触发消抖"].ToString()));
                SetTriggerDelay(Convert.ToDouble(config.Params.Inputs["触发延时"].ToString()));
                SetExpouseTime(Convert.ToDouble(config.Params.Inputs["曝光时间"].ToString()));
                SetGain(Convert.ToDouble(config.Params.Inputs["增益"].ToString()));
            }
        }

        public void GetCamConfig(out CameraConfig config)
        {
            GetTriggerMode(out TriggerMode triggerMode, out TriggerSource triggerSource);
            GetTriggerPolarity(out TriggerPolarity triggerPolarity);
            GetTriggerFliter(out double triggerfilter);
            GetTriggerDelay(out double triggerdelay);
            GetExpouseTime(out double expouseTime);
            GetGain(out double gain);

            config = new CameraConfig(null);
            config.Params.Inputs.Add("触发模式", triggerMode);
            config.Params.Inputs.Add("触发方式", triggerSource);
            config.Params.Inputs.Add("触发极性", triggerPolarity);
            config.Params.Inputs.Add("触发消抖", triggerfilter);
            config.Params.Inputs.Add("触发延时", triggerdelay);
            config.Params.Inputs.Add("曝光时间", expouseTime);
            config.Params.Inputs.Add("增益", gain);
        }

        /// <summary>
        /// 设置触发模式及触发源
        /// </summary>
        /// <param name="mode"></param>
        /// <param name="triggerEnum"></param>
        /// <returns></returns>
        public abstract bool SetTriggerMode(TriggerMode mode, TriggerSource triggerEnum = TriggerSource.Line0);

        public abstract bool GetTriggerMode(out TriggerMode mode, out TriggerSource source);

        public abstract bool SetExpouseTime(double value);

        public abstract bool GetExpouseTime(out double value);

        public abstract bool SetTriggerPolarity(TriggerPolarity polarity);

        public abstract bool GetTriggerPolarity(out TriggerPolarity polarity);

        /// <summary>
        /// 设置触发滤波时间 （us）
        /// </summary>
        /// <param name="flitertime"></param>
        /// <returns></returns>
        public abstract bool SetTriggerFliter(double flitertime);

        /// <summary>
        /// 获取触发参数时间 （us）
        /// </summary>
        /// <param name="flitertime"></param>
        /// <returns></returns>
        public abstract bool GetTriggerFliter(out double flitertime);

        public abstract bool SetTriggerDelay(double delay);

        public abstract bool GetTriggerDelay(out double delay);

        public abstract bool SetGain(double gain);

        public abstract bool GetGain(out double gain);

        public abstract bool SetLineMode(IOLines line, LineMode mode);

        public abstract bool SetLineStatus(IOLines line, LineStatus linestatus);

        public abstract bool GetLineStatus(IOLines line, out LineStatus lineStatus);

        public abstract bool AutoBalanceWhite();

        #endregion

        #region  protected abstract
        /// <summary>
        /// 开始采图
        /// </summary>
        /// <returns></returns>
        public abstract bool StartGrabbing();

        /// <summary>
        /// 停止采图
        /// </summary>
        /// <returns></returns>
        public abstract bool StopGrabbing();
        #endregion
    }
}