using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Runtime.Remoting.Messaging;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using PaintDotNet.Base.CommTool;
using PaintDotNet.Base.SettingModel;
using PaintDotNet.Camera;

namespace PaintDotNet.ImageCollect
{
    public class CameraConfigs
    {
        private string m_filePath = Application.StartupPath + "\\Config\\" + Startup.instance.SettingPrefix + "\\CameraParam\\";

        private static CameraConfigs m_cameraConfig = null;
        private CameraParamModel m_currentCameraParamModel = null;
        private string m_currentConfigFileName = null;

        private CameraConfigs()
        {
            if (!System.IO.Directory.Exists(m_filePath))
            {
                System.IO.Directory.CreateDirectory(m_filePath);//不存在就创建目录
            }
        }

        public static CameraParamModel.ParameterSets Settings
        {
            get
            {
                return GetInstance().m_currentCameraParamModel.parame;
            }
        }
        public static CameraConfigs GetInstance()
        {
            if (m_cameraConfig == null)
            {
                m_cameraConfig = new CameraConfigs();
                try
                {
                    var name = Startup.instance.configModel.CameraConfig;
                    m_cameraConfig.m_currentConfigFileName = name == null ? "CameraParam" : name;
                    m_cameraConfig.m_currentCameraParamModel = m_cameraConfig.GetCameraParamModel(m_cameraConfig.m_currentConfigFileName);
                }
                catch
                {
                    m_cameraConfig.m_currentConfigFileName = "CameraParam";
                    m_cameraConfig.m_currentCameraParamModel = m_cameraConfig.GetCameraParamModel(m_cameraConfig.m_currentConfigFileName);
                }
            }
            return m_cameraConfig;
        }
        public string FilePath
        {
            get
            {
                return this.m_filePath;
            }
        }

        public string CurrentConfigFileName
        {
            get
            {
                return this.m_currentConfigFileName;
            }
        }

        /// <summary>
        /// 获取所有相机配置文件名称
        /// </summary>
        /// <returns></returns>
        public List<string> GetAllConfigFiles()
        {
            List<string> configs = new List<string>();
            DirectoryInfo TheFolder = new DirectoryInfo(m_filePath);

            foreach (FileInfo NextFile in TheFolder.GetFiles())
            {
                configs.Add(NextFile.Name.Replace(".xml", ""));
            }
            return configs;
        }

        public Boolean FileExist(string fileName)
        {
            DirectoryInfo TheFolder = new DirectoryInfo(m_filePath);
            foreach (FileInfo NextFile in TheFolder.GetFiles())
            {
                if (NextFile.Name.ToLower().Equals(fileName.ToLower() + ".xml"))
                {
                    return true;
                }
            }
            return false;
        }

        /// <summary>
        /// 获取配置文件的完整路径
        /// </summary>
        /// <param name="fileName">文件名</param>
        /// <returns></returns>
        public string GetFileFullPath(string fileName)
        {
            string filePath = this.m_filePath;
            if (fileName.ToLower().Contains(".xml"))
            {
                filePath += fileName.ToLower();
            }
            else
            {
                filePath += fileName + ".xml";
            }
            return filePath;
        }

        /// <summary>
        /// 读取配置参数
        /// </summary>
        /// <param name="fileName">配置文件名称</param>
        /// <returns></returns>
        public CameraParamModel GetCameraParamModel(string fileName)
        {
            try
            {
                string filePath = GetFileFullPath(fileName);
                m_currentConfigFileName = fileName;
                m_currentCameraParamModel = XmlSerializeHelper.DESerializer<CameraParamModel>(FileOperationHelper.ReadStringFromFile(filePath, FileMode.Open));
            }
            catch (Exception)
            {
                m_currentCameraParamModel = XmlSerializeHelper.DESerializer<CameraParamModel>(FileOperationHelper.ReadStringFromFile(Application.StartupPath + "\\Config\\" + Startup.instance.SettingPrefix + "\\CameraParam.xml", FileMode.Open));
            }
            return m_currentCameraParamModel;
        }

        public void CameraParamInit()
        {

            ICamera m_camera = CameraManager.CurrentCamera;
            int id = m_camera.ResolutionId;

            // 分辨率
            if (id != m_currentCameraParamModel.parame.Resolution)
            {
                m_camera.ResolutionId = m_currentCameraParamModel.parame.Resolution;
            }
            //相机旋转
            var rotate = m_currentCameraParamModel.parame.Rotate;
            m_camera.Rotate = rotate;

            m_camera.SetROI(m_currentCameraParamModel.parame.previewRectX, m_currentCameraParamModel.parame.previewRectY, m_currentCameraParamModel.parame.previewRectW, m_currentCameraParamModel.parame.previewRectH);

            // 曝光
            int autoExposure = m_currentCameraParamModel.parame.ATExposure;
            if (autoExposure == 1)
            {
                m_camera.AutoExposure = 1;
            }
            else
            {
                m_camera.AutoExposure = 0;
                m_camera.ExposureTime = m_currentCameraParamModel.parame.LNExposure;
            }

            m_camera.Target = m_currentCameraParamModel.parame.Brightness;
            m_camera.Light = m_currentCameraParamModel.parame.Light;

            //白平衡
            int whiteBalance = m_currentCameraParamModel.parame.WhiteBalance;
            if (whiteBalance == 1)
            {
                // 自动白平衡
                m_camera.WhiteBalanceMode = 2;
            }
            else
            {
                // 手动白平衡
                m_camera.WhiteBalanceMode = 0;

                m_camera.RedGain = m_currentCameraParamModel.parame.RedChannel;   //usec
                m_camera.GreenGain = m_currentCameraParamModel.parame.GreenChannel;   //usec
                m_camera.BlueGain = m_currentCameraParamModel.parame.BlueChannel;   //usec

                // 全局增益
                m_camera.Gain = m_currentCameraParamModel.parame.GlobalGain;   //usec
            }

            // 色彩饱和度
            m_camera.Saturation = m_currentCameraParamModel.parame.Saturation;   //usec

            // 相机模式
            int monochromatic = m_currentCameraParamModel.parame.Monochromatic;

            //锐化
            m_camera.Sharpness = m_currentCameraParamModel.parame.Sharpness;

            m_camera.HorizontalMirrored = m_currentCameraParamModel.parame.Horizontal == 1 ^ rotate == 2;
            m_camera.VerticalMirrored = m_currentCameraParamModel.parame.Vertical == 1 ^ rotate == 2;
            m_camera.GrayMode = monochromatic;   //usec
        }

        /// <summary>
        /// 读取
        /// </summary>
        /// <returns></returns>
        public CameraParamModel GetCurrentCameraParamModel()
        {
            return GetCameraParamModel(m_currentConfigFileName);
        }

        public CameraParamModel GetDefaultCameraParamModel()
        {
            return GetCameraParamModel("CameraParam");
        }

        public void SetCameraParamModel(CameraParamModel cameraParam)
        {
            m_currentCameraParamModel = cameraParam;
        }

        /// <summary>
        /// 保存配置文件
        /// </summary>
        /// <param name="stageModelXml"></param>
        /// <param name="fileName"></param>
        public void Save(CameraParamModel cameraParamModel, string fileName)
        {
            string stageModelXml = XmlSerializeHelper.XmlSerialize<CameraParamModel>(cameraParamModel);
            string filePath = GetFileFullPath(fileName);
            FileOperationHelper.WriteStringToFile(stageModelXml, filePath, FileMode.Create);
        }

        /// <summary>
        /// 保存当前配置文件
        /// </summary>
        /// <param name="stageModelXml"></param>
        /// <param name="fileName"></param>
        public void Save()
        {
            Save(m_currentCameraParamModel, m_currentConfigFileName);
        }

        public void SaveAs(string fileName)
        {
            Save(m_currentCameraParamModel, fileName);
        }

        public void Delete(string name)
        {
            string fileFullPath = GetFileFullPath(name);
            System.IO.File.Delete(fileFullPath);
        }

    }
}