using CodeLibrary; 
using OnlineStore.Common;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Runtime.ExceptionServices;
using System.Text;
using System.Windows.Forms;

namespace OnlineStore.DeviceLibrary
{
    public class CodeManager
    {

        public static List<string> cameraNameList = new List<string>();
        public static List<string> codeTypeList = new List<string>();

        public static List<string> balserNameList = new List<string>();
        public static List<string> hikNameList = new List<string>();

        private static char spiltChar = '#';
        /// <summary>
        /// 初始化摄像机名称和二维码类型
        /// </summary>
        /// <param name="nameStr">摄像机名称，多个用#分割</param>
        /// <param name="codeStr">二维码类型，多个用#分割</param>
        public static void LoadConfig(string nameStr, string codeStr)
        {
            cameraNameList = new List<string>();
            codeTypeList = new List<string>();
            HDLogUtil.LogName = "RollingLogFileAppender";
            try
            {
                string[] nameArray = nameStr.Split(spiltChar);
                foreach (string str in nameArray)
                {
                    LogUtil.info("加载到配置摄像机名称：" + str.Trim());
                    cameraNameList.Add(str.Trim());
                }
                string[] codeArray = codeStr.Split(spiltChar);
                foreach (string str in codeArray)
                {
                    LogUtil.info("加载到配置二维码类型：" + str.Trim());
                    codeTypeList.Add(str.Trim());
                }

                LoadCamera(false);
                CodeLibrary.HDCodeLearnHelper.LoadConfig(nameStr, codeStr);

            }
            catch (Exception ex)
            {
                LogUtil.error("解析摄像机配置出错：" + ex.ToString());
            }
        }
        private static void LoadCamera(bool isReLoad)
        {
            if (isReLoad)
            {
                CodeLibrary.HIKCamera.Instance.Load();
                CodeLibrary.BaslerCamera.Instance.Load();
            }
            string[] names = CodeLibrary.HIKCamera.Instance.CameraName;
            hikNameList.AddRange(names);
            names = CodeLibrary.BaslerCamera.Instance.CameraName;
            balserNameList.AddRange(names);
            foreach (string name in hikNameList)
            {
                LogUtil.info("加载到HIK相机：" + name);
            }
            foreach (string name in balserNameList)
            {
                LogUtil.info("加载到Balser相机：" + name);
            }
        }
        public static void CloseCamera()
        {
            BaslerCamera.Instance.Close();
            HIKCamera.Instance.Close();
        }

        public static Bitmap GetCamerImage(string cameraName)
        {
            Bitmap bitm = null;
            try
            {
                if (balserNameList.Contains(cameraName))
                {
                    bool result = BaslerCamera.Instance.IsOpen;
                    if (!result)
                    {
                        result = BaslerCamera.Instance.Open(cameraName);
                        LogUtil.info("打开相机：" + cameraName + "(" + result + ")");
                    }
                    if (result)
                    {
                        BaslerCamera.Instance.GrabOne();
                        bitm = BaslerCamera.Instance.Image;
                        //BaslerCamera.Instance.Close();
                    }
                    else
                    {
                        LogUtil.error("相机【" + cameraName + "】打开失败：" + BaslerCamera.Instance.ErrInfo);
                    }
                }
                else if (hikNameList.Contains(cameraName))
                {
                    bool result = HIKCamera.Instance.IsOpen;
                    if (!result)
                    {
                        result = HIKCamera.Instance.Open(cameraName);
                        LogUtil.info("打开相机：" + cameraName + "(" + result + ")");
                    }
                    if (result)
                    {
                        HIKCamera.Instance.GrabOne();
                        bitm = HIKCamera.Instance.Image;
                        //HIKCamera.Instance.Close();
                    }
                    else
                    {
                        LogUtil.error("相机【" + cameraName + "】打开失败：" + HIKCamera.Instance.ErrInfo);
                    }
                }
                else
                {
                    LogUtil.info("未找到相机【" + cameraName + "】无法获取图片");
                    //若未加载到相机，需要重新加载相机
                    if (balserNameList.Count <= 0 && hikNameList.Count <= 0)
                    {
                        LogUtil.error("获取图片时发现未加载到相机，重新加载相机");
                        LoadCamera(true);
                    }
                }
            }
            catch (Exception ex)
            {
                LogUtil.error("从相机【" + cameraName + "】获取图片出错：" + ex.ToString());
            }
            return bitm;
        }

        [HandleProcessCorruptedStateExceptions]
        public static List<string> CameraScan()
        {
            List<string> codeList = new List<string>();
            //List<CodeInfo> allCodeList = new List<CodeInfo>();

            try
            {
                foreach (string cameraName in cameraNameList)
                {
                    using (Bitmap bitmap = GetCamerImage(cameraName))
                    {
                        if (bitmap == null)
                        {
                            LogUtil.error(" 摄像机【" + cameraName + "】获取图片失败，关闭相机");
                            CloseCamera();
                            continue;
                        }

                        LogUtil.debug(" 摄像机【" + cameraName + "】获取图片完成");
                        System.Threading.Thread.Sleep(1);
                        HalconDotNet.HObject ho_Image = HDCodeHelper.Bitmap2HObjectBpp24(bitmap);
                        LogUtil.debug(" 摄像机【" + cameraName + "】转换图片完成，开始扫码");
                        List<CodeInfo> cc = new List<CodeInfo>();
                        foreach (string codeType in codeTypeList)
                        {
                            //判断是否是一维码
                            if (codeType.ToLower().Equals("barcode"))
                            {
                                cc = HDCodeHelper.DecodeBarCode(ho_Image);
                            }
                            else
                            {
                                cc = HDCodeHelper.DecodeCode(ho_Image, 1, GetCodeParamFilePath(codeType), codeType);
                            }
                            if (cc.Count > 0)
                            {
                                string r = "";
                                foreach (CodeInfo c in cc)
                                {
                                    codeList.Add(c.CodeStr);
                                    r = r + "##" + c.CodeStr;
                                }
                                LogUtil.debug(" 【" + cameraName + "】【" + codeType + "】扫码完成："+r);
                            }
                        } 
                    }
                }
            }
            catch (AccessViolationException e)
            {
                LogUtil.error("扫码出现AccessViolationException异常：" + e.ToString());
                GC.Collect();
            }
            catch (Exception ex)
            {
                LogUtil.error("扫码出错：" + ex.ToString());
            } 
            return codeList;
        }


        public static string GetCodeParamFilePath(string codePath)
        {
            string appPath = Application.StartupPath;
            string path = appPath + ConfigAppSettings.GetValue(Setting_Init.CodeParamPath);
            string filePath = path + codePath + ".dcm";
            if (File.Exists(filePath))
            {
                return filePath;
            }
            else
            {
                return "";
            }
        }

    }
}