using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Ports;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
using static IDViewerDemo.IDViewerDefines;
using static IDViewerDemo.IDViewerSDK;

namespace IDViewerDemo
{
    delegate void IDViewerCallBack(IntPtr device, IntPtr image, IntPtr decodeInfoHandel);
    class Program
    {
        static string filepath = "D:\\text.bmp";

        static void Main(string[] args)
        {
            int option = 0;
            long result = IDViewerSDK.IDVIEWER_Init_();
            while (0 == result)
            {
                ClearScreen();
                Console.WriteLine("0) 退出程序");
                Console.WriteLine("1) 读码器操作");
                if (GetInputOption(ref option) == false) continue;
                switch (option)
                {
                    case 0:
                        return;
                    case 1:
                        MenuIDViewer();
                        break;
                    default:
                        break;
                }

            }
        }

        static void MenuIDViewer()
        {
            int option = 0;
            while (true)
            {
                ClearScreen();
                Console.WriteLine("0) 返回上一级");
                Console.WriteLine("1) 扫描所有读码器");
                Console.WriteLine("2) 通过SN号连接读码器");
                if (GetInputOption(ref option) == false) continue;
                switch (option)
                {
                    case 0:
                        return;
                    case 1:
                        DiscoveryIDViewer();
                        system("pause");
                        break;
                    case 2:
                        DiscoveryIDViewer_SN();
                        system("pause");
                        break;
                    default:
                        break;
                }
            }
        }

  

        static void DiscoveryIDViewer()
        {
            IntPtr deviceList = IDVIEWER_DiscoveryDevices_();
            long length = IDVIEWER_GetDevicesLength_(deviceList);
            Console.WriteLine("获取到读码器个数为：" + length);
            IDDeviceInfo info = new IDDeviceInfo();
            for (uint i = 0; i < length; i++)
            {
                long Inforesult = IDVIEWER_SelectIDDeviceInfo_(deviceList, ref info, i);
                //Console.WriteLine(Inforesult);
                Console.WriteLine("*******************************************");
                if (i >= 0) Console.WriteLine("index：" + i);
                Console.WriteLine("networkIP：" + new string(info.networkIP));
                Console.WriteLine("networkMask：" + new string(info.networkMask));
                Console.WriteLine("networkGateway：" + new string(info.networkGateway));
                Console.WriteLine("cameraIP：" + new string(info.cameraIP));
                Console.WriteLine("cameraSN：" + new string(info.cameraSN));
                Console.WriteLine("cameraType：" + new string(info.cameraType));
            }
        }


        static void DiscoveryIDViewer_SN()
        {
            IntPtr device = IntPtr.Zero;
            IDDeviceInfo info = new IDDeviceInfo();
            Console.WriteLine("请输入SN号");
           String serialNum = Console.ReadLine();
            long result =  IDVIEWER_CreateDeviceBySN_(serialNum, ref device);

            if (device != IntPtr.Zero)
            {
                int option = 0;

                while (true)
                {
                    ClearScreen();
                    Console.WriteLine("0) 返回上一级");
                    Console.WriteLine("1) 打开");
                    Console.WriteLine("2) 运行");
                    Console.WriteLine("3) 连接状态");
                    Console.WriteLine("4) 关闭");
                    if (GetInputOption(ref option) == false) continue;

                    if (option == 0)
                    {
                        return;
                    }

                    if (option < 1 || option > 10)
                    {
                        continue;
                    }

                    switch (option)
                    {
                        case 1:
                            IDDevice_Open(device);
                            break;
                        case 2:
                            Device_StartRunning(device);
                            break;
                        case 3:
                            Device_IsOpen(device);
                            break;
                        case 4:
                            IDDevice_Close(device);
                            break;
                        default:
                            break;
                    }
                    system("pause");
                }
            }
        }


        static IDViewerCallBack callbackDelegate;
        static IDDecodeInfo decodeInfo;
        
        public static void CallBack(IntPtr device, IntPtr image, IntPtr decodeInfoHandel)
        {
            IDDecodeInfo info = new IDDecodeInfo();                         
            IDCallback_GetIDDecodeInfo_A(decodeInfoHandel, ref info);       //ROI解码信息数组的长度 获取到ROI的解码数量

            if (info.decodeStatus)                                         
            {
                for (uint roi = 0; roi < info.IDDecodeROIInfoLength; roi++)
                {
                    IDDecodeROIInfo IDpecodeROIInfo = IDCallback_GetIDDecodeROIInfo(decodeInfoHandel, 0);    
                    if (IDpecodeROIInfo.decodeReusltLength > 0)
                    {
                        IDDecodeResult IDpecodeResult = IDCallback_GetIDDecodeResult(decodeInfoHandel, roi, 0);

                        if (IDpecodeResult.dmResultsLength != 0)
                        {
                            for (uint dmSuccessNumber = 0; dmSuccessNumber < IDpecodeResult.dmResultsLength; dmSuccessNumber++)
                            {
                                IDDMCodeResult DMBarCodeResultData = new IDDMCodeResult();
                                long a = IDCallback_GetIDDMCodeResult(decodeInfoHandel, roi, 0, dmSuccessNumber, ref DMBarCodeResultData);
                                Console.WriteLine("ROI：" + (roi + 1));
                                Console.WriteLine("SuccessNumber：" + (dmSuccessNumber + 1));
                                Console.WriteLine("subType：" + new string(DMBarCodeResultData.subType));
                                Console.WriteLine("codeString: " + new string(DMBarCodeResultData.codeString));
                            }
                        }
                        else if (IDpecodeResult.qrResultsLength != 0)
                        {
                            for (uint qrSuccessNumber = 0; qrSuccessNumber < IDpecodeResult.qrResultsLength; qrSuccessNumber++)
                            {
                                IDQRCodeResult QRBarCodeResultData = new IDQRCodeResult();
                                long a = IDCallback_GetID_QR_CODE_Result(decodeInfoHandel, roi, 0, qrSuccessNumber, ref QRBarCodeResultData);
                                Console.WriteLine("ROI：" + (roi + 1));
                                Console.WriteLine("SuccessNumber：" + (qrSuccessNumber + 1));
                                Console.WriteLine("subType：" + new string(QRBarCodeResultData.subType));
                                Console.WriteLine("codeString: " + new string(QRBarCodeResultData.codeString));
                            }
                        }
                        else if (IDpecodeResult.pdf417ResultsLength != 0)
                        {
                            for (uint pdf417SuccessNumber = 0; pdf417SuccessNumber < IDpecodeResult.qrResultsLength; pdf417SuccessNumber++)
                            {
                                IDPDF417CodeResult PDF417BarCodeResultData = new IDPDF417CodeResult();
                                long a = IDCallback_GetIDPDF417CodeResult(decodeInfoHandel, roi, 0, pdf417SuccessNumber, ref PDF417BarCodeResultData);
                                Console.WriteLine("ROI：" + (roi + 1));
                                Console.WriteLine("SuccessNumber：" + (pdf417SuccessNumber + 1));
                                Console.WriteLine("subType：" + new string(PDF417BarCodeResultData.subType));
                                Console.WriteLine("codeString: " + new string(PDF417BarCodeResultData.codeString));
                            }
                        }
                        else if (IDpecodeResult.barcodeResultsLength != 0)
                        {
                            for (uint barcodeSuccessNumber = 0; barcodeSuccessNumber < IDpecodeResult.qrResultsLength; barcodeSuccessNumber++)
                            {
                                IDBarCodeResult IDBarCodeResultData = new IDBarCodeResult();
                                long a = IDCallback_GetIDBarCodeResult(decodeInfoHandel, roi, 0, barcodeSuccessNumber, ref IDBarCodeResultData);
                                Console.WriteLine("ROI：" + (roi + 1));
                                Console.WriteLine("SuccessNumber：" + (barcodeSuccessNumber + 1));
                                Console.WriteLine("codeString: " + new string(IDBarCodeResultData.codeString));
                            }
                        }
                    }
                }
            }
        }

        static void Device_StartRunning(IntPtr device)
        {

            IDDevice_StartRunning(device,1);
            callbackDelegate = new IDViewerCallBack(CallBack);
            IntPtr functionPointer = Marshal.GetFunctionPointerForDelegate(callbackDelegate);
            IDCallback_ResultNotify_(device, functionPointer);
            GC.KeepAlive(callbackDelegate);
        }
        static void Device_IsOpen(IntPtr device)
        { 
            long rel = IDDevice_IsOpen(device);
            if (rel == 0)
            {
                Console.WriteLine("读码器未打开");
            }
            else
            {
                Console.WriteLine("读码器已打开");
            }
        }

        static bool GetInputOption(ref int option)
        {
            int op;
            try
            {
                op = int.Parse(Console.ReadLine());
            }
            catch
            {
                return false;
            }
            option = op;
            return true;
        }
        static void ClearScreen()
        {
            system("cls");
            Console.WriteLine("*******************************************");
            Console.WriteLine("*              IDViewer Demo              *");
            Console.WriteLine("*******************************************");
        }

        [DllImport("msvcrt.dll", SetLastError = false, CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
        private extern static void system(string command);
    }
}