using Newtonsoft.Json.Linq;
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Windows.Forms;

namespace ThCardReader
{
    class NationalEcBusiness
    {
        private static SiBusinessAddress address = null;

        [DllImport("user32.dll")]
        private extern static void mouse_event(MouseEventFlag flags, int dx, int dy, uint data, UIntPtr extraInfo);
        [DllImport("user32.dll")]
        private extern static int SetCursorPos(int x, int y);

#if !DISABLE_NATIONEC
        [DllImport("NationECCode.dll", EntryPoint = "NationEcTrans", CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
        private extern static IntPtr NationEcTrans(string url, string pindata, ref byte outinfo);
#endif

        [Flags]
        enum MouseEventFlag : uint
        {
            Move = 0x0001,
            LeftDown = 0x0002,
            LeftUp = 0x0004,
            RightDown = 0x0008,
            RightUp = 0x0010,
            MiddleDown = 0x0020,
            MiddleUp = 0x0040,
            XDown = 0x0080,
            XUp = 0x0100,
            Wheel = 0x0800,
            VirtualDesk = 0x4000,
            Absolute = 0x8000
        }

        public static void SimulateClick()
        {
            int count = 0;
            Process p = Process.GetCurrentProcess();
            IntPtr beginHandle = p.MainWindowHandle;
            while (count < 5 && p.MainWindowHandle == beginHandle)
            {
                count += 1;
                Thread.Sleep(200);
            }
            SetCursorPos(Screen.PrimaryScreen.WorkingArea.Width / 2, Screen.PrimaryScreen.WorkingArea.Height / 2);
            mouse_event(MouseEventFlag.LeftDown, 0, 0, 0, UIntPtr.Zero);
            mouse_event(MouseEventFlag.LeftUp, 0, 0, 0, UIntPtr.Zero);

        }

        public static JObject ReadQrCode(string biztype)
        {
#if DISABLE_NATIONEC
            JObject result = new JObject();
            result.Add("code", 1001);
            result.Add("message", "NationECCode.dll已屏蔽，请使用华视读卡器：http://localhost:8321/readcard/entry?param=huashi_readcard");
            result.Add("device", "NationECCode.dll（已屏蔽）");
            result.Add("suggestion", "请使用华视读卡器测试功能");
            return result;
#else
            if (null == address)
            {
                address = MainForm.address;
            }
            Thread thread = new Thread(SimulateClick);
            thread.Start();
            string pindata = "{\"data\":{\"businessType\":\"" + biztype + "\",\"deviceType\":\"\",\"orgId\":\"" + address.organizationId + 
                "\"},\"orgId\":\"" + address.organizationId + "\",\"transType\":\"ec.query\"}";            
            byte[] outinfo = new byte[4096];

            IntPtr retPtr = NationEcTrans(address.readQrEcTokenUrl, pindata, ref outinfo[0]);
            // IntPtr retPtr = NationEcTrans("https://test_dvs.hun.hsip.gov.cn/localcfc/api/hsecfc/localQrCodeQuery", pindata, ref outinfo[0]);
        

            var businessResultCode = Marshal.PtrToStringAnsi(retPtr).Trim().Replace("\u0000", "");
            string outstr = Encoding.Default.GetString(outinfo).Trim().Replace("\u0000", "");
            ReadCardResult tmp = Newtonsoft.Json.JsonConvert.DeserializeObject<ReadCardResult>(outstr);
            JObject result = new JObject();
            if (tmp.code == 0)
            {
                result.Add("code", 200);
                result.Add("message", "读取医保电子凭证成功。");
                result.Add("type", "qrcode");
                result.Add("data", outstr);
                result.Add("sign", null);                
            }
            else
            {
                result.Add("code", 1001);
                result.Add("message", tmp.message);
            }
            return result;
#endif
        }

        public static JObject ReadIdCard(string biztype)
        {
#if DISABLE_NATIONEC
            JObject result = new JObject();
            result.Add("code", 1001);
            result.Add("message", "NationECCode.dll已屏蔽，请使用华视读卡器：http://localhost:8321/readcard/entry?param=huashi_readcard");
            result.Add("device", "NationECCode.dll（已屏蔽）");
            result.Add("suggestion", "请使用华视读卡器测试功能");
            return result;
#else
            if (null == address)
            {
                address = MainForm.address;
            }
            string pindata = "{\"data\":{\"businessType\":\"" + biztype + "\",\"deviceType\":\"\",\"orgId\":\"" + address.organizationId +
                "\"},\"orgId\":\"" + address.organizationId + "\",\"transType\":\"cn.nhsa.cert.get\"}";
            byte[] outinfo = new byte[4096];
            IntPtr retPtr = NationEcTrans(address.readQrEcTokenUrl, pindata, ref outinfo[0]);
            string businessResultCode = Marshal.PtrToStringAnsi(retPtr).Trim().Replace("\u0000", "");
            string outstr = Encoding.Default.GetString(outinfo).Trim().Replace("\u0000", "");
            ReadCardResult tmp = Newtonsoft.Json.JsonConvert.DeserializeObject<ReadCardResult>(outstr);
            JObject result = new JObject();
            if (tmp.code == 0)
            {
                result.Add("code", 200);
                result.Add("message", "终端读取身份证成功。");
                result.Add("type", "face");
                result.Add("data", outstr);
                result.Add("sign", null);
            }
            else
            {
                result.Add("code", 1001);
                result.Add("message", tmp.message);
            }
            return result;
#endif
        }

        public static JObject ReadQrCode2(string biztype)
        {
#if DISABLE_NATIONEC
            JObject result = new JObject();
            result.Add("code", 1001);
            result.Add("message", "NationECCode.dll已屏蔽，请使用华视读卡器：http://localhost:8321/readcard/entry?param=huashi_readcard");
            result.Add("device", "NationECCode.dll（已屏蔽）");
            result.Add("suggestion", "请使用华视读卡器测试功能");
            return result;
#else
            if (null == address)
            {
                address = MainForm.address;
            }
            string pindata = "{\"data\":{\"businessType\":\"" + biztype + "\",\"deviceType\":\"\",\"orgId\":\"" + address.organizationId +
                "\"},\"orgId\":\"" + address.organizationId + "\",\"transType\":\"cn.nhsa.qrcode.get\"}";
            byte[] outinfo = new byte[4096];
            IntPtr retPtr = NationEcTrans(address.readQrEcTokenUrl, pindata, ref outinfo[0]);
            string businessResultCode = Marshal.PtrToStringAnsi(retPtr).Trim().Replace("\u0000", "");
            string outstr = Encoding.Default.GetString(outinfo).Trim().Replace("\u0000", "");
            ReadCardResult tmp = Newtonsoft.Json.JsonConvert.DeserializeObject<ReadCardResult>(outstr);
            JObject result = new JObject();
            if (tmp.code == 0)
            {
                result.Add("code", 200);
                result.Add("message", "终端读取电子凭证成功。");
                result.Add("type", "face");
                result.Add("data", outstr);
                result.Add("sign", null);
            }
            else
            {
                result.Add("code", 1001);
                result.Add("message", tmp.message);                
            }
            return result;
#endif
        }

        public static JObject ReadFace(string biztype)
        {
#if DISABLE_NATIONEC
            JObject result = new JObject();
            result.Add("code", 1001);
            result.Add("message", "NationECCode.dll已屏蔽，请使用华视读卡器：http://localhost:8321/readcard/entry?param=huashi_readcard");
            result.Add("device", "NationECCode.dll（已屏蔽）");
            result.Add("suggestion", "请使用华视读卡器测试功能");
            return result;
#else
            if (null == address)
            {
                address = MainForm.address;
            }
            string pindata = "{\"data\":{\"businessType\":\"" + biztype + "\",\"deviceType\":\"\",\"orgId\":\"" + address.organizationId +
                "\"},\"orgId\":\"" + address.organizationId + "\",\"transType\":\"cn.nhsa.ec.auth\"}";
            byte[] outinfo = new byte[4096];
            IntPtr retPtr = NationEcTrans(address.readQrEcTokenUrl, pindata, ref outinfo[0]);
            string businessResultCode = Marshal.PtrToStringAnsi(retPtr).Trim().Replace("\u0000", "");
            string outstr = Encoding.Default.GetString(outinfo).Trim().Replace("\u0000", "");
            ReadCardResult tmp = Newtonsoft.Json.JsonConvert.DeserializeObject<ReadCardResult>(outstr);
            JObject result = new JObject();
            if (tmp.code == 0)
            {
                FaceAuthData authData = Newtonsoft.Json.JsonConvert.DeserializeObject<FaceAuthData>(tmp.data.ToString());
                return getUserInfoByAuthNo(biztype, authData.authNo);                            
            }
            else
            {
                result.Add("code", 1001);
                result.Add("message", tmp.message);
                return result;
            }
#endif
        }

        private static JObject getUserInfoByAuthNo(string biztype, string authNo)
        {
#if DISABLE_NATIONEC
            JObject result = new JObject();
            result.Add("code", 1001);
            result.Add("message", "NationECCode.dll已屏蔽");
            return result;
#else
            string pindata = "{\"data\":{\"businessType\":\"" + biztype + "\",\"authNo\":\"" + authNo + "\",\"deviceType\":\"\",\"orgId\":\"" + address.organizationId +
                    "\"},\"orgId\":\"" + address.organizationId + "\",\"transType\":\"cn.nhsa.auth.check\"}";
            byte[] outinfo = new byte[4096];
            IntPtr retPtr = NationEcTrans(address.readQrEcTokenUrl, pindata, ref outinfo[0]);
            string businessResultCode = Marshal.PtrToStringAnsi(retPtr).Trim().Replace("\u0000", "");
            string outstr = Encoding.Default.GetString(outinfo).Trim().Replace("\u0000", "");
            ReadCardResult tmp = Newtonsoft.Json.JsonConvert.DeserializeObject<ReadCardResult>(outstr);
            JObject result = new JObject();
            if (tmp.code == 0)
            {
                result.Add("code", 200);
                result.Add("message", "刷脸获取医保身份成功。");
                result.Add("type", "face");
                result.Add("data", outstr);
                result.Add("sign", null);
            }
            else
            {
                result.Add("code", 1001);
                result.Add("message", tmp.message);
            }
            return result;
#endif
        }
    }
}