using libzkfpcsharp;
using Lskj.Core;
using Lskj.Model;
using System;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Windows.Media.Imaging;

namespace Lskj.Control.ZKFinger
{
    public class FingerHelper
    {
        public bool IsInit = false;
        public bool IsOpen = false;
        public int DeviceCount = 0;
        public IntPtr mDevHandle = IntPtr.Zero;
        public IntPtr mDBHandle = IntPtr.Zero;
        public IntPtr FormHandle = IntPtr.Zero;
        public bool bIsTimeToDie = false;
        public bool IsRegister = false;
        public bool bIdentify = true;
        public byte[] FPBuffer;
        public int RegisterCount = 0;
        public const int REGISTER_FINGER_COUNT = 3;
        public byte[][] RegTmps = new byte[3][];
        public byte[] RegTmp = new byte[2048];
        public byte[] CapTmp = new byte[2048];
        public int cbCapTmp = 2048;
        public int cbRegTmp = 0;
        public int iFid = 1;

        public int mfpWidth = 0;
        public int mfpHeight = 0;
        public FingerHelper()
        {
            if (!IsInit)
            {
                InitFinger();
            }
            if (IsInit && !IsOpen)
            {
                OpenFinger();
            }
        }
        /// <summary>
        /// 初始化识别器
        /// </summary>
        /// <returns></returns>
        public bool InitFinger()
        {
            try
            {
                int ret = zkfperrdef.ZKFP_ERR_OK;
                if ((ret = zkfp2.Init()) == zkfperrdef.ZKFP_ERR_OK)
                {
                    DeviceCount = zkfp2.GetDeviceCount();
                    if (DeviceCount > 0)
                    {
                        IsInit = true;
                    }
                    else
                    {
                        zkfp2.Terminate();
                    }
                }
            }
            catch (Exception)
            {
            }
            return IsInit;
        }
        /// <summary>
        /// 打开识别器
        /// </summary>
        /// <returns></returns>
        public bool OpenFinger()
        {
            try
            {
                int ret = zkfp.ZKFP_ERR_OK;
                if (IntPtr.Zero == (mDevHandle = zkfp2.OpenDevice(DeviceCount - 1)))
                {
                    return IsOpen;
                }
                if (IntPtr.Zero == (mDBHandle = zkfp2.DBInit()))
                {
                    zkfp2.CloseDevice(mDevHandle);
                    mDevHandle = IntPtr.Zero;
                    return IsOpen;
                }
                RegisterCount = 0;
                cbRegTmp = 0;
                iFid = 1;
                for (int i = 0; i < 3; i++)
                {
                    RegTmps[i] = new byte[2048];
                }
                byte[] paramValue = new byte[4];
                int size = 4;
                zkfp2.GetParameters(mDevHandle, 1, paramValue, ref size);
                zkfp2.ByteArray2Int(paramValue, ref mfpWidth);

                size = 4;
                zkfp2.GetParameters(mDevHandle, 2, paramValue, ref size);
                zkfp2.ByteArray2Int(paramValue, ref mfpHeight);

                FPBuffer = new byte[mfpWidth * mfpHeight];
                IsOpen = true;
            }
            catch (Exception)
            {
            }
            return IsOpen;
        }
        public void Close()
        {
            try
            {
                IsInit = false;
                IsOpen = false;
                RegisterCount = 0;
                Thread.Sleep(1000);
                zkfp2.CloseDevice(mDevHandle);
            }
            catch (Exception)
            {
            }
        }
        public static void FreeSensor()
        {
            try
            {
                zkfp2.Terminate();
                //cbRegTmp = 0;
            }
            catch (Exception)
            {
            }
        }
        public string Compare()
        {
            string employeeid = "";
            try
            {
                string selectSql = string.Format("select EmployeeId,FingerBuffer from P_EmployeeTab where FingerBuffer is not null", ERPInfo.Instance.UserId);
                DataTable bufferDataTab = SqlHelper.ExecuteDataTable(selectSql);
                if (bufferDataTab == null && bufferDataTab.Rows.Count == 0)
                {
                    return employeeid;
                }
                else
                {
                    foreach (DataRow row in bufferDataTab.Rows)
                    {
                        byte[] q_Finger = (byte[])row["FingerBuffer"];
                        int ret = zkfp2.DBMatch(mDBHandle, CapTmp, q_Finger);
                        if (0 < ret)
                        {
                            employeeid = row["EmployeeId"] + "";
                            break;
                        }
                    }
                }
            }
            catch (Exception)
            {
            }
            return employeeid;
        }
    }
}