using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace HL_FristAidPlatform_ReadCard
{
    public class ReadIdCardHelper
    {
        #region DllImport

        [DllImport("sdtapi.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.Winapi)]
        private static extern int InitComm(int iPort);//初始化

        [DllImport("sdtapi.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.Winapi)]

        private static extern int CloseComm();//关闭端口

        [DllImport("sdtapi.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.Winapi)]
        private static extern int Authenticate();//卡认证

        [DllImport("sdtapi.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.Winapi)]
        private static extern int ReadBaseInfos([MarshalAs(UnmanagedType.LPStr)]
                                  StringBuilder Name, [MarshalAs(UnmanagedType.LPStr)]
                                  StringBuilder Gender, [MarshalAs(UnmanagedType.LPStr)]
                                  StringBuilder Folk, [MarshalAs(UnmanagedType.LPStr)]
                                  StringBuilder BirthDay, [MarshalAs(UnmanagedType.LPStr)]
                                  StringBuilder Code, [MarshalAs(UnmanagedType.LPStr)]
                                  StringBuilder Address, [MarshalAs(UnmanagedType.LPStr)]
                                  StringBuilder Agency, [MarshalAs(UnmanagedType.LPStr)]
                                  StringBuilder ExpireStart, [MarshalAs(UnmanagedType.LPStr)]
                                  StringBuilder ExpireEnd);
        [DllImport("sdtapi.dll")]//读取数据，推荐使用
        private static extern int Routon_BeepLED(bool BeepON, bool LEDON, int duration);

        /// <summary>
        /// 获取当前电脑的系统盘符
        /// </summary>
        private static string DiskCharacter = Environment.GetEnvironmentVariable("systemdrive");

        /// <summary>
        /// 系统配置文件总路径
        /// 在登录界面打开时判断是否存在，不存在则创建
        /// </summary>
        private static string SystemProfilePath = DiskCharacter + @"\App\急危重症区域信息管理平台\";
        /// <summary>
        /// 图片路径
        /// </summary>
        private static string _imageDirPath = SystemProfilePath + "CardImg";
        #endregion

        static public int readCard(ref IDCardData idCardMessage)
        {
            if (!Directory.Exists(_imageDirPath))
            {
                Directory.CreateDirectory(_imageDirPath);
            }
            StringBuilder Name = new StringBuilder(31); // 姓名
            StringBuilder Gender = new StringBuilder(3); // 性别
            StringBuilder Folk = new StringBuilder(10); // 民族
            StringBuilder BirthDay = new StringBuilder(9); // 生日
            StringBuilder Code = new StringBuilder(19); // 证件号
            StringBuilder Address = new StringBuilder(71); // 家庭地址
            StringBuilder Agency = new StringBuilder(31); // 签发机关
            StringBuilder ExpireStart = new StringBuilder(9); // 有效期起始日期
            StringBuilder ExpireEnd = new StringBuilder(9); // 有效期截止日期
            //打开端口
            int intOpenRet = InitComm(1001);
            if (intOpenRet != 1)
            {
                Console.WriteLine("阅读机具未连接");
                Routon_BeepLED(false, false, 2000);
                return 1;
            }
            //卡认证
            int intReadRet = Authenticate();
            if (intReadRet != 1)
            {
                Console.WriteLine("卡认证失败");
                Routon_BeepLED(false, false, 2000);
                CloseComm();
                return 2;
            }
            //读卡
            int intReadBaseInfosRet = ReadBaseInfos(Name, Gender, Folk, BirthDay, Code, Address, Agency, ExpireStart, ExpireEnd);
            if (intReadBaseInfosRet != 1)
            {
                Console.WriteLine("读卡失败");
                Routon_BeepLED(false, false, 2000);
                CloseComm();
                return 3;
            }
            idCardMessage = new IDCardData();
            idCardMessage.IDCardNo = Code.ToString().Trim();
            idCardMessage.Name = Name.ToString().Trim();
            idCardMessage.Sex = Gender.ToString().Trim();
            idCardMessage.Nation = Folk.ToString().Trim();
            idCardMessage.Born = BirthDay.ToString().Substring(0, 4) + "/" + BirthDay.ToString().Substring(4, 2) + "/" + BirthDay.ToString().Substring(6, 2);
            idCardMessage.Address = Address.ToString().Trim();
            idCardMessage.GrantDept = Agency.ToString().Trim();
            idCardMessage.UserLifeBegin = ExpireStart.ToString().Trim();
            idCardMessage.UserLifeEnd = ExpireEnd.ToString().Trim();
            Image img = Image.FromFile(Directory.GetCurrentDirectory() + "\\photo.bmp");
            Image bmp = new Bitmap(img);
            img.Dispose();
            idCardMessage.image = bmp;
            File.Delete(Directory.GetCurrentDirectory() + "\\photo.bmp");
            Routon_BeepLED(true, true, 2000);
            CloseComm();
            return 0;
        }
    }
}