using POSV.Proxy.Common;
using POSV.Proxy.Tool;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;

namespace POSV.Proxy.MIS
{

    public class SoftPosPay
    {
        InIHelper _ini = null;


        [DllImport("softpos.dll")]
        private static extern int CreditTrans(byte[] strin, byte[] strout);

        public SoftPosPay()
        {
            _ini = new InIHelper(System.AppDomain.CurrentDomain.BaseDirectory + "\\trans.ini");
        }

        /// <summary>
        /// 修改连接地址、端口
        /// </summary>
        /// <returns></returns>
        public ReturnInfo<bool> SetTransIniIp(string _ip, string _port)
        {
            ReturnInfo<bool> returnInfo = new ReturnInfo<bool>();
            try
            {
                //服务器地址
                _ini.WriteContentValue("PARAMETER ASSIGN", "IP_ADDRESS", _ip);

                //服务器端口
                _ini.WriteContentValue("PARAMETER ASSIGN", "IP_PORT", _port);

                //通讯方式 NO_NET 为脱机测试模式 TCPIP 为网络模式
                _ini.WriteContentValue("PARAMETER ASSIGN", "NET_MODE", "NO_NET");

                returnInfo.Code = ReturnState.Succeed;

                return returnInfo;
            }
            catch (Exception ex)
            {
                returnInfo.ErrorMessage = ex.Message;
                return returnInfo;
            }
        }

        public ReturnInfo<string[]> GetransIniIp()
        {
            ReturnInfo<string[]> returnInfo = new ReturnInfo<string[]>();
            try
            {
                string[] ip_port = new string[2];

                //服务器地址
                ip_port[0] = _ini.ReadContentValue("PARAMETER ASSIGN", "IP_ADDRESS");

                //服务器端口 
                ip_port[1] = _ini.ReadContentValue("PARAMETER ASSIGN", "IP_PORT"); 

                returnInfo.Code = ReturnState.Succeed;
                returnInfo.Data = ip_port;
                return returnInfo;
            }
            catch (Exception ex)
            {
                returnInfo.ErrorMessage = ex.Message;
                return returnInfo;
            }
        }


        /// <summary>
        /// 发起支付
        /// </summary>
        public ReturnInfo<ReturnData> InitiateConsumption(RequestData _request)
        {
            ReturnInfo<ReturnData> returnInfo = new ReturnInfo<ReturnData>();
            try
            {
                var _strin = Encoding.ASCII.GetBytes(_request.ToRequestString());
                var _strout = new byte[1024];

                CreditTrans(_strin, _strout);

                ReturnData _data = new ReturnData();

                _data.Data = Encoding.ASCII.GetString(_strout);
                _data.InitializeData();

                if (_data.Code.Equals("00"))
                {
                    returnInfo.Code = ReturnState.Succeed;
                }
                else
                {
                    returnInfo.Code = ReturnState.Failed;
                }

                returnInfo.Data = _data;
                

                return returnInfo;
            }
            catch (Exception ex)
            {
                returnInfo.ErrorMessage = ex.Message;
                return returnInfo;
            }
        }


    }

    /// <summary>
    /// 请求支付参数
    /// </summary>
    public class RequestData
    {
        private string _PosNo = "";
        private string _OperatorNo = "";
        private string _ContentType = "";
        private string _PayAmount = "";
        private string _payType = "";
        private string _Outtrading = "";

        /// <summary>
        /// POS号
        /// </summary>
        public string PosNo
        {
            get => _PosNo;
            set => _PosNo = value;
        }

        /// <summary>
        /// 操作员
        /// </summary>
        public string OperatorNo
        {
            get => _OperatorNo;
            set => _OperatorNo = value;
        }

        /// <summary>
        /// 交易类型标志  ‘
        /// 为 C，表示是正数（ 消费交易）；
        /// 为 I，表示是正数（ 查询余额交易）；
        /// 为 D，表示是负数（ 取消交易）；
        /// 为 R，表示是负数（ 退货交易）；
        /// 为 0[零]，表示（ 结帐、交易一览和重打票据），
        /// 将出现菜单界面选择类型，如 I 接口不做，也可在此实现。
        /// </summary>
        public string ContentType
        {
            get => _ContentType;
            set => _ContentType = value;
        }

        /// <summary>
        /// 总金额 
        /// </summary>
        public string PayAmount
        {
            get => _PayAmount;
            set => _PayAmount = value;
        }

        /// <summary>
        /// 支付方式 
        /// 001 选择用卡 (记账类型:银行卡)
        /// 002 选择银联二维码扫码(记账类型:银行卡)
        /// 003 选择支付宝扫码(记账类型:支付宝)
        /// 004 选择微信扫码(记账类型:微信)
        /// </summary>
        public string PayType
        {
            get => _payType;
            set => _payType = value;
        }

        /// <summary>
        /// 原交易要素
        /// </summary>
        public string Outtrading
        {
            get => _Outtrading;
            set => _Outtrading = value;
        }

        /// <summary>
        /// 请求逻辑，有疑问请查阅文档
        /// </summary>
        /// <returns></returns>
        public string ToRequestString()
        {
            string _str = "";
            _str += _PosNo.PadRight(10, ' ');
            _str += _OperatorNo.PadRight(10, ' ');
            _str += _ContentType;
            _str += _PayAmount.PadLeft(12, '0');
            _str += _payType;
            _str += _Outtrading.PadRight(96,' ');
          
            
            return _str;
        }
    }

    /// <summary>
    /// 返回数据
    /// </summary>
    public class ReturnData
    {
        private string _Data;

        private string _Code = "";
        private string _CardNo = "";
        private string _ContentType = "";
        private string _PayAmount = "";
        private string _SerialCode = "";
        private string _BankbkNo = "";
        private string _ReferenceNo = "";
        private string _AuthorizationCode = "";
        private string _BatchNo = "";
        private string _TerminalNo = "";
        private string _TenantNo = "";
        private string _PayDate = "";
        private string _PayTime = "";
        private string _PayCatdNo = "";
        private string _TradeNo = "";
        private string _ActualPayAmount = "";
        private string _Discounts = "";
        private string _Outtrading = "";

        /// <summary>
        /// 响应码
        /// </summary>
        public string Code { get => _Code; }

        /// <summary>
        /// 卡号
        /// </summary>
        public string CardNo { get => _CardNo; }

        /// <summary>
        /// 交易类型标志
        /// </summary>
        public string ContentType { get => _ContentType; }

        /// <summary>
        /// 总金额
        /// </summary>
        public string PayAmount { get => _PayAmount; }

        /// <summary>
        /// 交易流水号
        /// </summary>
        public string SerialCode { get => _SerialCode; }

        /// <summary>
        /// 发卡行号
        /// </summary>
        public string BankbkNo { get => _BankbkNo; }

        /// <summary>
        /// 参考号
        /// </summary>
        public string ReferenceNo { get => _ReferenceNo; }

        /// <summary>
        /// 授权码
        /// </summary>
        public string AuthorizationCode { get => _AuthorizationCode; }

        /// <summary>
        /// 批次号
        /// </summary>
        public string BatchNo { get => _BatchNo; }

        /// <summary>
        /// 终端号
        /// </summary>
        public string TerminalNo { get => _TerminalNo; }

        /// <summary>
        /// 商户号 
        /// </summary>
        public string TenantNo { get => _TenantNo; }

        /// <summary>
        /// 交易日期 
        /// </summary>
        public string PayDate { get => _PayDate; }

        /// <summary>
        /// 交易时间
        /// </summary>
        public string PayTime { get => _PayTime; }

        /// <summary>
        /// 借贷记卡标识
        /// </summary>
        public string PayCatdNo { get => _PayCatdNo; }

        /// <summary>
        /// 渠道订单号
        /// </summary>
        public string TradeNo { get => _TradeNo; }

        /// <summary>
        /// 实际支付金额 
        /// </summary>
        public string ActualPayAmount { get => _ActualPayAmount; }

        /// <summary>
        /// 优惠金额 
        /// </summary>
        public string Discounts { get => _Discounts; }

        /// <summary>
        /// 交易要素
        /// </summary>
        public string Outtrading { get => _Outtrading; }

        public string Data
        {
            get
            {
                return this._Data;
            }
            set
            {
                this._Data = value;

            }
        }
        /// <summary>
        /// 根据文档解析数据
        /// </summary>
        public void InitializeData()
        {
            var _len = 0;
            this._Code = this._Data.Substring(_len , 2).Trim();
            _len = _len + 2;
            this._CardNo = this.Data.Substring(_len, 19).Trim();
            _len = _len + 19;
            this._ContentType = this.Data.Substring(_len, 1).Trim();
            _len = _len + 1;
            this._PayAmount = this.Data.Substring(_len, 12).Trim();
            _len = _len + 12;
            this._SerialCode = this.Data.Substring(_len, 6).Trim();
            _len = _len + 6;
            this._BankbkNo = this.Data.Substring(_len, 3).Trim();
            _len = _len + 3;
            this._ReferenceNo = this.Data.Substring(_len, 12).Trim();
            _len = _len + 12;
            this._AuthorizationCode = this.Data.Substring(_len, 6).Trim();
            _len = _len + 6;
            this._BatchNo = this.Data.Substring(_len, 6).Trim();
            _len = _len + 6;
            this._TerminalNo = this.Data.Substring(_len, 8).Trim();
            _len = _len + 8;
            this._TenantNo = this.Data.Substring(_len, 15).Trim();
            _len = _len + 15;
            this._PayDate = this.Data.Substring(_len, 4).Trim();
            _len = _len + 4;
            this._PayTime = this.Data.Substring(_len, 6).Trim();
            _len = _len + 6;
            this._PayCatdNo = this.Data.Substring(_len, 3).Trim();
            _len = _len + 3;
            this._TradeNo = this.Data.Substring(_len, 64).Trim();
            _len = _len + 64;
            this._ActualPayAmount = this.Data.Substring(_len, 12).Trim();
            _len = _len + 12;
            this._Discounts = this.Data.Substring(_len, 12).Trim();
            _len = _len + 12;
            this._Outtrading = this.Data.Substring(_len, 96).Trim();
        }
    }
}