using Edge.Core.Parser.BinaryParser.Util;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ShellChina_EPS_Project_CarPlatePay_EpsClient_App.MessageEntity.Outgoing
{
    public class PaymentRequest : PaymentCommand
    {
        /// <summary>
        /// 
        /// </summary>
        /// <param name="amount">like 24.45 表示24.45元</param>
        /// <param name="epsSequenceNo"></param>
        /// <param name="siteLevelNozzleId"></param>
        /// <param name="membershipId"></param>
        /// <param name="carPlateNo">leave it to null if not specified.</param>
        /// <param name="terminalId"></param>
        public PaymentRequest(decimal amount, string epsSequenceNo, int siteLevelNozzleId, string membershipId, string carPlateNo, string terminalId)
        {
            base.P_3_处理码 = 020032;
            base.P_4_交易金额 = amount;
            base.P_12_交易流水号 = epsSequenceNo;
            base.P_23_加油枪号 = siteLevelNozzleId.ToString().PadLeft(2, '0');
            base.P_24_会员ID = membershipId;
            if (!string.IsNullOrEmpty(carPlateNo))
                base.P_34_车牌号码 = carPlateNo;
            base.P_41_终端编号 = terminalId;
            this.GenerateBitMapAndValue();
        }

        private void GenerateBitMapAndValue()
        {
            base.Content?.Clear();
            base.Content = new List<byte>()
                .Concat(base.P_3_处理码.GetBCDBytes(3))
                .Concat(((int)(base.P_4_交易金额 * 100)).GetBCDBytes(6))
                .Concat(Encoding.ASCII.GetBytes(base.P_12_交易流水号.PadRight(9, '\0')))
                .Concat(Encoding.ASCII.GetBytes(base.P_23_加油枪号.PadLeft(2, '0')))
                .Concat(Encoding.ASCII.GetBytes(base.P_24_会员ID.PadRight(20, '\0')))
                .Concat(!string.IsNullOrEmpty(base.P_34_车牌号码) ?
                    (Encoding.GetEncoding("GBK").GetBytes(base.P_34_车牌号码).Length.GetBCDBytes(2).Concat(Encoding.GetEncoding("GBK").GetBytes(base.P_34_车牌号码)))
                    : (new byte[] { }))
                .Concat(Encoding.ASCII.GetBytes(base.P_41_终端编号.PadLeft(12, '0'))).ToList();
            //var fullMsgLen = base.Content.Count + 16;
            if (!string.IsNullOrEmpty(base.P_34_车牌号码))
                base.BitMap = BitMapHelper.CreateMap(3, 4, 12, 23, 24, 34, 41).ToList();
            else
                base.BitMap = BitMapHelper.CreateMap(3, 4, 12, 23, 24, 41).ToList();
        }
    }
}