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

namespace LanTian_Pump_664_Or_886.MessageEntity.Outgoing
{
    public class PresetAmountRequest : MessageBase
    {
        public PresetAmountRequest(int amountWithoutDecimalPoint, byte amountFieldLength)
        {
            if (amountFieldLength != 3 && amountFieldLength != 4)
                throw new ArgumentException("预置字段长度应为 3 or 4");
            if (amountFieldLength == 3
                && (amountWithoutDecimalPoint > 999999 || amountWithoutDecimalPoint <= 0))
                throw new ArgumentException("664机型预置金额区为3字节, so should range from 0 to 999999");
            if (amountFieldLength == 4
                && (amountWithoutDecimalPoint > 99999999 || amountWithoutDecimalPoint <= 0))
                throw new ArgumentException("886机型预置金额区为4字节, so should range from 0 to 99999999");
            this.BodyAndXRL = amountWithoutDecimalPoint.GetBCDBytes(amountFieldLength).ToList();
            // cmd byte
            this.BodyAndXRL.Add(0xB5);
            // add a place hold for XRL
            this.BodyAndXRL.Add(0);
        }
    }
}