using Edge.Core.Parser.BinaryParser.Attributes;
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 ChangePriceRequest : MessageBase
    {
        /// <summary>
        /// 
        /// </summary>
        /// <param name="newPriceWithoutDecimalPoint">664机型单价区为2字节</param>
        /// <param name="priceFieldLength">2 or 3</param>
        public ChangePriceRequest(int newPriceWithoutDecimalPoint, byte priceFieldLength)
        {
            if (priceFieldLength != 2 && priceFieldLength != 3)
                throw new ArgumentException("单价字段长度应为 2 or 3");
            if (priceFieldLength == 2
                && (newPriceWithoutDecimalPoint > 9999 || newPriceWithoutDecimalPoint <= 0))
                throw new ArgumentException("664机型单价区为2字节, so should range from 0 to 9999");
            if (priceFieldLength == 3
                && (newPriceWithoutDecimalPoint > 999999 || newPriceWithoutDecimalPoint <= 0))
                throw new ArgumentException("886机型单价区为3字节, so should range from 0 to 999999");
            this.BodyAndXRL = newPriceWithoutDecimalPoint.GetBCDBytes(priceFieldLength).ToList();
            // cmd byte
            this.BodyAndXRL.Add(0xB2);
            // add a place hold for XRL
            this.BodyAndXRL.Add(0);
        }
    }
}