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

namespace Wayne_Pump_Dart.MessageEntity.Incoming
{
    /// <summary>
    /// The pump sends this transaction if Request Total Counters is received.
    /// </summary>
    public class TotalCounters_TransactionData
    {
        private TransactionData transactionData;
        public TotalCounters_TransactionData(TransactionData transactionData)
        {
            if (transactionData.TransactionNumber != 0x65)
                throw new ArgumentException("TotalCounters_TransactionData must have transaction number 0x65");
            if (transactionData.Length != 0x10)
                throw new ArgumentException("TotalCounters_TransactionData must have length 16");
            this.transactionData = transactionData;
        }

        /// <summary>
        /// Combine with `TotalValue`, `Meter1_TotalValue_Or_NumberOfFill` or `Meter2_TotalValue` property 
        /// to know what's this proerperty for. 
        /// </summary>
        public byte LogicalNozzleNumber { get { return this.transactionData.RawData.First(); } }

        /// <summary>
        /// `LogicalNozzleNumber` 01H-08H: this property is the Volume Totals for specifiec logical nozzle
        /// `LogicalNozzleNumber` 09H: this property is the sum of all logical nozzle Volume totals.
        /// `LogicalNozzleNumber` 11H-18H: this property is the Amount Totals for logical nozzle(substract 10H to get real logical nozzle number)
        /// `LogicalNozzleNumber` 19H: this property is the sum of all logical nozzle Amount totals.
        /// </summary>
        public int TotalValue { get { return this.transactionData.RawData.Skip(1).Take(5).GetBCD(); } }

        /// <summary>
        /// `LogicalNozzleNumber` 01H-08H: this property is the Primary meter Volume totals for logical nozzle.
        /// `LogicalNozzleNumber` 09H: this property is Not used shall be zero (0).
        /// `LogicalNozzleNumber` 11H-18H: this property is the Number of fillings for logical nozzle(substract 10H to get real logical nozzle number)
        /// `LogicalNozzleNumber` 19H: this property is the Total no of fillings for whole pump.
        /// </summary>
        public int Meter1_TotalValue_Or_NumberOfFill { get { return this.transactionData.RawData.Skip(6).Take(5).GetBCD(); } }

        /// <summary>
        /// `LogicalNozzleNumber` 01H-08H: this property is the Secondary meter Volume totals for logical nozzle.
        /// `LogicalNozzleNumber` 09H: this property is Not used shall be zero (0).
        /// `LogicalNozzleNumber` 11H-19H: this property is Not used shall be zero (0).
        /// </summary>
        public int Meter2_TotalValue { get { return this.transactionData.RawData.Skip(11).Take(5).GetBCD(); } }
    }
}