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

namespace VeederRoot_ATG_Console.MessageEntity.DispenserInterface.Outgoing
{
    /// <summary>
    /// Report a fuel stop event to Veeder Root ATG console.
    /// 'fuel stop' indicates a pump finishied a fueling.
    ///  <SOH>B000000012FE0A<EOT>
    ///     Event ID  = 0
    ///     Transmission delay = 0 seconds
    ///     Selected Fueling Position = 12
    ///     
    /// 
    ///  <SOH>B100000501FE06<EOT>
    ///     Event ID  = 1
    ///     Transmission delay = 5 seconds
    ///     Selected Fueling Position = 1
    /// </summary>
    public class StopEventReportRequest : OutgoingMessageBase
    {
        public enum FuelingInfo
        {
            NoProductsDispensed = 0,
            SingleProductDispensed = 1,
            BlendedProductsDispendsed = 2,
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="eventId">must range from 0 - 9, rotation control is needed, Start Events and Stop Events contain event IDs to help the dispenser interface module identify transmissions that are repeated as a result of communication errors.  Once an event report (start or end) is successfully transmitted, the Event Message ID must change so the next event report (start or end) will get a new ID in the range 0 - 9.  An event report must keep the same ID until it is successfully transmitted. The status report does not require an ID</param>
        /// <param name="errorFlag">Range: '00' to 'FF'</param>
        /// <param name="secondsDelay">0-9999</param>
        /// <param name="fuelingPositionId">0-99</param>
        /// <param name="stopFuelingMode">no fuel dispsed, or single product dispsed, or blended products dispsed?</param>
        /// <param name="meterAndTrxDetails">combined used with `stopFuelingMode`, Tuple`3` explained: 
        ///     1st is meterId, Range 0-9
        ///     2nd is CumulativeVol, This field is required for all meter volume reports in a stop event report,  DDDDDD.DD 
        ///     3rd is TrxVol,  dddd.ddd 
        /// </param>
        public StopEventReportRequest(int eventId, byte errorFlag, int secondsDelay, byte fuelingPositionId,
            FuelingInfo fuelingInfo,
            List<Tuple<byte, double, double>> meterAndTrxDetails)
        {
            this.FunctionCodeRaw = "C";
            this.EventId = eventId;
            this.ErrorFlag = errorFlag;
            this.SecondsDelay = secondsDelay;
            this.FuelingPositionId = fuelingPositionId;

            this.MeterIdAndVolSetsRaw = new List<byte>();
            switch (fuelingInfo)
            {
                case FuelingInfo.NoProductsDispensed:
                    this.MeterIdAndVolSetsRaw.AddRange(Encoding.ASCII.GetBytes("0"));
                    break;
                case FuelingInfo.SingleProductDispensed:
                    if (meterAndTrxDetails == null || meterAndTrxDetails.Count != 1)
                        throw new ArgumentOutOfRangeException("FuelingInfo indicates SingleProductDispensed, " +
                            "then meterAndTrxDetails should only have 1 item!");
                    this.MeterIdAndVolSetsRaw.AddRange(Encoding.ASCII.GetBytes("1"));
                    this.MeterIdAndVolSetsRaw.AddRange(
                        Encoding.ASCII.GetBytes(meterAndTrxDetails.First().Item1.ToString()));
                    this.MeterIdAndVolSetsRaw.AddRange(
                        Encoding.ASCII.GetBytes(meterAndTrxDetails.First().Item2.ToString("0.00").PadLeft(9, '0')));
                    this.MeterIdAndVolSetsRaw.AddRange(
                        Encoding.ASCII.GetBytes(meterAndTrxDetails.First().Item3.ToString("0.000").PadLeft(8, '0')));
                    break;
                case FuelingInfo.BlendedProductsDispendsed:
                    if (meterAndTrxDetails == null || meterAndTrxDetails.Count != 2)
                        throw new ArgumentOutOfRangeException("FuelingInfo indicates BlendedProductsDispendsed, " +
                            "then meterAndTrxDetails should have 2 items!");
                    this.MeterIdAndVolSetsRaw.AddRange(Encoding.ASCII.GetBytes("2"));
                    this.MeterIdAndVolSetsRaw.AddRange(
                        Encoding.ASCII.GetBytes(meterAndTrxDetails.First().Item1.ToString()));
                    this.MeterIdAndVolSetsRaw.AddRange(
                        Encoding.ASCII.GetBytes(meterAndTrxDetails.First().Item2.ToString("0.00")));
                    this.MeterIdAndVolSetsRaw.AddRange(
                        Encoding.ASCII.GetBytes(meterAndTrxDetails.First().Item3.ToString("0.000")));

                    this.MeterIdAndVolSetsRaw.AddRange(
                        Encoding.ASCII.GetBytes(meterAndTrxDetails.Skip(1).First().Item1.ToString()));
                    this.MeterIdAndVolSetsRaw.AddRange(
                        Encoding.ASCII.GetBytes(meterAndTrxDetails.Skip(1).First().Item2.ToString("0.00")));
                    this.MeterIdAndVolSetsRaw.AddRange(
                        Encoding.ASCII.GetBytes(meterAndTrxDetails.Skip(1).First().Item3.ToString("0.000")));
                    break;
            }
        }

        /// <summary>
        /// </summary>
        [EnumerableFormat("%cascade", -9350)]
        public List<byte> MeterIdAndVolSetsRaw { get; set; }

        //[EnumerableFormat(4, -9300, EncodingType = EncodingType.BIN)]
        //public List<byte> CheckSumOfProceedingChars { get; set; }

        [Format(1, EncodingType.BIN, -9300)]
        public byte EOT { get; set; } = 0x04;
    }
}