using System;
using System.Globalization;
//using System.Diagnostics;
//using System.Windows.Forms;

using Wayne.Lib;

#if _SINP
using Wayne.ForecourtControl.Nfs;
#endif

namespace Wayne.ForecourtControl.Fusion
{
    /*internal*/
    public class FUSIONFuelling : IFuellingEx
    {
        // Fields
        private decimal amount;
        private long authorizationId;
        private DateTime completionDateTime;
        private int completionReason;
        private int fuelGrade;
        private int fuellingSequenceNumber;
        private int fuelPeriodId;
        private FUSIONManager manager;
        private int nfsFillingType;
        private FUSIONPump nfsPump;
        private INozzle nozzle;
        private PresetType presetType;
        private decimal presetValue;
        private decimal price;
        private PriceGroup priceGroup;
        private decimal quantity;
        private int reservedBy;
        private int authorizedBy;
        private FuellingState state;
        private FuellingType type;
        private ushort _CRC;
        private string signedReceiptLines;
        private string signedReceiptLinesWide;
        private byte reservingDeviceId;

        //FG, OCT-13-10, Add PayType to show outdoor payment type on FM
        private string payType;

        // used for generating Authorization token; it is ok to have one per workstation
        public static int transactionId = 0;

        // Methods
        internal FUSIONFuelling(FUSIONManager manager, FUSIONPump pump)
        {
            this.manager = manager;
            this.nfsPump = pump;
            this.WritableReservedBy = 0;
            this.WritableAuthorizedBy = 0;
            // JDL, AUG-10-10, default to outdoor card payment
            this.type = FuellingType.OptCardPaid;
        }

        internal void Dispose()
        {
            this.manager = null;
        }

        public void ReserveAsync(EventHandler<AsyncCompletedEventArgs> fuellingReserveCompleted, object userToken)
        {
            // call LockFuelSaleTrx
            // this.WritableReservedBy = this.manager.Id;
            this.manager.ifsfManager.LockFuelSaleTrx(((FUSIONPump)(this.Pump)).realId, this.FuellingSequenceNumber, (int)(this.AuthorizationId), fuellingReserveCompleted, userToken, this);
        }

        private void SendFillingRequest(EventHandler<AsyncCompletedEventArgs> requestCompleted, object userToken, ushort fid)
        {
            throw new NotImplementedException("SendFillingRequest - TODO");
        }

        public void SetAsPaidAsync(EventHandler<AsyncCompletedEventArgs> requestCompleted, object userToken)
        {
            // call ClearFuelSaleTrx
            Trace.WriteLine(string.Format("SetAsPaidAsync: fuellingSequenceNumber={0}, State={1}", this.fuellingSequenceNumber, State));
            this.manager.ifsfManager.ClearFuelSaleTrx(((FUSIONPump)(this.Pump)).realId, this.FuellingSequenceNumber, (int)(this.AuthorizationId), null, requestCompleted, userToken, this);
        }

        public void SetAsPaidAsync(string note, EventHandler<AsyncCompletedEventArgs> requestCompleted, object userToken)
        {
            // call ClearFuelSaleTrx
            Trace.WriteLine(string.Format("SetAsPaidAsync: fuellingSequenceNumber={0}, State={1}", this.fuellingSequenceNumber, State));
            this.manager.ifsfManager.ClearFuelSaleTrx(((FUSIONPump)(this.Pump)).realId, this.FuellingSequenceNumber, (int)(this.AuthorizationId), note, requestCompleted, userToken, this);
        }

        public override string ToString()
        {
            return this.ToString("", CultureInfo.InvariantCulture);
        }

        public string ToString(IFormatProvider provider)
        {
            return this.ToString("", provider);
        }

        public string ToString(string format)
        {
            return this.ToString(format, CultureInfo.InvariantCulture);
        }

        public string ToString(string format, IFormatProvider provider)
        {
            return ("Fuelling, Pump=" + this.nfsPump.Id.ToString(CultureInfo.InvariantCulture) + " SqN=" + this.fuellingSequenceNumber.ToString(CultureInfo.InvariantCulture) + " AuthId=" + this.authorizationId.ToString(CultureInfo.InvariantCulture));
        }

        public void TransferAsync(EventHandler<AsyncCompletedEventArgs> requestCompleted, object userToken)
        {
            // does nothing on transfer operation but setting fuelling on state Transferred
            Trace.WriteLine(string.Format("TransferAsync: fuellingSequenceNumber={0}, State={1}", this.fuellingSequenceNumber, State));
            if (this.State != FuellingState.Transferred)
            {
                this.WritableState = FuellingState.Transferred;
                this.nfsPump.FireFuellingStateChange(this, this.WritableState);
            }
            if (requestCompleted != null)
                requestCompleted.BeginInvoke(this, new AsyncCompletedEventArgs(true, userToken), null, null);
        }

        public void UndoTransferAsync(EventHandler<AsyncCompletedEventArgs> requestCompleted, object userToken)
        {
            // does nothing on undotransfer operation but resetting fuelling on state PayableTransaction
            if (this.State == FuellingState.Transferred)
                this.WritableState = FuellingState.PayableTransaction;
            if (requestCompleted != null)
                requestCompleted.BeginInvoke(this, new AsyncCompletedEventArgs(true, userToken), null, null);
        }

        public void UnreserveAsync(EventHandler<AsyncCompletedEventArgs> requestCompleted, object userToken)
        {
            // call UnlockFuelSaleTrx
            //this.WritableReservedBy = 0;
            this.manager.ifsfManager.UnlockFuelSaleTrx(((FUSIONPump)(this.Pump)).realId, this.FuellingSequenceNumber, (int)(this.AuthorizationId), requestCompleted, userToken, this);
        }

        // Properties
        public decimal Amount
        {
            get
            {
                return this.amount;
            }
        }

        public long AuthorizationId
        {
            get
            {
                return this.authorizationId;
            }
        }

        public DateTime CompletionDateTime
        {
            get
            {
                return this.completionDateTime;
            }
        }

        public int CompletionReason
        {
            get
            {
                return this.completionReason;
            }
        }

        private bool Disposed
        {
            get
            {
                return (this.manager == null);
            }
        }

        public int FuelGrade
        {
            get
            {
                return this.fuelGrade;
            }
        }

        public int FuellingSequenceNumber
        {
            get
            {
                return this.fuellingSequenceNumber;
            }
        }

        public int FuelPeriodId
        {
            get
            {
                return this.fuelPeriodId;
            }
        }

        internal int NfsFillingType
        {
            get
            {
                return this.nfsFillingType;
            }
            set
            {
                this.nfsFillingType = value;
            }
        }

        public INozzle Nozzle
        {
            get
            {
                return this.nozzle;
            }
        }

        public PresetType PresetType
        {
            get
            {
                return this.presetType;
            }
        }

        public decimal PresetValue
        {
            get
            {
                return this.presetValue;
            }
        }

        public decimal Price
        {
            get
            {
                return this.price;
            }
        }

        public int PriceGroup
        {
            get
            {
                return (int)this.priceGroup;
            }
        }

        public IPump Pump
        {
            get
            {
                return this.nfsPump;
            }
        }

        public PumpAccumulatorReading PumpAccumulator
        {
            get
            {
                return null;
            }
        }

        public decimal Quantity
        {
            get
            {
                return this.quantity;
            }
        }

        public int ReservedBy
        {
            get
            {
                return this.reservedBy;
            }
        }

        public int AuthorizedBy
        {
            get
            {
                return this.authorizedBy;
            }
        }

        public FuellingState State
        {
            get
            {
                return this.state;
            }
        }

        public FuellingType Type
        {
            get
            {
                return this.type;
            }
        }

        public ushort CRC
        {
            get
            {
                return this._CRC;
            }
        }

        public string SignedReceiptLines
        {
            get
            {
                return this.signedReceiptLines;
            }
        }

        public string SignedReceiptLinesWide
        {
            get
            {
                return this.signedReceiptLinesWide;
            }
        }

        public byte ReservingDeviceId
        {
            get { return reservingDeviceId; }
        }

        internal decimal WritableAmount
        {
            get
            {
                return this.amount;
            }
            set
            {
                this.amount = value;
            }
        }

        internal long WritableAuthorizationId
        {
            get
            {
                return this.authorizationId;
            }
            set
            {
                this.authorizationId = value;
            }
        }

        internal DateTime WritableCompletionDateTime
        {
            get
            {
                return this.completionDateTime;
            }
            set
            {
                this.completionDateTime = value;
            }
        }

        internal int WritableCompletionReason
        {
            get
            {
                return this.completionReason;
            }
            set
            {
                this.completionReason = value;
            }
        }

        internal int WritableFuelGrade
        {
            get
            {
                return this.fuelGrade;
            }
            set
            {
                this.fuelGrade = value;
            }
        }

        internal int WritableFuellingSequenceNumber
        {
            get
            {
                return this.fuellingSequenceNumber;
            }
            set
            {
                this.fuellingSequenceNumber = value;
            }
        }

        internal int WritableFuelPeriodId
        {
            get
            {
                return this.fuelPeriodId;
            }
            set
            {
                this.fuelPeriodId = value;
            }
        }

        internal INozzle WritableNozzle
        {
            get
            {
                return this.nozzle;
            }
            set
            {
                this.nozzle = value;
            }
        }

        internal PresetType WritablePresetType
        {
            get
            {
                return this.presetType;
            }
            set
            {
                this.presetType = value;
            }
        }

        internal decimal WritablePresetValue
        {
            get
            {
                return this.presetValue;
            }
            set
            {
                this.presetValue = value;
            }
        }

        internal decimal WritablePrice
        {
            get
            {
                return this.price;
            }
            set
            {
                this.price = value;
            }
        }

        internal PriceGroup WritablePriceGroup
        {
            get
            {
                return this.priceGroup;
            }
            set
            {
                this.priceGroup = value;
            }
        }

        internal decimal WritableQuantity
        {
            get
            {
                return this.quantity;
            }
            set
            {
                this.quantity = value;
            }
        }

        internal int WritableReservedBy
        {
            get
            {
                return this.reservedBy;
            }
            set
            {
                this.reservedBy = value;
            }
        }

        internal int WritableAuthorizedBy
        {
            get
            {
                return this.authorizedBy;
            }
            set
            {
                this.authorizedBy = value;
            }
        }

        internal FuellingState WritableState
        {
            get
            {
                return this.state;
            }
            set
            {
                this.state = value;
            }
        }

        internal FuellingType WritableType
        {
            get
            {
                return this.type;
            }
            set
            {
                this.type = value;
            }
        }

        internal ushort WritableCRC
        {
            get
            {
                return this._CRC;
            }
            set
            {
                this._CRC = value;
            }
        }

        internal string WritableSignedReceiptLines
        {
            get
            {
                return this.signedReceiptLines;
            }
            set
            {
                this.signedReceiptLines = value;
            }
        }

        //FG, OCT-13-10, Add PayType to show outdoor payment type on FM
        internal string PayType
        {
            get
            {
                return this.payType;
            }
            set
            {
                this.payType = value;
            }
        }

        internal string WritableSignedReceiptLinesWide
        {
            get
            {
                return this.signedReceiptLinesWide;
            }
            set
            {
                this.signedReceiptLinesWide = value;
            }
        }

        internal byte WritableReservingDeviceId
        {
            get { return reservingDeviceId; }
            set { reservingDeviceId = value; }
        }

        public int convertStatus(int status)
        {
            // TODO
            return status;
        }

        #region IFuelling Members


        public byte PriceRevision
        {
            get { return 0; }
        }

        #endregion
    }
}