using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Wayne.Lib.StateEngine;
using Wayne.Lib.StateEngine.Generic;

namespace SinochemInternetPlusApp.States
{
    public class ShowTrxListPendingFueling : TimeoutState<FuelingPoint>
    {
        private int requestId;

        protected override void Enter(StateEntry stateEntry, ref Transition transition)
        {
            base.Enter(stateEntry, ref transition);

            Main.NewEpsTrx.UpdateTrxStatusToDb(EpsTrxStatus.BeforeFueling);
            //Main.CurrentEpsTrx.UpdateTrxStatusToDb(EpsTrxStatus.BeforeFueling);

            if (!Main.HasBigSreen())
            {
                Main.DebugLogger.Add("No screen configured");

                transition = new Transition(this, TransitionType.Done);
                return;
            }

            var validTrx = EpsTransactionQuery.GetValidCarPlateEpsTrxModels(
                Main.GetAllNozzlesOnThisSide(),
                ConfigurationValues.AlreadyDoneEpsTrxCountPerDisplay,
                Main.DebugLogger);

            Main.ActiveTrx = validTrx;
            //Main.NewEpsTrx.Model.AvailableNozzleGrade = Main.GetAvailableNozzleInfo();
            var nozzleIdGradeNameDic = Main.GetAvailableNozzleInfo();
            if (nozzleIdGradeNameDic != null)
            {
                foreach (var trx in validTrx)
                {
                    if (trx.trx_status == EpsTrxStatus.BeforeFueling || trx.trx_status == EpsTrxStatus.Fueling)
                    {
                        trx.AvailableNozzleGrade = nozzleIdGradeNameDic;
                    }
                }
            }

            var text = Main.Eps.CreateDisplayTrxCommand(validTrx, out requestId, 0);
            if (Main.Eps.CarPlateHandler != null)
            {
                DebugLog(text);
                Main.Eps.CarPlateHandler.BroadcastMessageViaFdc(text);
                Main.DebugLogger.Add("request Id: " + requestId);
                if (!Main.ContainsRequestId(requestId))
                {
                    Main.AddRequestId(requestId);
                }
            }
        }
        protected override void HandleNonTimeoutEvent(StateEngineEvent stateEngineEvent, ref Transition transition)
        {
            if (stateEngineEvent.Type.Equals(EventType.DisplayResponseReceived))
            {
                var e = stateEngineEvent as GenericEvent<DisplayResponseEventArgs>;
                if (e != null && e.EventArgs != null)
                {
                    Main.DebugLogger.Add("request Id: " + requestId + " incoming event request Id:" + e.EventArgs.DispResponse.RequestId);
                    if (requestId == e.EventArgs.DispResponse.RequestId)
                    {
                        e.Handled = true;

                        if (Main.ContainsRequestId(requestId))
                            Main.RemoveRequestId(requestId);

                        transition = new Transition(this, TransitionType.Done);
                    }
                }
            }

            else if (stateEngineEvent.Type.Equals(EventType.NozzleLifted))
            {
                transition = new Transition(this, TransitionType.Done);
            }
        }

        protected override void Timeout(ref Transition transition)
        {
            transition = new Transition(this, TransitionType.Timeout);
        }

        protected override int TimeoutInterval =>
            TimeoutValues.GetValueInMilliSec(TimeoutValues.FuelingPoint.CarPlateMode_ShowTrxListPendingFueling, 60);
    }
}