using System;
using System.Collections.Generic;
using Wayne.Lib;
using Wayne.Lib.StateEngine;
using Wayne.Lib.StateEngine.Generic;

namespace SinochemInternetPlusApp.States.Shared
{
    class WaitForPayableTrx : TimeoutState<FuelingPoint>
    {
        protected override void Enter(StateEntry stateEntry, ref Transition transition)
        {
            base.Enter(stateEntry, ref transition);
        }

        protected override void HandleNonTimeoutEvent(StateEngineEvent stateEngineEvent, ref Transition transition)
        {
            if (stateEngineEvent.Type is EventType)
            {
                switch ((EventType)stateEngineEvent.Type)
                {
                    case EventType.NozzleReplaced:
                        Main.DebugLogger.Add($"Nozzle replaced before fueling trx arriving");
                        stateEngineEvent.Handled = true;
                        break;

                    case EventType.FuelingDone:
                        var genericEvent = stateEngineEvent as GenericEvent<FuelingDoneEventArgs>;
                        if (genericEvent != null && genericEvent.EventArgs != null &&
                            IsFdEventForCurrentFueling(genericEvent.EventArgs)) // check if it is for the current fueling
                        {
                            var liushuino = genericEvent.EventArgs.FuelingSqNo;
                            var amount = genericEvent.EventArgs.Amount;
                            var quantity = genericEvent.EventArgs.Quantity;

                            //if (Main.CurrentTrxMode == TransactionMode.CarPlateMode || Main.CurrentTrxMode == TransactionMode.ICCardMode)
                            //{
                            if (Main.CurrentEpsTrx != null)
                            {
                                Main.DebugLogger.Add($"liushuino: {liushuino}, amount: {amount}, qty: {quantity}");

                                Main.CurrentEpsTrx.Model.liushuino = Convert.ToString(liushuino);
                                Main.CurrentEpsTrx.Model.amount = Convert.ToDouble(amount);
                                Main.CurrentEpsTrx.Model.qty = Convert.ToDouble(quantity);
                                Main.CurrentEpsTrx.Model.trx_status = EpsTrxStatus.FuelingDone;
                                Main.CurrentEpsTrx.SaveToDb();
                            }
                            //}
                            //else if (Main.CurrentTrxMode == TransactionMode.BasicMode)
                            //{
                                //MultiFusionsSupport.CopyXiaofei2ToTargetFusion(Main.CurrentNozzleId, Convert.ToString(liushuino), Main.DebugLogger);
                            //}

                            transition = new Transition(this, TransitionType.FuelingDone);
                            stateEngineEvent.Handled = true;
                        }
                        else
                        {
                            DebugLog("Not matached AuthorizationId in FuelingDone event!!! Just ignore it and keep waiting.");
                        }

                        break;
                }
            }
        }

        private bool IsFdEventForCurrentFueling(FuelingDoneEventArgs fdEventArgs)
        {
            return fdEventArgs.AuthId == Main.AuthorizationId;
        }

        protected override void Timeout(ref Transition transition)
        {
            // two situations here:
            // 1) no fueling occured -- Zero filling
            // 2) fueling has occured, but eps did not receive the FuelingDone event from fcc in a given period
            if (Main.CurrentEpsTrx != null && Main.CurrentTrxMode == EpsTransactionMode.CarPlateMode || Main.CurrentTrxMode == EpsTransactionMode.ICCardMode)
            {                
                Main.CurrentEpsTrx.Model.trx_status = EpsTrxStatus.PaymentFailed;
                Main.CurrentEpsTrx.Model.amount = 0.00;
                Main.CurrentEpsTrx.Model.qty = 0.00;
                Main.CurrentEpsTrx.Model.real_pay_amount = 0.00;
                Main.CurrentEpsTrx.SaveToDb();
            }

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

        protected override int TimeoutInterval =>
            TimeoutValues.GetValueInMilliSec(TimeoutValues.FuelingPoint.Shared_WaitForPayableTrx, 5);
    }
}