using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Encodings.RealVectorEncoding;
using HeuristicLab.Parameters;
using HeuristicLab.PDPSimulation.DomainModel;
using HeuristicLab.PDPSimulation.Operators;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;

namespace HeuristicLab.PDPSimulation {
  [Item("EarliestDueTimeDispatching", "")]
  [StorableClass]
  public class EarliestDueTimeDispatching : Dispatching {
    [StorableConstructor]
    protected EarliestDueTimeDispatching(bool deserializing) : base(deserializing) { }
    protected EarliestDueTimeDispatching(EarliestDueTimeDispatching original, Cloner cloner) : base(original, cloner) { }
    public EarliestDueTimeDispatching() {
    }

    public override IDeepCloneable Clone(Cloner cloner) {
      return new EarliestDueTimeDispatching(this, cloner);
    }

    protected override void GetHighestPriorityOrder(DynPDPProblemInstance instance, Vehicle vehicle, IEnumerable<Order> orders, out Order order, out double priority) {
      order = orders.OrderBy(o => IsPickup(o, instance) ? o.PickupDueTime : o.DeliveryDueTime).First();
      priority = - scenario.DistanceMeasure.GetDistance(vehicle.TargetPositionX, vehicle.TargetPositionY,
        IsPickup(order, instance) ? order.PickupXCoord : order.DeliveryXCoord, IsPickup(order, instance) ? order.PickupYCoord : order.DeliveryYCoord);
    }
  }
}