using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using HeuristicLab.Core;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
using HeuristicLab.Common;
using HeuristicLab.PDPSimulation.Operators;
using HeuristicLab.Problems.VehicleRouting;
using HeuristicLab.Problems.VehicleRouting.Interfaces;

namespace HeuristicLab.PDPSimulation {
  [Item("Waiting strategy", "A pickup and delivery waiting strategy.")]
  [StorableClass]
  public abstract class WaitingStrategy : ParameterizedNamedItem {
    [Storable]
    protected PickupDeliveryScenario scenario;
    
    public WaitingStrategy()
      : base() {
    }
    [StorableConstructor]
    protected WaitingStrategy(bool deserializing) : base(deserializing) { }
    protected WaitingStrategy(WaitingStrategy original, Cloner cloner)
      : base(original, cloner) {
        this.scenario = cloner.Clone<PickupDeliveryScenario>(original.scenario);
    }

    public virtual void SetScenario(PickupDeliveryScenario scenario) {
      if (scenario != null) {
        this.scenario = scenario;
      }
    }

    public abstract double GetWaitingTime(double time, DynPDPProblemInstance instance, IVRPEncoding solution, Tour tour, int stop);

    public virtual double GetBufferTime(double time, DynPDPProblemInstance instance, IVRPEncoding solution, Tour tour, int stop) {
      return 0;
    }
  }
}