#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

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.Parameters;
using HeuristicLab.Data;
using HeuristicLab.PDPSimulation.DomainModel;

namespace HeuristicLab.PDPSimulation {
  [Item("PickupDeliveryPredefinedOrderGenerator", "A pickup and delivery order generator.")]
  [StorableClass]
  public sealed class PickupDeliveryPredefinedOrderGenerator: PickupDeliveryOrderGenerator {
    public ValueParameter<IntValue> OrderRangeXParameter {
      get { return (ValueParameter<IntValue>)Parameters["OrderRangeX"]; }
    }

    public ValueParameter<IntValue> OrderRangeYParameter {
      get { return (ValueParameter<IntValue>)Parameters["OrderRangeY"]; }
    }
    
    public ValueParameter<DoubleMatrix> OrdersParameter {
      get { return (ValueParameter<DoubleMatrix>)Parameters["Orders"]; }
    }

    public OptionalValueParameter<StringArray> OrderNamesParameter {
      get { return (OptionalValueParameter<StringArray>)Parameters["OrderNames"]; }
    }
    
    public PickupDeliveryPredefinedOrderGenerator() : base() {
      Parameters.Add(new ValueParameter<DoubleMatrix>("Orders", new DoubleMatrix()));
      Parameters.Add(new OptionalValueParameter<StringArray>("OrderNames"));
      Parameters.Add(new ValueParameter<IntValue>("OrderRangeX", new IntValue(0)));
      Parameters.Add(new ValueParameter<IntValue>("OrderRangeY", new IntValue(0)));

      OrdersParameter.GetsCollected = false;
    }
    [StorableConstructor]
    private PickupDeliveryPredefinedOrderGenerator(bool deserializing) : base(deserializing) { }
    private PickupDeliveryPredefinedOrderGenerator(PickupDeliveryPredefinedOrderGenerator original, Cloner cloner)
      : base(original, cloner) {
    }
    public override IDeepCloneable Clone(Cloner cloner) {
      return new PickupDeliveryPredefinedOrderGenerator(this, cloner);
    }

    public override double RangeX() {
      double maxX = OrderRangeXParameter.Value.Value;

      if (maxX == 0) {
        DoubleMatrix orderMatrix = OrdersParameter.Value;

        for (int i = 0; i < orderMatrix.Rows; i++) {
          double pickupXCoord = orderMatrix[i, 1];
          if (pickupXCoord > maxX)
            maxX = pickupXCoord;

          double deliveryXCoord = orderMatrix[i, 3];
          if (deliveryXCoord > maxX)
            maxX = deliveryXCoord;
        }
      } 

      return maxX;
    }

    public override double RangeY() {
      double maxY = OrderRangeYParameter.Value.Value;

      if (maxY == 0) {
        DoubleMatrix orderMatrix = OrdersParameter.Value;

        for (int i = 0; i < orderMatrix.Rows; i++) {
          double pickupYCoord = orderMatrix[i, 2];
          if (pickupYCoord > maxY)
            maxY = pickupYCoord;

          double deliveryYCoord = orderMatrix[i, 4];
          if (deliveryYCoord > maxY)
            maxY = deliveryYCoord;
        }
      }

      return maxY;
    }

    public override bool MoreOrders(double time) {
      bool moreOrders = false; 
      
      DoubleMatrix orderMatrix = OrdersParameter.Value;
       for (int i = 0; i < orderMatrix.Rows; i++) {
         double revealedTime = orderMatrix[i, 0];

         if (revealedTime > time) {
           moreOrders = true;
           break;
         }
       }

       return moreOrders;
    }

    public override IEnumerable<Order> GetOrders(double timeStart, double timeEnd) {
      List<Order> orders = new List<Order>();

      DoubleMatrix orderMatrix = OrdersParameter.Value;
      for (int i = 0; i < orderMatrix.Rows; i++) {
        double revealedTime = orderMatrix[i, 0];
        if ((timeStart == timeEnd && revealedTime == timeStart) || (revealedTime > timeStart && revealedTime <= timeEnd)) {
          Order order = new Order();
          order.OrderState = OrderState.Waiting;

          order.Index = i;
          order.PickupXCoord = orderMatrix[i, 1];
          order.PickupYCoord = orderMatrix[i, 2];
          order.DeliveryXCoord = orderMatrix[i, 3];
          order.DeliveryYCoord = orderMatrix[i, 4];
          order.Demand = orderMatrix[i, 5];
          order.PickupServiceTime = orderMatrix[i, 6];
          order.PickupReadyTime = orderMatrix[i, 7];
          order.PickupDueTime = orderMatrix[i, 8];
          order.DeliveryServiceTime = orderMatrix[i, 9];
          order.DeliveryReadyTime = orderMatrix[i, 10];
          order.DeliveryDueTime = orderMatrix[i, 11];

          order.ServiceRequest = order.DeliveryDueTime < 0;

          if (OrderNamesParameter.Value != null && i < OrderNamesParameter.Value.Length)
            order.Name = OrderNamesParameter.Value[i];
          else
            order.Name = "Order" + i;

          orders.Add(order);
        }
      }

      return orders;
    }
  }
}