#region Copyright
/*
* Copyright (c) 2005,2006,2007, OpenMI Association
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of the OpenMI Association nor the
*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY "OpenMI Association" ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL "OpenMI Association" BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#endregion 
using System;
using OpenMI.Standard;

namespace RTCTools.OpenMI.Sdk.Spatial
{
	/// <summary>
	/// Summary description for DataOperation.
	/// </summary>
	[Serializable]
	public class DataOperation : Backbone.DataOperation
	{
    /// <summary>
    /// Redecalration of the overloaded constructor from the base class. 
    /// The redeclaration is probably needed since constructors can not be 
    /// marked as virtual.
    /// </summary>
    public DataOperation()
		{
		}

    /// <summary>
    /// Redecalration of the overloaded constructor from the base class. 
    /// The redeclaration is probably needed since constructors can not be 
    /// marked as virtual.
    /// </summary>
    public DataOperation(IDataOperation source) : base(source)
		{
		}

    /// <summary>
    /// Redecalration of the overloaded constructor from the base class. 
    /// The redeclaration is probably needed since constructors can not be 
    /// marked as virtual.
    /// </summary>
   	public DataOperation(string ID) : base(ID)
		{
		}

    /// <summary>
    /// For a given combination of inputExchangeItem, outputExchangeItem and list of dataOperation 
    /// it is decided if the dataOperations constitutes a valid set seen from a spatial settings 
    /// point of view. 
    /// </summary>
    /// <param name="inputExchangeItem">The input exchange item</param>
    /// <param name="outputExchangeItem">The output exchange item</param>
    /// <param name="SelectedDataOperations">List of selected dataOperations</param>
 		public override bool IsValid(IInputExchangeItem inputExchangeItem, IOutputExchangeItem outputExchangeItem, IDataOperation[] SelectedDataOperations)
		{
			bool returnValue = true;
			bool methodAvaileble = false;
			ElementMapper elementMapper = new ElementMapper();

			foreach (string idString in elementMapper.GetIDsForAvailableDataOperations(outputExchangeItem.ElementSet.ElementType,inputExchangeItem.ElementSet.ElementType))
			{
				if (ID == idString)
				{
					methodAvaileble = true;
				}
			}
			if (!methodAvaileble)
			{
				return false;
			}

			// --- check that only one SpatialMapping dataoperation is selected. ---
			int numberOfSelectedSpatialMappingDataOperations = 0;
			foreach (IDataOperation dataOperation in SelectedDataOperations)
			{
				for (int i = 0; i < dataOperation.ArgumentCount; i++)
				{
					if (dataOperation.GetArgument(i).Key == "Type")
					{
						if (dataOperation.GetArgument(i).Value == "SpatialMapping")
						{
                            numberOfSelectedSpatialMappingDataOperations++;  //this counting is done to check if the same dataOpertion is added twise

							if (dataOperation.ID != ID) //the selected dataoperation must be this dataOperation
							{
								returnValue = false; //the selected dataoperation must be this 
							}
						}
					}
				}
			}

			if (numberOfSelectedSpatialMappingDataOperations > 1)
			{
				returnValue = false;
			}
			
			return returnValue;			
		}
	}
}