// Copyright (C) Stichting Deltares 2018. All rights reserved.
//
// This file is part of the Dam Engine.
//
// The Dam Engine is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// All names, logos, and references to "Deltares" are registered trademarks of
// Stichting Deltares and remain full property of Stichting Deltares at all times.
// All rights reserved.

using System;
using System.Text;
using Deltares.DamEngine.Calculators.Interfaces;

namespace Deltares.DamEngine.Calculators.Stability
{
    /// <summary>
    /// Defines the service agent which is responsible for delegating calls 
    /// to the MStab calculation kernel or services
    /// </summary>
    public class StabilityServiceAgent : IDisposable
    {
        private readonly DGSMStabDAMInterface mstabDamDll;
        
        public StabilityServiceAgent()
        {
            mstabDamDll = new DGSMStabDAMInterface();                    
        }

        #region Wrapper Methods
        
        
        /// <summary>
        /// Create Soilprofile for location X in geometry-2d
        /// </summary>
        /// <param name="inputXml"></param>
        /// <param name="outputXml"></param>
        public void ConvertGeometry2DTo1D(string inputXml, out StringBuilder outputXml)
        {
            const int defaultBufferSize = 10000;
            int bufferSize = defaultBufferSize;
            outputXml = new StringBuilder(bufferSize);
            int returnCode = mstabDamDll.Geometry2DTo1DConversion(inputXml, outputXml, ref bufferSize);
            if (returnCode == DgsStandardDllInterface.DllErrorOutputBufferTooSmall)
            {
                outputXml = new StringBuilder(bufferSize);
                returnCode = mstabDamDll.Geometry2DTo1DConversion(inputXml, outputXml, ref bufferSize);
            }
            if (returnCode != DgsStandardDllInterface.DllErrorNone)
                throw new StabilityServiceAgentException(mstabDamDll.ErrorMessage());
        }

        #endregion

        
        #region IDispose Members

        public void Dispose()
        {
            Dispose(true);
        }

        protected virtual void Dispose(bool disposing)
        {
            if (disposing)
            {
                // No need to call the finalizer since we've now cleaned
                // up the unmanaged memory
                GC.SuppressFinalize(this);
            }
        }

        // This finalizer is called when Garbage collection occurs, but only if
        // the IDisposable.Dispose method wasn't already called.
        ~StabilityServiceAgent()
        {
            Dispose(false);
        }

        #endregion
    }
}