using System;
using System.Diagnostics;
using System.Runtime.Serialization;

namespace Deltares.MStab.IO.Classic
{
    [Serializable]
    public class ClassicSoilException : Exception
    {
        //
        // For guidelines regarding the creation of new exception types, see
        //    http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpgenref/html/cpconerrorraisinghandlingguidelines.asp
        // and
        //    http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dncscol/html/csharp07192001.asp
        //

        public ClassicSoilException() {}

        public ClassicSoilException(string message) : base(message) {}

        public ClassicSoilException(string message, Exception inner) : base(message, inner) {}

        protected ClassicSoilException(
            SerializationInfo info,
            StreamingContext context)
            : base(info, context) {}
    }

    /// <summary>
    /// Access parameters from Classic Input files with help of DGSSerializer.dll
    /// </summary>
    internal class GetClassicSoil
    {
        public static void GetClassicSoilList(int handle, ref ClassicSoilFunctionDefinitions.SoilNameList aSoilNameList)
        {
            var lBuffer = new char[1024];
            try
            {
                if (aSoilNameList == null)
                {
                    aSoilNameList = new ClassicSoilFunctionDefinitions.SoilNameList();
                    aSoilNameList.soilName = new string[ClassicSoilFunctionDefinitions.SoilConstants.maxSoilGroups];

                    for (int index = 0; index < ClassicSoilFunctionDefinitions.SoilConstants.maxSoilGroups; index++)
                    {
                        aSoilNameList.soilName[index] = new String(lBuffer);
                    }
                }
                // Todo in DLL : list with soils are not realy ok as "double" used soils are realy doubled which is not supposed to happen.
                if (!ClassicSoilFunctionDefinitions.ClassicGetSoilNameList(handle, ref aSoilNameList))
                {
                    throw new ClassicSoilException("Could not get object from ClassicMStab");
                }
            }
            catch (ClassicSoilException e)
            {
                Debug.Assert(false, e.ToString());
            }
        }

        public static void GetClassicSoilParamValueDouble(int handle, string SoilName, string SoilParam, ref double SoilValue)
        {
            var lBuffer = new char[1024];
            try
            {
                if (!ClassicSoilFunctionDefinitions.ClassicGetSoilItemByName(handle, SoilName, SoilParam, ref SoilValue))
                {
                    throw new ClassicSoilException("Could not get object from ClassicMStab");
                }
            }
            catch (ClassicSoilException e)
            {
                Debug.Assert(false, e.ToString());
            }
        }

        public static void GetClassicMStabSigmaTau(int handle, ref ClassicMStabFunctionDefinitions.MStabSigmaTauCurves aSigmaTauCurves)
        {
            try
            {
                var lBuffer = new char[1024];
                if (aSigmaTauCurves == null)
                {
                    aSigmaTauCurves = new ClassicMStabFunctionDefinitions.MStabSigmaTauCurves();
                    aSigmaTauCurves.curves = new ClassicMStabFunctionDefinitions.Curves[ClassicMStabFunctionDefinitions.MStabConstants.maxStressTables];
                    for (int index = 0; index < ClassicMStabFunctionDefinitions.MStabConstants.maxStressTables; index++)
                    {
                        aSigmaTauCurves.curves[index].itemName = new string(lBuffer);
                    }
                }
                ClassicMStabFunctionDefinitions.ClassicGetSigmaTauCurves(handle, ref aSigmaTauCurves);
            }
            catch (ClassicSoilException e)
            {
                Debug.Assert(false, e.ToString());
            }
        }

        /// <summary>
        /// get bond stress diagrams
        /// </summary>
        /// <param name="handle"></param>
        /// <param name="bondStressDiagrams"></param>
        public static void GetClassicMStabBondStresses(int handle, ref ClassicMStabFunctionDefinitions.MStabBondStressDiagrams bondStressDiagrams)
        {
            try
            {
                var lBuffer = new char[1024];
                if (bondStressDiagrams == null)
                {
                    bondStressDiagrams = new ClassicMStabFunctionDefinitions.MStabBondStressDiagrams();
                    bondStressDiagrams.curves = new ClassicMStabFunctionDefinitions.Curves[ClassicMStabFunctionDefinitions.MStabConstants.maxStressTables];
                    for (int index = 0; index < ClassicMStabFunctionDefinitions.MStabConstants.maxStressTables; index++)
                    {
                        bondStressDiagrams.curves[index].itemName = new string(lBuffer);
                    }
                }
                ClassicMStabFunctionDefinitions.ClassicGetBondStressDiagrams(handle, ref bondStressDiagrams);
            }
            catch (ClassicSoilException e)
            {
                Debug.Assert(false, e.ToString());
            }
        }

        public static void GetClassicSoilResistance(int handle, ref ClassicMStabFunctionDefinitions.MStabSoilResistance soilResistance)
        {
            ClassicMStabFunctionDefinitions.ClassicGetSoilResistance(handle, ref soilResistance);
        }

        public static void GetClassicSoilItemString(int handle, string aSoilName, ref ClassicSoilFunctionDefinitions.SoilParamListString aStressNames)
        {
            try
            {
                var lBuffer = new char[1024];
                if (aStressNames == null)
                {
                    aStressNames = new ClassicSoilFunctionDefinitions.SoilParamListString();
                }

                aStressNames.StressTableName = new string(lBuffer);
                aStressNames.SoilBondStressTableName = new string(lBuffer);

                ClassicSoilFunctionDefinitions.ClassicGetSoilItemString(handle, aSoilName, ref aStressNames);
            }
            catch (ClassicSoilException e)
            {
                Debug.Assert(false, e.ToString());
            }
        }
    }
}