// Copyright (C) Stichting Deltares 2017. 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.IO;
using System.Text.RegularExpressions;
using Deltares.DamEngine.Calculators.KernelWrappers.Common;
using Deltares.DamEngine.Data.General;

namespace Deltares.DamEngine.Calculators.KernelWrappers.DamMacroStabilityCommon
{
    /// <summary>
    /// Utility methods for DamMacroStability
    /// </summary>
    public class DamMacroStabilityUtils
    {
        /// <summary>
        /// Gets the name of the stability input file.
        /// </summary>
        /// <param name="damKernelInput">The dam kernel input.</param>
        /// <param name="iterationIndex">Index of the iteration.</param>
        /// <param name="model">The model.</param>
        /// <param name="projectWorkingPath">Working directory</param>
        /// <returns></returns>
        public static string GetStabilityInputFileName(DamKernelInput damKernelInput, int iterationIndex,
            MStabModelType model, string projectWorkingPath)
        {
            // Assume 2D sti-file, then check on type being 1D
            string soilGeometryName = damKernelInput.SubSoilScenario.StiFileName;
            if (damKernelInput.SubSoilScenario.SoilProfileType == SoilProfileType.ProfileType1D)
            {
                soilGeometryName = damKernelInput.SubSoilScenario.SoilProfile1DName;
            }

            string calculationName = DetermineCalculationFilename(damKernelInput.DesignScenario.Location.Name,
                damKernelInput.DesignScenario.LocationScenarioID, soilGeometryName, iterationIndex);
            const string filenameExtension = ".sti";
            string fileName = calculationName + filenameExtension;
            string stabilityDirectory = GetStabilityCalculationDirectory(model, projectWorkingPath);
            return Path.Combine(stabilityDirectory, fileName);
        }

        private static string DetermineCalculationFilename(string locationName, string scenarioName,
            string soilGeometryName, int iterationIndex)
        {
            string calculationName;
            if (iterationIndex <= 0)
            {
                calculationName = String.Format("Loc({0})_Sce({1})_Pro({2})", locationName, scenarioName,
                    soilGeometryName);
            }
            else
            {
                calculationName = String.Format("Loc({0})_Sce({1})_Pro({2})_Ite({3})", locationName, scenarioName,
                    soilGeometryName, iterationIndex);
            }
            return Regex.Replace(calculationName, @"[\\\/:\*\?""'<>|.]", "_");
        }

        private static string GetStabilityCalculationDirectory(MStabModelType model, string projectWorkingPath)
        {
            string calculationBaseDirectory = projectWorkingPath;
            const string stabilitySubDir = @"Stability\";
            string stabilityDirectory = Path.Combine(calculationBaseDirectory, stabilitySubDir);
            var modelSubDirectory = model.ToString();
            if (modelSubDirectory != "")
                stabilityDirectory = Path.Combine(stabilityDirectory, modelSubDirectory);
            if (!Directory.Exists(stabilityDirectory))
                Directory.CreateDirectory(stabilityDirectory);
            return stabilityDirectory;
        }
    }
}