using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using Deltares.DamEngine.Calculators.KernelWrappers.Common;
using Deltares.DamEngine.Data.General;

namespace Deltares.DamEngine.Calculators.KernelWrappers.DamMacroStabilityCommon
{
    public class DamMacroStabilityUtils
    {
        public static string GetStabilityInputFileName(DamKernelInput damKernelInput, int iterationIndex,
            MStabModelType model)
        {
            // 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);
            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 calculationBaseDirectory = DamProjectData.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;
        }
    }
}