using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Deltares.DamEngine.Calculators.Uplift;
using Deltares.DamEngine.Data.General;
using Deltares.DamEngine.Data.General.PlLines;
using Deltares.DamEngine.Data.Geotechnics;

namespace Deltares.DamEngine.Calculators.KernelWrappers.Common
{
    /// <summary>
    ///  Helper for Uplift
    /// </summary>
    public class UpliftHelper
    {
        public static UpliftSituation DetermineStabilityUplift(DamKernelInput damKernelInput, bool useRivelLevelLow)
        {
            var location = damKernelInput.Location;
            var upliftCriterion = damKernelInput.DesignScenario.GetUpliftCriterionStability(location.ModelFactors.UpliftCriterionStability);
            var riverLevel = damKernelInput.DesignScenario.RiverLevel;
            double? riverLevelLow = null;
            if (useRivelLevelLow)
            {
                riverLevelLow = damKernelInput.DesignScenario.RiverLevelLow;
            }
            var soilGeometry2DName = damKernelInput.SubSoilScenario.FullStiFileName;
            UpliftSituation upliftSituation;
            var plLines = PlLinesHelper.CreatePlLinesForStability(location, damKernelInput.SubSoilScenario, riverLevel,
                soilGeometry2DName, riverLevelLow, out upliftSituation);
            if (plLines != null)
            {
                var surfaceLineWithNewHeight = location.SurfaceLine;
                double? upliftFactor = GetLowestUpliftFactor(surfaceLineWithNewHeight,
                    damKernelInput.SubSoilScenario.SoilProfile1D, soilGeometry2DName, plLines, location);
                upliftSituation.IsUplift = (upliftFactor < upliftCriterion);
            }
            else
            {
                upliftSituation.IsUplift = false;
            }
            return upliftSituation;
        }

        public static double? GetLowestUpliftFactor(SurfaceLine2 surfaceLine, SoilProfile1D soilProfile, string soilGeometry2DName,
            PLLines plLines, Location location)
        {
            var upliftLocationDeterminator = new UpliftLocationDeterminator()
            {
                SurfaceLine = surfaceLine,
                SoilProfile = soilProfile,
                SoilGeometry2DName = soilGeometry2DName,
                SoilList = location.SoilList,
                DikeEmbankmentMaterial = location.GetDikeEmbankmentSoil(),
                PLLines = plLines,
                XSoilGeometry2DOrigin = location.XSoilGeometry2DOrigin
            };
            UpliftLocationAndResult upliftLocationAndResult = upliftLocationDeterminator.GetLocationAtWithLowestUpliftFactor();
            return upliftLocationAndResult?.UpliftFactor;
        }

    }
}