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// This file is part of Ringtoets.
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using Ringtoets.Common.Data.Probabilistics;
using Ringtoets.MacroStabilityInwards.Primitives.MacroStabilityInwardsSoilUnderSurfaceLine;

namespace Ringtoets.MacroStabilityInwards.Data
{
    /// <summary>
    /// Factory for creating design variables based on probabilistic distributions for macrostability.
    /// </summary>
    public static class MacroStabilityInwardsSemiProbabilisticDesignVariableFactory
    {
        /// <summary>
        /// Creates the design variable for <see cref="MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine.AbovePhreaticLevel"/>.
        /// </summary>
        public static VariationCoefficientDesignVariable<VariationCoefficientLogNormalDistribution> GetAbovePhreaticLevel(MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine properties)
        {
            return new VariationCoefficientLogNormalDistributionDesignVariable(properties.AbovePhreaticLevel)
            {
                Percentile = 0.5
            };
        }

        /// <summary>
        /// Creates the design variable for <see cref="MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine.BelowPhreaticLevel"/>.
        /// </summary>
        public static VariationCoefficientDesignVariable<VariationCoefficientLogNormalDistribution> GetBelowPhreaticLevel(MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine properties)
        {
            return new VariationCoefficientLogNormalDistributionDesignVariable(properties.BelowPhreaticLevel)
            {
                Percentile = 0.5
            };
        }

        /// <summary>
        /// Creates the design variable for <see cref="MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine.Cohesion"/>.
        /// </summary>
        public static VariationCoefficientDesignVariable<VariationCoefficientLogNormalDistribution> GetCohesion(MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine properties)
        {
            return new VariationCoefficientLogNormalDistributionDesignVariable(properties.Cohesion)
            {
                Percentile = 0.05
            };
        }

        /// <summary>
        /// Creates the design variable for <see cref="MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine.FrictionAngle"/>.
        /// </summary>
        public static VariationCoefficientDesignVariable<VariationCoefficientLogNormalDistribution> GetFrictionAngle(MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine properties)
        {
            return new VariationCoefficientLogNormalDistributionDesignVariable(properties.FrictionAngle)
            {
                Percentile = 0.05
            };
        }

        /// <summary>
        /// Creates the design variable for <see cref="MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine.ShearStrengthRatio"/>.
        /// </summary>
        public static VariationCoefficientDesignVariable<VariationCoefficientLogNormalDistribution> GetShearStrengthRatio(MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine properties)
        {
            return new VariationCoefficientLogNormalDistributionDesignVariable(properties.ShearStrengthRatio)
            {
                Percentile = 0.05
            };
        }

        /// <summary>
        /// Creates the design variable for <see cref="MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine.StrengthIncreaseExponent"/>.
        /// </summary>
        public static VariationCoefficientDesignVariable<VariationCoefficientLogNormalDistribution> GetStrengthIncreaseExponent(MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine properties)
        {
            return new VariationCoefficientLogNormalDistributionDesignVariable(properties.StrengthIncreaseExponent)
            {
                Percentile = 0.05
            };
        }

        /// <summary>
        /// Creates the design variable for <see cref="MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine.Pop"/>.
        /// </summary>
        public static VariationCoefficientDesignVariable<VariationCoefficientLogNormalDistribution> GetPop(MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine properties)
        {
            return new VariationCoefficientLogNormalDistributionDesignVariable(properties.Pop)
            {
                Percentile = 0.05
            };
        }

        /// <summary>
        /// Creates the design variable for <see cref="MacroStabilityInwardsPreconsolidationStressUnderSurfaceLine"/>.
        /// </summary>
        public static VariationCoefficientDesignVariable<VariationCoefficientLogNormalDistribution> GetPreconsolidationStress(MacroStabilityInwardsPreconsolidationStressUnderSurfaceLine preconsolidationStressUnderSurfaceLine)
        {
            return new VariationCoefficientLogNormalDistributionDesignVariable(preconsolidationStressUnderSurfaceLine.PreconsolidationStress)
            {
                Percentile = 0.05
            };
        }
    }
}