using Deltares.AssessmentMechanism;

namespace Deltares.Stability.Calculation2
{
    public class StabilitySafetyFactorCalculation : AssessmentCalculation
    {
        public override AssessmentCalculationResult Execute(DikeLocationInfo dikeLocationInfo)
        {
            var stabilityDikeLocationInfo = (StabilityDikeLocationInfo) dikeLocationInfo;

            var location = stabilityDikeLocationInfo.Location;

            if (!double.IsNaN(dikeLocationInfo.DikeLocation.AssessmentLevel))
            {
                location.WaterLevelRiver = dikeLocationInfo.DikeLocation.AssessmentLevel;
            }

            var calculation = new StabilityCalculation();

            calculation.RunCalculation(stabilityDikeLocationInfo.StabilityModel);

            var result = new AssessmentCalculationResult
                {
                    FactorOfSafety = stabilityDikeLocationInfo.SlidingCurve != null ? stabilityDikeLocationInfo.SlidingCurve.SafetyFactor : double.NaN,
                    Approved = stabilityDikeLocationInfo.SlidingCurve != null && stabilityDikeLocationInfo.SlidingCurve.SafetyFactor >= 1,
                    ZValue = stabilityDikeLocationInfo.SlidingCurve != null ? stabilityDikeLocationInfo.SlidingCurve.SafetyFactor - 1 : double.NaN,
                    Calculated = stabilityDikeLocationInfo.SlidingCurve != null
                };
            return result;
        }
    }
}