using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using NUnit.Framework;

namespace Deltares.DamPiping.Tests
{
    [TestFixture]
    public class PipingCalculatorBlighTests
    {
        
        [Test]
        public void CanCalculateThePipingFactorUsingBlighNoUplift()
        {
            var calculator = new PipingCalculatorBligh();
            var actual = calculator.CalculatePipingFactor();
        
            // Phreatic level in profile
            // Mass of soil volume above 
            //   dry 6 m x 12 kN/m3 = 72
            //   wet 9 m x 16 kN/m3 = 144
            //   Total: 72 + 144 = 216
            // Phreatic pressure
            //   20 m x 10 kN/m3 = 200
            // UpliftFactor = 216/200 = 1.08
            // UpliftFactor > 1.0, so no piping, so returns cDefaultMaxReturnValue
            var expected = PipingCalculatorBligh.cDefaultMaxReturnValue;
        
            Assert.AreEqual(expected, actual);
        }
        
        //        [Test]
        //        public void CanCalculateThePipingFactorUsingBligh()
        //        {
        //            using (var surfaceLine = FactoryForSurfaceLineTests.CreateSurfaceLineTutorial1())
        //            using (var dike = new Dike())
        //            {
        //                var soilProfile = FactoryForSoilProfileTests.CreateClaySandProfileForPipingBligh();
        //                var modelParametersForPLLines = new ModelParametersForPLLines();
        //                modelParametersForPLLines.DampingFactorPL4 = 0.0;
        //
        //                var calculator = new PipingCalculatorBligh(modelParametersForPLLines,
        //                    1.0, dike.GaugePLLines, dike.Gauges, 1.0);
        //
        //                using (var location = new Location())
        //                {
        //                    var actual = calculator.CalculatePipingFactor(location, surfaceLine, soilProfile, 2.0);
        //
        //                    // Phreatic level in profile
        //                    // Mass of soil volume above 
        //                    //   material above bottom sandlayer: 0 to -5 m
        //                    //   dry/wet 5 m x 1 kN/m3 = 5
        //                    // Phreatic pressure (Head PLLine 4 is ca. 1.0
        //                    //   6.0 m x 10 kN/m3 = 60,0
        //                    // UpliftFactor = 5/60.0 = 0.0833
        //                    // UpliftFactor < 1.0, so piping will occur in toe of dike
        //                    //
        //                    // L = ToeOfDike.x - entrypoint.x = 50.5 - 10.0 = 40.5
        //                    // d = height coverlayer = 5.0
        //                    // Fluidisationgradient = 0.3
        //                    // Hc = L / 18  = 40.5 / 18 = 2.25
        //                    // Ha = 2.0 - 0.0 - (Fluidisationgradient * d) = 2.0 - 0.3 * 5.0 = 0.5
        //                    // Piping factor = Hc / Ha = 2.25 / 0.5
        //                    const double expected = 4.5;
        //
        //                    Assert.AreEqual(expected, actual);
        //                }
        //            }
        //        }


    }
}