using System;
using System.Linq;
using NUnit.Framework;
using Ringtoets.Piping.Data;
using Ringtoets.Piping.IO.Builders;

namespace Ringtoets.Piping.IO.Test.Builders
{
    public class SoilProfileBuilder1DTest
    {
        [Test]
        public void Build_WithOutLayers_ThrowsArgumentException()
        {
            // Setup
            var profileName = "SomeProfile";
            var builder = new SoilProfileBuilder1D(profileName, 0.0);

            // Call
            TestDelegate test = () => builder.Build();

            // Assert
            Assert.Throws<ArgumentException>(test);
        }

        [Test]
        public void Build_WithSingleLayer_ReturnsProfileWithBottomAndALayer()
        {
            // Setup
            var profileName = "SomeProfile";
            var random = new Random(22);
            var bottom = random.NextDouble();
            var top = random.NextDouble();
            var builder = new SoilProfileBuilder1D(profileName, bottom);
            builder.Add(new PipingSoilLayer(top)
            {
                IsAquifer = true
            });

            // Call
            PipingSoilProfile soilProfile = builder.Build();

            // Assert
            Assert.AreEqual(profileName, soilProfile.Name);
            Assert.AreEqual(1, soilProfile.Layers.Count());
            Assert.AreEqual(top, soilProfile.Layers.ToArray()[0].Top);
            Assert.AreEqual(bottom, soilProfile.Bottom);
        }

        [Test]
        public void Build_WithMultipleLayers_ReturnsProfileWithBottomAndALayer()
        {
            // Setup
            var profileName = "SomeProfile";
            var random = new Random(22);
            var bottom = random.NextDouble();
            var top = random.NextDouble();
            var top2 = random.NextDouble();

            var builder = new SoilProfileBuilder1D(profileName, bottom);
            builder.Add(new PipingSoilLayer(top)
            {
                IsAquifer = true
            });
            builder.Add(new PipingSoilLayer(top2));

            // Call
            PipingSoilProfile soilProfile = builder.Build();

            // Assert
            Assert.AreEqual(profileName, soilProfile.Name);
            Assert.AreEqual(2, soilProfile.Layers.Count());
            CollectionAssert.AreEquivalent(new [] {top,top2}, soilProfile.Layers.Select(l => l.Top));
            Assert.AreEqual(bottom, soilProfile.Bottom);
        }
    }
}