//-----------------------------------------------------------------------
// <copyright file="PLLine.cs" company="Deltares">
//  Copyright (c) 2009 Deltares. All rights reserved.
// </copyright>
// <author>B.S.T.I.M. The</author>
// <email>tom.the@deltares.nl</email>
// <date>18-05-2009</date>
// <summary>Contains tests for class Deltares.Dam.Data.PLLine</summary>
//-----------------------------------------------------------------------
using System.Linq;
using Deltares.Geometry;

namespace Deltares.Dam.Tests
{
    using NUnit.Framework;
    using Deltares.Dam.Data;

    [TestFixture]
    public class PLLineTest
    {
        [TestFixtureSetUp]
        public void TestFixtureSetup()
        {
        }

        [SetUp]
        public void TestSetup()
        {
        }

        [Test]
        public void TestCreate()
        {
            PLLine plLine = new PLLine();

            Assert.IsNotNull(plLine);
        }
        [Test]
        public void TestPointEqualsWithTolerance()
        {
            var plLinePoint1 = new PLLinePoint(1.1, 2.1);
            var plLinePoint2 = new PLLinePoint(1.1, 2.100001);
            Assert.IsTrue(plLinePoint2.LocationEquals(plLinePoint1, 0.0001));
            Assert.IsFalse(plLinePoint2.LocationEquals(plLinePoint1, 0.0000001));
        }

        [Test]
        public void GetPointSegmentBetweenReturnsCorrectPoints()
        {
            var surfaceLine = new PLLine();
            surfaceLine.Points.Add(new PLLinePoint() { X = 0.4, Z = 0.9 });
            surfaceLine.Points.Add(new PLLinePoint() { X = 1, Z = 1 });
            surfaceLine.Points.Add(new PLLinePoint() { X = 2, Z = 3 });
            surfaceLine.Points.Add(new PLLinePoint() { X = 4, Z = 5 });
            surfaceLine.Points.Add(new PLLinePoint() { X = 10, Z = 12 });
            surfaceLine.Points.Add(new PLLinePoint() { X = 13, Z = 13 });

            var result = surfaceLine.GetPointSegmentBetween(0.4, 13);
            Assert.AreEqual(4, result.Count());

            result = surfaceLine.GetPointSegmentBetween(0.6, 11);
            Assert.AreEqual(4, result.Count());

            result = surfaceLine.GetPointSegmentBetween(10, 10);
            Assert.AreEqual(0, result.Count());

            result = surfaceLine.GetPointSegmentBetween(15, 16);
            Assert.AreEqual(0, result.Count());
        }

        [Test]
        public void TestPositionXzOfPointRelatedToPLLine()
        {
            var plLine = new PLLine();
            plLine.Points.Add(new PLLinePoint() { X = 0.0, Z = 0.0 });
            plLine.Points.Add(new PLLinePoint() { X = 10, Z = 0.0 });

            var pointAbove = new GeometryPoint(1, 0, 1);
            Assert.IsTrue(plLine.PositionXzOfPointRelatedToPLLine(pointAbove) == PLLinePointPositionXzType.AbovePLLine);

            var pointBelow = new GeometryPoint(1, 0, -1);
            Assert.IsTrue(plLine.PositionXzOfPointRelatedToPLLine(pointBelow) == PLLinePointPositionXzType.BelowPLLine);

            var pointOn = new GeometryPoint(1, 0, 0);
            Assert.IsTrue(plLine.PositionXzOfPointRelatedToPLLine(pointOn) == PLLinePointPositionXzType.OnPLLine);

            var pointAboveBeyond = new GeometryPoint(100, 0, 1);
            Assert.IsTrue(plLine.PositionXzOfPointRelatedToPLLine(pointAboveBeyond) == PLLinePointPositionXzType.BeyondPLLine);

            var pointBelowBeyond = new GeometryPoint(100, 0, -1);
            Assert.IsTrue(plLine.PositionXzOfPointRelatedToPLLine(pointBelowBeyond) == PLLinePointPositionXzType.BeyondPLLine);

            var pointOnBeyond = new GeometryPoint(100, 0, 0);
            Assert.IsTrue(plLine.PositionXzOfPointRelatedToPLLine(pointOnBeyond) == PLLinePointPositionXzType.BeyondPLLine);
        }
    }
}