// Copyright (C) Stichting Deltares 2017. All rights reserved.
//
// This file is part of Ringtoets.
//
// Ringtoets is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// All names, logos, and references to "Deltares" are registered trademarks of
// Stichting Deltares and remain full property of Stichting Deltares at all times.
// All rights reserved.

using System;
using System.Collections.Generic;
using System.Linq;
using Core.Common.Base.Geometry;
using NUnit.Framework;
using Ringtoets.MacroStabilityInwards.Primitives.TestUtil;

namespace Ringtoets.MacroStabilityInwards.Primitives.Test
{
    public class MacroStabilityInwardsWaternetLineTest
    {
        [Test]
        public void Constructor_NameNull_ThrowsArgumentNullException()
        {
            // Call
            TestDelegate call = () => new MacroStabilityInwardsWaternetLine(null, new List<Point2D>(), new TestMacroStabilityInwardsPhreaticLine());

            // Assert
            var exception = Assert.Throws<ArgumentNullException>(call);
            Assert.AreEqual("name", exception.ParamName);
        }

        [Test]
        public void Constructor_GeometryNull_ThrowsArgumentNullException()
        {
            // Call
            TestDelegate call = () => new MacroStabilityInwardsWaternetLine("name", null, new TestMacroStabilityInwardsPhreaticLine());

            // Assert
            var exception = Assert.Throws<ArgumentNullException>(call);
            Assert.AreEqual("geometry", exception.ParamName);
        }

        [Test]
        public void Constructor_PhreaticLineNull_ThrowsArgumentNullException()
        {
            // Call
            TestDelegate call = () => new MacroStabilityInwardsWaternetLine("name", new List<Point2D>(), null);

            // Assert
            var exception = Assert.Throws<ArgumentNullException>(call);
            Assert.AreEqual("phreaticLine", exception.ParamName);
        }

        [Test]
        public void Constructor_ExpectedValues()
        {
            // Setup
            const string waternetLineName = "<some name>";
            const string phreaticLineName = "PL1";
            var geometry = new List<Point2D>
            {
                new Point2D(0.0, 0.0),
                new Point2D(15.0, 15.0)
            };

            // Call
            var waternetLine = new MacroStabilityInwardsWaternetLine(waternetLineName,
                                                                     geometry,
                                                                     new MacroStabilityInwardsPhreaticLine(phreaticLineName, Enumerable.Empty<Point2D>()));

            // Assert
            Assert.AreEqual(waternetLineName, waternetLine.Name);
            CollectionAssert.AreEqual(new List<Point2D>
            {
                new Point2D(0.0, 0.0),
                new Point2D(15.0, 15.0)
            }, waternetLine.Geometry);
            Assert.AreEqual(phreaticLineName, waternetLine.PhreaticLine.Name);
            CollectionAssert.IsEmpty(waternetLine.PhreaticLine.Geometry);
        }

        [Test]
        [TestCase(null)]
        [TestCase("string")]
        public void Equals_ToDifferentTypeOrNull_ReturnsFalse(object other)
        {
            // Setup
            MacroStabilityInwardsWaternetLine waternetLine = CreateWaternetLine();

            // Call
            bool isEqualToDifferentObject = waternetLine.Equals(other);

            // Assert
            Assert.IsFalse(isEqualToDifferentObject);
        }

        [Test]
        public void Equals_AllPropertiesEqual_ReturnsTrue()
        {
            // Setup
            MacroStabilityInwardsWaternetLine waternetLineX = CreateWaternetLine();
            MacroStabilityInwardsWaternetLine waternetLineY = CreateWaternetLine();

            // Call
            bool isXEqualToY = waternetLineX.Equals(waternetLineY);
            bool isYEqualToZ = waternetLineY.Equals(waternetLineX);

            // Assert
            Assert.IsTrue(isXEqualToY);
            Assert.IsTrue(isYEqualToZ);
        }

        [Test]
        [TestCaseSource(nameof(GetWaternetLineCombinations))]
        public void Equals_DifferentProperty_ReturnsFalse(MacroStabilityInwardsWaternetLine waternetLine,
                                                          MacroStabilityInwardsWaternetLine otherWaternetLine)
        {
            // Call
            bool isWaternetLineEqualToOther = waternetLine.Equals(otherWaternetLine);
            bool isOtherEqualToWaternetLine = otherWaternetLine.Equals(waternetLine);

            // Assert
            Assert.IsFalse(isWaternetLineEqualToOther);
            Assert.IsFalse(isOtherEqualToWaternetLine);
        }

        [Test]
        public void GetHashCode_EqualWaternetLines_ReturnsSameHashCode()
        {
            // Setup
            MacroStabilityInwardsWaternetLine waternetLineX = CreateWaternetLine();
            MacroStabilityInwardsWaternetLine waternetLineY = CreateWaternetLine();

            // Call
            int hashCodeOne = waternetLineX.GetHashCode();
            int hashCodeTwo = waternetLineY.GetHashCode();

            // Assert
            Assert.AreEqual(hashCodeOne, hashCodeTwo);
        }

        private static IEnumerable<TestCaseData> GetWaternetLineCombinations()
        {
            yield return new TestCaseData(CreateWaternetLine(),
                                          new MacroStabilityInwardsWaternetLine("Other name", new[]
                                          {
                                              new Point2D(0, 0),
                                              new Point2D(1, 1)
                                          }, new TestMacroStabilityInwardsPhreaticLine())).SetName("Other name");

            yield return new TestCaseData(CreateWaternetLine(),
                                          new MacroStabilityInwardsWaternetLine("Test", new[]
                                          {
                                              new Point2D(0, 0),
                                              new Point2D(1, 1),
                                              new Point2D(1, 1)
                                          }, new TestMacroStabilityInwardsPhreaticLine())).SetName("Geometry not same length");

            yield return new TestCaseData(CreateWaternetLine(),
                                          new MacroStabilityInwardsWaternetLine("Test", new[]
                                          {
                                              new Point2D(0, 0),
                                              new Point2D(2, 2)
                                          }, new TestMacroStabilityInwardsPhreaticLine())).SetName("Geometry not same coordinates");

            yield return new TestCaseData(CreateWaternetLine(),
                                          new MacroStabilityInwardsWaternetLine("Test", new[]
                                          {
                                              new Point2D(0, 0),
                                              new Point2D(1, 1)
                                          }, new MacroStabilityInwardsPhreaticLine(
                                              "Test",
                                              new[]
                                              {
                                                  new Point2D(0, 0)
                                              }))).SetName("Other phreatic line");
        }

        private static MacroStabilityInwardsWaternetLine CreateWaternetLine()
        {
            return new MacroStabilityInwardsWaternetLine(
                "Test",
                new[]
                {
                    new Point2D(0, 0),
                    new Point2D(1, 1)
                },
                new TestMacroStabilityInwardsPhreaticLine());
        }
    }
}