// Copyright (C) Stichting Deltares 2018. 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 Lesser 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser 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.ComponentModel;
using System.Drawing;
using System.Linq;
using Core.Common.Base;
using Core.Common.Gui.Converters;
using Core.Common.TestUtil;
using Core.Components.Gis.Data;
using Core.Components.Gis.Features;
using Core.Components.Gis.Geometries;
using Core.Components.Gis.Style;
using Core.Components.Gis.TestUtil;
using Core.Components.Gis.Theme;
using Core.Plugins.Map.PropertyClasses;
using Core.Plugins.Map.TestUtil;
using NUnit.Framework;
using Rhino.Mocks;

namespace Core.Plugins.Map.Test.PropertyClasses
{
    [TestFixture]
    public class MapPolygonDataPropertiesTest
    {
        private const int fillColorPropertyIndex = 6;
        private const int strokeColorPropertyIndex = 7;
        private const int strokeThicknessPropertyIndex = 8;

        private const int categoryThemesPropertyIndex = 6;

        [Test]
        public void Constructor_ExpectedValues()
        {
            // Setup
            var data = new MapPolygonData("test");

            // Call
            var properties = new MapPolygonDataProperties(data, Enumerable.Empty<MapDataCollection>());

            // Assert
            Assert.IsInstanceOf<FeatureBasedMapDataProperties<MapPolygonData>>(properties);
            Assert.AreSame(data, properties.Data);
            Assert.AreEqual("Polygonen", properties.Type);

            TestHelper.AssertTypeConverter<MapPolygonDataProperties, ColorTypeConverter>(
                nameof(MapPolygonDataProperties.FillColor));

            TestHelper.AssertTypeConverter<MapPolygonDataProperties, ColorTypeConverter>(
                nameof(MapPolygonDataProperties.StrokeColor));

            TestHelper.AssertTypeConverter<MapPolygonDataProperties, ExpandableArrayConverter>(
                nameof(MapPolygonDataProperties.CategoryThemes));
        }

        [Test]
        public void Constructor_MapPolygonDataWithoutMapTheme_PropertiesHaveExpectedAttributesValues()
        {
            // Setup
            var mapPolygonData = new MapPolygonData("Test")
            {
                Features = new[]
                {
                    new MapFeature(Enumerable.Empty<MapGeometry>())
                },
                ShowLabels = true
            };

            // Call
            var properties = new MapPolygonDataProperties(mapPolygonData, Enumerable.Empty<MapDataCollection>());

            // Assert
            PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
            Assert.AreEqual(9, dynamicProperties.Count);
            const string styleCategory = "Stijl";

            PropertyDescriptor colorProperty = dynamicProperties[fillColorPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(colorProperty,
                                                                            styleCategory,
                                                                            "Kleur",
                                                                            "De kleur van de vlakken waarmee deze kaartlaag wordt weergegeven.");

            PropertyDescriptor strokeColorProperty = dynamicProperties[strokeColorPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(strokeColorProperty,
                                                                            styleCategory,
                                                                            "Lijnkleur",
                                                                            "De kleur van de lijn van de vlakken waarmee deze kaartlaag wordt weergegeven.");

            PropertyDescriptor styleProperty = dynamicProperties[strokeThicknessPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(styleProperty,
                                                                            styleCategory,
                                                                            "Lijndikte",
                                                                            "De dikte van de lijn van de vlakken waarmee deze kaartlaag wordt weergegeven.");
        }

        [Test]
        public void Constructor_MapPolygonDataWithMapTheme_PropertiesHaveExpectedAttributesValues()
        {
            // Setup
            var mapPolygonData = new MapPolygonData("Test", new PolygonStyle(), CreateMapTheme())
            {
                Features = new[]
                {
                    new MapFeature(Enumerable.Empty<MapGeometry>())
                },
                ShowLabels = true
            };

            // Call
            var properties = new MapPolygonDataProperties(mapPolygonData, Enumerable.Empty<MapDataCollection>());

            // Assert
            PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
            Assert.AreEqual(7, dynamicProperties.Count);
            const string styleCategory = "Stijl";

            PropertyDescriptor categoryThemesProperty = dynamicProperties[categoryThemesPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(categoryThemesProperty,
                                                                            styleCategory,
                                                                            "Categorieën",
                                                                            string.Empty,
                                                                            true);
        }

        [Test]
        public void Constructor_WithoutMapTheme_ReturnCorrectPropertyValues()
        {
            // Setup
            Color fillColor = Color.Aqua;
            Color strokeColor = Color.Bisque;
            const int strokeThickness = 4;

            var mapPolygonData = new MapPolygonData("Test", new PolygonStyle
            {
                FillColor = fillColor,
                StrokeColor = strokeColor,
                StrokeThickness = strokeThickness
            });

            // Call
            var properties = new MapPolygonDataProperties(mapPolygonData, Enumerable.Empty<MapDataCollection>());

            // Assert
            Assert.AreEqual("Enkel symbool", properties.StyleType);

            Assert.AreEqual(mapPolygonData.ShowLabels, properties.ShowLabels);
            Assert.IsEmpty(properties.SelectedMetaDataAttribute.MetaDataAttribute);
            Assert.AreEqual(mapPolygonData.MetaData, properties.GetAvailableMetaDataAttributes());

            Assert.AreEqual(fillColor, properties.FillColor);
            Assert.AreEqual(strokeColor, properties.StrokeColor);
            Assert.AreEqual(strokeThickness, properties.StrokeThickness);

            CollectionAssert.IsEmpty(properties.CategoryThemes);
        }

        [Test]
        public void Constructor_WithMapTheme_ReturnCorrectPropertyValues()
        {
            // Setup
            const string attributeName = "Attribute";
            var categoryTheme = new PolygonCategoryTheme(ValueCriterionTestFactory.CreateValueCriterion(),
                                                         new PolygonStyle());
            var mapPolygonData = new MapPolygonData("Test",
                                                    new PolygonStyle(),
                                                    new MapTheme<PolygonCategoryTheme>(attributeName, new[]
                                                    {
                                                        categoryTheme
                                                    }));

            // Call
            var properties = new MapPolygonDataProperties(mapPolygonData, Enumerable.Empty<MapDataCollection>());

            // Assert
            Assert.AreEqual("Categorie", properties.StyleType);

            Assert.AreEqual(mapPolygonData.ShowLabels, properties.ShowLabels);
            Assert.IsEmpty(properties.SelectedMetaDataAttribute.MetaDataAttribute);
            Assert.AreEqual(mapPolygonData.MetaData, properties.GetAvailableMetaDataAttributes());

            Assert.AreEqual(1, properties.CategoryThemes.Length);
            PolygonCategoryThemeProperties pointCategoryThemeProperties = properties.CategoryThemes.First();
            Assert.AreSame(categoryTheme, pointCategoryThemeProperties.Data);
            ValueCriterionTestHelper.AssertValueCriterionFormatExpression(attributeName,
                                                                          categoryTheme.Criterion,
                                                                          pointCategoryThemeProperties.Criterion);
        }

        [Test]
        public void GivenMapPolygonDataPropertiesWithMapTheme_WhenCategoryThemePropertySet_ThenMapDataNotified()
        {
            // Given
            var random = new Random(21);

            var mocks = new MockRepository();
            var observer = mocks.StrictMock<IObserver>();
            observer.Expect(o => o.UpdateObserver());
            mocks.ReplayAll();

            var mapPolygonData = new MapPolygonData("Test",
                                                    new PolygonStyle(),
                                                    new MapTheme<PolygonCategoryTheme>("Attribute", new[]
                                                    {
                                                        new PolygonCategoryTheme(ValueCriterionTestFactory.CreateValueCriterion(), new PolygonStyle())
                                                    }));
            mapPolygonData.Attach(observer);

            var properties = new MapPolygonDataProperties(mapPolygonData, Enumerable.Empty<MapDataCollection>());

            // When
            PolygonCategoryThemeProperties categoryThemeProperties = properties.CategoryThemes.First();
            categoryThemeProperties.StrokeThickness = random.Next(1, 48);

            // Then
            mocks.VerifyAll();
        }

        [Test]
        public void SetProperties_IndividualProperties_UpdateDataAndNotifyObservers()
        {
            // Setup
            const int numberOfChangedProperties = 3;
            var mocks = new MockRepository();
            var observer = mocks.StrictMock<IObserver>();
            observer.Expect(o => o.UpdateObserver()).Repeat.Times(numberOfChangedProperties);
            mocks.ReplayAll();

            var mapPolygonData = new MapPolygonData("Test", new PolygonStyle
            {
                FillColor = Color.AliceBlue,
                StrokeColor = Color.Blue,
                StrokeThickness = 3
            });

            mapPolygonData.Attach(observer);

            var properties = new MapPolygonDataProperties(mapPolygonData, Enumerable.Empty<MapDataCollection>());

            Color newFillColor = Color.Blue;
            Color newStrokeColor = Color.Red;
            const int newStrokeThickness = 6;

            // Call
            properties.FillColor = newFillColor;
            properties.StrokeColor = newStrokeColor;
            properties.StrokeThickness = newStrokeThickness;

            // Assert
            Assert.AreEqual(newFillColor, mapPolygonData.Style.FillColor);
            Assert.AreEqual(newStrokeColor, mapPolygonData.Style.StrokeColor);
            Assert.AreEqual(newStrokeThickness, mapPolygonData.Style.StrokeThickness);
            mocks.VerifyAll();
        }

        [Test]
        [TestCase(true)]
        [TestCase(false)]
        public void DynamicReadOnlyValidator_MapHasMetaData_ReturnsExpectedValuesForRelevantProperties(bool hasMetaData)
        {
            // Setup
            var feature = new MapFeature(Enumerable.Empty<MapGeometry>());
            if (hasMetaData)
            {
                feature.MetaData["key"] = "value";
            }

            var mapData = new MapPolygonData("Test")
            {
                Features = new[]
                {
                    feature
                }
            };

            var properties = new MapPolygonDataProperties(mapData, Enumerable.Empty<MapDataCollection>());

            // Call
            bool isShowLabelReadOnly = properties.DynamicReadonlyValidator(
                nameof(properties.ShowLabels));
            bool isSelectedMetaDataReadOnly = properties.DynamicReadonlyValidator(
                nameof(properties.SelectedMetaDataAttribute));

            // Assert
            Assert.AreNotEqual(hasMetaData, isShowLabelReadOnly);
            Assert.AreNotEqual(hasMetaData, isSelectedMetaDataReadOnly);
        }

        [Test]
        [TestCase(true)]
        [TestCase(false)]
        public void DynamicVisibleValidationMethod_ShowLabels_ReturnsExpectedValuesForRelevantProperties(bool showLabels)
        {
            // Setup
            var mapPolygonData = new MapPolygonData("Test")
            {
                ShowLabels = showLabels
            };

            var properties = new MapPolygonDataProperties(mapPolygonData, Enumerable.Empty<MapDataCollection>());

            // Call
            bool isSelectedMetaDataAttributeVisible = properties.DynamicVisibleValidationMethod(
                nameof(MapPolygonDataProperties.SelectedMetaDataAttribute));

            // Assert
            Assert.AreEqual(showLabels, isSelectedMetaDataAttributeVisible);
        }

        [Test]
        [TestCase(true)]
        [TestCase(false)]
        public void DynamicVisibleValidationMethod_MapPolygonDataWithMapTheme_ReturnsExpectedValuesForRelevantProperties(bool hasMapTheme)
        {
            // Setup
            MapPolygonData mapPolygonData = hasMapTheme
                                                ? new MapPolygonData("Test", new PolygonStyle(), CreateMapTheme())
                                                : new MapPolygonData("Test");

            var properties = new MapPolygonDataProperties(mapPolygonData, Enumerable.Empty<MapDataCollection>());

            // Call
            bool isCategoryThemesVisible = properties.DynamicVisibleValidationMethod(
                nameof(MapPolygonDataProperties.CategoryThemes));
            bool isFillColorVisible = properties.DynamicVisibleValidationMethod(
                nameof(MapPolygonDataProperties.FillColor));
            bool isStrokeColorVisible = properties.DynamicVisibleValidationMethod(
                nameof(MapPolygonDataProperties.StrokeColor));
            bool isStrokeThicknessVisible = properties.DynamicVisibleValidationMethod(
                nameof(MapPolygonDataProperties.StrokeThickness));

            // Assert
            Assert.AreEqual(hasMapTheme, isCategoryThemesVisible);
            Assert.AreNotEqual(hasMapTheme, isFillColorVisible);
            Assert.AreNotEqual(hasMapTheme, isStrokeColorVisible);
            Assert.AreNotEqual(hasMapTheme, isStrokeThicknessVisible);
        }

        [Test]
        public void DynamicVisibleValidationMethod_AnyOtherProperty_ReturnsTrue()
        {
            // Setup
            var mapPolygonData = new MapPolygonData("Test", new PolygonStyle(), CreateMapTheme())
            {
                Features = new[]
                {
                    new MapFeature(Enumerable.Empty<MapGeometry>())
                },
                ShowLabels = true
            };

            var properties = new MapPolygonDataProperties(mapPolygonData, Enumerable.Empty<MapDataCollection>());

            // Call
            bool isOtherPropertyVisible = properties.DynamicVisibleValidationMethod(string.Empty);

            // Assert
            Assert.IsFalse(isOtherPropertyVisible);
        }

        private static MapTheme<PolygonCategoryTheme> CreateMapTheme()
        {
            return new MapTheme<PolygonCategoryTheme>("Attribute", new[]
            {
                new PolygonCategoryTheme(ValueCriterionTestFactory.CreateValueCriterion(), new PolygonStyle())
            });
        }
    }
}