// Copyright (C) Stichting Deltares 2021. All rights reserved.
//
// This file is part of the application DAM - UI.
//
// DAM - UI 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 Deltares.Dam.Data;
using Deltares.Dam.Forms;
using Deltares.Standard.Reflection;
using NUnit.Framework;

namespace Deltares.Dam.Tests.Forms
{
    [TestFixture]
    public class DamContextTest
    {
        [Test]
        public void GetColumnNamedFilters_WithArgumentNotScenarioType_ReturnsNull()
        {
            // Setup
            var context = new DamContext();

            // Call
            var filter = context.GetColumnNamedFilters(typeof(object));

            // Assert
            Assert.IsNull(filter);
        }

        [Test]
        public void GetColumnNamedFilter_WithScenarioArgument_ReturnsExpectedKeys()
        {
            // Setup
            var context = new DamContext();

            // Call
            var columnNamedFilters = context.GetColumnNamedFilters(typeof(Scenario));

            // Assert
            CollectionAssert.AreEqual(new[]
            {
                "InsideStabilityScenarioCategory",
                "PipingScenarioCategory",
                "PlLineSchematizationScenarioCategory"
            }, columnNamedFilters);
        }

        [Test]
        [TestCaseSource(nameof(GetFilterOptions))]
        public void GetFilteredColumns_WithValidArgument_GetsFilteredColumnNames(string filterValue,
            IEnumerable<string> expectedColumnNames)
        {
            // Setup
            var context = new DamContext();

            // Call
            var filteredColumnNames = context.GetFilteredColumns(typeof(Scenario), filterValue);

            // Assert
            CollectionAssert.AreEquivalent(expectedColumnNames, filteredColumnNames);
        }

        [Test]
        [TestCaseSource(nameof(GetUnsupportedFilterArguments))]
        public void GetFilteredColumns_WithUnsupportedArguments_ReturnsNull(Type argumentType, string filterValue)
        {
            // Setup
            var context = new DamContext();

            // Call
            var filteredColumnNames = context.GetFilteredColumns(argumentType, filterValue);

            // Assert
           Assert.IsNull(filteredColumnNames);
        }

        private static IEnumerable<TestCaseData> GetFilterOptions()
        {
            yield return new TestCaseData("InsideStabilityScenarioCategory", new[]
                {
                    StaticReflection.GetMemberName<Scenario>(x => x.LocationScenarioID),
                    StaticReflection.GetMemberName<Scenario>(x => x.RiverLevel),
                    StaticReflection.GetMemberName<Scenario>(x => x.DikeTableHeight),
                    StaticReflection.GetMemberName<Scenario>(x => x.RequiredSafetyFactorStabilityInnerSlope),
                    StaticReflection.GetMemberName<Scenario>(x => x.HeadPl3),
                    StaticReflection.GetMemberName<Scenario>(x => x.HeadPl4),
                    StaticReflection.GetMemberName<Scenario>(x => x.PolderLevel),
                    StaticReflection.GetMemberName<Scenario>(x => x.HeadPl2)
                })
                .SetName("InsideStabilityScenarioCategory");

            yield return new TestCaseData("PipingScenarioCategory", new[]
                {
                    StaticReflection.GetMemberName<Scenario>(x => x.LocationScenarioID),
                    StaticReflection.GetMemberName<Scenario>(x => x.RiverLevel),
                    StaticReflection.GetMemberName<Scenario>(x => x.DikeTableHeight),
                    StaticReflection.GetMemberName<Scenario>(x => x.RequiredSafetyFactorPiping),
                    StaticReflection.GetMemberName<Scenario>(x => x.HeadPl3),
                    StaticReflection.GetMemberName<Scenario>(x => x.HeadPl4),
                    StaticReflection.GetMemberName<Scenario>(x => x.PolderLevel),
                    StaticReflection.GetMemberName<Scenario>(x => x.HeadPl2)
                })
                .SetName("PipingScenarioCategory");

            yield return new TestCaseData("PlLineSchematizationScenarioCategory", new[]
                {
                    StaticReflection.GetMemberName<Scenario>(x => x.LocationScenarioID),
                    StaticReflection.GetMemberName<Scenario>(x => x.RiverLevel),
                    StaticReflection.GetMemberName<Scenario>(x => x.PlLineOffsetBelowDikeTopAtRiver),
                    StaticReflection.GetMemberName<Scenario>(x => x.PlLineOffsetBelowDikeTopAtPolder),
                    StaticReflection.GetMemberName<Scenario>(x => x.PlLineOffsetBelowShoulderBaseInside),
                    StaticReflection.GetMemberName<Scenario>(x => x.PlLineOffsetBelowDikeToeAtPolder),
                    StaticReflection.GetMemberName<Scenario>(x => x.PlLineOffsetBelowDikeCrestMiddle),
                    StaticReflection.GetMemberName<Scenario>(x => x.PlLineOffsetFactorBelowShoulderCrest),
                    StaticReflection.GetMemberName<Scenario>(x => x.UsePlLineOffsetBelowDikeCrestMiddle),
                    StaticReflection.GetMemberName<Scenario>(x => x.UsePlLineOffsetFactorBelowShoulderCrest),
                    StaticReflection.GetMemberName<Scenario>(x => x.PolderLevel)
                })
                .SetName("PlLineSchematizationScenarioCategory");
        }

        private static IEnumerable<TestCaseData> GetUnsupportedFilterArguments()
        {
            yield return new TestCaseData(typeof(object), "PlLineSchematizationScenarioCategory")
                .SetName("Unsupported type");

            yield return new TestCaseData(typeof(Scenario), string.Empty)
                .SetName("Unsupported value");
        }
    }
}