// Copyright (C) Stichting Deltares 2016. 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.ComponentModel;
using Core.Common.Base;
using Core.Common.Base.Data;
using Core.Common.TestUtil;
using NUnit.Framework;
using Rhino.Mocks;
using Ringtoets.Common.Data.Probabilistics;
using Ringtoets.Common.Forms.PropertyClasses;

namespace Ringtoets.Common.Forms.Test.PropertyClasses
{
    [TestFixture]
    public class TruncatedNormalDistributionPropertiesTest
    {
        [Test]
        public void Constructor_WithDistribution_ExpectedValues()
        {
            // Setup
            var distribution = new TruncatedNormalDistribution(new Random(21).Next(3, RoundedDouble.MaximumNumberOfDecimalPlaces));

            // Call
            var properties = new TruncatedNormalDistributionProperties(distribution);

            // Assert
            Assert.IsInstanceOf<DistributionPropertiesBase<TruncatedNormalDistribution>>(properties);
            Assert.AreSame(distribution, properties.Data);
            Assert.AreEqual("Normaal (afgekapt)", properties.DistributionType);

            AssertPropertiesInState(properties, true, true);
        }

        [Test]
        public void Constructor_WithParameters_ExpectedValues()
        {
            // Setup
            var mocks = new MockRepository();
            var handler = mocks.Stub<IObservablePropertyChangeHandler>();
            mocks.ReplayAll();

            var distribution = new TruncatedNormalDistribution(new Random(21).Next(3, RoundedDouble.MaximumNumberOfDecimalPlaces));

            // Call
            var properties = new TruncatedNormalDistributionProperties(DistributionPropertiesReadOnly.None, distribution, handler);

            // Assert
            Assert.IsInstanceOf<DistributionPropertiesBase<TruncatedNormalDistribution>>(properties);
            Assert.AreSame(distribution, properties.Data);
            Assert.AreEqual("Normaal (afgekapt)", properties.DistributionType);

            AssertPropertiesInState(properties, false, false);

            mocks.VerifyAll();
        }

        private static void AssertPropertiesInState(TruncatedNormalDistributionProperties properties, bool meanReadOnly, bool deviationReadOnly)
        {
            // Assert
            PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
            Assert.AreEqual(5, dynamicProperties.Count);

            PropertyDescriptor distributionTypeProperty = dynamicProperties[0];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(distributionTypeProperty,
                                                                            "Misc",
                                                                            "Type verdeling",
                                                                            "Het soort kansverdeling waarin deze parameter gedefinieerd wordt.",
                                                                            true);

            PropertyDescriptor meanProperty = dynamicProperties[1];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(meanProperty,
                                                                            "Misc",
                                                                            "Verwachtingswaarde",
                                                                            "De gemiddelde waarde van de afgekapte normale verdeling.",
                                                                            meanReadOnly);

            PropertyDescriptor standardProperty = dynamicProperties[2];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(standardProperty,
                                                                            "Misc",
                                                                            "Standaardafwijking",
                                                                            "De standaardafwijking van de afgekapte normale verdeling.",
                                                                            deviationReadOnly);

            PropertyDescriptor lowerBoundaryProperty = dynamicProperties[3];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(lowerBoundaryProperty,
                                                                            "Misc",
                                                                            "Ondergrens",
                                                                            "De ondergrens van de afgekapte normale verdeling.",
                                                                            true);

            PropertyDescriptor upperBoundaryProperty = dynamicProperties[4];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(upperBoundaryProperty,
                                                                            "Misc",
                                                                            "Bovengrens",
                                                                            "De bovengrens van de afgekapte normale verdeling.",
                                                                            true);
        }
    }
}