using FluentAssertions;
using NUnit.Framework;
using Strata.ContinuousImprovement.Biz.Utilities;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static Org.BouncyCastle.Math.EC.ECCurve;

namespace Strata.ContinuousImprovement.Biz.Test.Unit.UtilitiesTests
{
    [TestFixture, Category("Unit")]
    public  class DateExtensionsTest
    {
        [TestCaseSource(nameof(GetStartOrEndDateOfYearPeriodCases))]
        public void TestGetStartOrEndDateOfYearPeriod(DateTime dateSource, DateTime dateExpected, int yearDiff)
        {
            var dateActual = dateSource.GetStartOrEndDateOfYearPeriod(yearDiff);
            dateActual.Should().Be(dateExpected);
        }

        public static IEnumerable<TestCaseData> GetStartOrEndDateOfYearPeriodCases()
        {
            yield return new TestCaseData(new DateTime(2024, 2, 29), new DateTime(2023, 3, 1), -1);
            yield return new TestCaseData(new DateTime(2025, 2, 28), new DateTime(2024, 3, 1), -1);
            yield return new TestCaseData(new DateTime(2023, 3, 1), new DateTime(2024, 2, 29), 1);
            yield return new TestCaseData(new DateTime(2024, 3, 1), new DateTime(2025, 2, 28), 1);
        }
    }
}