using TwoFromTheCaseContracts.DataModels;
using TwoFromTheCaseContracts.Exceptions;

namespace TwoFromTheCaseTests.DataModelsTests;

[TestFixture]
class WorkHistoryDataModelTests
{
    [Test]
    public void WorkIdIsNullOrEmptyTest()
    {
        var work = CreateDataModel(null, 10);
        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
        work = CreateDataModel(string.Empty, 10);
        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void WorkIdIsNotGuidTest()
    {
        var work = CreateDataModel("id", 10);
        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void OldPriceIsLessOrZeroTest()
    {
        var work = CreateDataModel(Guid.NewGuid().ToString(), 0);
        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
        work = CreateDataModel(Guid.NewGuid().ToString(), -10);
        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void AllFieldsIsCorrectTest()
    {
        var workId = Guid.NewGuid().ToString();
        var oldPrice = 10;
        var workHistory = CreateDataModel(workId, oldPrice);
        Assert.That(() => workHistory.Validate(), Throws.Nothing);
        Assert.Multiple(() =>
        {
            Assert.That(workHistory.WorkId, Is.EqualTo(workId));
            Assert.That(workHistory.OldPrice, Is.EqualTo(oldPrice));
            Assert.That(workHistory.ChangeDate, Is.LessThan(DateTime.UtcNow));
            Assert.That(workHistory.ChangeDate, Is.GreaterThan(DateTime.UtcNow.AddMinutes(-1)));
        });
    }

    private static WorkHistoryDataModel CreateDataModel(string? workId, double oldPrice) =>
        new(workId, oldPrice);
}