using ElectricalRepairServiceContract.DataModels;
using ElectricalRepairServiceContract.Exceptions;


namespace ElectricalRepairServiceTests.DataModelsTests
{
    [TestFixture]
    internal class DetailsUseDataModelTest
    {
        [Test]
        public void DetailsIdIsNullOrEmptyTest()
        {
            var detailsUse = CreateDataModel(null, Guid.NewGuid().ToString(), 1);
            Assert.That(() => detailsUse.Validate(), Throws.TypeOf<ValidationException>());

            detailsUse = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 1);
            Assert.That(() => detailsUse.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void DetailsIdIsNotGuidTest()
        {
            var detailsUse = CreateDataModel("invalid-id", Guid.NewGuid().ToString(), 1);
            Assert.That(() => detailsUse.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void RequestIdIsNullOrEmptyTest()
        {
            var detailsUse = CreateDataModel(Guid.NewGuid().ToString(), null, 1);
            Assert.That(() => detailsUse.Validate(), Throws.TypeOf<ValidationException>());

            detailsUse = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, 1);
            Assert.That(() => detailsUse.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void RequestIdIsNotGuidTest()
        {
            var detailsUse = CreateDataModel(Guid.NewGuid().ToString(), "invalid-id", 1);
            Assert.That(() => detailsUse.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void CountIsZeroOrNegativeTest()
        {
            var detailsUse = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -1);
            Assert.That(() => detailsUse.Validate(), Throws.TypeOf<ValidationException>());

            detailsUse = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0);
            Assert.That(() => detailsUse.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void AllFieldsCorrectTest()
        {
            var detailsId = Guid.NewGuid().ToString();
            var requestId = Guid.NewGuid().ToString();
            var count = 10;

            var detailsUse = CreateDataModel(detailsId, requestId, count);

            Assert.That(detailsUse.DetailsId, Is.EqualTo(detailsId));
            Assert.That(detailsUse.RequestId, Is.EqualTo(requestId));
            Assert.That(detailsUse.Count, Is.EqualTo(count));
        }

        private DetailsUseDataModel CreateDataModel(string detailsId, string requestId, int count)
            => new DetailsUseDataModel(detailsId, requestId, count);
    }
}