using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TwoFromTheCasketContratcs.DataModels;
using TwoFromTheCasketContratcs.Exceptions;

namespace TwoFromTheCasketTest.DataModelsTest;

[TestFixture]
public class SaleServiceDataModelTests
{
    [Test]
    public void SaleIdIsNullOrEmptyTest()
    {
        var saleService = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 5);
        Assert.That(() => saleService.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void SaleIdIsNotGuidTest()
    {
        var saleService = CreateDataModel("invalid-guid", Guid.NewGuid().ToString(), 5);
        Assert.That(() => saleService.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void ServiceIdIsNullOrEmptyTest()
    {
        var saleService = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, 5);
        Assert.That(() => saleService.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void ServiceIdIsNotGuidTest()
    {
        var saleService = CreateDataModel(Guid.NewGuid().ToString(), "invalid-guid", 5);
        Assert.That(() => saleService.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void CountIsLessOrEqualToZeroTest()
    {
        var saleService = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0);
        Assert.That(() => saleService.Validate(), Throws.TypeOf<ValidationException>());

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

    [Test]
    public void AllFieldsAreCorrectTest()
    {
        var saleId = Guid.NewGuid().ToString();
        var serviceId = Guid.NewGuid().ToString();
        var count = 5;

        var saleService = CreateDataModel(saleId, serviceId, count);

        Assert.That(() => saleService.Validate(), Throws.Nothing);

        Assert.Multiple(() =>
        {
            Assert.That(saleService.SaleId, Is.EqualTo(saleId));
            Assert.That(saleService.ServiceId, Is.EqualTo(serviceId));
            Assert.That(saleService.Count, Is.EqualTo(count));
        });
    }

    private static SaleServiceDataModel CreateDataModel(string saleId, string serviceId, int count)
    {
        return new SaleServiceDataModel(saleId, serviceId, count);
    }
}