using SPiluSZharuContracts.DataModels;
using SPiluSZharuContracts.Exceptions;

namespace SPiluSZharuTests.DataModelsTests;

[TestFixture]
internal class RestaurantDataModelTests
{
    [Test]
    public void IdIsNullOrEmptyTest()
    {
        var restaurant = CreateDataModel(null, "name");
        Assert.That(() => restaurant.Validate(), Throws.TypeOf<ValidationException>());
        restaurant = CreateDataModel(string.Empty, "name");
        Assert.That(() => restaurant.Validate(), Throws.TypeOf<ValidationException>());
    }

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

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

    [Test]
    public void AllFieldsIsCorrectTest()
    {
        var restaurantId = Guid.NewGuid().ToString();
        var restaurantName = "name";
        var prevRestaurantName = "prevRestaurantName";
        var prevPrevRestaurantName = "prevPrevRestaurantName";
        var restaurant = CreateDataModel(restaurantId, restaurantName, prevRestaurantName, prevPrevRestaurantName);
        Assert.That(() => restaurant.Validate(), Throws.Nothing);
        Assert.Multiple(() =>
        {
            Assert.That(restaurant.Id, Is.EqualTo(restaurantId));
            Assert.That(restaurant.RestaurantName, Is.EqualTo(restaurantName));
            Assert.That(restaurant.PrevRestaurantName, Is.EqualTo(prevRestaurantName));
            Assert.That(restaurant.PrevPrevRestaurantName, Is.EqualTo(prevPrevRestaurantName));
        });
    }


    private static RestaurantDataModel CreateDataModel(string? Id, string? restaurantName, string? prevRestaurantName = null, string? prevPrevRestaurantName = null) =>
      new(Id, restaurantName, prevRestaurantName, prevPrevRestaurantName);
}