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

namespace AndDietCokeTests.DataModelsTests;

[TestFixture]
internal class SaleDishDataModelTests
{
    [Test]
    public void SaleIdIsNullOrEmptyTest()
    {
        var saleDish = CreateDataModel(null, Guid.NewGuid().ToString(),
        10);
        Assert.That(() => saleDish.Validate(),
        Throws.TypeOf<ValidationException>());
        saleDish = CreateDataModel(string.Empty,
        Guid.NewGuid().ToString(), 10);
        Assert.That(() => saleDish.Validate(),
        Throws.TypeOf<ValidationException>());
    }
    [Test]
    public void SaleIdIsNotGuidTest()
    {
        var saleDish = CreateDataModel("saleId",
        Guid.NewGuid().ToString(), 10);
        Assert.That(() => saleDish.Validate(),
        Throws.TypeOf<ValidationException>());
    }
    [Test]
    public void DishIdIsNullOrEmptyTest()
    {
        var saleDish = CreateDataModel(Guid.NewGuid().ToString(), null,
        10);
        Assert.That(() => saleDish.Validate(),
        Throws.TypeOf<ValidationException>());
        saleDish = CreateDataModel(string.Empty,
        Guid.NewGuid().ToString(), 10);
        Assert.That(() => saleDish.Validate(),
        Throws.TypeOf<ValidationException>());
    }
    [Test]
    public void DishIdIsNotGuidTest()
    {
        var saleDish = CreateDataModel(Guid.NewGuid().ToString(),
        "dishId", 10);
        Assert.That(() => saleDish.Validate(),
        Throws.TypeOf<ValidationException>());
    }
    [Test]
    public void CountIsLessOrZeroTest()
    {
        var saleDish = CreateDataModel(Guid.NewGuid().ToString(),
        Guid.NewGuid().ToString(), 0);
        Assert.That(() => saleDish.Validate(),
        Throws.TypeOf<ValidationException>());
        saleDish = CreateDataModel(Guid.NewGuid().ToString(),
        Guid.NewGuid().ToString(), -10);
        Assert.That(() => saleDish.Validate(),
        Throws.TypeOf<ValidationException>());
    }
    [Test]
    public void AllFieldsIsCorrectTest()
    {
        var saleId = Guid.NewGuid().ToString();
        var dishId = Guid.NewGuid().ToString();
        var count = 10;
        var saleDish = CreateDataModel(saleId, dishId, count);
        Assert.That(() => saleDish.Validate(), Throws.Nothing);
        Assert.Multiple(() =>
        {
            Assert.That(saleDish.SaleId, Is.EqualTo(saleId));
            Assert.That(saleDish.DishId, Is.EqualTo(dishId));
            Assert.That(saleDish.Count, Is.EqualTo(count));
        });
    }
    private static SaleDishDataModel CreateDataModel(string? saleId, string? dishId, int count) =>
    new(saleId, dishId, count);

}