using TwoFromTheCaseContracts.DataModels;
using TwoFromTheCaseContracts.Exceptions;

namespace TwoFromTheCaseTests.DataModelsTests;

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

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

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

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

    [Test]
    public void PhoneNumberIsIncorrectTest()
    {
        var customer = CreateDataModel(Guid.NewGuid().ToString(), "name", "777");
        Assert.That(() => customer.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void AllFieldsIsCorrectTest()
    {
        var customerId = Guid.NewGuid().ToString();
        var name = "Name";
        var phoneNumber = "+77777777777";
        var customer = CreateDataModel(customerId, name, phoneNumber);
        Assert.That(() => customer.Validate(), Throws.Nothing);
        Assert.Multiple(() =>
        {
            Assert.That(customer.Id, Is.EqualTo(customerId));
            Assert.That(customer.Name, Is.EqualTo(name));
            Assert.That(customer.PhoneNumber, Is.EqualTo(phoneNumber));
        });
    }

    private static CustomerDataModel CreateDataModel(string? id, string? name, string? phoneNumber) =>
        new(id, name, phoneNumber);
}