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

namespace ElectricalRepairServiceTests.DataModelsTests
{
    [TestFixture]
    internal class ClientDataModelTest
    {
        [Test]
        public void IdIsNullOrEmptyTest()
        {
            var client = CreateDataModel(null, "fio", "email");
            Assert.That(() => client.Validate(), Throws.TypeOf<ValidationException>());
            client = CreateDataModel(string.Empty, "fio", "email");
            Assert.That(() => client.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void IdIsNotGuid()
        {
            var client = CreateDataModel("id", "fio", "email");
            Assert.That(() => client.Validate(), Throws.TypeOf<ValidationException>());
        }

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

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

        [Test]
        public void EmailInvalid()
        {
            var client = CreateDataModel(Guid.NewGuid().ToString(), "fio", "null");
            Assert.That(() => client.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void AllFieldsCorrect()
        {
            var id = Guid.NewGuid().ToString();
            var fio = "fio";
            var email = "some@gmail.com";
            var client = CreateDataModel(id, fio, email);
            Assert.That(client.Id, Is.EqualTo(id));
            Assert.That(client.Name, Is.EqualTo(fio));
            Assert.That(client.Email, Is.EqualTo(email));
        }

        private ClientDataModel CreateDataModel(string id, string name, string email) 
            => new ClientDataModel(id, name, email);
    }
}