using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using HamContract.DataModels;

namespace HamTests.DataModelsTest;
[TestFixture]
internal class EmployeeDataModelTest
{
    [TestFixture]
    internal class WorkerDataModelTests
    {
        [Test]
        public void IdIsNullOrEmptyTest()
        {
            var employee = CreateDataModel(null, "name", "phone", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
            employee = CreateDataModel(string.Empty, "name", "phone", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void IdIsNotGuidTest()
        {
            var employee = CreateDataModel("id", "name", "phone", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void NameIsNullOrEmptyTest()
        {

            var employee = CreateDataModel(Guid.NewGuid().ToString(), "name", null, Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
            employee = CreateDataModel(Guid.NewGuid().ToString(), "name", string.Empty, Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void PhoneIsNullOrEmptyTest()
        {
            var employee = CreateDataModel(Guid.NewGuid().ToString(), null, "phone", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
            employee = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "phone", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void PhoneIsIncorrectTest()
        {
            var employee = CreateDataModel(Guid.NewGuid().ToString(), "name", "777", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void PostIdIsNullOrEmptyTest()
        {
            var employee = CreateDataModel(Guid.NewGuid().ToString(), "name", "number", null, DateTime.Now.AddYears(-18), DateTime.Now, false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
            employee = CreateDataModel(Guid.NewGuid().ToString(), "name", "number", string.Empty, DateTime.Now.AddYears(-18), DateTime.Now, false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void PostIdIsNotGuidTest()
        {
            var employee = CreateDataModel(Guid.NewGuid().ToString(), "name", "number", "postId", DateTime.Now.AddYears(-18), DateTime.Now, false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void BirthDateIsNotCorrectTest()
        {
            var employee = CreateDataModel(Guid.NewGuid().ToString(), "name", "number", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18).AddDays(1), DateTime.Now, false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void BirthDateAndEmploymentDateIsNotCorrectTest()
        {
            var employee = CreateDataModel(Guid.NewGuid().ToString(), "name", "number", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now.AddYears(-18).AddDays(-1), false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
            employee = CreateDataModel(Guid.NewGuid().ToString(), "name", "number", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now.AddYears(-16), false);
            Assert.That(() => employee.Validate(), Throws.TypeOf<ValidationException>());
        }

        [Test]
        public void AllFieldsIsCorrectTest()
        {
            var employeeId = Guid.NewGuid().ToString();
            var name = "name";
            var phone = "+7-777-777-77-77";
            var postId = Guid.NewGuid().ToString();
            var dateofbirth = DateTime.Now.AddYears(-18).AddDays(-1);
            var employmentDate = DateTime.Now;
            var isDelete = false;
            var employee = CreateDataModel(employeeId, name, phone, postId, dateofbirth, employmentDate, isDelete);
            Assert.That(() => employee.Validate(), Throws.Nothing);
            Assert.Multiple(() =>
            {
                Assert.That(employee.Id, Is.EqualTo(employeeId));
                Assert.That(employee.Name, Is.EqualTo(name));
                Assert.That(employee.Phone, Is.EqualTo(phone));
                Assert.That(employee.PostId, Is.EqualTo(postId));
                Assert.That(employee.Dateofbirth, Is.EqualTo(dateofbirth));
                Assert.That(employee.EmploymentDate, Is.EqualTo(employmentDate));
                Assert.That(employee.IsDeleted, Is.EqualTo(isDelete));
            });
        }
        private static EmployeeDataModel CreateDataModel(string? id, string? name, string? phone, string? postId, DateTime dateofbirth, DateTime employmentDate, bool isDeleted) =>
            new(id, name, phone, postId, dateofbirth, employmentDate, isDeleted);

    }
}