using Grand.Business.Core.Interfaces.Checkout.CheckoutAttributes;
using Grand.Business.Checkout.Services.CheckoutAttributes;
using Grand.Domain.Data;
using Grand.Domain.Orders;
using Grand.Infrastructure;
using Grand.Infrastructure.Caching;
using Grand.Infrastructure.Events;
using MediatR;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Moq;

namespace Grand.Business.Checkout.Tests.Services.CheckoutAttributes
{
    [TestClass]
    public class CheckoutAttributeServiceTests
    {
        private Mock<ICacheBase> _cacheMock;
        private Mock<IRepository<CheckoutAttribute>> _repositoryMock;
        private Mock<IMediator> _mediatorMock;
        private Mock<IWorkContext> _workContextMock;
        private ICheckoutAttributeService _service;

        [TestInitialize]
        public void Init()
        {
            _cacheMock = new Mock<ICacheBase>();
            _repositoryMock = new Mock<IRepository<CheckoutAttribute>>();
            _mediatorMock = new Mock<IMediator>();
            _workContextMock = new Mock<IWorkContext>();
            _service = new CheckoutAttributeService(_cacheMock.Object, _repositoryMock.Object, _mediatorMock.Object, _workContextMock.Object);
        }

        [TestMethod]
        public async Task InsertCheckoutAttribute_InvokeExpectedMethods()
        {
            await _service.InsertCheckoutAttribute(new CheckoutAttribute());
            _repositoryMock.Verify(c => c.InsertAsync(It.IsAny<CheckoutAttribute>()), Times.Once);
            _cacheMock.Verify(c => c.RemoveByPrefix(It.IsAny<string>(), It.IsAny<bool>()), Times.AtLeast(1));
            _mediatorMock.Verify(c => c.Publish(It.IsAny<EntityInserted<CheckoutAttribute>>(), default(CancellationToken)), Times.Once);
        }

        [TestMethod]
        public void InsertCheckoutAttribute_NullArgument_ThrowException()
        {
            Assert.ThrowsExceptionAsync<ArgumentNullException>(async () => await _service.InsertCheckoutAttribute(null));
        }

        [TestMethod]
        public async Task UpdateCheckoutAttribute_InvokeExpectedMethods()
        {
            await _service.UpdateCheckoutAttribute(new CheckoutAttribute());
            _repositoryMock.Verify(c => c.UpdateAsync(It.IsAny<CheckoutAttribute>()), Times.Once);
            _cacheMock.Verify(c => c.RemoveByPrefix(It.IsAny<string>(), It.IsAny<bool>()), Times.AtLeast(1));
            _mediatorMock.Verify(c => c.Publish(It.IsAny<EntityUpdated<CheckoutAttribute>>(), default(CancellationToken)), Times.Once);
        }

        [TestMethod]
        public void UpdateCheckoutAttribute_NullArgument_ThrowException()
        {
            Assert.ThrowsExceptionAsync<ArgumentNullException>(async () => await _service.UpdateCheckoutAttribute(null));
        }

        [TestMethod]
        public async Task DeleteCheckoutAttribute_InvokeExpectedMethods()
        {
            await _service.DeleteCheckoutAttribute(new CheckoutAttribute());
            _repositoryMock.Verify(c => c.DeleteAsync(It.IsAny<CheckoutAttribute>()), Times.Once);
            _cacheMock.Verify(c => c.RemoveByPrefix(It.IsAny<string>(), It.IsAny<bool>()), Times.AtLeast(1));
            _mediatorMock.Verify(c => c.Publish(It.IsAny<EntityDeleted<CheckoutAttribute>>(), default(CancellationToken)), Times.Once);
        }

        [TestMethod]
        public void DeleteCheckoutAttribute_NullArgument_ThrowException()
        {
            Assert.ThrowsExceptionAsync<ArgumentNullException>(async () => await _service.DeleteCheckoutAttribute(null));
        }
    }
}
