using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Moq;
using NUnit.Framework;
using LCU.Api.Internal.CoreApiWrapper.Controllers;
using LCU.Api.Internal.CoreApiWrapper.Services;
using LCU.Library.Internal.CoreApiWrapperModel.CoreModels.Associate;

namespace LCU.Api.Internal.CoreApiWrapperTest.Controllers
{
    public class AssociateControllerTest
    {
        private AssociateController _associateController;
        private Mock<IAssociateService> _mockAssociateService;

        [SetUp]
        public void SetUp()
        {
            _mockAssociateService = new Mock<IAssociateService>();
            _associateController = new AssociateController(_mockAssociateService.Object);
        }

        [Test]
        public async Task GetAssociateDetailsBySsn_OK()
        {
            var taxId = Guid.NewGuid().ToString();
            var associateDetails = new AssociateDetails()
            {
                PersonNumber = DateTime.Now.Millisecond
            };

            _mockAssociateService.Setup(x => x.GetAssociateDetailsBySsn(taxId))
                .ReturnsAsync(associateDetails).Verifiable();

            var result = await _associateController.GetAssociateDetailsBySsn(taxId);
            Assert.NotNull(result);
            var status = result as OkObjectResult;
            Assert.NotNull(status);
            Assert.AreEqual(200, status.StatusCode);

            var associateDetailsResult = status.Value as AssociateDetails;
            Assert.NotNull(associateDetails);
            Assert.AreEqual(associateDetails.PersonNumber, associateDetailsResult?.PersonNumber);
            _mockAssociateService.Verify();
        }

        [Test]
        public async Task GetAssociateDetailsBySsn_NoContent()
        {
            var taxId = Guid.NewGuid().ToString();
            AssociateDetails associateDetails = null;

            _mockAssociateService.Setup(x => x.GetAssociateDetailsBySsn(taxId))
                .ReturnsAsync(associateDetails).Verifiable();

            var result = await _associateController.GetAssociateDetailsBySsn(taxId);
            Assert.NotNull(result);
            var status = result as NoContentResult;
            Assert.NotNull(status);
            Assert.AreEqual(204, status.StatusCode);
            _mockAssociateService.Verify();
        }

        [Test]
        public async Task GetAssociateDetailsBySsn_BadRequest()
        {
            string taxId = null;

            var result = await _associateController.GetAssociateDetailsBySsn(taxId);
            Assert.NotNull(result);
            var status = result as BadRequestObjectResult;
            Assert.NotNull(status);
            Assert.AreEqual(400, status.StatusCode);
        }

        [Test]
        public async Task GetAssociateDetailsBySsn_InternalServerError()
        {
            var taxId = Guid.NewGuid().ToString();
            _mockAssociateService.Setup(x => x.GetAssociateDetailsBySsn(taxId))
                .Throws(new Exception("Test")).Verifiable();

            var result = await _associateController.GetAssociateDetailsBySsn(taxId);
            Assert.NotNull(result);
            var status = result as StatusCodeResult;
            Assert.NotNull(status);
            Assert.AreEqual(500, status.StatusCode);
            _mockAssociateService.Verify();
        }
    }
}