using Diligent.WebAPI.Contracts.DTOs.Ad;
using Diligent.WebAPI.Contracts.DTOs.SelectionLevel;
using Diligent.WebAPI.Contracts.DTOs.SelectionProcess;
using Diligent.WebAPI.Contracts.Exceptions;

namespace Diligent.WebAPI.Tests.Controllers
{
    public class SelectionLevelsControllerTests
    {
        private ISelectionLevelService _service = Substitute.For<ISelectionLevelService>();
        private readonly SelectionLevelResposneDto _selectionLevel;
        public SelectionLevelsControllerTests()
        {
            _selectionLevel = new SelectionLevelResposneDto
            {
                Id = 1,
                Name = "HR intervju"
            };
        }

        [Fact]
        public async Task GetById_ShouldReturn_200OK_WhenLevelExist()
        {
            _service.GetByIdAsync(Arg.Any<int>()).Returns(_selectionLevel);
            SelectionLevelsController controller = new(_service);

            var result = await controller.GetById(1);

            (result as OkObjectResult).StatusCode.Should().Be(200);
        }

        [Fact]
        public async Task GetById_ShouldThrowEntityNotFooundException_WhenLevelDoesnotExist()
        {
            _service.When(x => x.GetByIdAsync(Arg.Any<int>())).Do(x => { throw new EntityNotFoundException(); });
            SelectionLevelsController controller = new(_service);

            await Assert.ThrowsAsync<EntityNotFoundException>(() => controller.GetById(1000));
        }

        [Fact]
        public async Task GetAll_ShouldReturn_200OK_Always()
        {
            var levels = new List<SelectionLevelResponseWithDataDto>
            {
                new SelectionLevelResponseWithDataDto
                {
                    Id = 1,
                    Name = "HR intervju",
                    SelectionProcesses = new List<SelectionProcessResposneDto>()
                }
            };
            _service.GetAllAsync().Returns(levels);
            SelectionLevelsController controller = new(_service);

            var result = await controller.GetAll();

            (result as OkObjectResult).StatusCode.Should().Be(200);
        }

        [Fact]
        public async Task GetFilteredLevels_ShouldReturn_200OK_Always()
        {
            var levels = new List<SelectionLevelResponseWithDataDto>
            {
                new SelectionLevelResponseWithDataDto
                {
                    Id = 1,
                    Name = "HR intervju",
                    SelectionProcesses = new List<SelectionProcessResposneDto>()
                }
            };
            var filter = new SelectionProcessFilterDto();
            _service.GetAllAsync().Returns(levels);
            SelectionLevelsController controller = new(_service);

            var result = await controller.GetFilteredLevels(filter);

            (result as OkObjectResult).StatusCode.Should().Be(200);
        }
    }
}