using System.Collections.Generic;
using LCU.Library.Internal.LcuMassTransitModels;
using LCU.Api.Internal.Dispatcher.Services;
using LCU.Api.Internal.DispatcherLib.Repositories;
using LCU.Api.Internal.Dispatcher.Configurations;
using LCU.Api.Internal.DispatcherSharedLib.BuilderServices;
namespace LCU.Api.Internal.DispatcherTests.ServiceTests;

public class WorkItemServiceTest
{
    private readonly WorkItemService _workItemService;
    private readonly Mock<IUnitOfWork> _mockUnitOfWork;
    private readonly Mock<IWorkItemRepository> _mockWorkItemRepository;
    private readonly Mock<IWorkItemExecutionService> _mockWorkItemExecutionService;
    private readonly Mock<IActionBuilderService> _mockActionBuilderService;
    private readonly ConnectionConfiguration _connectionConfiguration;
    private readonly ReceiveEndpointConfigurations _receiveEndpointConfigurations;
    private readonly ApiConfiguration _apiConfiguration;

    public WorkItemServiceTest()
    {
        _mockUnitOfWork = new Mock<IUnitOfWork>();
        _mockWorkItemRepository = new Mock<IWorkItemRepository>();
        _mockWorkItemExecutionService = new Mock<IWorkItemExecutionService>();
        _mockActionBuilderService = new Mock<IActionBuilderService>();
        _connectionConfiguration = new ConnectionConfiguration();
        _apiConfiguration = new ApiConfiguration()
        {
            NumberOfExecutionMessages = 20,
            NumberOfWorkItemExecutions = 10
        };
        _receiveEndpointConfigurations = new ReceiveEndpointConfigurations
        {
            CompletionReceiveEndpoint = new ReceiveEndpointConfiguration()
        };

        _workItemService = new WorkItemService(_mockUnitOfWork.Object,
                                               _mockWorkItemRepository.Object,
                                               _mockWorkItemExecutionService.Object,
                                               _mockActionBuilderService.Object,
                                               _connectionConfiguration,
                                               _receiveEndpointConfigurations,
                                               _apiConfiguration);
    }

    [Fact]
    public async Task GetByIdAsync_Success()
    {
        // Arrange
        var workItem = new WorkItem()
        {
            WorkItemId = 1
        };
        _mockWorkItemRepository.Setup(repo => repo.FindByIdAsync(1)).ReturnsAsync(workItem);

        // Act
        var result = await _workItemService.GetByIdAsync(1);

        // Assert
        Assert.NotNull(result);
        Assert.Equal(1, result.WorkItemId);
        _mockWorkItemRepository.Verify(x => x.FindByIdAsync(1), Times.Once);
    }

    [Fact]
    public void GetAsync_Exception()
    {
        _mockWorkItemRepository.Setup(x => x.FindByIdAsync(1)).ThrowsAsync(new Exception("Error"));
        Assert.ThrowsAsync<ServiceException>(async () => await _workItemService.GetByIdAsync(1));
        _mockWorkItemRepository.Verify(x => x.FindByIdAsync(1), Times.Once);
    }

    [Fact]
    public async Task GetByJobIdAsync_Success()
    {
        // Arrange
        var workItems = new List<WorkItem>()
        {
            new WorkItem()
            {
                WorkItemId = 1
            }
        };
        _mockWorkItemRepository.Setup(repo => repo.FindByJobIdAsync(1)).ReturnsAsync(workItems);

        // Act
        var result = await _workItemService.GetByJobIdAsync(1);

        // Assert
        Assert.NotNull(result);
        Assert.Equal(1, result.FirstOrDefault().WorkItemId);
        _mockWorkItemRepository.Verify(x => x.FindByJobIdAsync(1), Times.Once);
    }

    [Fact]
    public void GetByJobIdAsync_Exception()
    {
        _mockWorkItemRepository.Setup(x => x.FindByJobIdAsync(1)).ThrowsAsync(new Exception("Error"));
        Assert.ThrowsAsync<ServiceException>(async () => await _workItemService.GetByJobIdAsync(1));
        _mockWorkItemRepository.Verify(x => x.FindByJobIdAsync(1), Times.Once);
    }

    [Fact]
    public async Task UpdateAsync_Success()
    {
        // Arrange
        var workItem = new WorkItem()
        {
            WorkItemId = 1
        };

        var updatingWorkItem = new WorkItem()
        {
            WorkItemId = 1,
            Name = "Test"
        };
        _mockWorkItemRepository.Setup(repo => repo.Update(updatingWorkItem));

        // Act
        var result = await _workItemService.UpdateAsync(updatingWorkItem);

        // Assert
        Assert.NotNull(result);
        Assert.Equal("Test", result.Name);
        _mockWorkItemRepository.Verify(x => x.FindByIdAsync(It.IsAny<int>()), Times.Never);
        _mockWorkItemRepository.Verify(x => x.Update(It.IsAny<WorkItem>()), Times.Once);
        _mockUnitOfWork.Verify(x => x.CompleteAsync(), Times.Once);
    }

    [Fact]
    public async Task DeleteList_Success()
    {
        // Arrange
        var workItem1Executions = new List<WorkItemExecution>()
        {
            new WorkItemExecution
            {
                WorkItemId = 1,
                WorkItemExecutionId = 1
            },
            new WorkItemExecution
            {
                WorkItemId = 1,
                WorkItemExecutionId = 2
            }
        };
        _mockWorkItemExecutionService.Setup(service => service.GetAllByWorkItemId(1)).ReturnsAsync(workItem1Executions);

        var workItem2Executions = new List<WorkItemExecution>()
        {
            new WorkItemExecution
            {
                WorkItemId = 2,
                WorkItemExecutionId = 3
            },
            new WorkItemExecution
            {
                WorkItemId = 2,
                WorkItemExecutionId = 4
            }
        };
        _mockWorkItemExecutionService.Setup(service => service.GetAllByWorkItemId(2)).ReturnsAsync(workItem2Executions);

        var deletingWorkItems = new List<WorkItem>
        {
            new WorkItem
            {
                WorkItemId = 1,
                WorkItemExecutions = new List<WorkItemExecution>
                {
                    new WorkItemExecution
                    {
                        WorkItemId = 1,
                        WorkItemExecutionId = 1
                    },
                    new WorkItemExecution
                    {
                        WorkItemId = 1,
                        WorkItemExecutionId = 2
                    }
                }
            },
            new WorkItem
            {
                WorkItemId = 2,
                WorkItemExecutions = new List<WorkItemExecution>
                {
                    new WorkItemExecution
                    {
                        WorkItemId = 2,
                        WorkItemExecutionId = 3
                    },
                    new WorkItemExecution
                    {
                        WorkItemId = 2,
                        WorkItemExecutionId = 4
                    }
                }
            }

        };
        _mockWorkItemRepository.Setup(repo => repo.RemoveList(deletingWorkItems));


        var startingDeletingWorkItems = new List<WorkItem>
        {
            new WorkItem
            {
                WorkItemId = 1
            },
            new WorkItem
            {
                WorkItemId = 2
            }

        };
        // Act
        await _workItemService.DeleteList(startingDeletingWorkItems);

        // Assert
        _mockWorkItemExecutionService.Verify(x => x.GetAllByWorkItemId(It.Is<int>(x => x == 1)), Times.Once);
        _mockWorkItemExecutionService.Verify(x => x.GetAllByWorkItemId(It.Is<int>(x => x == 2)), Times.Once);
        _mockWorkItemRepository.Verify(x => x.RemoveList(It.IsAny<List<WorkItem>>()), Times.Once);
        _mockUnitOfWork.Verify(x => x.CompleteAsync(), Times.Once);
    }
}