using Bit.Core.Enums;
using Bit.Core.Models.Data;
using Bit.Core.Models.Data.Integrations;
using Bit.Core.Repositories;
using Bit.Core.Services;
using Bit.Test.Common.AutoFixture;
using Bit.Test.Common.AutoFixture.Attributes;
using Bit.Test.Common.Helpers;
using NSubstitute;
using Xunit;

namespace Bit.Core.Test.Services;

[SutProviderCustomize]
public class SlackEventHandlerTests
{
    private readonly IOrganizationIntegrationConfigurationRepository _repository = Substitute.For<IOrganizationIntegrationConfigurationRepository>();
    private readonly ISlackService _slackService = Substitute.For<ISlackService>();
    private readonly string _channelId = "C12345";
    private readonly string _channelId2 = "C67890";
    private readonly string _token = "xoxb-test-token";
    private readonly string _token2 = "xoxb-another-test-token";

    private SutProvider<SlackEventHandler> GetSutProvider(
        List<IntegrationConfiguration<SlackConfiguration>> integrationConfigurations)
    {
        _repository.GetConfigurationsAsync<SlackConfiguration>(
            IntegrationType.Slack,
            Arg.Any<Guid>(),
            Arg.Any<EventType>())
        .Returns(integrationConfigurations);

        return new SutProvider<SlackEventHandler>()
            .SetDependency(_repository)
            .SetDependency(_slackService)
            .Create();
    }

    private List<IntegrationConfiguration<SlackConfiguration>> NoConfigurations()
    {
        return [];
    }

    private List<IntegrationConfiguration<SlackConfiguration>> OneConfiguration()
    {
        return
        [
            new IntegrationConfiguration<SlackConfiguration>
            {
                Configuration = new SlackConfiguration(channelId: _channelId, token: _token),
                Template = "Date: #Date#, Type: #Type#, UserId: #UserId#"
            }
        ];
    }

    private List<IntegrationConfiguration<SlackConfiguration>> TwoConfigurations()
    {
        return
        [
            new IntegrationConfiguration<SlackConfiguration>
            {
                Configuration = new SlackConfiguration(channelId: _channelId, token: _token),
                Template = "Date: #Date#, Type: #Type#, UserId: #UserId#"
            },

            new IntegrationConfiguration<SlackConfiguration>
            {
                Configuration = new SlackConfiguration(channelId: _channelId2, token: _token2),
                Template = "Date: #Date#, Type: #Type#, UserId: #UserId#"
            }
        ];
    }

    [Theory, BitAutoData]
    public async Task HandleEventAsync_DoesNothingWhenNoConfigurations(EventMessage eventMessage)
    {
        var sutProvider = GetSutProvider(NoConfigurations());

        await sutProvider.Sut.HandleEventAsync(eventMessage);
        sutProvider.GetDependency<ISlackService>().DidNotReceiveWithAnyArgs();
    }

    [Theory, BitAutoData]
    public async Task HandleEventAsync_SendsEventViaSlackService(EventMessage eventMessage)
    {
        var sutProvider = GetSutProvider(OneConfiguration());

        await sutProvider.Sut.HandleEventAsync(eventMessage);
        sutProvider.GetDependency<ISlackService>().Received(1).SendSlackMessageByChannelIdAsync(
            Arg.Is(AssertHelper.AssertPropertyEqual(_token)),
            Arg.Is(AssertHelper.AssertPropertyEqual(
                $"Date: {eventMessage.Date}, Type: {eventMessage.Type}, UserId: {eventMessage.UserId}")),
            Arg.Is(AssertHelper.AssertPropertyEqual(_channelId))
        );
    }

    [Theory, BitAutoData]
    public async Task HandleEventAsync_SendsMultipleWhenConfigured(EventMessage eventMessage)
    {
        var sutProvider = GetSutProvider(TwoConfigurations());

        await sutProvider.Sut.HandleEventAsync(eventMessage);
        sutProvider.GetDependency<ISlackService>().Received(1).SendSlackMessageByChannelIdAsync(
            Arg.Is(AssertHelper.AssertPropertyEqual(_token)),
            Arg.Is(AssertHelper.AssertPropertyEqual(
                $"Date: {eventMessage.Date}, Type: {eventMessage.Type}, UserId: {eventMessage.UserId}")),
            Arg.Is(AssertHelper.AssertPropertyEqual(_channelId))
        );
        sutProvider.GetDependency<ISlackService>().Received(1).SendSlackMessageByChannelIdAsync(
            Arg.Is(AssertHelper.AssertPropertyEqual(_token2)),
            Arg.Is(AssertHelper.AssertPropertyEqual(
                $"Date: {eventMessage.Date}, Type: {eventMessage.Type}, UserId: {eventMessage.UserId}")),
            Arg.Is(AssertHelper.AssertPropertyEqual(_channelId2))
        );
    }

    [Theory, BitAutoData]
    public async Task HandleManyEventsAsync_SendsEventsViaSlackService(List<EventMessage> eventMessages)
    {
        var sutProvider = GetSutProvider(OneConfiguration());

        await sutProvider.Sut.HandleManyEventsAsync(eventMessages);

        var received = sutProvider.GetDependency<ISlackService>().ReceivedCalls();
        using var calls = received.GetEnumerator();

        Assert.Equal(eventMessages.Count, received.Count());

        var index = 0;
        foreach (var eventMessage in eventMessages)
        {
            Assert.True(calls.MoveNext());
            var arguments = calls.Current.GetArguments();
            Assert.Equal(_token, arguments[0] as string);
            Assert.Equal($"Date: {eventMessage.Date}, Type: {eventMessage.Type}, UserId: {eventMessage.UserId}",
                arguments[1] as string);
            Assert.Equal(_channelId, arguments[2] as string);

            index++;
        }
    }

    [Theory, BitAutoData]
    public async Task HandleManyEventsAsync_SendsMultipleEventsAndMultipleConfigurations(List<EventMessage> eventMessages)
    {
        var sutProvider = GetSutProvider(TwoConfigurations());

        await sutProvider.Sut.HandleManyEventsAsync(eventMessages);

        var received = sutProvider.GetDependency<ISlackService>().ReceivedCalls();
        var calls = received.GetEnumerator();

        Assert.Equal(eventMessages.Count * 2, received.Count());

        var index = 0;
        foreach (var eventMessage in eventMessages)
        {
            Assert.True(calls.MoveNext());
            var arguments = calls.Current.GetArguments();
            Assert.Equal(_token, arguments[0] as string);
            Assert.Equal($"Date: {eventMessage.Date}, Type: {eventMessage.Type}, UserId: {eventMessage.UserId}",
                         arguments[1] as string);
            Assert.Equal(_channelId, arguments[2] as string);

            Assert.True(calls.MoveNext());
            var arguments2 = calls.Current.GetArguments();
            Assert.Equal(_token2, arguments2[0] as string);
            Assert.Equal($"Date: {eventMessage.Date}, Type: {eventMessage.Type}, UserId: {eventMessage.UserId}",
                arguments2[1] as string);
            Assert.Equal(_channelId2, arguments2[2] as string);

            index++;
        }
    }
}