using System.Linq;
using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using NSubstitute;
using Shouldly;
using Volo.Abp.Users;
using Volo.CmsKit.Public.Reactions;
using Xunit;

namespace Volo.CmsKit.Reactions;

public class ReactionPublicAppService_Tests : CmsKitApplicationTestBase
{

    private readonly CmsKitTestData _cmsKitTestData;
    private readonly ReactionPublicAppService _reactionPublicAppService;
    private ICurrentUser _currentUser;

    public ReactionPublicAppService_Tests()
    {
        _cmsKitTestData = GetRequiredService<CmsKitTestData>();
        _reactionPublicAppService = GetRequiredService<ReactionPublicAppService>();
    }

    protected override void AfterAddApplication(IServiceCollection services)
    {
        _currentUser = Substitute.For<ICurrentUser>();
        services.AddSingleton(_currentUser);
    }

    [Fact]
    public async Task GetForSelectionAsync()
    {
        _currentUser.Id.Returns(_cmsKitTestData.User1Id);
        _currentUser.IsAuthenticated.Returns(true);

        var reactions = await _reactionPublicAppService.GetForSelectionAsync(
            _cmsKitTestData.EntityType2,
            _cmsKitTestData.EntityId1
        );

        reactions.Items.
            First(r => r.Reaction.Name == StandardReactions.Rocket).IsSelectedByCurrentUser.ShouldBeTrue();

        reactions.Items.
            First(r => r.Reaction.Name == StandardReactions.Rocket).Count.ShouldBe(1);

        reactions.Items.
            Where(r => r.Reaction.Name != StandardReactions.Rocket).All(r => !r.IsSelectedByCurrentUser)
            .ShouldBeTrue();
        reactions.Items.
            Where(r => r.Reaction.Name != StandardReactions.Rocket).All(r => r.Count == 0)
            .ShouldBeTrue();
    }

    [Fact]
    public async Task CreateAsync()
    {
        _currentUser.Id.Returns(_cmsKitTestData.User1Id);

        await _reactionPublicAppService.CreateAsync(
            _cmsKitTestData.EntityType2,
            _cmsKitTestData.EntityId2,
            StandardReactions.Eyes
        );

        UsingDbContext(context =>
        {
            var reaction = context.Set<UserReaction>().Where(x =>
                x.CreatorId == _cmsKitTestData.User1Id &&
                x.ReactionName == StandardReactions.Eyes &&
                x.EntityId == _cmsKitTestData.EntityId2 &&
                x.EntityType == _cmsKitTestData.EntityType2).ToList();

            reaction.Count.ShouldBe(1);
        });
    }

    [Fact]
    public async Task DeleteAsync()
    {
        _currentUser.Id.Returns(_cmsKitTestData.User1Id);

        await _reactionPublicAppService.DeleteAsync(
            _cmsKitTestData.EntityType1,
            _cmsKitTestData.EntityId1,
            StandardReactions.Confused
        );

        UsingDbContext(context =>
        {
            var reaction = context.Set<UserReaction>().FirstOrDefault(x =>
                x.CreatorId == _cmsKitTestData.User1Id &&
                x.ReactionName == StandardReactions.Confused &&
                x.EntityId == _cmsKitTestData.EntityId1 &&
                x.EntityType == _cmsKitTestData.EntityType1);

            reaction.ShouldBeNull();
        });
    }
}