using NSubstitute;
using PnvPanel.Application.Activation;
using PnvPanel.Application.Admin.Activation;
using PnvPanel.Application.Common.Interfaces;
using PnvPanel.Application.Tests.TestSupport;
using PnvPanel.Domain.Activation;
using Xunit;

namespace PnvPanel.Application.Tests.Activation;

public class RejectActivationCommandHandlerTests
{
    private readonly ICurrentUser _currentUser = Substitute.For<ICurrentUser>();

    [Fact]
    public async Task Handle_WhenPending_RejectsWithReason()
    {
        using var dbContext = InMemoryDbContextFactory.Create();
        var adminId = Guid.NewGuid();
        var request = ActivationRequest.Create(Guid.NewGuid(), null);
        dbContext.ActivationRequests.Add(request);
        await dbContext.SaveChangesAsync(CancellationToken.None);

        _currentUser.UserId.Returns(adminId);

        var handler = new RejectActivationCommandHandler(dbContext, _currentUser);

        var result = await handler.Handle(new RejectActivationCommand(request.Id, "недостаточно информации"), CancellationToken.None);

        Assert.True(result.IsSuccess);
        Assert.Equal(ActivationStatus.Rejected, request.Status);
        Assert.Equal("недостаточно информации", request.RejectionReason);
    }

    [Fact]
    public async Task Handle_WhenRequestNotFound_ReturnsNotFound()
    {
        using var dbContext = InMemoryDbContextFactory.Create();
        _currentUser.UserId.Returns(Guid.NewGuid());

        var handler = new RejectActivationCommandHandler(dbContext, _currentUser);

        var result = await handler.Handle(new RejectActivationCommand(Guid.NewGuid(), null), CancellationToken.None);

        Assert.False(result.IsSuccess);
        Assert.Equal(ActivationErrors.NotFound, result.Error);
    }

    [Fact]
    public async Task Handle_WhenAlreadyDecided_ReturnsConflict()
    {
        using var dbContext = InMemoryDbContextFactory.Create();
        var request = ActivationRequest.Create(Guid.NewGuid(), null);
        request.Reject(Guid.NewGuid(), null);
        dbContext.ActivationRequests.Add(request);
        await dbContext.SaveChangesAsync(CancellationToken.None);

        _currentUser.UserId.Returns(Guid.NewGuid());

        var handler = new RejectActivationCommandHandler(dbContext, _currentUser);

        var result = await handler.Handle(new RejectActivationCommand(request.Id, null), CancellationToken.None);

        Assert.False(result.IsSuccess);
        Assert.Equal(ActivationErrors.AlreadyDecided, result.Error);
    }
}