using PnvPanel.Application.Billing;
using PnvPanel.Application.Billing.CancelPaymentRequest;
using PnvPanel.Application.Tests.TestSupport;
using PnvPanel.Domain.Billing;
using Xunit;

namespace PnvPanel.Application.Tests.Billing.CancelPaymentRequest;

public class CancelPaymentRequestCommandHandlerTests
{
    [Fact]
    public async Task Handle_WhenAwaitingPayment_Cancels()
    {
        using var dbContext = InMemoryDbContextFactory.Create();
        var userId = Guid.NewGuid();
        var request = PaymentRequest.Create(userId, PaymentPeriod.Quarter, 1000);
        dbContext.PaymentRequests.Add(request);
        await dbContext.SaveChangesAsync(CancellationToken.None);

        var handler = new CancelPaymentRequestCommandHandler(
            dbContext,
            FakeCurrentUser.Authenticated(userId)
        );

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

        Assert.True(result.IsSuccess);
        Assert.Equal(PaymentRequestStatus.Cancelled, request.Status);
    }

    [Fact]
    public async Task Handle_WhenAwaitingConfirmation_ReturnsNotCancellable()
    {
        using var dbContext = InMemoryDbContextFactory.Create();
        var userId = Guid.NewGuid();
        var request = PaymentRequest.Create(userId, PaymentPeriod.Quarter, 1000);
        request.MarkPaymentSent();
        dbContext.PaymentRequests.Add(request);
        await dbContext.SaveChangesAsync(CancellationToken.None);

        var handler = new CancelPaymentRequestCommandHandler(
            dbContext,
            FakeCurrentUser.Authenticated(userId)
        );

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

        Assert.False(result.IsSuccess);
        Assert.Equal(BillingErrors.RequestNotCancellable, result.Error);
    }

    [Fact]
    public async Task Handle_WhenOwnedByAnotherUser_ReturnsNotFound()
    {
        using var dbContext = InMemoryDbContextFactory.Create();
        var request = PaymentRequest.Create(Guid.NewGuid(), PaymentPeriod.Quarter, 1000);
        dbContext.PaymentRequests.Add(request);
        await dbContext.SaveChangesAsync(CancellationToken.None);

        var handler = new CancelPaymentRequestCommandHandler(
            dbContext,
            FakeCurrentUser.Authenticated(Guid.NewGuid())
        );

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

        Assert.False(result.IsSuccess);
        Assert.Equal(BillingErrors.RequestNotFound, result.Error);
    }
}