using LiteCharms.Extensions;
using LiteCharms.Infrastructure.Database;
using LiteCharms.Models;

namespace LiteCharms.Features.Refunds.Queries.Handlers;

public class GetRefundQueryHandler(IDbContextFactory<LeadGeneratorDbContext> contextFactory) : IRequestHandler<GetRefundQuery, Result<OrderRefund>>
{
    public async ValueTask<Result<OrderRefund>> Handle(GetRefundQuery request, CancellationToken cancellationToken)
    {
		try
		{
            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var refund = await context.OrderRefunds.AsNoTracking().FirstOrDefaultAsync(r => r.Id == request.OrderRefundId, cancellationToken);

            return refund is not null
                ? Result.Ok(refund.ToModel())
                : Result.Fail<OrderRefund>($"Order refund could not be found with id {request.OrderRefundId}");
        }
		catch (Exception ex)
		{
            return Result.Fail<OrderRefund>(new Error(ex.Message).CausedBy(ex));
        }
    }
}