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

namespace LiteCharms.Features.Quotes.Queries.Handlers;

public class GetQuoteQueryHandler(IDbContextFactory<ShopDbContext> contextFactory) : IRequestHandler<GetQuoteQuery, Result<Quote>>
{
    public async ValueTask<Result<Quote>> Handle(GetQuoteQuery request, CancellationToken cancellationToken)
    {
        try
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var quote = await context.Quotes.AsNoTracking().FirstOrDefaultAsync(q => q.Id == request.QuoteId, cancellationToken);

            return quote is not null
                ? Result.Ok(quote.ToModel())
                : Result.Fail<Quote>(new Error($"Quote with ID {request.QuoteId} not found."));
        }
        catch (Exception ex)
        {
            return Result.Fail<Quote>(new Error(ex.Message).CausedBy(ex));
        }
    }
}