import { getUserFromRequest } from '../../../lib/permission-middleware';
import { matchCardInCatalog } from '../../../lib/card-catalog-match.js';

export default async function handler(req, res) {
  if (req.method !== 'POST') {
    return res.status(405).json({ error: 'Method not allowed' });
  }

  try {
    const user = await getUserFromRequest(req);
    if (!user) {
      return res.status(401).json({ error: 'Authentication required' });
    }

    const {
      name,
      set,
      setCode,
      cardNumber,
      game,
      cardType,
      rarity,
      hp,
      manaCost,
      ocrData,
    } = req.body;

    const matchResult = await matchCardInCatalog({
      userId: user.userId,
      name,
      set,
      setCode,
      cardNumber,
      game,
      cardType,
      rarity,
      hp,
      manaCost,
      ocrData,
    });

    if (matchResult.type === 'matched') {
      return res.status(200).json({
        card: matchResult.card,
        isExisting: matchResult.isExisting,
        message: matchResult.message,
      });
    }

    if (matchResult.type === 'disambiguation') {
      return res.status(200).json({
        card: null,
        matches: matchResult.matches,
        needsUserSelection: true,
        message: matchResult.message,
      });
    }

    if (matchResult.type === 'submitted') {
      return res.status(200).json({
        card: null,
        matches: [],
        submissionId: matchResult.submissionId,
        needsReview: true,
        message: matchResult.message,
      });
    }

    return res.status(200).json({
      card: null,
      matches: [],
      needsUserInput: true,
      message: matchResult.message,
    });
  } catch (error) {
    console.error('Error in find-or-create card:', error);
    return res.status(500).json({ error: 'Internal server error' });
  }
}