import { prisma } from './prisma-client.js';
import { extractAuthTokenFromRequest, verifyAccessToken } from './auth.js';

export async function buildContext(req) {
  const token = extractAuthTokenFromRequest(req);
  const tokenPayload = verifyAccessToken(token);
  const legacyUserIdHeader = Array.isArray(req.headers['x-user-id'])
    ? req.headers['x-user-id'][0]
    : req.headers['x-user-id'];
  const userId = tokenPayload?.userId ?? legacyUserIdHeader;

  const user = userId
    ? await prisma.user.findUnique({ where: { id: String(userId) } })
    : null;

  return { prisma, user };
}