import { NextRequest, NextResponse } from 'next/server';
import { getBookReviews } from '@/lib/directus';
import { checkRateLimit, getClientIp } from '@/lib/auth';

export const runtime = 'nodejs';
export const dynamic = 'force-dynamic';

/**
 * GET /api/book-reviews
 *
 * Loads Book Reviews from Directus CMS
 *
 * Query params:
 *   - locale: en or de (default: en)
 */
export async function GET(request: NextRequest) {
  // Rate Limit: 60 requests per minute
  const ip = getClientIp(request);
  if (!checkRateLimit(ip, 60, 60000)) {
    return NextResponse.json({ error: 'Rate limit exceeded' }, { status: 429 });
  }

  try {
    const { searchParams } = new URL(request.url);
    const locale = searchParams.get('locale') || 'en';

    const reviews = await getBookReviews(locale);
    
    if (process.env.NODE_ENV === 'development') {
      console.log(`[API] Book Reviews geladen für ${locale}:`, reviews?.length || 0);
    }

    if (reviews && reviews.length > 0) {
      return NextResponse.json({
        bookReviews: reviews,
        source: 'directus'
      });
    }

    return NextResponse.json({
      bookReviews: null,
      source: 'fallback'
    });

  } catch (error) {
    console.error('Error loading book reviews:', error);
    return NextResponse.json(
      {
        bookReviews: null,
        error: 'Failed to load book reviews',
        source: 'error'
      },
      { status: 500 }
    );
  }
}