import { NextResponse } from 'next/server';

// Proxy for Lorcana APIs to handle CORS
export async function GET(request) {
  try {
    const { searchParams } = new URL(request.url);
    const query = searchParams.get('q');
    const search = searchParams.get('search');
    const limit = searchParams.get('limit') || '20';
    const api = searchParams.get('api') || 'lorcana'; // 'lorcana' or 'lorcast'
    
    let url;
    let headers = {};
    
    if (api === 'lorcana') {
      // Lorcana API
      if (search) {
        url = `https://lorcana-api.com/api/v1/cards?search=${encodeURIComponent(search)}`;
      } else {
        url = `https://lorcana-api.com/api/v1/cards?limit=${limit}`;
      }
      headers = {
        'Accept': 'application/json',
        'User-Agent': 'TCG-Vault/1.0'
      };
    } else {
      // Lorcast API
      if (query) {
        url = `https://api.lorcast.com/v0/cards?q=${encodeURIComponent(query)}`;
      } else {
        url = `https://api.lorcast.com/v0/cards`;
      }
      headers = {
        'Accept': 'application/json',
        'User-Agent': 'TCG-Vault/1.0'
      };
    }
    
    console.log(`🔗 Proxying request to: ${url}`);
    
    const response = await fetch(url, { headers });
    
    if (!response.ok) {
      console.error(`❌ Proxy error: ${response.status} ${response.statusText}`);
      return NextResponse.json(
        { error: `External API error: ${response.status}` },
        { status: response.status }
      );
    }
    
    const data = await response.json();
    console.log(`✅ Proxy success: ${url}`);
    
    return NextResponse.json({
      success: true,
      data: data,
      source: api
    });
    
  } catch (error) {
    console.error('Proxy error:', error);
    return NextResponse.json(
      { error: 'Failed to fetch from external API' },
      { status: 500 }
    );
  }
}