import { NextResponse } from 'next/server';
import { fetchFromConfluence } from '../../../src/server/confluence';

export async function GET() {
  try {
    // Get environment variables from server-side only
    const env = {
      CONFLUENCE_API_URL: process.env.CONFLUENCE_API_URL,
      CONFLUENCE_TOKEN: process.env.CONFLUENCE_TOKEN,
      CONFLUENCE_PAGE_ID: process.env.CONFLUENCE_PAGE_ID,
    };

    // Validate environment variables
    if (!env.CONFLUENCE_API_URL || !env.CONFLUENCE_TOKEN || !env.CONFLUENCE_PAGE_ID) {
      console.error('Missing Confluence environment variables');
      return NextResponse.json(
        { error: 'Server configuration error' },
        { status: 500 }
      );
    }

    const filaments = await fetchFromConfluence(env);
    
    return NextResponse.json(filaments, {
      headers: {
        'Cache-Control': 'public, s-maxage=300, stale-while-revalidate=600',
      },
    });
  } catch (error) {
    console.error('API Error:', error);
    // Never expose internal error details to client
    return NextResponse.json(
      { error: 'Failed to fetch filaments' },
      { status: 500 }
    );
  }
}