import { NextRequest, NextResponse } from 'next/server';

export async function POST(request: NextRequest) {
  try {
    console.log('[QuickImportProxy] Mottog POST-anrop');
    const { input } = await request.json();
    console.log('[QuickImportProxy] Input från request:', input);

    if (!input || typeof input !== 'string') {
      console.log('[QuickImportProxy] Validering misslyckades');
      return NextResponse.json(
        { error: 'Du måste ange en URL eller filsökväg' },
        { status: 400 }
      );
    }

    // Anropa backend
    const backendUrl = process.env.NEXT_PUBLIC_API_URL || 'http://localhost:8080';
    console.log('[QuickImportProxy] Anropar backend på:', backendUrl + '/api/quick-import');
    
    const response = await fetch(`${backendUrl}/api/quick-import`, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ input: input.trim() }),
    });

    console.log('[QuickImportProxy] Backend svar status:', response.status);

    if (!response.ok) {
      console.log('[QuickImportProxy] Backend returnerade error');
      const errorData = await response.json().catch(() => ({}));
      console.log('[QuickImportProxy] Error data:', errorData);
      return NextResponse.json(
        { error: errorData.message || 'Importen misslyckades' },
        { status: response.status }
      );
    }

    const data = await response.json();
    console.log('[QuickImportProxy] Framgång! Markdown längd:', data.markdown?.length);
    return NextResponse.json(data);
  } catch (error) {
    console.error('[QuickImportProxy] EXCEPTION:', error);
    return NextResponse.json(
      { error: 'Serverfelet vid import. Försök igen senare.' },
      { status: 500 }
    );
  }
}