import { NextRequest, NextResponse } from 'next/server';
import { createClient } from '@/lib/auth/server';
import { isMockPatient, MOCK_CONCEPT_BRIEF } from '@/lib/cortex/mock-data/noshow';

export async function GET(request: NextRequest) {
  const supabase = await createClient();
  const { data: { user }, error: authError } = await supabase.auth.getUser();
  if (authError || !user) {
    return NextResponse.json({ error: 'Niet geautoriseerd' }, { status: 401 });
  }

  const { searchParams } = new URL(request.url);
  const patientId = searchParams.get('patientId');

  if (!patientId) {
    return NextResponse.json({ error: 'patientId is verplicht' }, { status: 400 });
  }

  // Mock path — demo flow
  if (isMockPatient(patientId)) {
    return NextResponse.json({
      hasConceptBrief: true,
      document: {
        id: MOCK_CONCEPT_BRIEF.id,
        title: MOCK_CONCEPT_BRIEF.title,
        content: MOCK_CONCEPT_BRIEF.content,
        type: MOCK_CONCEPT_BRIEF.type,
        createdAt: MOCK_CONCEPT_BRIEF.createdAt,
      },
    });
  }

  // Productie path
  const { data, error } = await supabase
    .from('reports')
    .select('id, content, structured_data, type, created_at')
    .eq('patient_id', patientId)
    .eq('type', 'huisartsbrief')
    .is('deleted_at', null)
    .order('created_at', { ascending: false })
    .limit(1)
    .single();

  if (error || !data) {
    return NextResponse.json({ hasConceptBrief: false });
  }

  const content = (data.structured_data as Record<string, unknown>)?.content as string
    ?? data.content
    ?? '';

  return NextResponse.json({
    hasConceptBrief: true,
    document: {
      id: data.id,
      title: 'Huisartsbrief',
      content,
      type: data.type,
      createdAt: data.created_at,
    },
  });
}