/**
 * Unarchive and publish the best Glossary document
 */
const { MongoClient } = require('mongodb');
require('dotenv').config({ path: '/var/www/tractatus/.env' });

async function run() {
  const MONGODB_URI = process.env.MONGODB_URI || 'mongodb://localhost:27017';
  const DB_NAME = process.env.MONGODB_DB || 'tractatus_prod';

  const client = new MongoClient(MONGODB_URI);
  await client.connect();

  console.log('═══════════════════════════════════════════════════════════');
  console.log('  UNARCHIVING GLOSSARY');
  console.log('═══════════════════════════════════════════════════════════\n');

  const db = client.db(DB_NAME);
  const collection = db.collection('documents');

  // Find all glossary documents
  const glossaries = await collection.find({
    slug: { $regex: 'glossary', $options: 'i' }
  }).toArray();

  console.log(`Found ${glossaries.length} glossary document(s)\n`);

  // Pick the one with most sections
  let best = null;
  let bestSections = 0;

  glossaries.forEach((doc, idx) => {
    const sections = doc.sections?.length || 0;
    console.log(`${idx + 1}. ${doc.slug}`);
    console.log(`   Title: ${doc.title}`);
    console.log(`   Sections: ${sections}`);
    console.log(`   Visibility: ${doc.visibility}`);
    console.log(`   Category: ${doc.category || 'none'}`);
    console.log('');

    if (sections > bestSections) {
      best = doc;
      bestSections = sections;
    }
  });

  if (!best) {
    console.log('❌ No glossary documents found');
    await client.close();
    return;
  }

  console.log(`✅ Best version: ${best.slug} (${bestSections} sections)\n`);

  // Unarchive it
  if (best.visibility !== 'public') {
    console.log('📝 Updating to public...\n');

    const result = await collection.updateOne(
      { _id: best._id },
      {
        $set: {
          visibility: 'public',
          category: 'technical-reference',
          order: 100,  // Place at end of technical reference
          updated_at: new Date()
        }
      }
    );

    console.log(`✅ Updated: ${result.modifiedCount} document(s)`);

    // Verify
    const updated = await collection.findOne(
      { _id: best._id },
      { projection: { slug: 1, title: 1, visibility: 1, category: 1, order: 1 } }
    );

    console.log('\n🔍 Verification:');
    console.log(JSON.stringify(updated, null, 2));
  } else {
    console.log('✅ Already public - no update needed');
  }

  await client.close();

  console.log('\n═══════════════════════════════════════════════════════════');
  console.log('  COMPLETE');
  console.log('═══════════════════════════════════════════════════════════\n');
}

run().catch(console.error);