/**
 * Migrate tractatus-framework-research from dev to production
 */
const { MongoClient } = require('mongodb');
require('dotenv').config({ path: '/var/www/tractatus/.env' });

const MONGODB_URI = process.env.MONGODB_URI || 'mongodb://localhost:27017';

async function run() {
  // Connect to dev
  const devClient = new MongoClient('mongodb://localhost:27017');
  await devClient.connect();
  const devDb = devClient.db('tractatus_dev');

  // Connect to prod
  const prodClient = new MongoClient(MONGODB_URI);
  await prodClient.connect();
  const prodDb = prodClient.db(process.env.MONGODB_DB || 'tractatus_prod');

  console.log('═══════════════════════════════════════════════════════════');
  console.log('  MIGRATING tractatus-framework-research TO PRODUCTION');
  console.log('═══════════════════════════════════════════════════════════\n');

  // Get document from dev
  const devDoc = await devDb.collection('documents').findOne({ slug: 'tractatus-framework-research' });

  if (!devDoc) {
    console.log('❌ Document not found in dev database');
    await devClient.close();
    await prodClient.close();
    process.exit(1);
  }

  console.log(`📄 Found in dev: ${devDoc.title}`);
  console.log(`   Sections: ${devDoc.sections?.length || 0}`);
  console.log(`   Category: ${devDoc.category}`);

  // Check if already exists in prod
  const prodDoc = await prodDb.collection('documents').findOne({ slug: 'tractatus-framework-research' });

  if (prodDoc) {
    console.log('⚠️  Document already exists in production - updating instead...');

    await prodDb.collection('documents').replaceOne(
      { slug: 'tractatus-framework-research' },
      devDoc
    );

    console.log('✅ Document updated in production');
  } else {
    console.log('📝 Inserting new document into production...');

    // Remove _id to let MongoDB generate a new one
    delete devDoc._id;

    // Ensure correct metadata
    devDoc.category = 'research-theory';
    devDoc.order = 2;
    devDoc.visibility = 'public';
    devDoc.updated_at = new Date();

    await prodDb.collection('documents').insertOne(devDoc);

    console.log('✅ Document inserted into production');
  }

  await devClient.close();
  await prodClient.close();

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

run().catch(console.error);