#!/usr/bin/env node
/**
 * Remove Duplicate/Old Documents
 *
 * Removes 5 duplicate documents that were replaced by newer versions
 */

require('dotenv').config();

const { connect, close } = require('../src/utils/db.util');
const Document = require('../src/models/Document.model');

const DOCUMENTS_TO_REMOVE = [
  { slug: 'case-studies', reason: 'Duplicate - replaced by case-studies-real-world-llm-failure-modes-appendix' },
  { slug: 'concurrent-session-architecture-limitations', reason: 'Duplicate - replaced by research-topic-concurrent-session-architecture' },
  { slug: 'rule-proliferation-and-transactional-overhead', reason: 'Duplicate - replaced by research-topic-rule-proliferation-transactional-overhead' },
  { slug: 'implementation-guide-python-code-examples', reason: 'Old version without sections - replaced by implementation-guide-python-examples' },
  { slug: 'framework-governance-in-action-pre-publication-security-audit', reason: 'Incomplete document without sections' }
];

async function removeDocument(slug, reason) {
  try {
    const doc = await Document.findBySlug(slug);

    if (!doc) {
      console.log(`   ⏭️  Not found: ${slug}`);
      return { success: false, reason: 'not_found' };
    }

    console.log(`\n❌ Removing: ${doc.title}`);
    console.log(`   Slug: ${slug}`);
    console.log(`   Reason: ${reason}`);

    const deleted = await Document.delete(doc._id.toString());

    if (!deleted) {
      console.log(`   ❌ Failed to delete`);
      return { success: false, reason: 'delete_failed' };
    }

    console.log(`   ✅ Deleted successfully`);
    return { success: true };

  } catch (error) {
    console.error(`   ❌ Error: ${error.message}`);
    return { success: false, error: error.message };
  }
}

async function main() {
  try {
    console.log('🗑️  Removing Duplicate/Old Documents\n');
    console.log('═══════════════════════════════════════════════════\n');

    await connect();

    let removed = 0;
    let notFound = 0;
    let failed = 0;

    for (const { slug, reason } of DOCUMENTS_TO_REMOVE) {
      const result = await removeDocument(slug, reason);

      if (result.success) {
        removed++;
      } else if (result.reason === 'not_found') {
        notFound++;
      } else {
        failed++;
      }
    }

    console.log('\n═══════════════════════════════════════════════════');
    console.log('\n📊 Summary:');
    console.log(`   ✅ Removed: ${removed}`);
    console.log(`   ⏭️  Not found: ${notFound}`);
    console.log(`   ❌ Failed: ${failed}`);
    console.log(`   📦 Total: ${DOCUMENTS_TO_REMOVE.length}`);

    await close();

  } catch (error) {
    console.error('\n❌ Fatal error:', error);
    process.exit(1);
  }
}

main();