#!/usr/bin/env node
/**
 * Parse Architectural Safeguards Document into Sections
 * Updates database with section metadata for card-based rendering
 */

require('dotenv').config();

const fs = require('fs').promises;
const path = require('path');
const { connect, close } = require('../src/utils/db.util');
const Document = require('../src/models/Document.model');
const { parseDocumentSections } = require('../src/utils/document-section-parser');
const { markdownToHtml } = require('../src/utils/markdown.util');

async function parseAndUpdateDocument() {
  try {
    console.log('\n=== Parsing Architectural Safeguards Document ===\n');

    const mdPath = path.resolve('docs/research/ARCHITECTURAL-SAFEGUARDS-Against-LLM-Hierarchical-Dominance-Prose.md');
    const slug = 'architectural-safeguards-against-llm-hierarchical-dominance-prose';

    // Read markdown file
    console.log('📄 Reading markdown file...');
    const rawContent = await fs.readFile(mdPath, 'utf-8');

    // Parse into sections
    console.log('🔍 Parsing document into sections...');
    const sections = parseDocumentSections(rawContent);

    console.log(`✓ Found ${sections.length} sections`);

    // Convert each section's markdown to HTML
    console.log('🔄 Converting sections to HTML...');
    sections.forEach(section => {
      section.content_html = markdownToHtml(section.content);
    });

    console.log('✓ Converted all sections to HTML');

    // Connect to database
    await connect();

    // Find existing document
    console.log('📊 Finding document in database...');
    const doc = await Document.findBySlug(slug);

    if (!doc) {
      console.error('❌ Error: Document not found in database');
      await close();
      process.exit(1);
    }

    console.log('✓ Found document');

    // Update document with sections and move to getting-started
    console.log('💾 Updating document with sections...');

    const updated = await Document.update(doc._id, {
      sections: sections,
      category: 'getting-started',
      order: 2 // Prominently placed in getting-started
    });

    if (!updated) {
      console.error('❌ Error: Document update failed');
      await close();
      process.exit(1);
    }

    console.log('✓ Document updated successfully!');

    console.log('\n📊 Document Details:');
    console.log(`   Title: ${doc.title}`);
    console.log(`   Slug: ${doc.slug}`);
    console.log(`   Category: getting-started (moved from research-theory)`);
    console.log(`   Order: 2`);
    console.log(`   Sections: ${sections.length}`);

    console.log('\n📋 Section Breakdown:');
    const categoryCounts = {};
    sections.forEach(section => {
      categoryCounts[section.category] = (categoryCounts[section.category] || 0) + 1;
    });

    Object.entries(categoryCounts).forEach(([category, count]) => {
      console.log(`   ${category}: ${count} sections`);
    });

    console.log('\n✅ Document now has card-based rendering enabled!');
    console.log(`   View at: https://agenticgovernance.digital/docs.html?doc=${slug}`);

    await close();

  } catch (error) {
    console.error('\n❌ Update failed:', error.message);
    console.error(error.stack);
    process.exit(1);
  }
}

// Run if called directly
if (require.main === module) {
  parseAndUpdateDocument();
}

module.exports = parseAndUpdateDocument;