#!/usr/bin/env node

/**
 * Script to enrich all existing markdown files with standardized front-matter
 * Usage: node scripts/enrich-all-notes.mjs [--dry-run]
 */

import { enrichFrontmatterOnOpen } from '../server/ensureFrontmatter.mjs';
import { VAULT_PATH as CFG_VAULT_PATH } from '../server/config.mjs';
import fg from 'fast-glob';
import path from 'path';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const isDryRun = process.argv.includes('--dry-run');

const VAULT_PATH = path.isAbsolute(CFG_VAULT_PATH)
  ? CFG_VAULT_PATH
  : path.resolve(__dirname, '..', CFG_VAULT_PATH);

async function enrichAllNotes() {
  console.log('\n🔧 Front-matter Enrichment Script');
  console.log('=====================================\n');
  
  if (isDryRun) {
    console.log('⚠️  DRY RUN MODE - No files will be modified\n');
  }
  
  console.log(`📁 Vault path: ${VAULT_PATH}\n`);
  
  // Find all markdown files
  console.log('🔍 Scanning for markdown files...');
  const files = await fg(['**/*.md'], {
    cwd: VAULT_PATH,
    absolute: true,
    ignore: ['**/node_modules/**', '**/.git/**', '**/dist/**']
  });
  
  console.log(`✓ Found ${files.length} markdown files\n`);
  
  if (files.length === 0) {
    console.log('No markdown files found. Exiting.\n');
    return;
  }
  
  // Process files
  let enriched = 0;
  let skipped = 0;
  let errors = 0;
  
  console.log('📝 Processing files...\n');
  
  for (let i = 0; i < files.length; i++) {
    const file = files[i];
    const relativePath = path.relative(VAULT_PATH, file);
    const progress = `[${i + 1}/${files.length}]`;
    
    try {
      if (isDryRun) {
        // In dry-run mode, just log what would happen
        console.log(`${progress} Would process: ${relativePath}`);
        skipped++;
      } else {
        const result = await enrichFrontmatterOnOpen(file);
        
        if (result.modified) {
          console.log(`${progress} ✓ Enriched: ${relativePath}`);
          enriched++;
        } else {
          console.log(`${progress} ○ Already compliant: ${relativePath}`);
          skipped++;
        }
      }
    } catch (error) {
      console.error(`${progress} ✗ Error processing ${relativePath}:`, error.message);
      errors++;
    }
  }
  
  // Summary
  console.log('\n=====================================');
  console.log('📊 Summary\n');
  console.log(`Total files:     ${files.length}`);
  console.log(`Enriched:        ${enriched}`);
  console.log(`Already OK:      ${skipped}`);
  console.log(`Errors:          ${errors}`);
  console.log('=====================================\n');
  
  if (isDryRun) {
    console.log('💡 Run without --dry-run to apply changes\n');
  } else if (enriched > 0) {
    console.log('✨ Enrichment complete!');
    console.log('💡 Remember to reindex Meilisearch: npm run meili:reindex\n');
  } else {
    console.log('✨ All files are already compliant!\n');
  }
  
  if (errors > 0) {
    process.exit(1);
  }
}

// Execute
enrichAllNotes().catch(err => {
  console.error('\n❌ Fatal error:', err);
  process.exit(1);
});