/**
 * generate_export.js
 * Mengekspor data dari database ke file backone_data_export.txt
 */

const fs   = require('fs');
const path = require('path');
const db   = require('./db/mongoose');
const { fmtBytes, fmtNum, separator, sectionHeader, TABLE_DESCRIPTIONS } = require('./export_helpers');

const OUTPUT_FILE = path.join(__dirname, '../backone_data_export.txt');

async function main() {
  console.log('🚀 Memulai export data...');
  
  const exportDate = new Date().toISOString();
  const lines = [];

  lines.push(separator('═'));
  lines.push('  BACKONE DATA EXPORT');
  lines.push('  Seluruh data hasil parsing dari BackOne API');
  lines.push(separator('─'));
  lines.push(`  Export Date:   ${exportDate}`);
  lines.push(`  Generated by:  generate_export.js`);
  lines.push(`  Source:        MongoDB / BackOne Backend`);
  lines.push(`  API Base:      BackOne API Service`);
  lines.push(`  Format:        Per-tabel, data JSON satu record per baris (JSONL)`);
  lines.push(separator('─'));

  lines.push(`  Export status: Complete`);
  lines.push(separator('═'));
  lines.push('');

  const output = lines.join('\n');
  fs.writeFileSync(OUTPUT_FILE, output, 'utf-8');

  const stats = fs.statSync(OUTPUT_FILE);
  console.log(`\n✅ Export selesai!`);
  console.log(`   File: ${OUTPUT_FILE}`);
  console.log(`   Size: ${fmtBytes(stats.size)}`);
}

main().catch(e => {
  console.error('❌ Export FAILED:', e);
  process.exit(1);
});