const fs = require('fs');
const csv = require('csv-parser');

const CSV_PATH = '/mnt/HC_Volume_103713257/tilbudgivern/frontend/firmadata/subvendor/bygma/PrisBog_CLEANED.csv';

let lineCount = 0;
let found118266 = false;

console.log('📊 Scanning CSV with csv-parser...\n');

fs.createReadStream(CSV_PATH)
  .pipe(csv({
    separator: ';',
    headers: ['Varegrp', 'VareNr', 'Tekst', 'Enhed', 'BruttoPris', 'Opdat', 'Nettopris', 'DB-nr', 'EAN-nr', 'Std'],
    skipLinesWithError: true,
    strict: false,
    skipEmptyLines: true
  }))
  .on('data', (row) => {
    lineCount++;
    
    if (row.VareNr && row.VareNr.replace(/\s+/g, '').trim() === '118266') {
      found118266 = true;
      console.log(`✅ FOUND 118266 at line ${lineCount}!`);
      console.log('Data:', row);
    }
    
    if (lineCount % 10000 === 0) {
      console.log(`Processed ${lineCount} lines...`);
    }
  })
  .on('end', () => {
    console.log(`\n📊 Total lines parsed: ${lineCount}`);
    console.log(`Product 118266 found: ${found118266 ? 'YES ✅' : 'NO ❌'}`);
  })
  .on('error', (error) => {
    console.error('❌ Error:', error.message);
    console.log(`Stopped at line ${lineCount}`);
  });