import https from 'https';

const KEYWORDS = [
  'receipt scanner to excel',
  'receipt to excel',
  'receipt scanner',
  'expense tracker',
  'tax receipt organizer',
  'receipt keeper',
  'invoice scanner',
  'bookkeeping scanner',
  'ocr receipt scanner',
  'extract receipt to csv'
];

const COUNTRIES = [
  { code: 'us', name: 'USA' },
  { code: 'gb', name: 'UK' },
  { code: 'ca', name: 'Canada' },
  { code: 'au', name: 'Australia' }
];

function fetchSearch(term, country) {
  return new Promise((resolve) => {
    const url = `https://itunes.apple.com/search?term=${encodeURIComponent(term)}&country=${country}&entity=software&limit=5`;
    const req = https.get(url, { headers: { 'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)' } }, (res) => {
      let data = '';
      res.on('data', chunk => data += chunk);
      res.on('end', () => {
        try {
          resolve(JSON.parse(data));
        } catch {
          resolve({ results: [] });
        }
      });
    });
    req.on('error', () => resolve({ results: [] }));
    req.setTimeout(4000, () => {
      req.destroy();
      resolve({ results: [] });
    });
  });
}

async function run() {
  const table = [];

  for (const kw of KEYWORDS) {
    const row = { keyword: kw, countries: {} };
    for (const c of COUNTRIES) {
      const data = await fetchSearch(kw, c.code);
      const apps = data.results || [];
      const top1 = apps[0] || {};
      const avgReviews = apps.length ? Math.round(apps.reduce((s, a) => s + (a.userRatingCount || 0), 0) / apps.length) : 0;
      
      row.countries[c.name] = {
        top1Name: top1.trackName ? top1.trackName.slice(0, 25) : 'None',
        top1Reviews: top1.userRatingCount || 0,
        avgReviews,
        resultCount: apps.length
      };
      await new Promise(r => setTimeout(r, 150));
    }
    table.push(row);
  }

  console.log(JSON.stringify(table, null, 2));
}

run();