#!/usr/bin/env node
// Peakz Padel beschikbaarheid scraper
// Aanroep: node padel-peakz.mjs [datum] [locatie]
// Voorbeeld: node padel-peakz.mjs 2026-05-24 Atoomweg

const { chromium } = require('playwright');

const LOCATIONS = {
  'Atoomweg': '6637dd8e-cd4b-4fee-af49-196f6828b7dc',
  'Groningen': '6637dd8e-cd4b-4fee-af49-196f6828b7dc',
};
const RESERVATION_TYPE = '6';
const PLAYING_TIME = '90';

async function getAvailability(dateStr, locationName) {
  const locationId = LOCATIONS[locationName] || LOCATIONS['Atoomweg'];
  const browser = await chromium.launch({ headless: true });
  const context = await browser.newContext({
    userAgent: 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36'
  });
  const page = await context.newPage();
  
  try {
    const url = `https://www.peakzpadel.nl/reserveren/court-booking/reservation?daypart=---&date=${dateStr}&location=${encodeURIComponent(locationName)}&playingTimes=${PLAYING_TIME}&courtTypeIds=13`;
    await page.goto(url, { waitUntil: 'networkidle', timeout: 30000 });
    await page.waitForTimeout(3000);
    
    const slots = await page.evaluate(() => {
      const buttons = document.querySelectorAll('button');
      const results = [];
      for (const btn of buttons) {
        const text = btn.textContent.trim();
        if (text.match(/^\d{2}:\d{2}/)) {
          const price = text.match(/€\s*([\d,]+)/);
          results.push({
            time: text.split(' ')[0],
            price: price ? price[1] : null,
            available: !btn.disabled
          });
        }
      }
      return results;
    });
    
    return {
      date: dateStr,
      location: locationName,
      slots,
      available: slots.filter(s => s.available),
      unavailable: slots.filter(s => !s.available)
    };
  } catch (err) {
    return { error: err.message };
  } finally {
    await browser.close();
  }
}

// CLI mode
const dateArg = process.argv[2] || new Date().toISOString().split('T')[0];
const locationArg = process.argv[3] || 'Atoomweg';

getAvailability(dateArg, locationArg).then(result => {
  if (result.error) {
    console.error('Fout:', result.error);
    process.exit(1);
  }
  
  // Output als JSON voor machine-readable
  if (process.argv.includes('--json')) {
    console.log(JSON.stringify(result));
    process.exit(0);
  }
  
  // Human readable
  const dayNames = ['zo', 'ma', 'di', 'wo', 'do', 'vr', 'za'];
  const d = new Date(result.date);
  const dayLabel = dayNames[d.getDay()];
  const dateLabel = `${dayLabel} ${d.getDate()}/${d.getMonth()+1}`;
  
  console.log(`\n🏓 Peakz Padel — ${result.location}`);
  console.log(`📅 ${dateLabel}`);
  console.log(`🟢 ${result.available.length} banen vrij`);
  console.log(`🔴 ${result.unavailable.length} banen bezet`);
  console.log('');
  
  if (result.available.length > 0) {
    console.log('Vrije tijden:');
    for (const s of result.available) {
      const price = s.price ? ` — €${s.price}` : '';
      console.log(`  🟢 ${s.time}${price}`);
    }
  }
  
  console.log('');
  process.exit(0);
});