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

const LOCATIONS = [
  { name: 'Atoomweg', city: 'Groningen', indoor: true, courtTypeIds: '13' },
  { name: 'Euroborg', city: 'Groningen', indoor: true, courtTypeIds: '5' },
  { name: 'Suikerterrein', city: 'Groningen', indoor: false, courtTypeIds: '' },
];

const PLAYING_TIME = '90';

function findLocation(nameOrAlias) {
  const lower = nameOrAlias.toLowerCase();
  for (const loc of LOCATIONS) {
    if (loc.name.toLowerCase() === lower || loc.city.toLowerCase() === lower) return loc;
  }
  if (lower === 'ataomweg' || lower === 'atoom') return LOCATIONS[0];
  if (lower === 'euro') return LOCATIONS[1];
  if (lower === 'suiker') return LOCATIONS[2];
  return null;
}

async function getAvailability(dateStr, locationName) {
  const loc = findLocation(locationName) || LOCATIONS[0];
  const browser = await chromium.launch({ headless: true, args: ['--no-sandbox', '--disable-gpu'], executablePath: '/usr/bin/chromium-browser' });
  const context = await browser.newContext({ userAgent: 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36' });
  const page = await context.newPage();
  
  try {
    // Bouw de URL met de juiste parameters per locatie
    let url = `https://www.peakzpadel.nl/reserveren/court-booking/reservation?daypart=---&date=${encodeURIComponent(dateStr)}&location=${encodeURIComponent(loc.name)}&playingTimes=${PLAYING_TIME}`;
    if (loc.courtTypeIds) {
      url += '&courtTypeIds=' + loc.courtTypeIds;
    }
    
    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: loc.name,
      indoor: loc.indoor,
      slots,
      available: slots.filter(s => s.available),
      unavailable: slots.filter(s => !s.available)
    };
  } catch (err) {
    return { error: err.message };
  } finally {
    await browser.close();
  }
}

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); }
  if (process.argv.includes('--json')) { console.log(JSON.stringify(result)); process.exit(0); }
  
  const dayNames = ['zo', 'ma', 'di', 'wo', 'do', 'vr', 'za'];
  const d = new Date(result.date);
  const dayLabel = dayNames[d.getDay()] + ' ' + d.getDate() + '/' + (d.getMonth()+1);
  const typeIcon = result.indoor ? '🏢' : '🌳';
  const typeLabel = result.indoor ? 'Indoor' : 'Buiten';
  
  console.log(`\n${typeIcon} Peakz Padel — ${result.location} (${typeLabel})`);
  console.log(`📅 ${dayLabel}`);
  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.slice(0, 15)) {
      console.log(`  🟢 ${s.time}${s.price ? ' — €' + s.price : ''}`);
    }
    if (result.available.length > 15) console.log(`  ... en ${result.available.length - 15} meer`);
  }
  console.log('');
  process.exit(0);
});