// YouTube is only contacted after a click, until then it's just a link with a poster
export function initVideos() {
  for (const box of document.querySelectorAll('[data-youtube]')) {
    const play = box.querySelector('[data-video-play]');
    play?.addEventListener('click', (event) => {
      if (event.metaKey || event.ctrlKey || event.shiftKey) return;
      event.preventDefault();
      const iframe = document.createElement('iframe');
      iframe.src = `https://www.youtube-nocookie.com/embed/${encodeURIComponent(box.dataset.youtube)}?autoplay=1&rel=0`;
      iframe.title = box.dataset.title || 'YouTube';
      iframe.allow = 'accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share';
      iframe.allowFullscreen = true;
      // YouTube refuses to play embeds without a referrer, helmet sets no-referrer for the page
      iframe.referrerPolicy = 'strict-origin-when-cross-origin';
      box.replaceChildren(iframe);
      iframe.focus();
    });
  }
}