/**
 * File: youtube.ts
 * Created by: AI Assistant
 * Date: 2025-11-29
 * Purpose: YouTube utility functions
 * Part of: kreatiVortex - Platform Pembelajaran Tari Online
 */

export function extractYoutubeId(url: string): string | null {
  const regex = /(?:youtube\.com\/(?:watch\?v=|embed\/|v\/|shorts\/)|youtu\.be\/(?:watch\?v=|embed\/|v\/|shorts\/))([a-zA-Z0-9_-]{11})/;
  const match = url.match(regex);
  
  if (match && match[1]) {
    return match[1];
  }
  
  return null;
}

export function generateYoutubeEmbedUrl(url: string): string {
  const videoId = extractYoutubeId(url);
  if (videoId) {
    return `https://www.youtube.com/embed/${videoId}`;
  }
  
  return url;
}

export function generateYoutubeThumbnailUrl(url: string): string {
  const videoId = extractYoutubeId(url);
  if (videoId) {
    return `https://img.youtube.com/vi/${videoId}/maxresdefault.jpg`;
  }
  
  return '';
}