video func implemented

frontend/src/lib/api.ts

@@ -13,6 +13,9 @@ export interface Article {
   featuredImage: string;
   imagePosition: 'top' | 'left' | 'right' | 'none';
   imageSize: 'small' | 'medium' | 'large';
+  videoUrl: string;
+  videoPosition: 'top' | 'inline' | 'bottom' | 'none';
+  videoCaption: string;
   tags: string[];
   status: 'draft' | 'published' | 'archived';
   views: number;
@@ -131,6 +134,9 @@ export interface LiveBlog {
   featuredImage: string;
   imagePosition: 'top' | 'left' | 'right' | 'none';
   imageSize: 'small' | 'medium' | 'large';
+  videoUrl: string;
+  videoPosition: 'top' | 'inline' | 'bottom' | 'none';
+  videoCaption: string;
   viewCount: number;
   author?: {
     id: string;

frontend/src/lib/video-utils.ts

@@ -0,0 +1,157 @@
+/**
+ * Video utilities for handling YouTube embeds and video URLs
+ */
+
+export type VideoPosition = 'top' | 'inline' | 'bottom' | 'none';
+export type VideoPlatform = 'youtube' | 'vimeo' | 'dailymotion' | 'twitch' | 'uploaded' | 'external';
+
+/**
+ * Extract YouTube video ID from various URL formats
+ * Supported formats:
+ * - https://www.youtube.com/watch?v=VIDEO_ID
+ * - https://youtu.be/VIDEO_ID
+ * - https://www.youtube.com/embed/VIDEO_ID
+ * - https://www.youtube.com/v/VIDEO_ID
+ * - https://www.youtube.com/shorts/VIDEO_ID
+ */
+export function extractYouTubeVideoId(url: string): string | null {
+  if (!url) return null;
+  
+  const patterns = [
+    // Standard watch URL
+    /(?:youtube\.com\/watch\?v=|youtu\.be\/|youtube\.com\/embed\/|youtube\.com\/v\/|youtube\.com\/shorts\/)([a-zA-Z0-9_-]{11})/,
+    // Just the video ID
+    /^([a-zA-Z0-9_-]{11})$/,
+  ];
+  
+  for (const pattern of patterns) {
+    const match = url.match(pattern);
+    if (match && match[1]) {
+      return match[1];
+    }
+  }
+  
+  return null;
+}
+
+/**
+ * Check if a URL is a valid YouTube URL
+ */
+export function isValidYouTubeUrl(url: string): boolean {
+  return extractYouTubeVideoId(url) !== null;
+}
+
+/**
+ * Get YouTube thumbnail URL for a video ID
+ * Quality options: default, mq (medium), hq (high), sd (standard), maxres (maximum resolution)
+ */
+export function getYouTubeThumbnail(
+  videoId: string, 
+  quality: 'default' | 'mq' | 'hq' | 'sd' | 'maxres' = 'hq'
+): string {
+  const qualityMap = {
+    default: 'default.jpg',
+    mq: 'mqdefault.jpg',
+    hq: 'hqdefault.jpg',
+    sd: 'sddefault.jpg',
+    maxres: 'maxresdefault.jpg',
+  };
+  
+  return `https://img.youtube.com/vi/${videoId}/${qualityMap[quality]}`;
+}
+
+/**
+ * Detect video platform from URL
+ */
+export function detectVideoPlatform(url: string): VideoPlatform {
+  if (!url) return 'external';
+  
+  if (url.includes('youtube.com') || url.includes('youtu.be')) return 'youtube';
+  if (url.includes('vimeo.com')) return 'vimeo';
+  if (url.includes('dailymotion.com')) return 'dailymotion';
+  if (url.includes('twitch.tv')) return 'twitch';
+  if (url.match(/\.(mp4|webm|ogg|mov|avi|wmv|flv|mkv)$/i)) return 'uploaded';
+  
+  return 'external';
+}
+
+/**
+ * Generate YouTube embed URL with privacy-enhanced mode and parameters
+ */
+export function generateYouTubeEmbedUrl(
+  videoId: string,
+  options: {
+    autoplay?: boolean;
+    controls?: boolean;
+    modestbranding?: boolean;
+    rel?: boolean;
+    playsinline?: boolean;
+    start?: number;
+    end?: number;
+  } = {}
+): string {
+  const {
+    autoplay = false,
+    controls = true,
+    modestbranding = true,
+    rel = false,
+    playsinline = true,
+    start,
+    end,
+  } = options;
+  
+  const params = new URLSearchParams({
+    autoplay: autoplay ? '1' : '0',
+    controls: controls ? '1' : '0',
+    modestbranding: modestbranding ? '1' : '0',
+    rel: rel ? '1' : '0',
+    playsinline: playsinline ? '1' : '0',
+  });
+  
+  if (start !== undefined) params.set('start', start.toString());
+  if (end !== undefined) params.set('end', end.toString());
+  
+  // Use privacy-enhanced mode (youtube-nocookie.com)
+  return `https://www.youtube-nocookie.com/embed/${videoId}?${params.toString()}`;
+}
+
+/**
+ * Get CSS classes for video positioning
+ */
+export function getVideoPositionClasses(position: VideoPosition): string {
+  switch (position) {
+    case 'top':
+      return 'mb-8';
+    case 'inline':
+      return 'my-6';
+    case 'bottom':
+      return 'mt-8';
+    case 'none':
+      return '';
+    default:
+      return 'my-6';
+  }
+}
+
+/**
+ * Validate video URL
+ */
+export function validateVideoUrl(url: string): { isValid: boolean; platform: VideoPlatform; error?: string } {
+  if (!url) {
+    return { isValid: false, platform: 'external', error: 'Video URL is required' };
+  }
+  
+  try {
+    new URL(url);
+  } catch {
+    return { isValid: false, platform: 'external', error: 'Invalid URL format' };
+  }
+  
+  const platform = detectVideoPlatform(url);
+  
+  if (platform === 'youtube' && !isValidYouTubeUrl(url)) {
+    return { isValid: false, platform: 'youtube', error: 'Invalid YouTube URL' };
+  }
+  
+  return { isValid: true, platform };
+}