import { Photo } from '@prisma/client';

/**
 * Determines if a path is a URL (http/https) or a file system path
 */
export function isUrl(path: string): boolean {
  return path.startsWith('http://') || path.startsWith('https://');
}

/**
 * Check if photo is a video
 */
export function isVideo(photo: Photo): boolean {
  // Handle both camelCase (Prisma client) and snake_case (direct DB access)
  return (photo as any).mediaType === 'video' || (photo as any).media_type === 'video';
}

/**
 * Gets the appropriate image source URL
 * - URLs (SharePoint, CDN, etc.) → use directly
 * - File system paths → use API proxy
 * - Videos → use thumbnail endpoint (for grid display)
 */
export function getImageSrc(photo: Photo, options?: { watermark?: boolean; thumbnail?: boolean }): string {
  // For videos, use thumbnail endpoint if requested (for grid display)
  if (options?.thumbnail && isVideo(photo)) {
    return `/api/photos/${photo.id}/image?thumbnail=true`;
  }

  if (isUrl(photo.path)) {
    if (typeof window !== 'undefined' && process.env.NODE_ENV === 'development') {
      console.log(`✅ Photo ${photo.id}: Using DIRECT access for URL:`, photo.path);
    }
    return photo.path;
  }

  const params = new URLSearchParams();
  if (options?.watermark) {
    params.set('watermark', 'true');
  }
  const query = params.toString();

  if (typeof window !== 'undefined' && process.env.NODE_ENV === 'development') {
    console.log(`📁 Photo ${photo.id}: Using API PROXY for file path:`, photo.path);
  }

  return `/api/photos/${photo.id}/image${query ? `?${query}` : ''}`;
}

/**
 * Gets the appropriate video source URL
 */
export function getVideoSrc(photo: Photo): string {
  if (isUrl(photo.path)) {
    return photo.path;
  }
  return `/api/photos/${photo.id}/image`;
}