import { API_BASE_URL } from "./client";

/**
 * Get preview URL for a file
 * @param path - File path
 * @param size - Preview size (128, 256, 512)
 */
export function getPreviewUrl(path: string, size: number = 256): string {
  const encodedPath = encodeURIComponent(path.slice(1)); // Remove leading slash
  return `${API_BASE_URL}/preview/${size}/${encodedPath}`;
}

/**
 * Check if a file type is previewable
 */
export function isPreviewable(filename: string): boolean {
  const ext = filename.split(".").pop()?.toLowerCase() || "";
  const previewableTypes = [
    // Images
    "jpg",
    "jpeg",
    "png",
    "gif",
    "webp",
    "svg",
    "bmp",
    // Video
    "mp4",
    "webm",
    "ogv",
    // Audio
    "mp3",
    "wav",
    "ogg",
    // Documents
    "pdf",
    "txt",
    "md",
    "json",
    "xml",
    "html",
    "css",
    "js",
  ];
  return previewableTypes.includes(ext);
}

/**
 * Get file type category
 */
export function getFileType(filename: string): "image" | "video" | "audio" | "document" | "unknown" {
  const ext = filename.split(".").pop()?.toLowerCase() || "";
  
  const imageExts = ["jpg", "jpeg", "png", "gif", "webp", "svg", "bmp"];
  const videoExts = ["mp4", "webm", "ogv"];
  const audioExts = ["mp3", "wav", "ogg"];
  const docExts = ["pdf", "txt", "md", "json", "xml", "html", "css", "js"];

  if (imageExts.includes(ext)) return "image";
  if (videoExts.includes(ext)) return "video";
  if (audioExts.includes(ext)) return "audio";
  if (docExts.includes(ext)) return "document";
  return "unknown";
}