import { clsx, type ClassValue } from "clsx"
import { twMerge } from "tailwind-merge"
import type { Folder, File, FileSystemNode } from '@/app/api/files/route';

export function cn(...inputs: ClassValue[]) {
  return twMerge(clsx(inputs))
}

export function findNodeByPath(node: Folder, path: string): Folder | null {
  if (node.path === path) {
    return node;
  }
  for (const child of node.children) {
    if (child.type === 'folder') {
      const found = findNodeByPath(child, path);
      if (found) {
        return found;
      }
    }
  }
  return null;
}

export function getAllFiles(node: Folder): File[] {
  let files: File[] = [];
  for (const child of node.children) {
    if (child.type === 'file') {
      files.push(child);
    } else if (child.type === 'folder') {
      files = files.concat(getAllFiles(child));
    }
  }
  return files;
}

export function getNodesByIds(node: Folder, ids: string[]): FileSystemNode[] {
    let results: FileSystemNode[] = [];
    if (ids.includes(node.id)) {
        results.push(node);
    }
    for (const child of node.children) {
        if (child.type === 'folder') {
            results = results.concat(getNodesByIds(child, ids));
        } else if (ids.includes(child.id)) {
            results.push(child);
        }
    }
    return results;
}