/**
 * disk-manager.ts
 * Copyright (C) 2021 Sanar
 *
 * @author Edgard Leal <edgard.leal@sanar.com>
 * @module disk-manager.ts
 */
import os from 'os';
import { join } from 'path';
import fs from 'fs';

export const DATA_DIR = `${os.homedir()}/.backup`;

/**
 * Resolve a file/dir name/path base on backup dir ( DATA_DIR )
 *
 * @example
 * ```
 * resolvePath('info.txt'); // /home/user/.backup/info.txt
 * ```
 * @author edgardleal
 * @since 06.05.21
 */
export function resolvePath(p: string): string {
  const finalDir = p.indexOf(DATA_DIR) > -1 ? p : join(DATA_DIR, p);
  return finalDir;
}

export function mkdir(path: string) {
  return new Promise((resolve, reject) => {
    const finalDir = resolvePath(path);
    if (fs.existsSync(finalDir)) {
      resolve(finalDir);
    } else {
      fs.mkdir(finalDir, { recursive: true }, (error?: any) => {
        if (error) {
          reject(error);
        } else {
          resolve(path);
        }
      });
    }
  });
}