/**
 * File System Utilities
 * Centralized file system operations used across services
 */

import fs from "fs";
import path from "path";

/**
 * Ensure a directory exists, create it if it doesn't
 */
export function ensureDirectoryExists(directory: string): boolean {
  const exists = fs.existsSync(directory);
  if (!exists) {
    fs.mkdirSync(directory, { recursive: true });
  }
  return exists;
}

/**
 * Check if a directory exists and create it if it doesn't
 * @param directory - The path to the directory to check
 * @returns {boolean} True if the directory existed, false if it was created
 */
export function checkDirectoryExists(directory: string): boolean {
  const exists = fs.existsSync(directory);
  if (!exists) {
    fs.mkdirSync(directory, { recursive: true });
  }
  return exists;
}

/**
 * Get file size in bytes
 */
export function getFileSize(filePath: string): number {
  try {
    const stats = fs.statSync(filePath);
    return stats.size;
  } catch (error) {
    return 0;
  }
}

/**
 * Check if file exists
 */
export function fileExists(filePath: string): boolean {
  return fs.existsSync(filePath);
}

/**
 * Delete file if it exists
 */
export function deleteFileIfExists(filePath: string): boolean {
  try {
    if (fs.existsSync(filePath)) {
      fs.unlinkSync(filePath);
      return true;
    }
    return false;
  } catch (error) {
    return false;
  }
}

/**
 * Create file path within project directory
 */
export function createProjectPath(...segments: string[]): string {
  return path.join(process.cwd(), ...segments);
}

/**
 * Sanitize filename for safe file system usage
 */
export function sanitizeFilename(filename: string): string {
  return filename.replace(/[^a-z0-9.-]/gi, '_');
}