<?php
class utils
{
	public static function globsafe(string $path) : string
	{
		$path = str_replace('[', '\[', $path);
		$path = str_replace(']', '\]', $path);
		$path = str_replace('\[', '[[]', $path);
		$path = str_replace('\]', '[]]', $path);
		return $path;
	}
	
	public static function recursive_zip_map($zip, $root, $path)
	{
		$files = glob($path . "/*");
		foreach ($files as $file)
		{
			if (is_dir($file))
			{
				self::recursive_zip_map($zip, $root, $file);
			}
			else
			{
				$relative = str_replace(array("@-".$root."/", "@-".$root), "", "@-".$file);
				$zip->addFile($file, $relative);
			}
		}
	}
	
	// does nothing if the directory already exists
	public static function make_directory(string $directory) : void
	{
		if (!file_exists($directory))
		{
			mkdir($directory, 0777, true);
		}
	}
	
	public static function load_json(string $path) : array
	{
		try
		{
			$raw = file_get_contents($path);
		}
		catch (Exception $e)
		{
			$raw = "";
		}
		
		return json_decode($raw, true) ?? array();
	}
	
	public static function to_unix_slashes(string $path) : string
	{
		return str_replace("\\", "/", $path);
	}
	
	public static function remove_trailing_slashes(string $path) : string
	{
		return rtrim($path, "/");
	}
	
	public static function to_unix_slashes_without_trail(string $path) : string
	{
		return self::remove_trailing_slashes(self::to_unix_slashes($path));
	}
}