<?php

namespace ActivityPhp;

/**
 * \ActivityPhp\Version handles current version of this package
 */
abstract class Version
{
	/**
	 * Get ActivityPhp version
	 */
	public static function getVersion(): string
	{
		$filename = dirname(__DIR__, 2) . '/composer.json';

		self::checkFile($filename);

		$composer = json_decode(
		    file_get_contents($filename)
		);

		if (json_last_error() === JSON_ERROR_NONE) {
		    if (isset($composer->version) && is_string($composer->version)) {
		        return $composer->version;
		    }
		}

		return 'Undefined';
	}


	/**
	 * get root namespace
	 */
	public static function getRootNamespace(): string
	{
		return __NAMESPACE__;
	}


	/**
	 * Check that given filename is a string and is readable
	 *
	 * @throws \Exception if filename is not a string
	 *                 or if filename is not a file
	 *                 or if file is not readable
	 */
	public static function checkFile(string $filename): void
	{
		if (! is_string($filename)) {
		    throw new Exception(
		        'FILE_ERROR Filename must be a string. Given: '
		        . gettype($filename)
		    );
		}

		// Must be readable
		if (! is_readable($filename)) {
		    throw new Exception(
		        "FILE_ERROR Filename '{$filename}' is not readable"
		    );
		}

		// Must be a file
		if (! is_file($filename)) {
		    throw new Exception(
		        "FILE_ERROR Filename '{$filename}' must be a file"
		    );
		}
	}
}
__halt_compiler();----SIGNATURE:----dGGblRgnzIx8pv3YipmOB79cpMyFu9Yb7rTJZLr+5EkINwUD6K/j1IzlrgNhm1wZmDuh8BzKbRjT1ke+UQF7Kx6r8Q6WYGyO9hmgoN2S65tY/X8HfUsp6YKVR40eMFX7WgwilofnacMbovkOFru7vQbXmvNe6wHNkLe8Uw8CZ40XpR9pjXCB8UVBW8a75p2u61VcV3sYGDRJeWYO1vyhRbUA2UlbzW+zdrzyzXXduP1O32qgUS6fOr3IjC24jcq3EdxpyxDaby3LsL2W2/+QKTkxAXlIUJhCKroI+JW+IDgxmNEU1Mqz6Zsjcf7OENJ9MGKvxO932PW2I9TGugBuONKgxVWTk2tcSaMoif57BGGQQYGTI10atm6jctGZ1sNNcxUd7Gm3va5OH6Z06DaA/hs+2Sxg3bZmNJ1YEoOaJ4MrMXv+vh1AYzyIMjdo8T4RgYn+IxS6Ch3z2unhDe249c5S3YBaNbUT9nCOJNH2b2z/bpwXVr/p7KlYvYKVlPl7CWk7ENHICCYSvT+BSqZHIVAtw1cZk22xtKAZI5KmPqCBNK8B/hl/y38rdpR/gpqs1O1YBbZLFDLTcp/TW2kd2kr/QM50ebcrMf8B3m1zrxG7EhkHRHwyVhDO2Ef5vDlO3LeNIZQD+9hSpkFmDlUwdWLT1KCNb/QIHOQHhX5Wssw=----ATTACHMENT:----NjE5NjM0MzU2NDczNjIwIDQwNDE2NTA0MjU0NTI2MzEgNjM5MzYyNTg0OTEwNDU3NQ==