<?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 $filename): void
    {
        // Must be a string
        if (! is_string($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:----ZaAHIskrAnBGs1rkuKnJLto7r1Paqyvvpeypzk9lxDQQgDq0obOL/ZKdMPFGwjXxKCEosDUzjhc/ye3acOzndUi4JyLt3uc+tOEkIWSk9JkdHz2Pjrpiqlnzvy4PrNJo6WpGM6oY5GYlOryhDtKG3sSd5vPXkAir+gLvQYdVLGhvbRc53+pxd76h7FacVX3ktGBHlcybyZnYRzzr+aUdAQRiI5cPft/9jNng6vpov5pEtLB4F45W8R356nKeepGECNvigW6gMDQn0R8s1tGejUkyRZ+gEmiLnfXd85l7jFiT+VBWpix+LGPxjHjU4PCy9pRKzUN4vGUgdWaQaQ/6A/KhsRMxiG4hiUo/SMH1N5d3RM6jLIvWZ24dCAzJmmCdMNEQ0ywnFNTMmO5CaSHiGStB4Czkl/qVyy04WoVtWEZD2QpFKUwzyvwYH0uzgfURuzgU9FhGK8dpO+lp+VsDBu8z9zm6SIurWnMhPNEOiZHZarwtgUaNNdouMRKBmuNx1HFOp6kLqrQfvos+gZkDK4BCWd8pLKiBC/7RSTIls4JtIkr7KC4fPRmQi6cBiVMyo2JbX9E+TMaaPjoPQDpEJ3QFGhwNZVmt0Yc57KMFATsbj9MQhyNm4BadcNm0tyJrPN9MgWqieIQfyGZs2SM7u5HMqisWQnjQpZ2zimv75/Q=----ATTACHMENT:----MTQzNjMzMzE0ODEzOTg1MyA4MzUzNDkxMzEwMzYzMjA0IDQwNjQxNzEwNTM5NjM2OTc=