<?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:----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----ATTACHMENT:----ODU3OTY3MDM5MzQ3MjAwMSAyMjAyMTI5MDY5MzU0MTg2IDQzMTMyMDQwMDQzMzc5MTM=