<?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:----ODMyMjA5NTE2NjU4Nzk1MiAxMDA4OTczOTUwNjA3OTIgNzcwMzYxODczMjgxOTQ2OQ==