<?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:----NDM0NDkzOTgwODQxNTAwOCAzNTQ5MDkyOTczMTM4OTM2IDk0NTA0OTA0NzAwMTg4MzI=