<?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:----NTYzNDM0MDI2OTQzOTk1NSA1NTcxNTM1NzQwMTEwNDI2IDE0MjAzOTUzNDU1OTIyNDQ=