<?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:----NTQyMDc0NzMyNzUwNTc1NSAxMDgyNDMxMjkyOTYyOTQ3IDIwOTM3OTg1NzIwNTMyMDc=