<?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:----Ed+IptzR8+PX7OKkA8hcAoZRHRD0lbmYBfHsJE4K3g1cOAC9STnjKx6I7+djbHuz/lk5xf8UzWqw3nBFhU3boCBjASBuk6lxY6YU6tAGc6dU9m9l/E7UwScmYocuMzbXfTfaJYaPCTyQ8Yje8YnVHYN4R/CpQJJHma7bE0OGCUomKMW5Ynm3M9wTcH+BBGxyi32O5N3eQIoOhe+mYsFy5p/TxJ1lVFS3yiEvr051bs9YxRxBeR8wCgE6dfiUd7a28LDL48LD0bQvpwRrSdO09o/jJ3hbG4a9kXRQhHUsJHkuDGYmbQovhzf5lIK60VXp1CkAEL3k/gW1+/EQuyLI35aYFPIM4q9uMTk17GGfCchppImW/fxiKMeHQTZBOxrjgZt2tbB6Qg96dDTbg3YS4HrS7mjx3E2GO1voZuB/f3CB3W7lYVpbW06ceCwYS7l0Dl5rhD1G4V5LLPjxSYkbGYPUQG5OvLEsZi9pm4TAw53ibVK2BK0tVfHyFXNudtKOrnJrolGnlPfBXva9vD6hn+EFsIvh7Cn/3jBkdh3dDEQBEQVKr7tlMMIi1jZCpU8pA2TQXmT6fZQaPCBw3JcYP5SQLFnfRv9U6J7BLFhkE1xojRzACP7NVnWV6OcIfVa9KrfC74bVBRBo82qAtg005mMJBFwkXYNJ48h7LajKFtk=----ATTACHMENT:----ODQzNzE1MjU2Mzg0NTMxNiAzNzA4MTY0MDkzOTYwMzI4IDY5Mjk1ODYyNjMxNTA3MzY=