class GithubActionError

final class GithubActionError {
    
    /**
     * @var IOInterface
     */
    protected $io;
    public function __construct(IOInterface $io) {
        $this->io = $io;
    }
    public function emit(string $message, ?string $file = null, ?int $line = null) : void {
        if (Platform::getEnv('GITHUB_ACTIONS') && !Platform::getEnv('COMPOSER_TESTS_ARE_RUNNING')) {
            $message = $this->escapeData($message);
            if ($file && $line) {
                $file = $this->escapeProperty($file);
                $this->io
                    ->write("::error file=" . $file . ",line=" . $line . "::" . $message);
            }
            elseif ($file) {
                $file = $this->escapeProperty($file);
                $this->io
                    ->write("::error file=" . $file . "::" . $message);
            }
            else {
                $this->io
                    ->write("::error ::" . $message);
            }
        }
    }
    private function escapeData(string $data) : string {
        // see https://github.com/actions/toolkit/blob/4f7fb6513a355689f69f0849edeb369a4dc81729/packages/core/src/command.ts#L80-L85
        $data = str_replace("%", '%25', $data);
        $data = str_replace("\r", '%0D', $data);
        $data = str_replace("\n", '%0A', $data);
        return $data;
    }
    private function escapeProperty(string $property) : string {
        // see https://github.com/actions/toolkit/blob/4f7fb6513a355689f69f0849edeb369a4dc81729/packages/core/src/command.ts#L87-L94
        $property = str_replace("%", '%25', $property);
        $property = str_replace("\r", '%0D', $property);
        $property = str_replace("\n", '%0A', $property);
        $property = str_replace(":", '%3A', $property);
        $property = str_replace(",", '%2C', $property);
        return $property;
    }

}