<?php
namespace DBot\Telegram;

class Base
{
	protected $_fp;
	public function __construct($Socket)
	{
		$this->_fp = stream_socket_client($Socket);
		if ($this->_fp === false) {
			throw new ClientException('Could not connect to socket "' . $Socket . '"');
		}
		stream_set_timeout($this->_fp, 1);
	}

	public function __destruct()
	{
		fclose($this->_fp);
	}


	public function exec($command)
	{
		fwrite($this->_fp, str_replace("\n", '\n', $command) . PHP_EOL);

		$answer = fgets($this->_fp);
		if (is_string($answer)) {
			if (substr($answer, 0, 7) === 'ANSWER ') {
				$bytes = (int) substr($answer, 7);
				if ($bytes > 0) {
					$Response = trim(fread($this->_fp, $bytes + 1));
					return $Response;
				}
			}elseif ($answer === PHP_EOL) {
				return true;
			}
		}

		return false;
	}
}