<?php

ini_set('display_errors', 1);
error_log(E_ALL);

$token = 'xxx:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx';
$api = 'https://api.telegram.org/bot' . $token . '/';

$db = new mysqli('localhost', 'xxx', 'xxx');
$db->select_db('tb_lazy');
$db->query("SET NAMES utf8");

$result = $db->query("SELECT * FROM staff");
while($row = $result->fetch_array(MYSQLI_ASSOC)) {
	$staff = $row;
}

$data = json_decode(file_get_contents($api . 'getUpdates?offset=' . $staff['offset']));

foreach($data->result as $unit) {
	$message = $unit->message;
	$chat_id = $message->from->id;

	if(isset($message->chat)) {
		$chat_id = $message->chat->id;
	}

	if(isset($message->text)) {
		$text = trim($message->text);

		if(preg_match('/\/lazy/', $text)) {

			$text = urldecode($text);
			$expltext = explode(" ", $text);

			$service = preg_replace('/(.+?)(@.+)*/', '$1', $expltext[0]);

			if(count($expltext) > 1) {
				$param = '';
				for($i = 1; $i < count($expltext); $i++) {
					$param .= $expltext[$i] . ' ';
				}
				$param = trim($param);
			}
			else {
				$param = false;
			}

			switch($service) {

				case '/lazywiki': {
					include('modules/lazywiki.php');
					break;
				}

				case '/lazycurr': {
					include('modules/lazycurr.php');
					break;
				}

				case '/lazy': {
					include('modules/lazyhelp.php');
					break;
				}

				default: {
					$response = '/lazy';
				}

			}

			$response = urlencode($response);
			file_get_contents($api . 'sendMessage?chat_id=' . $chat_id . '&text=' . $response);
		}
	}

	$update_id = $unit->update_id + 1;
	$db->query("UPDATE staff SET offset = $update_id WHERE id = 1");
}