<?php
class MatrixConnection
{
	private $hs;
	private $at;

	function __construct($homeserver, $access_token) {
		$this->hs = $homeserver;
		$this->at = $access_token;
	}

	function send($room_id, $message) {
		$send_message = NULL;
		if (!$message) {
			error_log("no message to send");
		} elseif(is_array($message)) {
			$send_message = $message;
		} elseif ($message instanceof MatrixMessage) {
			$sendmessage = $message->get_object();
		} else {
			error_log("message is of not valid type\n");
			return false;
		}

		$url="https://".$this->hs."/_matrix/client/r0/rooms/"
			. urlencode($room_id) ."/send/m.room.message?access_token=".$this->at;
		$handle = curl_init($url);
		curl_setopt($handle, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($handle, CURLOPT_CONNECTTIMEOUT, 5);
		curl_setopt($handle, CURLOPT_TIMEOUT, 60);
		curl_setopt($handle, CURLOPT_POSTFIELDS, json_encode($message));
		curl_setopt($handle, CURLOPT_HTTPHEADER, array("Content-Type: application/json"));

		return exec_curl_request($handle);
	}

	function send_msg($room_id, $message) {
		return $this->send($room_id, array(
					"msgtype" => "m.notice",
					"body" => $message
					)
				);
	}
}

class MatrixMessage
{
	private $message;

	function __construct() {
		$this->message = array(
				"msgtype" => "m.notice",
				);
	}

	function set_type($msgtype) {
		$this->$message["msgtype"] = $msgtype;
	}

	function set_format($format) {
		$this->message["format"] = $format;
	}

	function set_body($body) {
		$this->message["body"] = $body;
	}

	function set_formatted_body($fbody, $format="org.matrix.custom.html") {
		$this->message["formatted_body"] = $fbody;
		$this->message["format"] = $format;
	}

	function get_object() {
		return $this->message;
	}
}
?>