<?php
	/**
	 * \file
	 * Implement the fetching of Community server icons.
	 */

	require_once 'servers/known-servers.php';
	require_once 'assets/room-icons.php';
	require_once 'utils/read-config.php';

	/**
	 * Fetch the icon of the given Community server and return its relative path.
	 * @param CommunityServer $server
	 * @param string $size Image dimensions.
	 * @return string Relative path or null if icon is absent.
	 */
	function server_icon(CommunityServer $server, string $size): ?string {
		$room_token = LocalConfig::get_instance()->get_server_icon_room($server);
		if (!$room_token) return "";

		$room = $server->get_room_by_token($room_token);

		if (!$room) {
			$hostname = $server->get_hostname();
			log_warning("Room $room_token on $hostname does not exist, cannot be used as icon.");
			return "";
		}

		return room_icon($room, $size);
	}
?>