package kernel.net;

typedef NetworkID = Int;

enum PackageTypes {
	Data(proto:String);
	DataNoResponse(proto:String);
	Response;
	RouteDiscover(reachableIDs: Array<{id:NetworkID,cost:Int}>);
	RouteDiscoverResponse(reachableIDs: Array<{id:NetworkID,cost:Int}>);
}

/**
	Representing a network package.
**/
@:structInit class Package {
	public final fromID:NetworkID;
	public final toID:NetworkID;
	public final msgID:Int;
	public final type:PackageTypes;
	public final data:Dynamic;

	/**
		Parse package from an `modem_message` event.
	**/
	public static function fromEvent(params:Array<Dynamic>):Package {
		var payload = params[4];

		return {
			fromID: params[3],
			toID: params[2],
			msgID: payload.msgID,
			type: payload.type,
			data: payload.data,
		};
	}

	/**
		Create package that can be used as a response.
	**/
	public function createResponse(newData:Dynamic):Package {
		return {
			toID: fromID,
			fromID: toID,
			msgID: msgID,
			type: Response,
			data: newData
		};
	}

	/**
		Wrapper for `Net.instance.respondTo`.
	**/
	public function respond(data:Dynamic) {
		Net.instance.respondTo(this, data);
	}
}