#include <QList>
#include <QPair>
#include <QDebug>
#include "server_abstractuserinterface.h"
#include "server_game.h"
#include "server_response_containers.h"
#include "server_player_reference.h"
#include "server.h"
#include "server_room.h"
#include "server_game.h"
#include "pb/event_game_joined.pb.h"
#include "pb/event_game_state_changed.pb.h"
#include <google/protobuf/descriptor.h>

void Server_AbstractUserInterface::sendProtocolItemByType(ServerMessage::MessageType type, const ::google::protobuf::Message &item)
{
	switch (type) {
		case ServerMessage::RESPONSE: sendProtocolItem(static_cast<const Response &>(item)); break;
		case ServerMessage::SESSION_EVENT: sendProtocolItem(static_cast<const SessionEvent &>(item)); break;
		case ServerMessage::GAME_EVENT_CONTAINER: sendProtocolItem(static_cast<const GameEventContainer &>(item)); break;
		case ServerMessage::ROOM_EVENT: sendProtocolItem(static_cast<const RoomEvent &>(item)); break;
	}
}

SessionEvent *Server_AbstractUserInterface::prepareSessionEvent(const ::google::protobuf::Message &sessionEvent)
{
	SessionEvent *event = new SessionEvent;
	event->GetReflection()->MutableMessage(event, sessionEvent.GetDescriptor()->FindExtensionByName("ext"))->CopyFrom(sessionEvent);
	return event;
}

void Server_AbstractUserInterface::sendResponseContainer(const ResponseContainer &responseContainer, Response::ResponseCode responseCode)
{
	const QList<QPair<ServerMessage::MessageType, ::google::protobuf::Message *> > &preResponseQueue = responseContainer.getPreResponseQueue();
	for (int i = 0; i < preResponseQueue.size(); ++i)
		sendProtocolItemByType(preResponseQueue[i].first, *preResponseQueue[i].second);
	
	if (responseCode != Response::RespNothing) {
		Response response;
		response.set_cmd_id(responseContainer.getCmdId());
		response.set_response_code(responseCode);
		::google::protobuf::Message *responseExtension = responseContainer.getResponseExtension();
		if (responseExtension)
			response.GetReflection()->MutableMessage(&response, responseExtension->GetDescriptor()->FindExtensionByName("ext"))->CopyFrom(*responseExtension);
		sendProtocolItem(response);
	}
	
	const QList<QPair<ServerMessage::MessageType, ::google::protobuf::Message *> > &postResponseQueue = responseContainer.getPostResponseQueue();
	for (int i = 0; i < postResponseQueue.size(); ++i)
		sendProtocolItemByType(postResponseQueue[i].first, *postResponseQueue[i].second);
}

void Server_AbstractUserInterface::playerRemovedFromGame(Server_Game *game)
{
	qDebug() << "Server_AbstractUserInterface::playerRemovedFromGame(): gameId =" << game->getGameId();
	
	QMutexLocker locker(&gameListMutex);
	games.remove(game->getGameId());
}

void Server_AbstractUserInterface::playerAddedToGame(int gameId, int roomId, int playerId)
{
	qDebug() << "Server_AbstractUserInterface::playerAddedToGame(): gameId =" << gameId;
	
	QMutexLocker locker(&gameListMutex);
	games.insert(gameId, QPair<int, int>(roomId, playerId));
}

void Server_AbstractUserInterface::joinPersistentGames(ResponseContainer &rc)
{
	QList<PlayerReference> gamesToJoin = server->getPersistentPlayerReferences(QString::fromStdString(userInfo->name()));
	
	server->roomsLock.lockForRead();
	for (int i = 0; i < gamesToJoin.size(); ++i) {
		const PlayerReference &pr = gamesToJoin.at(i);
		
		Server_Room *room = server->getRooms().value(pr.getRoomId());
		if (!room)
			continue;
		QMutexLocker roomGamesLocker(&room->gamesMutex);
		
		Server_Game *game = room->getGames().value(pr.getGameId());
		if (!game)
			continue;
		QMutexLocker gameLocker(&game->gameMutex);
		
		Server_Player *player = game->getPlayers().value(pr.getPlayerId());
		
		player->setUserInterface(this);
		playerAddedToGame(game->getGameId(), room->getId(), player->getPlayerId());
		
		game->createGameJoinedEvent(player, rc, true);
	}
	server->roomsLock.unlock();
}