#ifndef NET_SESSION_H

#define NET_SESSION_H

#include <QSharedPointer>

#include <QSslSocket>

#include <QStringList>

#include <QUrl>

class PlayersListModel;

class RoomsListModel;

class NetSession : public QObject {

  Q_OBJECT

  const int cMinServerVersion = 3;

  const int cProtocolVersion = 60;

  // clang-format off

  Q_PROPERTY(QUrl url READ url WRITE setUrl NOTIFY urlChanged)

  Q_PROPERTY(QAbstractSocket::SocketState state READ state NOTIFY stateChanged)

  Q_PROPERTY(QString nickname READ nickname WRITE setNickname NOTIFY nicknameChanged)

  Q_PROPERTY(SessionState sessionState READ sessionState NOTIFY sessionStateChanged)

  Q_PROPERTY(QString room READ room NOTIFY roomChanged)

  Q_PROPERTY(QString passwordHash READ passwordHash WRITE setPasswordHash NOTIFY passwordHashChanged)

  // clang-format on

 public:

  enum SessionState { NotConnected, Login, Authentication, Lobby, Room, Game };

  Q_ENUMS(SessionState)

  explicit NetSession(QObject *parent = nullptr);

  ~NetSession() override;

  QUrl url() const;

  QAbstractSocket::SocketState state() const;

  QString nickname() const;

  SessionState sessionState() const;

  QString room() const;

  QString passwordHash() const;

 public slots:

  void open();

  void close();

  void setUrl(const QUrl &url);

  void setNickname(const QString &nickname);

  void setPasswordHash(const QString &passwordHash);

 signals:

  void urlChanged(const QUrl url);

  void stateChanged(QAbstractSocket::SocketState state);

  void nicknameChanged(const QString &nickname);

  void sessionStateChanged(SessionState sessionState);

  void warning(const QString &message);

  void error(const QString &message);

  void roomChanged(const QString &room);

  void passwordHashChanged(const QString &passwordHash);

  void passwordAsked();

 private slots:

  void onReadyRead();

  void parseNetMessage(const QStringList &message);

  void handleConnected(const QStringList &parameters);

  void handlePing(const QStringList &parameters);

  void handleBye(const QStringList &parameters);

  void handleUnknownCommand(const QStringList &parameters);

  void handleAddTeam(const QStringList &parameters);

  void handleAskPassword(const QStringList &parameters);

  void handleBanList(const QStringList &parameters);

  void handleCfg(const QStringList &parameters);

  void handleChat(const QStringList &parameters);

  void handleClientFlags(const QStringList &parameters);

  void handleEm(const QStringList &parameters);

  void handleError(const QStringList &parameters);

  void handleHhNum(const QStringList &parameters);

  void handleInfo(const QStringList &parameters);

  void handleJoined(const QStringList &parameters);

  void handleJoining(const QStringList &parameters);

  void handleKicked(const QStringList &parameters);

  void handleLeft(const QStringList &parameters);

  void handleLobbyJoined(const QStringList &parameters);

  void handleLobbyLeft(const QStringList &parameters);

  void handleNick(const QStringList &parameters);

  void handleNotice(const QStringList &parameters);

  void handlePong(const QStringList &parameters);

  void handleProto(const QStringList &parameters);

  void handleRedirect(const QStringList &parameters);

  void handleRemoveTeam(const QStringList &parameters);

  void handleReplayStart(const QStringList &parameters);

  void handleRoomAbandoned(const QStringList &parameters);

  void handleRoom(const QStringList &parameters);

  void handleRooms(const QStringList &parameters);

  void handleRoundFinished(const QStringList &parameters);

  void handleRunGame(const QStringList &parameters);

  void handleServerAuth(const QStringList &parameters);

  void handleServerMessage(const QStringList &parameters);

  void handleServerVars(const QStringList &parameters);

  void handleTeamAccepted(const QStringList &parameters);

  void handleTeamColor(const QStringList &parameters);

  void handleWarning(const QStringList &parameters);

  void send(const QString &message);

  void send(const QString &message, const QString &param);

  void send(const QString &message, const QStringList &parameters);

  void send(const QStringList &message);

  void sendPassword();

  void setSessionState(SessionState sessionState);

  void setRoom(const QString &room);

 private:

  QUrl m_url;

  QSharedPointer<QTcpSocket> m_socket;

  QSharedPointer<PlayersListModel> m_playersModel;

  QSharedPointer<RoomsListModel> m_roomsModel;

  QString m_nickname;

  QStringList m_buffer;

  SessionState m_sessionState;

  QString m_serverAuthHash;

  QString m_room;

  QString m_serverSalt;

  QString m_serverHash;

  QString m_clientSalt;

  QString m_passwordHash;

  Q_DISABLE_COPY(NetSession)

};

#endif  // NET_SESSION_H