#ifndef NETSOUL_H
#define NETSOUL_H

#include <QObject>
#include <QTcpSocket>
#include <QRegExp>
#include <QCryptographicHash>
#include <QByteArray>
#include <QUrl>
#include <QMetaEnum>
#include <QTimer>
#include <QDateTime>
#include <QDebug>
#include <QStringList>
#include <QDataStream>
#include "epimafia_global.h"
#include "epimafia.h"

class NSListUsersEmitter;

class EPIMAFIASHARED_EXPORT NetSoul : public QObject
{
    Q_OBJECT
public:
    enum State
    {
		Disconnected,//TODO explicit values
        HostLookUp,
        Connecting,
        Connected,
        LoggingIn,
        LoggedIn,
        Disconnecting,
        NetworkError,
        ProtocolError,
        BadLogin
    };
    Q_ENUMS(State)

    enum UserState
    {
        UserStateNotSet,
        UnknownState,
        Actif,
        Away,
        Lock,
        Logout,
        Login
    };
    Q_ENUMS(UserState)

    struct User
    {
        QString id;
        QString login;
        QString ip;
        QString location;
        QString promo;
        UserState state;
        QString stateString;
        QString data;
    };
    typedef QList<NetSoul::User> Users;

    struct Message
    {
        User from;
        QString message;
    };

    enum Command
    {
        NoCommand,
        Whois,
        ChangeStatus,
        AddToWatchList,
        Ping,
        ListUsers,
        SendMessage
    };
    Q_ENUMS(Command)


    explicit NetSoul(QObject *parent = 0);
    QAbstractSocket::SocketError getLastNetworkError();
    QString getId() const;
	EpiUser getEpiUser() const;
	User getUser() const;
	NetSoul::State getState() const;
	QString getLocation() const;

    static UserState getUserStateFromString(QString state);
    static QString getStringFromUserState(UserState state);
    static QString getDecodedString(QString enc);
    static QString getEncodedString(QString dec);
    static QString getStringFromState(State state);
    
signals:
    void stateChanged(NetSoul::State);
    void userDataChanged(NetSoul::User);
    void newMessage(NetSoul::Message);
    void unknownCommand(QString);

public slots:
    void setLocation(QString l);
    void setLogin(EpiUser user);
    void login();
    void login(EpiUser user);
    void logout();
    void setUserState(NetSoul::UserState state);
    void whois(QString user);
    void whois(QStringList users);
    void addToWatchList(QString user);
    void addToWatchList(QStringList users);
    void listUsers(QObject *receiver, const char *member, QString user = QString());
	void sendMessage(QString user, QString location, QString message);
    void sendMessage(NetSoul::User user, QString message);

private slots:
    void socketConnected();
    void socketDisconnected();
    void socketError(QAbstractSocket::SocketError e);
    void socketReadyRead();
    void socketHostFound();
    void setState(State s);
    void protError();
    void startTimeout();
    void startTimeout(int t);
    void stopTimeout();
    void write(QString c);
    void write(QString c, int t);
    void timedout();
    void nextCommand();
    void addCommand(QString cmd, Command command);
    void addCommand(QString cmd, Command command, int t);
    void commandFinished();

private:
    struct NextCommand
    {
        QString commandString;
        Command commandName;
        int timeout;
    };

    static int m_defaultTimeout;

    QTcpSocket* m_sock;
	EpiUser m_epiUser;
	User m_user;
    QString m_location;
    State m_state;
    UserState m_userState;
    QAbstractSocket::SocketError m_lastNetworkError;
    QString m_buf;
    QTimer* m_timeout;
    QString m_id;
    Command m_currentCmd;
    QList<NextCommand> m_nextCommands;
    QList<NSListUsersEmitter*> m_listEmitters;
	QString m_data;
    
};
Q_DECLARE_METATYPE(NetSoul::User)

class NSListUsersEmitter : public QObject
{
    Q_OBJECT
public:
    NSListUsersEmitter(QObject* p = 0) : QObject(p) {}

signals:
    void listed(NetSoul::Users);

public slots:
    void emitList(NetSoul::Users users);
};

QDebug EPIMAFIASHARED_EXPORT &operator<< (QDebug, NetSoul::Command&);
QDebug EPIMAFIASHARED_EXPORT &operator<< (QDebug, NetSoul::State&);
QDebug EPIMAFIASHARED_EXPORT &operator<< (QDebug, NetSoul::UserState&);
QDebug EPIMAFIASHARED_EXPORT &operator<< (QDebug, NetSoul::User&);
QDebug EPIMAFIASHARED_EXPORT &operator<< (QDebug, NetSoul::Message&);

QDataStream EPIMAFIASHARED_EXPORT &operator<< (QDataStream&, NetSoul::Message&);
QDataStream EPIMAFIASHARED_EXPORT &operator>> (QDataStream&, NetSoul::Message&);

QDataStream EPIMAFIASHARED_EXPORT &operator<< (QDataStream&, NetSoul::UserState&);
QDataStream EPIMAFIASHARED_EXPORT &operator>> (QDataStream&, NetSoul::UserState&);

QDataStream EPIMAFIASHARED_EXPORT &operator<< (QDataStream&, NetSoul::State&);
QDataStream EPIMAFIASHARED_EXPORT &operator>> (QDataStream&, NetSoul::State&);

QDataStream EPIMAFIASHARED_EXPORT &operator<< (QDataStream&, NetSoul::User&);
QDataStream EPIMAFIASHARED_EXPORT &operator>> (QDataStream&, NetSoul::User&);

#endif // NETSOUL_H