#ifndef _DOODLE_MANAGER_H__
#define _DOODLE_MANAGER_H__

#include <QtCore>
#include "../mainapp.h"

namespace JusDoodle {

typedef int SESSID;

class DoodleSession;

class DoodleManager : public QObject
{
    Q_OBJECT

private Q_SLOTS:
    void onServiceEvent(const QString &name, size_t cookie, const Notification &info);    

public:
    DoodleManager(QObject *parent = 0);
    virtual ~DoodleManager();

    // singleton
    static DoodleManager *Instance();

    // Initialization
    // Session create when MtcCallConnectingNotification received,
    // and delete when MtcCallTermedNotification or MtcCallDidTermNotification.
    // 
    // All sessions will be deleted when MtcCliServerLogoutedNotification
    // or MtcCliServerDidLogoutNotification.
    // 
    // Session has the same id of corresponding call.
    bool init();

    // Start doodle session.
    // Show doodle window. When start for the first time, 
    // MTC_DOODLE_ACTION_START action will be sent as well.
    bool startSess(SESSID sessId, int pageCount);

    // Stop doodle session, hide the doodle window.
    // Received data will be saved in session.
    void stopSess(SESSID sessId);

    // Set background images.
    void setBackgroundImages(SESSID sessId, const QStringList &imagePaths);

    // Interface when data received. Useless right now.
    void onRecvData(SESSID sessId, const char *name, const char *data);

    DoodleSession *findSess(SESSID sessId);

Q_SIGNALS:
    // Emit after a session is created
    void sessCreated(int sessId);

private:
    // Get session from ID.

    // Process call notification.
    bool onCallEvent(const QString &name, size_t cookie, const Notification &info);

    // Process client notification.
    bool onClientEvent(const QString &name, size_t cookie, const Notification &info);

private:
    static DoodleManager *_pDoodleManager;
    std::map<SESSID, DoodleSession *> _SessMap;
};

} // namespace JusDoodle

#endif /* _DOODLE_MANAGER_H__ */