#ifndef RKTWEBVIEW_QT_H
#define RKTWEBVIEW_QT_H

#include "rktwebview_qt_global.h"
#include "rktwebview_internal.h"
#include "rktutils.h"

#include <QApplication>
#include <QWebEngineView>
#include <QMutex>
#include <QThread>
#include <QHash>
#include <QQueue>
#include <QTimer>
#include <QEventLoop>


class WebViewQt;
class WebviewWindow;
class Command;
class CommandEvent;

class RKTWEBVIEW_QT_EXPORT Rktwebview_qt : public QObject
{
    Q_OBJECT
private:
    QApplication                            *_app;
    rktwebview_t                             _current_handle;
    QHash<int, WebviewWindow *>              _views;
    QHash<int, event_cb_t>                  _view_js_callbacks;

    QTimer                                   _process_events;

    int                                      _evt_loop_depth;
    QTimer                                   _evt_loop_timer;

    Rktwebview_qt                           **_handler;

    int                              _argc;
    char                            *_argv[1];

private:
    void runJs(rktwebview_t wv, const char *js);
    result_t doWindow(rktwebview_t w, int cmd, result_t on_error);

public slots:
    void processJsEventQueues();

private slots:
    void stopEventloop();

private:
    void postCommand(Command *cmd);
    void handleCommandEvent(CommandEvent *e);
    void processCommand(Command *cmd);

    // QObject interface
protected:
    void customEvent(QEvent *event);

public:
    void removeView(int id);

public:
    int nextHandle();
public:
    int  rktWebViewCreate(int parent, event_cb_t js_evt_cb);
    void rktWebViewClose(int wv);
    void rktSetOUToken(rktwebview_t wv, const char *ou_token);
    void rktQuit();

    result_t rktOpenDevtools(rktwebview_t wv);
    result_t rktSetUrl(rktwebview_t wv, const char *url);
    result_t rktSetHtml(rktwebview_t wv, const char *html);
    result_t rktRunJs(rktwebview_t wv, const char *js);
    rkt_js_result_t *rktCallJs(rktwebview_t wv, const char *js);

    result_t rktMove(rktwebview_t wv, int x, int y);
    result_t rktResize(rktwebview_t wv, int w, int h);
    result_t rktHideWindow(rktwebview_t w);
    result_t rktShowWindow(rktwebview_t w);
    result_t rktPresentWindow(rktwebview_t w);
    result_t rktMaximizeWindow(rktwebview_t w);
    result_t rktMinimizeWindow(rktwebview_t w);
    result_t rktShowNormalWindow(rktwebview_t w);
    window_state_t rktWindowState(rktwebview_t w);

    rkt_js_result_t *rktChooseDir(rktwebview_t w, const char *title, const char *base_dir);
    rkt_js_result_t * rktFileOpen(rktwebview_t w, const char *title, const char *base_dir, const char *permitted_exts);
    rkt_js_result_t * rktFileSave(rktwebview_t w, const char *title, const char *base_dir, const char *permitted_exts);

    result_t rktWindowSetTitle(rktwebview_t wv, const char *title);

    bool rktValid(rktwebview_t wv);

public:
    // Events for the backend
    void pageLoaded(rktwebview_t w, bool ok);
    void onPageLoad(rktwebview_t w);

public:
    void triggerEvent(rktwebview_t wv, const QString &msg);
    void triggerEvent(rktwebview_t wv, const EventContainer &e);

public:
    void doEvents();

public:
    void runCommandThread();

public:
    Rktwebview_qt(Rktwebview_qt **handler);
 };



#endif // RKTWEBVIEW_QT_H