#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QThread>
#include <QTreeWidgetItem>
#include <QFileIconProvider>
#include <QKeyEvent>
#include <QFutureWatcher>
#include <QSqlDatabase>
#include "pdfworker.h"
#include "../shared/qssquery.h"
namespace Ui {
class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();
signals:
    void beginSearch(const QString &query);
    void startPdfPreviewGeneration(QVector<SearchResult> paths, double scalefactor);
private:
    Ui::MainWindow *ui;
    QFileIconProvider iconProvider;
    bool pdfDirty;
    QSqlDatabase db;
    QFutureWatcher<QVector<SearchResult>> searchWatcher;
    QFutureWatcher<PdfPreview> pdfWorkerWatcher;
    void add(QString path, unsigned int page);
    QVector<SearchResult> pdfSearchResults;
    void connectSignals();
	void makePdfPreview(int page);
    bool pdfTabActive();
    void keyPressEvent(QKeyEvent *event) override;
    unsigned int processedPdfPreviews;
    void handleSearchResults(const QVector<SearchResult> &results);
    void handleSearchError(QString error);
    QSSQuery currentQuery;
	int pdfPreviewsPerPage;
	void createSearchResutlMenu(QMenu &menu, const QFileInfo &fileInfo);
private slots:
    void lineEditReturnPressed();
    void treeSearchItemActivated(QTreeWidgetItem *item, int i);
    void showSearchResultsContextMenu(const QPoint &point);
    void tabChanged();
    void pdfPreviewReceived(PdfPreview preview);
    void comboScaleChanged(QString text);
	void spinPdfPreviewPageValueChanged(int val);
};

#endif // MAINWINDOW_H