#ifndef FILEWIDGET_H
#define FILEWIDGET_H

#include <QWidget>
#include <QSqlDatabase>
#include <QSqlQuery>
#include <QItemSelection>

class QLineEdit;
class QStandardItemModel;
class QTreeView;
class VideoSorter;
class FileDisplay;

class FileWidget : public QWidget {
    Q_OBJECT
    public:
        enum FileAttrs { NotPresent = 0, Present = 1, NoVideo = 2, ParentDir = 3, Directory = 4 };
        enum CustomRoles { AttrsRole = Qt::UserRole + 1, FullPathRole = Qt::UserRole + 2, DurationRole = Qt::UserRole + 3, MD5SumRole = Qt::UserRole + 4, SecondsRole = Qt::UserRole + 5 };
        enum { ColumnCount = 5 };
        enum Columns { IconColumn = 0, NameColumn = 1, MimeColumn = 2, DurationColumn = 3, Md5Column = 4 };
        explicit FileWidget(QWidget *parent = 0);
        ~FileWidget();

    signals:
        void statusMessage(const QString &msg);
        void selectionCountChanged(const QString &msg);
        void durationChanged(const QString &duration);

    public slots:
        void fileSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected);

    private slots:
        void gatherData();
        void selectDir();
        void filter();
        void clearFilter();
        void itemDoubleClicked(const QModelIndex &idx);

    private:
        void setupGui();
        int md5Count(const QString &md5);
        void readHeaderData();
        void writeHeaderData();
        void readSettings();
        void writeSettings();
        QLineEdit *mDir;
        QLineEdit *mFilter;
        QStandardItemModel *mModel;
        QTreeView *mFileView;
        VideoSorter *mProxy;
        QSqlDatabase mDb;
        QSqlQuery mQOrigin;
        QSqlQuery mQFiles;
        FileDisplay *mFileDisplay;
};

#endif // FILEWIDGET_H