/*
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version
  2 of the License, or (at your option) any later version.
*/

#ifndef PICFILESMODEL_H
#define PICFILESMODEL_H

#include "smtreemodel.h"
#include "mappingtreemodel.h"

class QSqlQuery;

class PicFilesModel : public SmTreeModel {
    Q_OBJECT
    public:
        enum Roles { FileNameRole = Qt::UserRole + 1, SizeRole = Qt::UserRole + 2, MimeTypeRole = Qt::UserRole + 3, FullPathRole = Qt::UserRole + 4, IdRole = Qt::UserRole + 5, AddedRole = Qt::UserRole + 6, Md5SumRole = Qt::UserRole + 7, PicSizeRole = Qt::UserRole + 8 };
        enum Fields { FileName = 0, Size = 1, MimeType = 2, FullPath = 3, Id = 4, Added = 5, Md5Sum = 6, PicSize = 7 };
        enum { NumFields = 8 };
        explicit PicFilesModel(const QStringList &headers, QObject *parent = 0);
        void setMapping(int pMapId);

        //some data
        Qt::ItemFlags flags(const QModelIndex &) const { return Qt::ItemIsEnabled | Qt::ItemIsSelectable; }
        QVariant data(const QModelIndex &index, int role) const;
        QList<QVariant> dataList(const QModelIndex &idx);
        QList<QList<QVariant> > allFiles() const;
        void removeFiles(const QList<QPair<int, QString> > &files);
        bool changeMappings(const QList<int> &fileIds, const QList<QVariant> &parentIds);
        QList<MappingData> mappingDataFromFile(int fileId);
        SmTreeItem *mappingTreeFromFile(int fileId);
        SmTreeItem *findRecursive(SmTreeItem *start, const QVariant &name, const QVariant id) const;
        QList<MappingData> mappingDataFromFiles(const QList<int> fileIds);
        void selectFromAll();
        void selectFromRecent(int days);
        void selectFromSelection(QList<QVariant> ids);
        void allPicIds();
        void recentPicIds();
        QList<QList<QVariant> > getNextBatch();
        QList<QList<QVariant> > allPics() const { return mAllPics; }

    public slots:
        void populate();

    private:
        QList<int> mappingPIdsFromFiles(QList<int> fileIds);
        QSqlDatabase mDb;
        MappingTreeModel *mMappingTreeModel;
        QString mPopulateQS;
        QString mMappingsQS;
        QList<int> mMappingIds;
        QList<QList<QVariant> > mAllPics;
        QList<QList<QVariant> > mRecentPics;
        QList<QList<QVariant> > *mCurrentPics;
        int mCurrentBatch;
};

#endif // PICFILESMODEL_H