/**
 * This file is a part of LuminanceHDR package.
 * ----------------------------------------------------------------------
 * Copyright (C) 2007 Giuseppe Rota
 *
 *  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.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * ----------------------------------------------------------------------
 *
 * Original Work
 * @author Giuseppe Rota <grota@users.sourceforge.net>
 * Improvements, bugfixing
 * @author Franco Comida <fcomida@users.sourceforge.net>
 *
 */

#ifndef BATCH_IMPL_H
#define BATCH_IMPL_H

#include <QDialog>
#include <QVector>
#include <QStringListModel>
#include <QSortFilterProxyModel>
#include <QFuture>
#include <QMutex>
#include <QSemaphore>
#include <QtGui/QCloseEvent>

#include "LibpfsAdditions/formathelper.h"

#include "Common/LuminanceOptions.h"

// Forward declaration
class TonemappingOptions;

namespace Ui {
    class BatchTMDialog;
}

class BatchTMDialog: public QDialog
{
    Q_OBJECT
private:
    QScopedPointer<Ui::BatchTMDialog> m_Ui;

public:
    BatchTMDialog(QWidget *parent = 0);
    ~BatchTMDialog();

// protected:
private slots:
    void add_dir_HDRs();
    void add_HDRs();
    void add_dir_TMopts();
    void add_TMopts();
    void out_folder_clicked();
    void check_enable_start();
    void remove_HDRs();
    void remove_TMOpts();
    void filterChanged(const QString&);
    void filterComboBoxActivated(int);
    void abort();

    //fuction that adds a log message to the model
    void add_log_message(const QString &);

    void batch_core();
    void release_thread(int t_id);
    void start_batch_thread();
    void stop_batch_tm_ui();
    void increment_progress_bar(int);

    void from_database();

    void updateWidth(int);

protected:
    void closeEvent(QCloseEvent *);

private:
    //Parses a TM_opts file (return NULL on error)
    TonemappingOptions* parse_tm_opt_file(QString filename);

    //required for the cache path
    LuminanceOptions m_luminance_options;

    //Application-wide settings, loaded via QSettings
    QString m_batchTmInputDir;
    QString m_batchTmTmoSettingsDir;
    QString m_batchTmOutputDir;

    //selection start/stop left/right
    //TODO: remove this rubbish, thanks!
    int start_left;
    int stop_left;
    int start_right;
    int stop_right;

    //data structure (model) for left-side list: HDRs
    QStringList HDRs_list;

    // the class that performs regexp filtering
    QSortFilterProxyModel * log_filter;

    // the model that holds the data
    QStringListModel    * full_Log_Model;

    QMutex          m_add_log_message_mutex;

    QList< TonemappingOptions* > m_tm_options_list;

    // Davide Anastasia <davideanastasia@users.sourceforge.net>
    //Max number of threads allowed
    int             m_max_num_threads;
    QSemaphore      m_thread_slot;
    QMutex          m_thread_control_mutex;
    QMutex          m_class_data_mutex;
    bool            m_is_batch_running;
    bool        *   m_available_threads;
    bool              m_abort;
    int             m_next_hdr_file;

    pfsadditions::FormatHelper m_formatHelper;

    int   get_available_thread_id();

    void  init_batch_tm_ui();
    //when removing we cycle through the list to grab the selected interval
    void update_selection_interval(bool left);
    //updates graphica widget (view) and data structure (model) for HDR list
    void add_view_model_HDRs(QStringList);
    //updates graphica widget (view) and data structure (model) for TM_opts list
    void add_view_model_TM_OPTs(QStringList);
};
#endif
