/*
 *  This file is part of RawTherapee.
 *
 *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
 *
 *  RawTherapee 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  RawTherapee 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 RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
 */
#include <array>

#include "saveformatpanel.h"
#include "multilangmgr.h"
#include "guiutils.h"

namespace
{

const std::array<SaveFormat, 7> sf_templates = {
     SaveFormat(
         "jpg",
         8,
         90,
         2,
         8,
         false,
         true,
         true
     ),
     SaveFormat(
         "tif",
         8,
         90,
         2,
         8,
         false,
         true,
         true
     ),
     SaveFormat(
         "tif",
         8,
         90,
         2,
         16,
         false,
         true,
         true
     ),
     SaveFormat(
         "tif",
         8,
         90,
         2,
         16,
         true,
         true,
         true
     ),
     SaveFormat(
         "tif",
         8,
         90,
         2,
         32,
         true,
         true,
         true
     ),
     SaveFormat(
         "png",
         8,
         90,
         2,
         8,
         false,
         true,
         true
     ),
     SaveFormat(
         "png",
         16,
         90,
         2,
         8,
         false,
         true,
         true
     )
};

}

SaveFormatPanel::SaveFormatPanel () : listener (nullptr)
{


    // ---------------------  FILE FORMAT SELECTOR


    Gtk::Grid* hb1 = Gtk::manage (new Gtk::Grid ());
    hb1->set_column_spacing(5);
    hb1->set_row_spacing(5);
    setExpandAlignProperties(hb1, true, false, Gtk::ALIGN_FILL, Gtk::ALIGN_CENTER);
    Gtk::Label* flab = Gtk::manage (new Gtk::Label (M("SAVEDLG_FILEFORMAT") + ":"));
    setExpandAlignProperties(flab, false, false, Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
    format = Gtk::manage (new MyComboBoxText ());
    setExpandAlignProperties(format, true, false, Gtk::ALIGN_FILL, Gtk::ALIGN_CENTER);
    format->signal_changed ().connect (sigc::mem_fun (*this, &SaveFormatPanel::formatChanged));

    format->append ("JPEG (8-bit)");
    format->append ("TIFF (8-bit)");
    format->append ("TIFF (16-bit)");
    format->append ("TIFF (16-bit float)");
    format->append ("TIFF (32-bit float)");
    format->append ("PNG (8-bit)");
    format->append ("PNG (16-bit)");

    hb1->attach (*flab, 0, 0, 1, 1);
    hb1->attach (*format, 1, 0, 1, 1);
    hb1->show_all();

    // ---------------------  JPEG OPTIONS


    jpegOpts = Gtk::manage (new Gtk::Grid ());
    jpegOpts->set_column_spacing(15);
    jpegOpts->set_row_spacing(5);
    setExpandAlignProperties(jpegOpts, true, false, Gtk::ALIGN_FILL, Gtk::ALIGN_CENTER);

    jpegQual = new Adjuster (M("SAVEDLG_JPEGQUAL"), 0, 100, 1, 100);
    setExpandAlignProperties(jpegQual, true, false, Gtk::ALIGN_FILL, Gtk::ALIGN_CENTER);
    jpegQual->setAdjusterListener (this);

    jpegSubSampLabel = Gtk::manage (new Gtk::Label (M("SAVEDLG_SUBSAMP") + Glib::ustring(":")) );
    setExpandAlignProperties(jpegSubSampLabel, true, false, Gtk::ALIGN_START, Gtk::ALIGN_CENTER);

    jpegSubSamp = Gtk::manage (new MyComboBoxText ());
    setExpandAlignProperties(jpegSubSamp, true, false, Gtk::ALIGN_FILL, Gtk::ALIGN_CENTER);
    jpegSubSamp->append (M("SAVEDLG_SUBSAMP_1"));
    jpegSubSamp->append (M("SAVEDLG_SUBSAMP_2"));
    jpegSubSamp->append (M("SAVEDLG_SUBSAMP_3"));
    jpegSubSamp->set_tooltip_text (M("SAVEDLG_SUBSAMP_TOOLTIP"));
    jpegSubSamp->set_active (2);
    jpegSubSamp->signal_changed().connect( sigc::mem_fun(*this, &SaveFormatPanel::formatChanged) );

    jpegOpts->attach(*jpegQual, 0, 0, 1, 2);
    jpegOpts->attach(*jpegSubSampLabel, 1, 0, 1, 1);
    jpegOpts->attach(*jpegSubSamp, 1, 1, 1, 1);
    jpegOpts->show_all ();

    // ---------------------  TIFF OPTIONS


    tiffUncompressed = new Gtk::CheckButton (M("SAVEDLG_TIFFUNCOMPRESSED"));
    setExpandAlignProperties(tiffUncompressed, true, false, Gtk::ALIGN_FILL, Gtk::ALIGN_CENTER);
    tiffUncompressed->signal_toggled().connect( sigc::mem_fun(*this, &SaveFormatPanel::formatChanged));
    tiffUncompressed->show_all();


    // ---------------------  MAIN BOX


    savesPP = Gtk::manage (new Gtk::CheckButton (M("SAVEDLG_SAVESPP")));
    savesPP->signal_toggled().connect( sigc::mem_fun(*this, &SaveFormatPanel::formatChanged));
    savesPP->show_all();

    set_column_spacing(5);
    set_row_spacing(5);

    attach (*hb1, 0, 0, 1, 1);
    attach (*jpegOpts, 0, 1, 1, 1);
    attach (*tiffUncompressed, 0, 2, 1, 1);
    attach (*savesPP, 0, 4, 1, 2);
}
SaveFormatPanel::~SaveFormatPanel ()
{
    delete jpegQual;
    delete tiffUncompressed;
}

void SaveFormatPanel::init (SaveFormat &sf)
{

    FormatChangeListener* tmp = listener;
    listener = nullptr;

    if (sf.format == "jpg") {
        format->set_active (0);
    } else if (sf.format == "png" && sf.pngBits == 16) {
        format->set_active (6);
    } else if (sf.format == "png" && sf.pngBits == 8) {
        format->set_active (5);
    } else if (sf.format == "tif" && sf.tiffBits == 32) {
        format->set_active (4);
    } else if (sf.format == "tif" && sf.tiffBits == 16 && sf.tiffFloat) {
        format->set_active (3);
    } else if (sf.format == "tif" && sf.tiffBits == 16) {
        format->set_active (2);
    } else if (sf.format == "tif" && sf.tiffBits == 8) {
        format->set_active (1);
    }

    jpegSubSamp->set_active (sf.jpegSubSamp - 1);

    jpegQual->setValue (sf.jpegQuality);
    savesPP->set_active (sf.saveParams);
    tiffUncompressed->set_active (sf.tiffUncompressed);
    listener = tmp;
}

SaveFormat SaveFormatPanel::getFormat ()
{
    SaveFormat sf;

    const unsigned int sel = format->get_active_row_number();

    if (sel < sf_templates.size()) {
        sf = sf_templates[sel];
    }

    sf.jpegQuality = jpegQual->getValue();
    sf.jpegSubSamp = jpegSubSamp->get_active_row_number() + 1;
    sf.tiffUncompressed = tiffUncompressed->get_active();
    sf.saveParams = savesPP->get_active();

    return sf;
}

void SaveFormatPanel::formatChanged ()
{
    const unsigned int act = format->get_active_row_number();

    if (act >= sf_templates.size()) {
        return;
    }

    const Glib::ustring& fr = sf_templates[act].format;

    if (fr == "jpg") {
        jpegOpts->show_all();
        tiffUncompressed->hide();
    } else if (fr == "png") {
        jpegOpts->hide();
        tiffUncompressed->hide();
    } else if (fr == "tif") {
        jpegOpts->hide();
        tiffUncompressed->show_all();
    }

    if (listener) {
        listener->formatChanged (fr);
    }
}

void SaveFormatPanel::adjusterChanged (Adjuster* a, double newval)
{
    const unsigned int act = format->get_active_row_number();

    if (act >= sf_templates.size()) {
        return;
    }

    if (listener) {
        listener->formatChanged(sf_templates[act].format);
    }
}