/*
 *  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 <https://www.gnu.org/licenses/>.
 */
#include <cmath>
#include <sstream>

#include "sharpenedge.h"

#include "guiutils.h"
#include "options.h"
#include "rtengine/procparams.h"

using namespace rtengine;
using namespace rtengine::procparams;

const Glib::ustring SharpenEdge::TOOL_NAME = "sharpenedge";

SharpenEdge::SharpenEdge () : FoldableToolPanel(this, TOOL_NAME, M("TP_SHARPENEDGE_LABEL"), true, true)
{

    passes = Gtk::manage(new Adjuster (M("TP_SHARPENEDGE_PASSES"), 1, 4, 1, 2));
    passes->setAdjusterListener (this);

    passes->setDelay(std::max(options.adjusterMinDelay, options.adjusterMaxDelay));

    amount = Gtk::manage(new Adjuster (M("TP_SHARPENEDGE_AMOUNT"), 0, 100, 1, 50));
    amount->setAdjusterListener (this);

    amount->setDelay(std::max(options.adjusterMinDelay, options.adjusterMaxDelay));

    threechannels = Gtk::manage(new Gtk::CheckButton((M("TP_SHARPENEDGE_THREE"))));// L + a + b
    threechannels->set_active (false);
    pack_start( *passes, Gtk::PACK_SHRINK, 0);//passes
    pack_start( *amount, Gtk::PACK_SHRINK, 0);//amount
    pack_start( *threechannels, Gtk::PACK_SHRINK, 0);//one or 3 channels Lab

    chanthreeconn = threechannels->signal_toggled().connect( sigc::mem_fun(*this, &SharpenEdge::chanthree_toggled) );
}

void SharpenEdge::read(const ProcParams* pp, const ParamsEdited* pedited)
{
    disableListener ();

    if(pedited ) {
        passes->setEditedState          (pedited->sharpenEdge.passes ? Edited : UnEdited);
        amount->setEditedState          (pedited->sharpenEdge.amount ? Edited : UnEdited);
        set_inconsistent                (multiImage && !pedited->sharpenEdge.enabled);
        threechannels->set_inconsistent (!pedited->sharpenEdge.threechannels);
    }

    setEnabled(pp->sharpenEdge.enabled);

    chanthreeconn.block (true);
    threechannels->set_active (pp->sharpenEdge.threechannels);
    chanthreeconn.block (false);
    lastchanthree = pp->sharpenEdge.threechannels;

    passes->setValue (pp->sharpenEdge.passes);
    amount->setValue (pp->sharpenEdge.amount);

    enableListener ();
}

void SharpenEdge::write( ProcParams* pp, ParamsEdited* pedited)
{
    pp->sharpenEdge.enabled       = getEnabled();
    pp->sharpenEdge.passes        = (int)passes->getValue();
    pp->sharpenEdge.amount        = amount->getValue ();
    pp->sharpenEdge.threechannels = threechannels->get_active ();

    if (pedited) {
        pedited->sharpenEdge.enabled       = !get_inconsistent();
        pedited->sharpenEdge.passes        = passes->getEditedState ();
        pedited->sharpenEdge.amount        = amount->getEditedState ();
        pedited->sharpenEdge.threechannels = !threechannels->get_inconsistent();
    }

}

void SharpenEdge::enabledChanged ()
{
    if (listener) {
        if (get_inconsistent()) {
            listener->panelChanged (EvSharpenEdgeEnabled, M("GENERAL_UNCHANGED"));
        } else if (getEnabled()) {
            listener->panelChanged (EvSharpenEdgeEnabled, M("GENERAL_ENABLED"));
        } else {
            listener->panelChanged (EvSharpenEdgeEnabled, M("GENERAL_DISABLED"));
        }
    }
}

void SharpenEdge::chanthree_toggled ()
{

    if (batchMode) {
        if (threechannels->get_inconsistent()) {
            threechannels->set_inconsistent (false);
            chanthreeconn.block (true);
            threechannels->set_active (false);
            chanthreeconn.block (false);
        } else if (lastchanthree) {
            threechannels->set_inconsistent (true);
        }

        lastchanthree = threechannels->get_active ();
    }

    if (listener && getEnabled()) {
        if (threechannels->get_active ()) {
            listener->panelChanged (EvSharpenEdgeThreechannels, M("GENERAL_ENABLED"));
        } else {
            listener->panelChanged (EvSharpenEdgeThreechannels, M("GENERAL_DISABLED"));
        }
    }
}

void SharpenEdge::adjusterChanged(Adjuster* a, double newval)
{
    if (listener && getEnabled()) {
        Glib::ustring value = a->getTextValue();

        if (a == passes ) {
            listener->panelChanged (EvSharpenEdgePasses,   value );
        } else if (a == amount) {
            listener->panelChanged (EvSharpenEdgeAmount, value );
        }
    }
}

void SharpenEdge::setBatchMode(bool batchMode)
{
    passes->showEditedCB   ();
    amount->showEditedCB ();
}

void SharpenEdge::setDefaults(const ProcParams* defParams, const ParamsEdited* pedited)
{
    passes->setDefault (defParams->sharpenEdge.passes);
    amount->setDefault (defParams->sharpenEdge.amount);

    if (pedited) {
        passes->setDefaultEditedState   (pedited->sharpenEdge.passes ? Edited : UnEdited);
        amount->setDefaultEditedState (pedited->sharpenEdge.amount ? Edited : UnEdited);

    } else {
        passes->setDefaultEditedState   (Irrelevant);
        amount->setDefaultEditedState (Irrelevant);

    }
}

void SharpenEdge::setAdjusterBehavior (bool amountadd, bool passadd)
{
    amount->setAddMode (amountadd);
    passes->setAddMode (passadd);
}

void SharpenEdge::trimValues (ProcParams* pp)
{
    amount->trimValue (pp->sharpenEdge.amount);
    passes->trimValue (pp->sharpenEdge.passes);

}