/*
 * (C) Copyright 1996-2016 ECMWF.
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 * In applying this licence, ECMWF does not waive the privileges and immunities
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */

/*! \file ColourTableDefinitionList.cc
    \brief Implementation of the Template class ColourTableDefinitionList.

    Magics Team - ECMWF 2005

    Started: Mon 4-Jul-2005

    Changes:

*/


#include "ColourTableDefinitionList.h"
#include "XmlNode.h"

using namespace magics;

ColourTableDefinitionList::ColourTableDefinitionList() {}


ColourTableDefinitionList::~ColourTableDefinitionList() {}

/*!
 Class information are given to the output-stream.
*/
void ColourTableDefinitionList::print(ostream& out) const {
    out << "ColourTableDefinitionList[";
    out << "]";
}

void ColourTableDefinitionList::set(const ColourTableDefinitionListInterface& attributes) {
    colours_ = attributes.getValues();
}

void ColourTableDefinitionList::set(const XmlNode& node) {
    for (auto& elt : node.elements()) {
        try {
            Colour* colour = MagTranslator<string, Colour>()(elt->name());
            colour->set(*elt);
            colours_.push_back(colour->name());
            MagLog::dev() << "add colour---" << colour->name() << "\n";
        }
        catch (NoFactoryException& e) {
        }
    }
}


void ColourTableDefinitionList::set(ColourTable& table, int nb) {
    prepare();
    if (colours_.empty()) {
        MagLog::warning() << "Colour Table Definition: No colour defined\n";
        colours_.push_back("blue");
        colours_.push_back("green");
        colours_.push_back("yellow");
        colours_.push_back("orange");
        colours_.push_back("red");
    }

    stringarray::const_iterator colour = colours_.begin();
    // Nb is the number of intervals!
    // We need nb-1 colours!
    for (int i = 0; i < nb - 1; i++) {
        if (colour == colours_.end()) {
            if (policy_ == M_LASTONE)
                table.push_back(Colour(colours_.back()));
            else {
                colour = colours_.begin();
                table.push_back(Colour(*colour));
                colour++;
            }
        }
        else {
            table.push_back(Colour(*colour));
            colour++;
        }
    }
}
