/*****************************************************************************
 *
 * This file is part of Mapnik (c++ mapping toolkit)
 *
 * Copyright (C) 2021 Artem Pavlenko
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *****************************************************************************/

#ifndef MAPNIK_FEATURE_LAYER_DESC_HPP
#define MAPNIK_FEATURE_LAYER_DESC_HPP

// mapnik
#include <mapnik/attribute_descriptor.hpp>
#include <mapnik/params.hpp>

// stl
#include <iosfwd>
#include <vector>
#include <algorithm>

namespace mapnik
{

class layer_descriptor
{
public:
    layer_descriptor(std::string const& name, std::string const& encoding)
        : name_(name),
          encoding_(encoding),
          descriptors_(),
          extra_params_() {}

    layer_descriptor(layer_descriptor const& other)
        : name_(other.name_),
          encoding_(other.encoding_),
          descriptors_(other.descriptors_),
          extra_params_(other.extra_params_) {}

    void set_name(std::string const& name)
    {
        name_ = name;
    }

    std::string const& get_name() const
    {
        return name_;
    }

    void set_encoding(std::string const& encoding)
    {
        encoding_ = encoding;
    }

    std::string const& get_encoding() const
    {
        return encoding_;
    }

    void add_descriptor(attribute_descriptor const& desc)
    {
        descriptors_.push_back(desc);
    }

    std::vector<attribute_descriptor> const& get_descriptors() const
    {
        return descriptors_;
    }

    std::vector<attribute_descriptor>& get_descriptors()
    {
        return descriptors_;
    }

    parameters const& get_extra_parameters() const
    {
        return extra_params_;
    }

    parameters& get_extra_parameters()
    {
        return extra_params_;
    }

    bool has_name(std::string const& name) const
    {
        auto result = std::find_if(std::begin(descriptors_), std::end(descriptors_),
                                [&name](attribute_descriptor const& desc) { return name == desc.get_name();});
        return result != std::end(descriptors_);
    }
    void order_by_name()
    {
        std::sort(std::begin(descriptors_), std::end(descriptors_),
                  [](attribute_descriptor const& d0, attribute_descriptor const& d1)
                  {
                      return d0.get_name() < d1.get_name();
                  });
    }
private:
    std::string name_;
    std::string encoding_;
    std::vector<attribute_descriptor> descriptors_;
    parameters extra_params_;
};

}

#endif // MAPNIK_FEATURE_LAYER_DESC_HPP
