/*
    Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net>

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include "asset_list.h"
#include "asset_instance.h"
#include "xml.h"

using std::string;
using boost::shared_ptr;
using namespace libdcp;

AssetList::AssetList (shared_ptr<const cxml::Node> node)
{
	main_picture = optional_type_child<AssetInstance> (node, "MainPicture");
	main_stereoscopic_picture = optional_type_child<AssetInstance> (node, "MainStereoscopicPicture");
	main_sound = optional_type_child<AssetInstance> (node, "MainSound");
	main_subtitle = optional_type_child<AssetInstance> (node, "MainSubtitle");

	node->done ();
}

void
AssetList::write_to_cpl (xmlpp::Element* node, bool interop) const
{
	xmlpp::Element* asset_list = node->add_child ("AssetList");
	
	if (main_picture) {
		main_picture->write_to_cpl (asset_list, interop);
	}

	if (main_sound) {
		main_sound->write_to_cpl (asset_list, interop);
	}

	if (main_subtitle) {
		main_subtitle->write_to_cpl (asset_list, interop);
	}
}

bool
AssetList::equals (shared_ptr<const AssetList> other, EqualityOptions opt, boost::function<void (NoteType, string)> note) const
{
	if ((main_picture && !other->main_picture) || (!main_picture && other->main_picture)) {
		note (ERROR, "reel has different assets");
		return false;
	}
	
	if (main_picture && !main_picture->equals (other->main_picture, opt, note)) {
		return false;
	}

	if ((main_sound && !other->main_sound) || (!main_sound && other->main_sound)) {
		note (ERROR, "reel has different assets");
		return false;
	}
	
	if (main_sound && !main_sound->equals (other->main_sound, opt, note)) {
		return false;
	}

	if ((main_subtitle && !other->main_subtitle) || (!main_subtitle && other->main_subtitle)) {
		note (ERROR, "reel has different assets");
		return false;
	}
	
	if (main_subtitle && !main_subtitle->equals (other->main_subtitle, opt, note)) {
		return false;
	}

	return true;
}