/*
    Copyright (C) 2012-2016 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 "dcp.h"
#include "dcp_cpl.h"
#include "reel_asset.h"
#include "interop_subtitle_asset.h"
#include "util.h"
#include <boost/foreach.hpp>

using std::string;
using std::list;
using boost::shared_ptr;
using boost::dynamic_pointer_cast;
using namespace dcp;

DCP::DCP (boost::filesystem::path directory)
	: Package (directory)
{

}

/** Write all the XML files for this DCP.
 *  @param standand INTEROP or SMPTE.
 *  @param metadata Metadata to use for PKL and asset map files.
 *  @param signer Signer to use, or 0.
 */
void
DCP::write_xml (
	Standard standard,
	XMLMetadata metadata,
	shared_ptr<const CertificateChain> signer
	)
{
	BOOST_FOREACH (shared_ptr<DCPCPL> i, cpls ()) {
		string const filename = "cpl_" + i->id() + ".xml";
		i->write_xml (_directory / filename, standard, signer);
	}

	string const pkl_uuid = make_uuid ();
	boost::filesystem::path const pkl_path = write_pkl (standard, pkl_uuid, metadata, signer);

	write_volindex (standard);
	write_assetmap (standard, pkl_uuid, boost::filesystem::file_size (pkl_path), metadata);
}

list<shared_ptr<DCPCPL> >
DCP::cpls () const
{
	return cpls_of_type<DCPCPL> ();
}

shared_ptr<CPL>
DCP::read_cpl (boost::filesystem::path file) const
{
	return shared_ptr<CPL> (new DCPCPL (file));
}

/** @return All assets (including CPLs) */
list<shared_ptr<Asset> >
DCP::assets () const
{
	list<shared_ptr<Asset> > assets;
	BOOST_FOREACH (shared_ptr<DCPCPL> i, cpls()) {
		assets.push_back (i);
		BOOST_FOREACH (shared_ptr<const ReelAsset> j, i->reel_assets ()) {
			shared_ptr<Asset> o = j->asset_ref().asset ();
			assets.push_back (o);
			/* More Interop special-casing */
			shared_ptr<InteropSubtitleAsset> sub = dynamic_pointer_cast<InteropSubtitleAsset> (o);
			if (sub) {
				sub->add_font_assets (assets);
			}
		}
	}

	return assets;
}