/*
    Copyright (C) 2016-2021 Carl Hetherington <cth@carlh.net>

    This file is part of DCP-o-matic.

    DCP-o-matic 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.

    DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.

*/


#include "film.h"
#include "job.h"
#include "video_content.h"
#include "video_mxf_content.h"
#include "video_mxf_examiner.h"
#include <asdcp/KM_log.h>
#include <dcp/exceptions.h>
#include <dcp/mono_j2k_picture_asset.h>
#include <dcp/stereo_j2k_picture_asset.h>
#include <libxml++/libxml++.h>

#include "i18n.h"


using std::list;
using std::make_shared;
using std::shared_ptr;
using std::string;
using boost::optional;
using namespace dcpomatic;


VideoMXFContent::VideoMXFContent (boost::filesystem::path path)
	: Content (path)
{

}


VideoMXFContent::VideoMXFContent(cxml::ConstNodePtr node, boost::optional<boost::filesystem::path> film_directory, int version)
	: Content(node, film_directory)
{
	video = VideoContent::from_xml (this, node, version, VideoRange::FULL);
}


bool
VideoMXFContent::valid_mxf (boost::filesystem::path path)
{
	Kumu::DefaultLogSink().UnsetFilterFlag(Kumu::LOG_ALLOW_ALL);

	try {
		dcp::MonoJ2KPictureAsset mp(path);
		return true;
	} catch (dcp::MXFFileError& e) {

	} catch (dcp::ReadError& e) {

	}

	try {
		Kumu::DefaultLogSink().SetFilterFlag(0);
		dcp::StereoJ2KPictureAsset sp (path);
		return true;
	} catch (dcp::MXFFileError& e) {

	} catch (dcp::ReadError& e) {

	}

	Kumu::DefaultLogSink().SetFilterFlag(Kumu::LOG_ALLOW_ALL);

	return false;
}


void
VideoMXFContent::examine(shared_ptr<const Film> film, shared_ptr<Job> job, bool tolerant)
{
	job->set_progress_unknown ();

	Content::examine(film, job, tolerant);

	video.reset (new VideoContent (this));
	auto examiner = make_shared<VideoMXFExaminer>(shared_from_this());
	video->take_from_examiner(film, examiner);
	video->unset_colour_conversion ();
}


string
VideoMXFContent::summary () const
{
	return fmt::format(_("{} [video]"), path_summary());
}


string
VideoMXFContent::technical_summary () const
{
	return Content::technical_summary() + " - " + video->technical_summary();
}


string
VideoMXFContent::identifier () const
{
	return Content::identifier() + "_" + video->identifier();
}


void
VideoMXFContent::as_xml(xmlpp::Element* element, bool with_paths, PathBehaviour path_behaviour, optional<boost::filesystem::path> film_directory) const
{
	cxml::add_text_child(element, "Type", "VideoMXF");
	Content::as_xml(element, with_paths, path_behaviour, film_directory);
	video->as_xml(element);
}


DCPTime
VideoMXFContent::full_length (shared_ptr<const Film> film) const
{
	FrameRateChange const frc (film, shared_from_this());
	return DCPTime::from_frames (llrint(video->length_after_3d_combine() * frc.factor()), film->video_frame_rate());
}


DCPTime
VideoMXFContent::approximate_length () const
{
	return DCPTime::from_frames (video->length_after_3d_combine(), 24);
}


void
VideoMXFContent::add_properties (shared_ptr<const Film> film, list<UserProperty>& p) const
{
	Content::add_properties (film, p);
	video->add_properties (p);
}