/*
    Copyright (C) 2015-2018 Carl Hetherington <cth@carlh.net>

    This file is part of libdcp.

    libdcp 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.

    libdcp 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 libdcp.  If not, see <http://www.gnu.org/licenses/>.
*/


/** @file  test/shared_subtitle_test.cc
 *  @brief Tests of the code that is shared between Interop and SMPTE subtitles.
 */


#include "interop_subtitle_asset.h"
#include "smpte_subtitle_asset.h"
#include "subtitle_string.h"
#include "subtitle_image.h"
#include "subtitle_asset_internal.h"
#include "reel_subtitle_asset.h"
#include "reel.h"
#include "cpl.h"
#include "dcp.h"
#include "test.h"
#include "util.h"
#include <boost/test/unit_test.hpp>

using std::list;
using std::string;
using boost::shared_ptr;


/** Test dcp::order::Font::take_intersection */
BOOST_AUTO_TEST_CASE (take_intersection_test)
{
	dcp::order::Font A;
	A._values["foo"] = "bar";
	A._values["fred"] = "jim";

	dcp::order::Font B;
	B._values["foo"] = "bar";
	B._values["sheila"] = "baz";

	A.take_intersection (B);
	BOOST_REQUIRE_EQUAL (A._values.size(), 1);
	BOOST_CHECK_EQUAL (A._values["foo"], "bar");

	A._values.clear ();
	B._values.clear ();

	A._values["foo"] = "bar";
	A._values["fred"] = "jim";

	B._values["foo"] = "hello";
	B._values["sheila"] = "baz";

	A.take_intersection (B);
	BOOST_CHECK_EQUAL (A._values.size(), 0);
}

/** Test dcp::order::Font::take_difference */
BOOST_AUTO_TEST_CASE (take_difference_test)
{
	dcp::order::Font A;
	A._values["foo"] = "bar";
	A._values["fred"] = "jim";

	dcp::order::Font B;
	B._values["foo"] = "bar";
	B._values["sheila"] = "baz";

	A.take_difference (B);
	BOOST_REQUIRE_EQUAL (A._values.size(), 1);
	BOOST_CHECK_EQUAL (A._values["fred"], "jim");
}

/** Test dcp::order::Subtitle::pull_fonts */
BOOST_AUTO_TEST_CASE (pull_fonts_test1)
{
	shared_ptr<dcp::order::Part> root (new dcp::order::Part (shared_ptr<dcp::order::Part> ()));
	shared_ptr<dcp::order::Subtitle> sub1 (new dcp::order::Subtitle (root, dcp::Time(), dcp::Time(), dcp::Time(), dcp::Time()));
	root->children.push_back (sub1);
	shared_ptr<dcp::order::Text> text1 (new dcp::order::Text (sub1, dcp::HALIGN_CENTER, 0, dcp::VALIGN_TOP, 0, dcp::DIRECTION_LTR));
	sub1->children.push_back (text1);
	text1->font._values["font"] = "Inconsolata";
	text1->font._values["size"] = "42";

	dcp::SubtitleAsset::pull_fonts (root);

	BOOST_REQUIRE_EQUAL (sub1->font._values.size(), 2);
	BOOST_CHECK_EQUAL (sub1->font._values["font"], "Inconsolata");
	BOOST_CHECK_EQUAL (sub1->font._values["size"], "42");
	BOOST_CHECK_EQUAL (text1->font._values.size(), 0);
}

/** Test dcp::order::Subtitle::pull_fonts */
BOOST_AUTO_TEST_CASE (pull_fonts_test2)
{
	shared_ptr<dcp::order::Part> root (new dcp::order::Part (shared_ptr<dcp::order::Part> ()));
	shared_ptr<dcp::order::Subtitle> sub1 (new dcp::order::Subtitle (root, dcp::Time(), dcp::Time(), dcp::Time(), dcp::Time()));
	root->children.push_back (sub1);
	shared_ptr<dcp::order::Text> text1 (new dcp::order::Text (sub1, dcp::HALIGN_CENTER, 0, dcp::VALIGN_TOP, 0, dcp::DIRECTION_LTR));
	sub1->children.push_back (text1);
	text1->font._values["font"] = "Inconsolata";
	text1->font._values["size"] = "42";
	shared_ptr<dcp::order::Text> text2 (new dcp::order::Text (sub1, dcp::HALIGN_CENTER, 0, dcp::VALIGN_TOP, 0, dcp::DIRECTION_LTR));
	sub1->children.push_back (text2);
	text2->font._values["font"] = "Inconsolata";
	text2->font._values["size"] = "48";

	dcp::SubtitleAsset::pull_fonts (root);

	BOOST_REQUIRE_EQUAL (sub1->font._values.size(), 1);
	BOOST_CHECK_EQUAL (sub1->font._values["font"], "Inconsolata");
	BOOST_REQUIRE_EQUAL (text1->font._values.size(), 1);
	BOOST_CHECK_EQUAL (text1->font._values["size"], "42");
	BOOST_REQUIRE_EQUAL (text2->font._values.size(), 1);
	BOOST_CHECK_EQUAL (text2->font._values["size"], "48");
}

/** Test dcp::order::Subtitle::pull_fonts */
BOOST_AUTO_TEST_CASE (pull_fonts_test3)
{
	shared_ptr<dcp::order::Part> root (new dcp::order::Part (shared_ptr<dcp::order::Part> ()));
	shared_ptr<dcp::order::Subtitle> sub1 (new dcp::order::Subtitle (root, dcp::Time(), dcp::Time(), dcp::Time(), dcp::Time()));
	root->children.push_back (sub1);
	shared_ptr<dcp::order::Text> text1 (new dcp::order::Text (sub1, dcp::HALIGN_CENTER, 0, dcp::VALIGN_TOP, 0, dcp::DIRECTION_LTR));
	sub1->children.push_back (text1);
	dcp::order::Font font;
	font._values["font"] = "Inconsolata";
	font._values["size"] = "42";
	shared_ptr<dcp::order::String> string1 (new dcp::order::String (text1, font, "Hello world"));
	text1->children.push_back (string1);

	dcp::SubtitleAsset::pull_fonts (root);

	BOOST_REQUIRE_EQUAL (sub1->font._values.size(), 2);
	BOOST_CHECK_EQUAL (sub1->font._values["font"], "Inconsolata");
	BOOST_CHECK_EQUAL (sub1->font._values["size"], "42");
}