/*
 * main.cpp -- test Sprite
 *
 * Copyright (c) 2013-2016 Malikania Authors
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <chrono>
#include <thread>
#include <exception>

#define BOOST_TEST_MODULE "Sprite"
#include <boost/test/unit_test.hpp>

#include <malikania/client_resources_loader.hpp>
#include <malikania/resources_locator.hpp>
#include <malikania/sprite.hpp>
#include <malikania/window.hpp>

using namespace std::chrono_literals;

namespace {

mlk::window window(400, 400);

} // !namespace

class test_sprite {
protected:
    mlk::directory_resources_locator m_locator;
    mlk::client_resources_loader m_loader;

public:
    test_sprite()
        : m_locator(SOURCE_DIRECTORY "/resources")
        , m_loader(m_locator)
    {
    }
};

BOOST_FIXTURE_TEST_SUITE(test_sprite_suite, test_sprite)

/*
 * Missing properties.
 * ------------------------------------------------------------------
 */

BOOST_AUTO_TEST_SUITE(missing_properties)

BOOST_AUTO_TEST_CASE(image)
{
    BOOST_REQUIRE_THROW(
        m_loader.load_sprite("sprites/no-property-image.json"),
        std::exception
    );
}

BOOST_AUTO_TEST_CASE(cell)
{
    BOOST_REQUIRE_THROW(
        m_loader.load_sprite("sprites/no-property-cell.json"),
        std::exception
    );
}

BOOST_AUTO_TEST_SUITE_END()

/*
 * Invalid properties.
 * ------------------------------------------------------------------
 */

BOOST_AUTO_TEST_SUITE(invalid_properties)

BOOST_AUTO_TEST_CASE(image_not_string)
{
    BOOST_REQUIRE_THROW(
        m_loader.load_sprite("sprites/property-image-not-string.json"),
        std::exception
    );
}

BOOST_AUTO_TEST_CASE(cell_not_array)
{
    BOOST_REQUIRE_THROW(
        m_loader.load_sprite("sprites/property-cell-not-array.json"),
        std::exception
    );
}

BOOST_AUTO_TEST_CASE(cell_not_array2)
{
    BOOST_REQUIRE_THROW(
        m_loader.load_sprite("sprites/property-cell-not-array2.json"),
        std::exception
    );
}

BOOST_AUTO_TEST_SUITE_END()

/*
 * Other errors.
 * ------------------------------------------------------------------
 */

BOOST_AUTO_TEST_SUITE(miscellaneous_errors)

BOOST_AUTO_TEST_CASE(image_not_found)
{
    BOOST_REQUIRE_THROW(
        m_loader.load_sprite("sprites/image-not-found.json"),
        std::exception
    );
}

BOOST_AUTO_TEST_CASE(not_object)
{
    BOOST_REQUIRE_THROW(
        m_loader.load_sprite("sprites/not-object.json"),
        std::exception
    );
}

BOOST_AUTO_TEST_SUITE_END()

/*
 * Valid sprites.
 * ------------------------------------------------------------------
 */

BOOST_AUTO_TEST_SUITE(valid)

BOOST_AUTO_TEST_CASE(standard)
{
    try {
        auto sprite = m_loader.load_sprite("sprites/simple.json");

        BOOST_REQUIRE_EQUAL(300U, sprite.cell().width());
        BOOST_REQUIRE_EQUAL(300U, sprite.cell().height());
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(margins)
{
    try {
        auto sprite = m_loader.load_sprite("sprites/margins.json");

        BOOST_REQUIRE_EQUAL(3U, sprite.rows());
        BOOST_REQUIRE_EQUAL(4U, sprite.columns());
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_CASE(draw)
{
    try {
        auto sprite = m_loader.load_sprite("sprites/margins.json");

        auto total = sprite.rows() * sprite.columns();
        auto x = (400 / 2) - (sprite.cell().width() / 2);
        auto y = (400 / 2) - (sprite.cell().height() / 2);

        for (unsigned c = 0; c < total; ++c) {
            window.clear();
            sprite.draw(window, c, mlk::point(x, y));
            window.present();

            std::this_thread::sleep_for(1s);
        }
    } catch (const std::exception &ex) {
        BOOST_FAIL(ex.what());
    }
}

BOOST_AUTO_TEST_SUITE_END()

BOOST_AUTO_TEST_SUITE_END()