/**
 * @file
 * @brief Unit tests for openshot::Frame
 * @author Jonathan Thomas <jonathan@openshot.org>
 * @author FeRD (Frank Dana) <ferdnyc@gmail.com>
 *
 * @ref License
 */

/* LICENSE
 *
 * Copyright (c) 2008-2019 OpenShot Studios, LLC
 * <http://www.openshotstudios.com/>. This file is part of
 * OpenShot Library (libopenshot), an open-source project dedicated to
 * delivering high quality video editing and animation solutions to the
 * world. For more information visit <http://www.openshot.org/>.
 *
 * OpenShot Library (libopenshot) is free software: you can redistribute it
 * and/or modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * OpenShot Library (libopenshot) 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
 */

#include "UnitTest++.h"
// Prevent name clashes with juce::UnitTest
#define DONT_SET_USING_JUCE_NAMESPACE 1
#include "../include/OpenShot.h"
#include "../include/ProcessingController.h"
#include <QImage>

using namespace openshot;

SUITE(CVTracker_Tests)
{

    // Just for the tracker constructor, it won't be used
    ProcessingController processingController;

    TEST(Track_Video)
    {
        // Create a video clip
        std::stringstream path;
        path << TEST_MEDIA_PATH << "test.avi";

        // Open clip
        openshot::Clip c1(path.str());
        c1.Open();

        // Create tracker
        CVTracker kcfTracker("{\"protobuf_data_path\": \"\", \"tracker_type\": \"KCF\", \"bbox\": {\"x\": 294, \"y\": 102, \"w\": 180, \"h\": 166}}", processingController);

        // Track clip for frames 0-20
        kcfTracker.trackClip(c1, 0, 20, true);

        // Get tracked data
        FrameData fd = kcfTracker.GetTrackedData(20);

        int x = fd.x1;
        int y = fd.y1;
        int width = fd.x2-fd.x1;
        int height = fd.y2-fd.y1;

        // Compare if tracked data is equal to pre-tested ones
        CHECK_EQUAL(259, x);
        CHECK_EQUAL(131, y);
        CHECK_EQUAL(180, width);
        CHECK_EQUAL(166, height);
    }


    TEST(SaveLoad_Protobuf)
    {

        // Create a video clip
        std::stringstream path;
        path << TEST_MEDIA_PATH << "test.avi";

        // Open clip
        openshot::Clip c1(path.str());
        c1.Open();

        // Create first tracker
        CVTracker kcfTracker_1("{\"protobuf_data_path\": \"kcf_tracker.data\", \"tracker_type\": \"KCF\", \"bbox\": {\"x\": 294, \"y\": 102, \"w\": 180, \"h\": 166}}", processingController);

        // Track clip for frames 0-20
        kcfTracker_1.trackClip(c1, 0, 20, true);

        // Get tracked data
        FrameData fd_1 = kcfTracker_1.GetTrackedData(20);

        int x_1 = fd_1.x1;
        int y_1 = fd_1.y1;
        int width_1 = fd_1.x2-fd_1.x1;
        int height_1 = fd_1.y2-fd_1.y1;

        // Save tracked data
        kcfTracker_1.SaveTrackedData();

        // Create second tracker
        CVTracker kcfTracker_2("{\"protobuf_data_path\": \"kcf_tracker.data\", \"tracker_type\": \"\", \"bbox\": {\"x\": -1, \"y\": -1, \"w\": -1, \"h\": -1}}", processingController);

        // Load tracked data from first tracker protobuf data
        kcfTracker_2.LoadTrackedData();

        // Get tracked data
        FrameData fd_2 = kcfTracker_2.GetTrackedData(20);

        int x_2 = fd_2.x1;
        int y_2 = fd_2.y1;
        int width_2 = fd_2.x2-fd_2.x1;
        int height_2 = fd_2.y2-fd_2.y1;

        // Compare first tracker data with second tracker data
        CHECK_EQUAL(x_1, x_2);
        CHECK_EQUAL(y_1, y_2);
        CHECK_EQUAL(width_1, width_2);
        CHECK_EQUAL(height_1, height_2);
    }

} // SUITE(Frame_Tests)