/**
 * @file
 * @brief Source file for Example Executable (example app for libopenshot)
 * @author Jonathan Thomas <jonathan@openshot.org>
 *
 * @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 <fstream>
#include <iostream>
#include <memory>
#include <google/protobuf/util/time_util.h>
#include "../../include/CVTracker.h"
#include "../../include/CVStabilization.h"
#include "../../include/trackerdata.pb.h"

#include "../../include/OpenShot.h"
#include "../../include/CrashHandler.h"

using namespace openshot;
// using namespace cv;

// void displayTrackedData(openshot::Clip &r9){
//     // Opencv display window
//     cv::namedWindow("Display Image", cv::WINDOW_NORMAL );
    
//     // Create Tracker
//     CVTracker kcfTracker;
//     // Load saved data
//     if(!kcfTracker.LoadTrackedData("kcf_tracker.data")){
//         std::cout<<"Was not possible to load the tracked data\n";
//         return;
//     }

//     for (long int frame = 1200; frame <= 1600; frame++)
//     {
//         int frame_number = frame;
//         std::shared_ptr<openshot::Frame> f = r9.GetFrame(frame_number);
        
//         // Grab Mat image
//         cv::Mat cvimage = f->GetImageCV();

//         FrameData fd = kcfTracker.GetTrackedData(frame_number);
//         cv::Rect2d box(fd.x1, fd.y1, fd.x2-fd.x1, fd.y2-fd.y1);
//         cv::rectangle(cvimage, box, cv::Scalar( 255, 0, 0 ), 2, 1 );
    
//         cv::imshow("Display Image", cvimage);
//         // Press  ESC on keyboard to exit
//         char c=(char)cv::waitKey(25);
//         if(c==27)
//             break;
//     }

// }


void displayClip(openshot::Clip &r9){
    // Opencv display window
    cv::namedWindow("Display Image", cv::WINDOW_NORMAL );
    
    int videoLenght = r9.Reader()->info.video_length;

    for (long int frame = 0; frame < videoLenght; frame++)
    {
        int frame_number = frame;
        std::shared_ptr<openshot::Frame> f = r9.GetFrame(frame_number);
        // Grab Mat image
        cv::Mat cvimage = f->GetImageCV();
        cv::imshow("Display Image", cvimage);
        // Press  ESC on keyboard to exit
        char c=(char)cv::waitKey(25);
        if(c==27)
            break;
    }

}

int main(int argc, char* argv[]) {

    // bool TRACK_DATA = true;
    // bool LOAD_TRACKED_DATA = false;
    // bool SMOOTH_VIDEO = false;
    // bool LOAD_SMOOTH_DATA = false;
    // bool OBJECT_DETECTION_DATA = false;
    // bool LOAD_OBJECT_DETECTION = false;

    // std::string input_filepath = TEST_MEDIA_PATH;
    // input_filepath = "../../src/examples/test.avi";

    // openshot::Clip r9(input_filepath);
    // r9.Open();

    // if(TRACK_DATA)
    //     // ClipProcessingJobs clipProcessing("Track", r9);
    // if(LOAD_TRACKED_DATA){
    //     /***/
    // }
    // if(SMOOTH_VIDEO)
    //     // ClipProcessingJobs clipProcessing("Stabilize", r9);
    // if(LOAD_SMOOTH_DATA){
    //     /***/
    // }
    // if(OBJECT_DETECTION_DATA){
    //     // CVObjectDetection objectDetection("GPU");
    //     // objectDetection.ProcessClip(r9);
    // }
    // displayClip(r9);

    // // Close timeline
    // r9.Close();

    // // 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
    // CVStabilization stabilizer("{\"protobuf_data_path\": \"\", \"tracker_type\": \"KCF\", \"bbox\": {\"x\": 294, \"y\": 102, \"w\": 180, \"h\": 166}}");

    // // Track clip for frames 0-20
    // stabilizer.stabilizeClip(c1, 0, 20+1, true);

    // // Create empty rotation matrix
    // for(long int frame_number=0; frame_number<=20; frame_number++){
    //     cv::Mat frame_image = c1.GetFrame(frame_number)->GetImageCV();
    //     cv::Mat T(2,3,CV_64F);

    //     // Get tracked data
    //     TransformParam tp = stabilizer.GetTransformParamData(frame_number);
    //     CamTrajectory ct = stabilizer.GetCamTrajectoryTrackedData(frame_number);
        
    //     // Set rotation matrix values
    //     T.at<double>(0,0) = cos(tp.da);
    //     T.at<double>(0,1) = -sin(tp.da);
    //     T.at<double>(1,0) = sin(tp.da);
    //     T.at<double>(1,1) = cos(tp.da);

    //     T.at<double>(0,2) = tp.dx;
    //     T.at<double>(1,2) = tp.dy;

    //     // Apply rotation matrix to image
    //     cv::Mat frame_stabilized;
    //     cv::warpAffine(frame_image, frame_stabilized, T, frame_image.size());

    //     // Scale up the image to remove black borders
    //     cv::Mat T_scale = cv::getRotationMatrix2D(cv::Point2f(frame_stabilized.cols/2, frame_stabilized.rows/2), 0, 1.04); 
    //     cv::warpAffine(frame_stabilized, frame_stabilized, T_scale, frame_stabilized.size());

    //     std::cout<<tp.dx<<" "<<tp.dy<<" "<<tp.da<<" "<<ct.x<<" "<<ct.y<<" "<<ct.a<<std::endl;

    //     cv::imshow("teste", frame_stabilized);
    //     cv::waitKey(25);
    // }
    // cv::destroyAllWindows();


	std::cout << "Completed successfully!" << std::endl;

    return 0;
}