/*
    Copyright 2005-2013 Intel Corporation.  All Rights Reserved.

    This file is part of Threading Building Blocks.

    Threading Building Blocks is free software; you can redistribute it
    and/or modify it under the terms of the GNU General Public License
    version 2 as published by the Free Software Foundation.

    Threading Building Blocks 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 Threading Building Blocks; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    As a special exception, you may use this file as part of a free software
    library without restriction.  Specifically, if other files instantiate
    templates or use macros or inline functions from this file, or you compile
    this file and link it with other files to produce an executable, this
    file does not by itself cause the resulting executable to be covered by
    the GNU General Public License.  This exception does not however
    invalidate any other reasons why the executable file might be covered by
    the GNU General Public License.
*/

#define VIDEO_WINMAIN_ARGS

#include <stdio.h>
#include <iostream>

#include "fractal.h"
#include "fractal_video.h"

#include "tbb/tick_count.h"
#include "tbb/task_scheduler_init.h"

#include "../../common/utility/utility.h"

bool silent = false;
bool single = false;
bool schedule_auto = false;
int grain_size = 8;

int main(int argc, char *argv[])
{
    try{
        tbb::tick_count mainStartTime = tbb::tick_count::now();

        // It is used for console mode for test with different number of threads and also has
        // meaning for GUI: threads.first  - use separate event/updating loop thread (>0) or not (0).
        //                  threads.second - initialization value for scheduler
        utility::thread_number_range threads( tbb::task_scheduler_init::default_num_threads );
        int num_frames = -1;
        int max_iterations = 1000000;

        // command line parsing
        utility::parse_cli_arguments(argc,argv,
            utility::cli_argument_pack()
            //"-h" option for for displaying help is present implicitly
            .positional_arg(threads,"n-of-threads",utility::thread_number_range_desc)
            .positional_arg(num_frames,"n-of-frames","number of frames the example processes internally")
            .positional_arg(max_iterations,"max-of-iterations","maximum number of the fractal iterations")
            .positional_arg(grain_size,"grain-size","the grain size value")
            .arg(schedule_auto, "use-auto-partitioner", "use tbb::auto_partitioner")
            .arg(silent, "silent", "no output except elapsed time")
            .arg(single, "single", "process only one fractal")
        );

        fractal_video video;

        // video layer init
        if ( video.init_window(1024, 512) ) {
            video.calc_fps = false;
            video.threaded = threads.first > 0;
            // initialize fractal group
            fractal_group fg( video.get_drawing_memory(), threads.last, max_iterations, num_frames );
            video.set_fractal_group( fg );
            // main loop
            video.main_loop();
        }
        else if ( video.init_console() ) {
            // in console mode we always have limited number of frames
            num_frames = num_frames<0 ? 1 : num_frames;
            for(int p = threads.first;  p <= threads.last; p = threads.step(p) ) {
                if ( !silent ) printf("Threads = %d\n", p);
                fractal_group fg( video.get_drawing_memory(), p, max_iterations, num_frames );
                fg.run( !single );
            }
        }
        video.terminate();
        utility::report_elapsed_time((tbb::tick_count::now() - mainStartTime).seconds());
        return 0;
    } catch ( std::exception& e ) {
        std::cerr<<"error occurred. error text is :\"" <<e.what()<<"\"\n";
        return 1;
    }
}
