/*******************************************************************************/
/* Copyright (C) 2008 Jonathan Moore Liles                                     */
/*                                                                             */
/* This program 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.                                                  */
/*                                                                             */
/* This program 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 This program; see the file COPYING.  If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
/*******************************************************************************/

#include <FL/Fl.H>


#include <stdio.h>
#include <unistd.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <string.h>

#include "Region.H"
#include "Sequence.H"
#include "Audio_Sequence.H"
#include "Timeline.H"
#include "Tempo_Sequence.H"
#include "Time_Sequence.H"
#include "Ruler_Sequence.H"
#include "Control_Sequence.H"

#include "Transport.H"

#include "Loggable.H"
#include "Track.H"

#include "Engine.H"

#include "TLE.H"

#include "../FL/Boxtypes.H"

#include <stdlib.h>
#include <sys/stat.h>


Engine *engine;
Timeline *timeline;
Transport *transport;

#define VERSION "0.5.0"

/* TODO: put these in a header */
#define USER_CONFIG_DIR ".non-daw/"

const char APP_NAME[]   = "Non-DAW";
const char APP_TITLE[]  = "The Non-DAW (Digital Audio Workstation)";
const char COPYRIGHT[]  = "Copyright (C) 2008 Jonathan Moore Liles";

#define PACKAGE "non"


#include "debug.h"

char *user_config_dir;
char session_display_name[256];

void
set_display_name ( const char *name )
{
    char *s = rindex( name, '/' );

    strcpy( session_display_name, s ? s : name );

    for ( s = session_display_name; *s; ++s )
        if ( *s == '_' || *s == '-' )
            *s = ' ';
}

static int
exists ( const char *name )
{
    struct stat st;

    return 0 == stat( name, &st );
}

#include <errno.h>

static int
ensure_dirs ( void )
{
    asprintf( &user_config_dir, "%s/%s", getenv( "HOME" ), USER_CONFIG_DIR );

    int r = mkdir( user_config_dir, 0777 );

    return r == 0 || errno == EEXIST;
}

bool
create_session ( const char *name )
{
    if ( exists( name ) )
    {
        WARNING( "Session already exists" );
        return false;
    }

    if ( mkdir( name, 0777 ) )
    {
        WARNING( "Cannot create session directory" );
        return false;
    }

    if ( chdir( name ) )
        FATAL( "WTF? Cannot change to new session directory" );

    mkdir( "sources", 0777 );

    set_display_name( name );

    /* TODO: load template */


    return true;
}

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

    *session_display_name = '\0';

    /* welcome to C++ */
    LOG_REGISTER_CREATE( Region );
    LOG_REGISTER_CREATE( Time_Point );
    LOG_REGISTER_CREATE( Tempo_Point );
    LOG_REGISTER_CREATE( Ruler_Point );
    LOG_REGISTER_CREATE( Control_Point );
    LOG_REGISTER_CREATE( Track );
    LOG_REGISTER_CREATE( Audio_Sequence );
    LOG_REGISTER_CREATE( Control_Sequence );

    init_boxtypes();

    if ( ! ensure_dirs() )
        FATAL( "Cannot create required directories" );

    printf( "%s %s -- %s\n", APP_TITLE, VERSION, COPYRIGHT );

    const char *pwd = getenv( "PWD" );

    if ( argc > 1 )
    {
        /* FIXME: what about FLTK arguments? */

        /* change to session dir */
        if ( chdir( argv[ 1 ] ) )
            FATAL( "Cannot change to session dir \"%s\"", argv[ 1 ] );
        else
            pwd = argv[ 1 ];
    }

    if ( ! exists( "history" ) ||
         ! exists( "sources" ) )
//         ! exists( "options" ) )
        FATAL( "Not a Non-DAW session: \"%s\"", pwd );

    set_display_name( pwd );

    TLE tle;

    MESSAGE( "Initializing JACK" );

    /* we don't really need a pointer for this */
    engine = new Engine;
    engine->init();

    /* always start stopped (please imagine for me a realistic
     * scenario requiring otherwise */
    transport->stop();

    MESSAGE( "Opening session" );
    Loggable::open( "history" );

    MESSAGE( "Starting GUI" );
//    tle.main_window->show( argc, argv );
    tle.main_window->show();

    Fl::run();
}