/* Copyright 2013 Kjetil S. Matheussen

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; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */


#include <math.h>
#include <signal.h>

#include <string>

//#include "audio/faudiostream/architecture/faust/gui/UI.h"

#include "nonlib/nsm.h"

#include <vector>

#define OPTARGS_CHECK_GET(wrong,right) lokke==argc-1?(fprintf(stderr,"Must supply argument for '%s'\n",argv[lokke]),exit(-4),wrong):right

#define OPTARGS_BEGIN(das_usage) {int lokke;const char *usage=das_usage;for(lokke=1;lokke<argc;lokke++){char *a=argv[lokke];if(!strcmp("--help",a)||!strcmp("-h",a)){fprintf(stderr,"%s",usage);exit(0);
#define OPTARG(name,name2) }}else if(!strcmp(name,a)||!strcmp(name2,a)){{
#define OPTARG_GETINT() OPTARGS_CHECK_GET(0,atoll(argv[++lokke]))
//int optargs_inttemp;
//#define OPTARG_GETINT() OPTARGS_CHECK_GET(0,(optargs_inttemp=strtol(argv[++lokke],(char**)NULL,10),errno!=0?(perror("strtol"),0):optargs_inttemp))
#define OPTARG_GETFLOAT() OPTARGS_CHECK_GET(0.0f,atof(argv[++lokke]))
#define OPTARG_GETSTRING() OPTARGS_CHECK_GET("",argv[++lokke])
#define OPTARG_LAST() }}else if(lokke==argc-1 && argv[lokke][0]!='-'){lokke--;{
#define OPTARGS_ELSE() }else if(1){
#define OPTARGS_END }else{fprintf(stderr,"%s",usage);exit(-1);}}}

#include "common/nsmtracker.h"
#include "Qt/Qt_MyQCheckBox.h"
#include "Qt/Qt_MyQSlider.h"
#include "Qt/Qt_MyQButton.h"

static QColor das_colors[16];
QColor *g_colors=&das_colors[0];

#include "mQt_compressor_widget_callbacks.h"

static void set_colors(void){
  das_colors[0] = QColor("#828070");
  das_colors[1] = QColor("#00001d");
  das_colors[2] = QColor("#f1ece6");
  das_colors[3] = QColor("#98006d");
  das_colors[4] = QColor("#6437a7");
  das_colors[5] = QColor("#354353");
  das_colors[6] = QColor("#8b6735");
  das_colors[7] = QColor("#23405d");
  das_colors[8] = QColor("#310062");
  das_colors[9] = QColor("#8a8877");
  das_colors[10] = QColor("#7a7a7a");
  das_colors[11] = QColor("#696c5f");
  das_colors[12] = QColor("#a1b09b");
  das_colors[13] = QColor("#13511f");
  das_colors[14] = QColor("#8a0000");
  das_colors[15] = QColor("#7a7967");
}

bool g_autoconnect = false;
const char *g_jack_client_name = "radium_compressor";
const char *g_settings_filename = NULL;
const char *g_shared_mem_key = NULL;

static Compressor_widget *g_compressor_editor = NULL;
static void *g_compressor = NULL;

Compressor_widget *create_compressor_editor(QWidget *parent, void *compressor){
  // A minimal radium patch environment.
  struct Patch *patch = new Patch;
  SoundPlugin *plugin = new SoundPlugin;
  patch->patchdata = plugin;
  plugin->compressor = compressor;
  
  Compressor_widget *compressor_widget = new Compressor_widget(patch,parent);

  if(g_settings_filename!=NULL)
    compressor_widget->load(g_settings_filename);

  set_colors();

  QPalette pal = compressor_widget->palette();
  //pal.setColor(compressor.backgroundRole(), das_colors[11].light(200));
  pal.setColor(compressor_widget->backgroundRole(), das_colors[11].light(100));
  compressor_widget->setPalette(pal);

  return compressor_widget;
}

void delete_compressor_editor(Compressor_widget *compressor_editor){
  struct Patch *patch=compressor_editor->_patch;
  struct SoundPlugin *plugin=(SoundPlugin*)patch->patchdata;
  COMPRESSOR_delete(plugin->compressor);
  //delete compressor;
}

static nsm_client_t *g_nsm = 0;
static bool g_nsm_quit_now = false;


struct NSMTimer : public QTimer{
  void timerEvent(QTimerEvent * e){
    if(g_nsm_quit_now==true)
      QApplication::quit();
    else
      nsm_check_nowait(g_nsm);
  }
};

NSMTimer g_nsm_timer;

static const char *g_nsm_save_filename;

int rc_nsm_open ( const char *name,                           
                  const char *display_name,                   
                  const char *client_id,                      
                  char **out_msg,                             
                  void *userdata )                            
{                                                         

  if(g_compressor_editor != NULL) {
    fprintf(stderr,"calling nsm open twice is not supported.\n");
    abort();
  }

  //do_open_stuff();
  g_jack_client_name = client_id;
  g_compressor = COMPRESSOR_create(0);

  if(g_nsm_save_filename != NULL)
    free((void*)g_nsm_save_filename);
  g_nsm_save_filename = strdup(name);

  g_compressor_editor = create_compressor_editor(NULL, g_compressor);
  g_compressor_editor->load_button->hide();
  g_compressor_editor->save_button->hide();
  g_compressor_editor->setWindowFlags ( Qt::CustomizeWindowHint | Qt::WindowTitleHint);

  g_compressor_editor->load(name, false);
  g_compressor_editor->show();


  char temp[1000];
  sprintf(temp, "Open. name: %s, display_name: %s, client_id: %s\n",name, display_name, client_id);
  *out_msg = strdup(temp);
  puts(temp);

  return ERR_OK;                                    
}                                                         

int rc_nsm_save ( char **out_msg,                             
              void *userdata )                            
{               
  //do_save_stuff(); 
  g_compressor_editor->save(g_nsm_save_filename);
                                     
  char temp[1000];
  sprintf(temp, "Save. userdata: %p\n", userdata);
  *out_msg = strdup(temp);
  puts(temp);
  return ERR_OK;                                        
}                                                         

void rc_nsm_signalHanlder(int sigNum)
{
  g_nsm_quit_now = true;
}


void start_program(int argc, char **argv){

  QApplication app(argc, argv);

  {


    // nsm
    {
      const char *nsm_url = getenv( "NSM_URL" );
      if ( nsm_url )                                        
        {                                                     
          g_nsm = nsm_new();                                  
          
          printf("NSM: %p\n",g_nsm);

          nsm_set_open_callback( g_nsm, rc_nsm_open, 0 );     
          nsm_set_save_callback( g_nsm, rc_nsm_save, 0 );     
          
          if ( 0 == nsm_init( g_nsm, nsm_url ) )              
            {                                                
              signal(SIGTERM, rc_nsm_signalHanlder);
              nsm_send_announce( g_nsm, "Radium Compressor", "", argv[0] ); 
              g_nsm_timer.setInterval(50);
              g_nsm_timer.start();
              
            }                                                 
          else                                              
            {                                                 
              nsm_free( g_nsm );                              
              g_nsm = 0;                                      
            }                                                 
        }                                                     
    }

    if(g_nsm == NULL){
      if (g_compressor == NULL)
        g_compressor = COMPRESSOR_create(0);
      g_compressor_editor = create_compressor_editor(NULL, g_compressor);
      g_compressor_editor->show();
    }

    app.exec();

    if(g_compressor_editor != NULL)
      delete_compressor_editor(g_compressor_editor);
  }
}

#ifndef COMPILING_VST

void *COMPRESSOR_create_ladspa(const char *key);




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

  {
    // Qt insists on doing strange things with locale settings, causing commans to appear instead of punctation. In an ideal world, LC_NUMERIC/LANG should never be set to anything else than "C", but unfortunately, many computers runs with uncommon language settings such as french or swedish. By default, programs seems to respect the sane behaviour (in the programming world), namely to never use commas when converting between strings and floats, but Qt does something strange with the world inside the QApplication contructor, and causes commas to be used everywhere if there is an uncommon LC_NUMERIC settings (or uncommon LANG setting).
    
    setenv("LC_NUMERIC", "C", 1);
    
    putenv(strdup("LC_NUMERIC=C")); // for mingw

    QLocale::setDefault(QLocale::c());
    
    QApplication::setDesktopSettingsAware(false);

    QLocale::setDefault(QLocale::C);
  }
  
  OPTARGS_BEGIN("radium_compressor [--autoconnect] [--client-name s] [--settings-filename s] [settings-filename]\n"
                "                  [ -ac         ] [ -cn          s] [ -sn                s] [settings filename]\n"
                "\n"
                "\"autoconnect\"       connects radium_compressor to physical in and out ports.\n"
                "\"client-name\"       sets the name of the jack client.\n"
                "\"settings-filename\" is the name of a settings file to load at startup.\n"
                )
    {

      OPTARG("--settings-filename","-sn") g_settings_filename=OPTARG_GETSTRING();
      OPTARG("--autoconnect","-ac") g_autoconnect=true;
      OPTARG("--client-name","-cn") g_jack_client_name=OPTARG_GETSTRING();
      //OPTARG("--ladspa-slave","-ls") g_shared_mem_key = OPTARG_GETSTRING();
      OPTARG_LAST() g_settings_filename=OPTARG_GETSTRING();
    }OPTARGS_END;

  if(g_shared_mem_key!=NULL){

    g_compressor = COMPRESSOR_create_ladspa(g_shared_mem_key);
    start_program(argc,argv);

  }else{

    start_program(argc,argv);

  }
  return 0;
}

#endif