// rdpanel.cpp
//
// A Dedicated Cart Wall Utility for Rivendell.
//
//   (C) Copyright 2002-2023 Fred Gleason <fredg@paravelsystems.com>
//
//   This program 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.
//
//   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., 675 Mass Ave, Cambridge, MA 02139, USA.
//

#include <math.h>

#include <QApplication>
#include <QMessageBox>
#include <QTranslator>

#include <dbversion.h>
#include <rd.h>
#include <rdapplication.h>
#include <rdcmd_switch.h>
#include <rddbheartbeat.h>

#include "globals.h"
#include "rdpanel.h"

//
// Global Resources
//
RDAudioPort *rdaudioport_conf;
RDCartDialog *panel_cart_dialog;

MainWidget::MainWidget(RDConfig *c,QWidget *parent)
  : RDMainWindow("rdpanel",c)
{
  bool dump_panel_updates=false;
  QString err_msg;

  //
  // Fix the Window Size
  //
  setMinimumSize(sizeHint());

  //
  // Open the Database
  //
  rda=new RDApplication("RDPanel","rdpanel",RDPANEL_USAGE,true,this);
  if(!rda->open(&err_msg,NULL,true,false)) {
    QMessageBox::critical(this,"RDPanel - "+tr("Error"),err_msg);
    exit(1);
  }
  setWindowIcon(rda->iconEngine()->applicationIcon(RDIconEngine::RdPanel,22));

  //
  // Read Command Options
  //
  for(unsigned i=0;i<rda->cmdSwitch()->keys();i++) {
    if(rda->cmdSwitch()->key(i)=="--dump-panel-updates") {
      dump_panel_updates=true;
      rda->cmdSwitch()->setProcessed(i,true);
    }
    if(!rda->cmdSwitch()->processed(i)) {
      QMessageBox::critical(this,"RDPanel - "+tr("Error"),
			    tr("Unknown command option")+": "+
			    rda->cmdSwitch()->key(i));
      exit(RDCoreApplication::ExitInvalidOption);
    }
  }

  //
  // Master Clock Timer
  //
  panel_master_timer=new QTimer(this);
  connect(panel_master_timer,SIGNAL(timeout()),this,SLOT(masterTimerData()));
  panel_master_timer->start(MASTER_TIMER_INTERVAL);

  //
  // Allocate Global Resources
  //
  setBackgroundPixmap(rda->panelConf()->skinPath());

  //
  // CAE Connection
  //
  connect(rda->cae(),SIGNAL(isConnected(bool)),
	  this,SLOT(caeConnectedData(bool)));
  if(!rda->cae()->connectHost(&err_msg)) {
    QMessageBox::warning(this,"RDPanel - "+tr("Error"),err_msg);
    exit(RDCoreApplication::ExitInternalError);
  }

  //
  // RIPC Connection
  //
  connect(rda,SIGNAL(userChanged()),this,SLOT(userData()));
  connect(rda->ripc(),SIGNAL(rmlReceived(RDMacro *)),
	  this,SLOT(rmlReceivedData(RDMacro *)));

  //
  // Meter Timer
  //
  QTimer *timer=new QTimer(this);
  connect(timer,SIGNAL(timeout()),this,SLOT(meterData()));
  timer->start(METER_INTERVAL);

  //
  // Macro Player
  //
  panel_player=new RDEventPlayer(rda->ripc(),this);

  //
  // Cart Picker
  //
  panel_cart_dialog=new RDCartDialog(&panel_filter,&panel_group,
				     &panel_schedcode,"RDPanel",false,this);

  //
  // Sound Panel Array
  //
  if (rda->panelConf()->panels(RDAirPlayConf::StationPanel) || 
      rda->panelConf()->panels(RDAirPlayConf::UserPanel)){
    int card=-1;
    panel_panel=
      new RDSoundPanel(rda->panelConf()->panels(RDAirPlayConf::StationPanel),
		       rda->panelConf()->panels(RDAirPlayConf::UserPanel),
		       rda->panelConf()->flashPanel(),
		       "RDPanel",
		       rda->panelConf()->buttonLabelTemplate(),true,
		       panel_player,panel_cart_dialog,this);
    panel_panel->setDumpPanelUpdates(dump_panel_updates);
    panel_panel->setPauseEnabled(rda->panelConf()->panelPauseEnabled());
    panel_panel->setCard(0,rda->panelConf()->card(RDAirPlayConf::SoundPanel1Channel));
    panel_panel->setPort(0,rda->panelConf()->port(RDAirPlayConf::SoundPanel1Channel));
    panel_panel->setFocusPolicy(Qt::NoFocus);
    if((card=rda->panelConf()->card(RDAirPlayConf::SoundPanel2Channel))<0) {
      panel_panel->setCard(1,panel_panel->card(RDAirPlayConf::MainLog1Channel));
      panel_panel->setPort(1,panel_panel->port(RDAirPlayConf::MainLog1Channel));
    }
    else {
      panel_panel->setCard(1,card);
      panel_panel->setPort(1,rda->panelConf()->port(RDAirPlayConf::SoundPanel2Channel));
    }
    if((card=rda->panelConf()->card(RDAirPlayConf::SoundPanel3Channel))<0) {
      panel_panel->setCard(2,panel_panel->card(RDAirPlayConf::MainLog2Channel));
      panel_panel->setPort(2,panel_panel->port(RDAirPlayConf::MainLog2Channel));
    }
    else {
      panel_panel->setCard(2,card);
      panel_panel->setPort(2,rda->panelConf()->port(RDAirPlayConf::SoundPanel3Channel));
    }
    if((card=rda->panelConf()->card(RDAirPlayConf::SoundPanel4Channel))<0) {
      panel_panel->setCard(3,panel_panel->card(RDAirPlayConf::SoundPanel1Channel));
      panel_panel->setPort(3,panel_panel->port(RDAirPlayConf::SoundPanel1Channel));
    }
    else {
      panel_panel->setCard(3,card);
      panel_panel->setPort(3,rda->panelConf()->port(RDAirPlayConf::SoundPanel4Channel));
    }
    if((card=rda->panelConf()->card(RDAirPlayConf::SoundPanel5Channel))<0) {
      panel_panel->setCard(4,panel_panel->card(RDAirPlayConf::CueChannel));
      panel_panel->setPort(4,panel_panel->port(RDAirPlayConf::CueChannel));
    }
    else {
      panel_panel->setCard(4,card);
      panel_panel->setPort(4,rda->panelConf()->port(RDAirPlayConf::SoundPanel5Channel));
    }

    //
    // Calculate Valid Ports for Reading Meter Data (No Duplicates)
    //
    for(int i=4;i>=0;i--) {
      meter_data_valid[i]=(panel_panel->card(i)>=0);
      for(int j=0;j<i;j++) {
	if((panel_panel->card(i)==panel_panel->card(j))&&
	   (panel_panel->port(i)==panel_panel->port(j))) {
	  meter_data_valid[i]=false;
	}
      }
    }

    //
    // Set Fader Display Numbers
    //
    int next_output=1;
    for(int i=0;i<RD_SOUNDPANEL_MAX_OUTPUTS;i++) {
      bool unique=true;
      QString label=
	rda->portNames()->portName(panel_panel->card(i),panel_panel->port(i));
      for(int j=0;j<i;j++) {
	if((panel_panel->card(i)==panel_panel->card(j))&&
	   (panel_panel->port(i)==panel_panel->port(j))) {
	  unique=false;
	}
      }
      if(unique) {
	next_output++;
      }
      panel_panel->setOutputText(i,label);
    }

    //
    // Set RML Strings
    //
    panel_panel->
      setRmls(0,rda->panelConf()->startRml(RDAirPlayConf::SoundPanel1Channel),
	      rda->panelConf()->stopRml(RDAirPlayConf::SoundPanel1Channel));
    panel_panel->
      setRmls(1,rda->panelConf()->startRml(RDAirPlayConf::SoundPanel2Channel),
	      rda->panelConf()->stopRml(RDAirPlayConf::SoundPanel2Channel));
    panel_panel->
      setRmls(2,rda->panelConf()->startRml(RDAirPlayConf::SoundPanel3Channel),
	      rda->panelConf()->stopRml(RDAirPlayConf::SoundPanel3Channel));
    panel_panel->
      setRmls(3,rda->panelConf()->startRml(RDAirPlayConf::SoundPanel4Channel),
	      rda->panelConf()->stopRml(RDAirPlayConf::SoundPanel4Channel));
    panel_panel->
      setRmls(4,rda->panelConf()->startRml(RDAirPlayConf::SoundPanel5Channel),
	      rda->panelConf()->stopRml(RDAirPlayConf::SoundPanel5Channel));
    panel_panel->setSvcName(rda->panelConf()->defaultSvc());
    connect(rda->ripc(),SIGNAL(userChanged()),panel_panel,SLOT(changeUser()));
    connect(panel_master_timer,SIGNAL(timeout()),
	    panel_panel,SLOT(tickClock()));
  }

  //
  // Audio Meter
  //
  panel_stereo_meter=new RDStereoMeter(this);
  panel_stereo_meter->setMode(RDSegMeter::Peak);
  panel_stereo_meter->setFocusPolicy(Qt::NoFocus);

  //
  // Empty Cart
  //
  panel_empty_cart=new RDEmptyCart(this);
  if(!rda->station()->enableDragdrop()) {
    panel_empty_cart->hide();
  }

  if(!loadSettings(true)) {
    showMaximized();
  }
  
  rda->ripc()->connectHost("localhost",RIPCD_TCP_PORT,rda->config()->password());
}


QSize MainWidget::sizeHint() const
{
  return QSize(935,738);
}


void MainWidget::rmlReceivedData(RDMacro *rml)
{
  RunLocalMacros(rml);
}


QSizePolicy MainWidget::sizePolicy() const
{
  return QSizePolicy(QSizePolicy::Fixed,QSizePolicy::Fixed);
}


void MainWidget::caeConnectedData(bool state)
{
  QList<int> cards;

  cards.push_back(rda->airplayConf()->card(RDAirPlayConf::SoundPanel1Channel));
  cards.push_back(rda->airplayConf()->card(RDAirPlayConf::SoundPanel2Channel));
  cards.push_back(rda->airplayConf()->card(RDAirPlayConf::SoundPanel3Channel));
  cards.push_back(rda->airplayConf()->card(RDAirPlayConf::SoundPanel4Channel));
  cards.push_back(rda->airplayConf()->card(RDAirPlayConf::SoundPanel5Channel));
  rda->cae()->enableMetering(&cards);
}


void MainWidget::userData()
{
  SetCaption();
  rda->ripc()->sendOnairFlag();
}


void MainWidget::meterData()
{
#ifdef SHOW_METER_SLOTS
  printf("meterData()\n");
#endif
  double ratio[2]={0.0,0.0};
  short level[2];

  for(int i=0;i<RD_SOUNDPANEL_MAX_OUTPUTS;i++) {
    if(meter_data_valid[i]) {
      rda->cae()->
	outputMeterUpdate(panel_panel->card(i),panel_panel->port(i),level);
      for(int j=0;j<2;j++) {
	ratio[j]+=pow(10.0,((double)level[j])/1000.0);
      }
    }
  }
  panel_stereo_meter->setLeftPeakBar((int)(log10(ratio[0])*1000.0));
  panel_stereo_meter->setRightPeakBar((int)(log10(ratio[1])*1000.0));
}


void MainWidget::masterTimerData()
{
}


void MainWidget::resizeEvent(QResizeEvent *e)
{
  panel_panel->setGeometry(10,10,size().width()-10,size().height()-25);
  panel_empty_cart->setGeometry(533,size().height()-56,32,32);
  panel_stereo_meter->
    setGeometry(585,
		size().height()-panel_stereo_meter->sizeHint().height()-7,
		panel_stereo_meter->sizeHint().width(),
		panel_stereo_meter->sizeHint().height());
}


void MainWidget::wheelEvent(QWheelEvent *e)
{
  if(e->orientation()==Qt::Vertical) {
    if(e->delta()>0) {
      panel_panel->panelDown();
    }
    if(e->delta()<0) {
      panel_panel->panelUp();
    }
  }
  e->accept();
}


void MainWidget::closeEvent(QCloseEvent *e)
{
  panel_db->removeDatabase(rda->config()->mysqlDbname());
  saveSettings();
  exit(0);
}


void MainWidget::RunLocalMacros(RDMacro *rml)
{
}


void MainWidget::SetCaption()
{
  setWindowTitle(QString("RDPanel")+" v"+VERSION+" - "+tr("Station")+": "+
		 rda->config()->stationName()+", "+tr("User")+": "+
		 rda->ripc()->user());
}


int main(int argc,char *argv[])
{
  QApplication::setStyle(RD_GUI_STYLE);
  QApplication a(argc,argv);
  
  RDConfig *config=new RDConfig();
  config->load();
  MainWidget *w=new MainWidget(config);
  w->show();
  return a.exec();
}