#include "speechclient.hh"

#include <QtCore>

SpeechClient::SpeechClient( Config::VoiceEngine const & e, QObject * parent ):
  QObject( parent ),
  internalData( std::make_unique< InternalData >( e ) )
{
}


SpeechClient::Engines SpeechClient::availableEngines()
{
  Engines engines;
  const auto innerEngines = QTextToSpeech::availableEngines();

  for( const auto & engine_name : innerEngines ) {
    std::unique_ptr< QTextToSpeech > sp( std::make_unique< QTextToSpeech >( engine_name ) );
    const QVector< QLocale > locales = sp->availableLocales();
    for( const QLocale & locale : locales ) {
      //on some platforms ,change the locale will change voices too.
      sp->setLocale( locale );
      for( const QVoice & voice : sp->availableVoices() ) {
        QString name( QString( "%4 - %3 %1 (%2)" )
                        .arg( QLocale::languageToString( locale.language() ),
                              ( QLocale::countryToString( locale.country() ) ),
                              voice.name(),
                              engine_name ) );
        SpeechClient::Engine engine( Config::VoiceEngine( engine_name, name, voice.name(), locale, 50, 0 ) );
        engines.push_back( engine );
      }
    }
  }

  return engines;
}

bool SpeechClient::tell( QString const & text, int volume, int rate )
{
  if( internalData->sp->state() != QTextToSpeech::Ready )
    return false;

  internalData->sp->setVolume( volume / 100.0 );
  internalData->sp->setRate( rate / 10.0 );

  internalData->sp->say( text );
  return true;
}

bool SpeechClient::tell( QString const & text )
{
  return tell(text, internalData->engine.volume, internalData->engine.rate);
}