#include <guitar/registry.hpp>
#include <guitar/GlobalDefs.hpp>

Registry::Registry(void)
:	mRegistryKeyName(STRING_REGISTRYKEYNAME),
	mHistoryKeyName(STRING_HISTORYKEYNAME),
	mHistoryKeyShortName(STRING_HISTORYKEYSHORTNAME),
	mSettingsKeyName(STRING_SETTINGSKEYNAME),
	mRegKeyHistory(RegKey::CurrentUser),
	mSettingsAction(STRING_SETTINGSACTION),
	mSettingsMicrosecondsPerQuarterNote(STRING_SETTINGSMICROSECONDSPERQUARTERNOTE),
	mSettingsInstrument(STRING_SETTINGSINSTRUMENT),
	mSettingsNoteLetters(STRING_SETTINGSNOTELETTERS),
	mSettingsMIDIOutput(STRING_SETTINGSMIDIOUTPUT)
{
  guarantee();
	getCacheNames();
}

Registry::Registry(const Registry &someRegistry)
:	mRegistryKeyName(STRING_REGISTRYKEYNAME),
	mHistoryKeyName(STRING_HISTORYKEYNAME),
	mHistoryKeyShortName(STRING_HISTORYKEYSHORTNAME),
	mSettingsMIDIOutput(STRING_SETTINGSMIDIOUTPUT),
	mRegKeyHistory(RegKey::CurrentUser)
{
  *this=someRegistry;
}

Registry::~Registry()
{
}

Registry &Registry::operator=(const Registry &/*registry*/)
{
  return *this;
}

void Registry::getCacheNames(void)
{
  int itemIndex(0);
	String entryName;
	DWORD status;

	mCachedNames.remove();
	while(mRegKeyHistory.enumValue(itemIndex++,entryName,status))mCachedNames.insert(&entryName);
}

void Registry::guarantee(void)
{
	if(!mRegKeyHistory.openKey(mHistoryKeyName))
	{
	  mRegKeyHistory.createKey(mHistoryKeyName,"");
	  mRegKeyHistory.openKey(mHistoryKeyName);
  }
	if(!mRegKeySettings.openKey(mSettingsKeyName))
	{
	  mRegKeySettings.createKey(mSettingsKeyName,"");
		mRegKeySettings.openKey(mSettingsKeyName);
		setShowAction(GlobalDefs::ShowAction);
		setShowNotes(GlobalDefs::ShowNotes);
		setMicrosecondsPerQuarterNote(GlobalDefs::MicrosecondsPerQuarterNote);
		setInstrument(Instrument(GlobalDefs::Program));
		setMIDIOutputDevice("MIDIMAPPER");
	}
}

bool Registry::isOkay(void)const
{
  return mRegKeyHistory.isOkay();
}

bool Registry::getHistory(Block<String> &nameList)
{
	nameList=mCachedNames;
	return nameList.size()?TRUE:FALSE;
}

bool Registry::setHistory(Block<String> &nameList)
{
  removeHistory();
	for(int itemIndex=0;itemIndex<nameList.size();itemIndex++)mRegKeyHistory.setValue(nameList[itemIndex],0);
  return nameList.size()?true:false;
}

bool Registry::removeHistory(void)
{
  int itemIndex(0);
	Block<String> values;
	String entryName;
	DWORD status;

	while(mRegKeyHistory.enumValue(itemIndex++,entryName,status))values.insert(&entryName);
	for(int index=0;index<values.size();index++)mRegKeyHistory.deleteValue(values[index]);
	return true;
}

bool Registry::insertHistory(const String &strName)
{
  for(int itemIndex=0;itemIndex<mCachedNames.size();itemIndex++)if(mCachedNames[itemIndex]==strName)return FALSE;
	mCachedNames.insert(&strName);
	if(mCachedNames.size()>MaxCachedNames)
	{
	  Block<String> mruCachedNames;
		for(int itemIndex=0;itemIndex<MaxCachedNames;itemIndex++)mruCachedNames.insert(&String());
	  for(itemIndex=0;itemIndex<MaxCachedNames;itemIndex++)mruCachedNames[mruCachedNames.size()-itemIndex-1]=mCachedNames[mCachedNames.size()-itemIndex-1];
		mCachedNames=mruCachedNames;
		setHistory(mCachedNames);
	}
	else mRegKeyHistory.setValue(strName,0);
	return TRUE;
}

bool Registry::removeHistory(const String &strName)
{
  bool found=false;
  for(int itemIndex=0;itemIndex<mCachedNames.size();itemIndex++)
	{
	  if(mCachedNames[itemIndex]==strName)
		{
		  found=true;
		  mCachedNames.remove(itemIndex);
			itemIndex=-1;

		}
	}
	if(!found)return false;
	setHistory(mCachedNames);
	return true;
}

bool Registry::getShowAction(void)const
{
  DWORD action;
  mRegKeySettings.queryValue(mSettingsAction,action);
	return (bool)action;
}

void Registry::setShowAction(bool showAction)
{
  mRegKeySettings.setValue(mSettingsAction,(DWORD)showAction);
}

bool Registry::getShowNotes(void)
{
  DWORD showNoteLetters;
	mRegKeySettings.queryValue(mSettingsNoteLetters,showNoteLetters);
	return (bool)showNoteLetters;
}

void Registry::setShowNotes(bool showNoteLetters)
{
  mRegKeySettings.setValue(mSettingsNoteLetters,(DWORD)showNoteLetters);
}

String Registry::getMIDIOutputDevice(void)const
{
  String midiOutputDevice;
	mRegKeySettings.queryValue(mSettingsMIDIOutput,midiOutputDevice);
	return midiOutputDevice;
}

void Registry::setMIDIOutputDevice(const String &midiOutputDevice)
{
  mRegKeySettings.setValue(mSettingsMIDIOutput,midiOutputDevice);
}

int Registry::getMicrosecondsPerQuarterNote(void)const
{
  DWORD microsecondsPerQuarterNote;
	mRegKeySettings.queryValue(mSettingsMicrosecondsPerQuarterNote,microsecondsPerQuarterNote);
	return microsecondsPerQuarterNote;
}

void Registry::setMicrosecondsPerQuarterNote(int microsecondsPerQuarterNote)
{
	mRegKeySettings.setValue(mSettingsMicrosecondsPerQuarterNote,microsecondsPerQuarterNote);
}

Instrument Registry::getInstrument(void)const
{
  DWORD instrument;
	mRegKeySettings.queryValue(mSettingsInstrument,instrument);
	return (Instrument)instrument;
}

void Registry::setInstrument(Instrument instrument)
{
	mRegKeySettings.setValue(mSettingsInstrument,instrument);
}