#include "widget.h"
#include "main.h"
#include "x.h"

#include <QApplication>
#include <QLibraryInfo>
#include <QTranslator>
#include <QCommandLineParser>

namespace {
bool _testMode, _autoSetup, _showGui, _backgroundMode;
}

namespace CommandLine
{
bool testMode() { return _testMode; }
bool autoSetup() { return _autoSetup; }
bool showGui() { return _showGui; }
bool backgroundMode() { return _backgroundMode; }
}

static void parseCommandLine(const QApplication &a);

int main(int argc, char *argv[])
{
	QApplication a(argc, argv);
	QCoreApplication::setApplicationName("BeamerGUI XP - Home Edition");
	QCoreApplication::setApplicationVersion("2.0");
	// System strings
	QTranslator *qtTranslator = new QTranslator(&a);
	qtTranslator->load(QLocale::system(), "qt", "_", QLibraryInfo::location(QLibraryInfo::TranslationsPath));
	a.installTranslator(qtTranslator);
	// App specific
	QTranslator *translator = new QTranslator(&a);
	translator->load(QLocale::system(), ":");
	a.installTranslator(translator);

	parseCommandLine(a);

	ScreenMode currentMode;
	if (CommandLine::autoSetup()) {
		currentMode = ScreenSetup::inst()->setDefaultMode(CommandLine::testMode());
	} else {
		currentMode = ScreenSetup::inst()->getCurrentMode();
	}

	bool showNow = (CommandLine::showGui() && currentMode != ScreenMode::Single);

	Widget *w = nullptr;
	if (CommandLine::backgroundMode() || showNow) {
		w = new Widget();
		if (showNow) {
			w->show();
		}
	}
	if (w == nullptr)
		return 0;
	return a.exec();
}

static void parseCommandLine(const QApplication &a)
{
	// Command line
	QCommandLineParser parser;
	parser.setApplicationDescription("Utility for detecting and configuring screen setup");
	parser.addHelpOption();
	parser.addVersionOption();
	// Option for adding modes and trying to auto-setup
	QCommandLineOption oAutoSetup(QStringList() << "a" << "auto",
								  QCoreApplication::translate("main", "Automatically configure modes and set up screens."));
	parser.addOption(oAutoSetup);
	// Show config GUI if more than one screen
	QCommandLineOption oShowGui(QStringList() << "g" << "gui",
								QCoreApplication::translate("main", "Show config GUI if more than one screen is connected."));
	parser.addOption(oShowGui);
	// Keep running and detect screen setup changes
	QCommandLineOption oBackground(QStringList() << "b" << "background",
								   QCoreApplication::translate("main", "Keep running in background and show GUI again when number of screens changes."));
	parser.addOption(oBackground);
	// Test mode -- pretend to do setup
	QCommandLineOption oTest(QStringList() << "t" << "test",
							 QCoreApplication::translate("main", "Test mode, don't actually apply any changes."));
	parser.addOption(oTest);
	// PARSE
	parser.process(a);
	_testMode = parser.isSet(oTest);
	_autoSetup = parser.isSet(oAutoSetup);
	_showGui = parser.isSet(oShowGui);
	_backgroundMode = parser.isSet(oBackground);
}