#include "Screen.h"

#include <QtCore>
#include <QtGui>

Screen::Screen() :
	m_Pixmap(QPixmap(":res/icons/64x64/video-display.png")),
	m_Swapped(false)
{
	init();
}

Screen::Screen(const QString& name) :
	m_Pixmap(QPixmap(":res/icons/64x64/video-display.png")),
	m_Swapped(false)
{
	init();
	setName(name);
}

void Screen::init()
{
	name().clear();
	aliases().clear();
	modifiers().clear();
	switchCorners().clear();
	fixes().clear();
	setSwitchCornerSize(0);

	// m_Modifiers, m_SwitchCorners and m_Fixes are QLists we use like fixed-size arrays,
	// thus we need to make sure to fill them with the required number of elements.
	for (int i = 0; i < NumModifiers; i++)
		modifiers() << i;

	for (int i = 0; i < NumSwitchCorners; i++)
		switchCorners() << false;

	for (int i = 0; i < NumFixes; i++)
		fixes() << false;
}

void Screen::loadSettings(QSettings& settings)
{
	setName(settings.value("name").toString());

	if (name().isEmpty())
		return;

	setSwitchCornerSize(settings.value("switchCornerSize").toInt());

	readSettings(settings, aliases(), "alias", QString(""));
	readSettings(settings, modifiers(), "modifier", static_cast<int>(DefaultMod), NumModifiers);
	readSettings(settings, switchCorners(), "switchCorner", false, NumSwitchCorners);
	readSettings(settings, fixes(), "fix", false, NumFixes);
}

void Screen::saveSettings(QSettings& settings) const
{
	settings.setValue("name", name());

	if (name().isEmpty())
		return;

	settings.setValue("switchCornerSize", switchCornerSize());

	writeSettings(settings, aliases(), "alias");
	writeSettings(settings, modifiers(), "modifier");
	writeSettings(settings, switchCorners(), "switchCorner");
	writeSettings(settings, fixes(), "fix");
}

QTextStream& Screen::writeScreensSection(QTextStream& outStream) const
{
	outStream << "\t" << name() << ":" << endl;

	for (int i = 0; i < modifiers().size(); i++)
		if (modifier(i) != i)
			outStream << "\t\t" << modifierName(i) << " = " << modifierName(modifier(i)) << endl;

	for (int i = 0; i < fixes().size(); i++)
		outStream << "\t\t" << fixName(i) << " = " << (fixes()[i] ? "true" : "false") << endl;

	outStream << "\t\t" << "switchCorners = none ";
	for (int i = 0; i < switchCorners().size(); i++)
		if (switchCorners()[i])
			outStream << "+" << switchCornerName(i) << " ";
	outStream << endl;

	outStream << "\t\t" << "switchCornerSize = " << switchCornerSize() << endl;

	return outStream;
}

QTextStream& Screen::writeAliasesSection(QTextStream& outStream) const
{
	if (!aliases().isEmpty())
	{
		outStream << "\t" << name() << ":" << endl;

		foreach (const QString& alias, aliases())
			outStream << "\t\t" << alias << endl;
	}

	return outStream;
}

QDataStream& operator<<(QDataStream& outStream, const Screen& screen)
{
	return outStream
		<< screen.name()
		<< screen.switchCornerSize()
		<< screen.aliases()
		<< screen.modifiers()
		<< screen.switchCorners()
		<< screen.fixes()
		;
}

QDataStream& operator>>(QDataStream& inStream, Screen& screen)
{
	return inStream
		>> screen.m_Name
		>> screen.m_SwitchCornerSize
		>> screen.m_Aliases
		>> screen.m_Modifiers
		>> screen.m_SwitchCorners
		>> screen.m_Fixes
		;
}