#include "cLayout.hpp"

using GUIEngine::cLayout;

/*static*/ const cString cLayout::sNAME = "layout";
/*static*/ const GUIHelpers::eOrientation cLayout::sORIENTATION = GUIHelpers::eOrientation::VERTICAL;

cLayout::cLayout(cWindow* parent, const signed int id, const GUIHelpers::eOrientation& orientation /*= sORIENTATION*/, const GUIHelpers::eAlign& align /*= sALIGN*/, 
	const GUIHelpers::eLayout& layout /*= sLAYOUT*/, const GUIHelpers::Position& pos /*= sPOSITION*/, const GUIHelpers::Size& size /*= sSIZE*/, 
	const GUIHelpers::Padding& padding /*= sPADDING*/, const cString& name /*= sNAME*/)
	: cWindow(parent, id, align, layout, pos, size, padding, name)
{
	//Create(parent, id, orientation, align, layout, pos, size, padding, name);
	if (this->getParent() != nullptr) {
		this->getParent()->AddChild(this);
	}
	setOrientation(orientation);
}

/*virtual*/ cLayout::~cLayout()
{}

///Functions
void cLayout::Create(cWindow* parent, const signed int id, const GUIHelpers::eOrientation& orientation /*= sORIENTATION*/, const GUIHelpers::eAlign& align /*= sALIGN*/, 
	const GUIHelpers::eLayout& layout /*= sLAYOUT*/, const GUIHelpers::Position& pos /*= sPOSITION*/, const GUIHelpers::Size& size /*= sSIZE*/, 
	const GUIHelpers::Padding& padding/* = sPADDING*/, const cString& name /*= sNAME*/)
{
	//cWindow(parent, id, align, layout, pos, size, padding, name);
	this->getParent()->AddChild(this);
	setOrientation(orientation);
}

/*virtual*/ void cLayout::Display()
{
	cWindow::Display();
}

///Set
void cLayout::setOrientation(const GUIHelpers::eOrientation& orientation /*= GUIHelpers::eOrientation::VERTICAL*/)
{
	m_orientation = orientation;
}

///Get
const GUIHelpers::eOrientation& cLayout::getOrientation() const
{
	return m_orientation;
}

/*virtual*/ const GUIHelpers::eType cLayout::getType() const
{
	return GUIHelpers::eType::CLAYOUT;
}

/*virtual*/ void cLayout::Resize()
{
	RebuildLayout(this->getLayout());
}

/*virtual*/ void cLayout::RebuildLayout(const GUIHelpers::eLayout& layout)
{
	GUIHelpers::Size mySize = (0, 0);
	switch (layout)
	{
	case GUIHelpers::eLayout::MATCH_PARENT:
	case GUIHelpers::eLayout::FILL_PARENT:
		cWindow::RebuildLayout(layout);
		break;
	case GUIHelpers::eLayout::WRAP_CONTENT:
		std::vector<cWindow*> children = this->getChildren();
		std::vector<cWindow*>::iterator it;

		for (it = children.begin(); it < children.end(); it++) {
			(*it)->Resize();
			GUIHelpers::Size size = (*it)->getSize();
			GUIHelpers::Padding pad = (*it)->getPadding();
			size.x += pad.x + pad.w;
			size.y += pad.y + pad.z;
			AddSize(size.x, size.y, mySize);
		}
		this->setSize(mySize);
		break;
	}
}

// /*virtual*/ void cLayout::RebuildPos()
// {
// 	cWindow::RebuildPos();
// }

///Private
/*virtual*/ void cLayout::AddSize(int x, int y, GUIHelpers::Size& mySize) const
{
	int& addFrom = x;
	int& largestFrom = y;

	int& addTo = mySize.x;
	int& largestTo = mySize.y;

	if (m_orientation == GUIHelpers::eOrientation::HORIZONTAL) {
		addFrom = y;
		largestFrom = x;

		addTo = mySize.y;
		largestTo = mySize.x;
	}

	/*We do the real work here.*/
	if (largestTo > largestFrom)
		largestTo = largestFrom;

	addTo += addFrom;
}