#include "yamltexbindings.h"

namespace genesis
{
    /* TODO: Migrate to Godot
     * 
	static const std::string 
		gsKeyNamesPlural("names"),
		gsKeyName("name"),
		gsKeyTexture("texture");

	YAMLTexBindingsReader::YAMLTexBindingsReader(std::istream & input)
	: _pParser(new YAML::Parser(input)) {}

	YAMLTexBindingsReader::~YAMLTexBindingsReader()
	{
		delete _pParser;
	}

	bool YAMLTexBindingsReader::load( ITextureBinder * pMatBind )
	{
		while (*_pParser)
		{
			YAML::Node ndDoc;
			ITextureBinder::Category enmbcCategory;

			_pParser->GetNextDocument(ndDoc);

			if (ndDoc.GetTag() == "!minclass")			
				enmbcCategory = ITextureBinder::MineralClasses;
			else if (ndDoc.GetTag() == "!mineral")
				enmbcCategory = ITextureBinder::Minerals;
			else
				throw YAML::RepresentationException(ndDoc.GetMark(), "Invalid tag type: " + ndDoc.GetTag());

			if (ndDoc.GetType() != YAML::CT_MAP)
				throw YAML::RepresentationException(ndDoc.GetMark(), "Expected map");

			for (YAML::Iterator i = ndDoc.begin(); i != ndDoc.end(); ++i)
				if (i.first() == "group")
					pMatBind->setGroup(enmbcCategory, i.second());
				else if (i.first() == "default")
					pMatBind->setDefaultTexture(enmbcCategory, i.second());
				else if (i.first() == "bindings")
					for (YAML::Iterator j = i.second().begin(); j != i.second().end(); ++j)
						readBinding(enmbcCategory, pMatBind, &*j);
				else
					throw YAML::RepresentationException(ndDoc.GetMark(), "Unrecognized key");
		}

		return true;
	}

	void YAMLTexBindingsReader::readBinding( const ITextureBinder::Category enmbcCategory, ITextureBinder * pMatBind, const YAML::Node * pNode)
	{
		size_t c = 0;
		for (YAML::Iterator i = pNode->begin(); i != pNode->end(); ++i, ++c)
		{
			if (c > 2)
				throw YAML::RepresentationException(pNode->GetMark(), "Too many declarations");

			if (i.first() == gsKeyNamesPlural)
			{
				std::string sMaterial = (*pNode)[gsKeyTexture];
				for (YAML::Iterator j = i.second().begin(); j != i.second().end(); ++j)
					pMatBind->bind(enmbcCategory, *j, sMaterial);
				break;
			} else if (i.first() == gsKeyName)
				pMatBind->bind(enmbcCategory, i.second(), (*pNode)[gsKeyTexture]);
			else if (i.first() == gsKeyTexture)
				pMatBind->bind(enmbcCategory, (*pNode)[gsKeyName], i.second());
			else
				throw YAML::RepresentationException(pNode->GetMark(), "Unrecognized binding declaration");
		}
	}

	*/
}