#ifndef WIFIMODELFACTORYIMPL_H
#define WIFIMODELFACTORYIMPL_H

#include "WiFiModelFactory.h"
#include "WiFiModelLogDist.h"
#include "WiFiModelLogDistCeiling.h"
#include "WiFiModelPerFloor.h"
#include "WiFiModelPerBBox.h"

WiFiModel* WiFiModelFactory::loadXML(const std::string& file) {

	XMLDoc doc;
	XMLserialize::assertOK(doc.LoadFile(file.c_str()), doc, "error while loading file");
	XMLElem* root = doc.FirstChildElement("root");

	return readFromXML(&doc, root);

}

WiFiModel* WiFiModelFactory::readFromXML(XMLDoc* doc, XMLElem* src) {

	// each model attaches its "type" during serialization
	const std::string type = src->Attribute("type");

	WiFiModel* mdl = nullptr;

	// create an instance for the model
	if		(type == "WiFiModelLogDist")		{mdl = new WiFiModelLogDist();}
	else if	(type == "WiFiModelLogDistCeiling")	{mdl = new WiFiModelLogDistCeiling(map);}
	else if	(type == "WiFiModelPerFloor")		{mdl = new WiFiModelPerFloor(map);}
	else if	(type == "WiFiModelPerBBox")		{mdl = new WiFiModelPerBBox(map);}
	else										{throw Exception("invalid model type given: " + type);}

	// load the model from XML
	mdl->readFromXML(doc, src);

	// done
	return  mdl;

}

#endif // WIFIMODELFACTORYIMPL_H