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#include "LocalVariable.h"

using namespace std;

//****************************************************************************************//
//									LocalVariable Class									  //	
//****************************************************************************************//

LocalVariable::LocalVariable(string id, string name, int version, OvalEnum::Datatype datatype, StringVector* msgs) : AbsVariable (id, name, version, datatype, msgs) {

}

LocalVariable::~LocalVariable() {

}

// ***************************************************************************************	//
//								 Public members												//
// ***************************************************************************************	//
AbsComponent* LocalVariable::GetComponent() {
	return this->component;
}

void LocalVariable::SetComponent(AbsComponent* component) {
	this->component = component;
}

void LocalVariable::ComputeValue() {

    ComponentValue* value = this->GetComponent()->ComputeValue();

	// set the flag for this variable
	this->SetFlag(value->GetFlag());

	// set the error message for this variable
	this->AppendMessages(value->GetMessages());

	// if flag is complete or incomplete create VariableValues for each value.
	if(value->GetFlag() == OvalEnum::FLAG_COMPLETE || value->GetFlag() == OvalEnum::FLAG_INCOMPLETE) {
		StringVector::iterator iterator;
		for(iterator = value->GetValues()->begin(); iterator != value->GetValues()->end(); iterator++) {
			VariableValue* varValue = new VariableValue(this->GetId(), (*iterator));
			this->AppendVariableValue(varValue);
		}
	}

	delete value;
}

void LocalVariable::Parse(DOMElement* localVariableElm) {

	this->SetId(XmlCommon::GetAttributeByName(localVariableElm, "id"));
	this->SetDatatype(OvalEnum::ToDatatype(XmlCommon::GetAttributeByName(localVariableElm, "datatype")));
	string versionStr = XmlCommon::GetAttributeByName(localVariableElm, "version");
	int version;
	if(versionStr.compare("") != 0) {
		version = atoi(versionStr.c_str());
		this->SetVersion(version);
	}	
   
	// now loop through all elements children
	DOMNodeList *localVariableElmChildren = localVariableElm->getChildNodes();
	unsigned int index = 0;
	while(index < localVariableElmChildren->getLength()) {
		DOMNode *tmpNode = localVariableElmChildren->item(index);
		if (tmpNode->getNodeType() == DOMNode::ELEMENT_NODE) {
			DOMElement *childElm = (DOMElement*)tmpNode;

			// Call the ComponentFactory
			AbsComponent* absComponent = ComponentFactory::GetComponent(childElm);
			this->SetComponent(absComponent);
		}
		index ++;
	}

	// Finally call ComputeValue
	this->ComputeValue();
}

VariableValueVector* LocalVariable::GetVariableValues() {

	VariableValueVector* values = NULL;

	values = this->GetComponent()->GetVariableValues();

	return values;
}
