#include "UnionValue.h"

#include "UnionType.h"
#include "Component.h"
#include "Constants.h"

namespace Databoard {
	namespace Value {
		UnionValue::UnionValue(Databoard::Type::DataType* dataBoard) : Value(dataBoard)
		{
			tag = -1;
			value = NULL;
		}

		UnionValue::~UnionValue()
		{
			if(value != NULL)
			{
				delete value;
				value = NULL;
			}
		}

		int UnionValue::getTag()
		{
			return tag;
		}

		Value* UnionValue::getValue()
		{
			return value;
		}

		void UnionValue::setValue(int tag, Value* value)
		{
			this->tag = tag;
			this->value = value;
		}

		std::string UnionValue::writeOut(int /*indent*/)
		{
			std::string s;

			Databoard::Type::UnionType* unionType = (Databoard::Type::UnionType*)dataBoard;

			Databoard::Type::Component* component = unionType->getComponent(tag);

			if(component != NULL)
			{
				s += component->getName();
				s += " ";
			}

			if(value != NULL)
			{
				s += value->writeOut();
			}

			//s += value;

			//if(unit.size() != 0)
			//{
			//	s += "(Unit=\"" + unit + "\")";
			//}

			return s;
		}

		bool UnionValue::equals(const Value* other)
		{
			UnionValue* o = (UnionValue*)other;

			if(tag != o->tag)
			{
				return (tag < o->tag);
			}

			return (value->equals(o->value));
		}

		std::string UnionValue::isValid()
		{
			if(dataBoard == NULL)
			{
				return "LongValue: There is no datatype.";
			}

			if(value == NULL)
			{
				return STR_ERROR;
			}

			return value->isValid();
		}
	}
}