package afryca.consensusmodel.command.parameter;

import static afryca.consensusmodel.Configuration.*;

import java.util.Map;

import afryca.consensusmodel.Configuration;
import afryca.parametervalueconverterhelper.ParameterValueConverterHelper;
import afryca.parametervalueconverterhelper.ParameterValueConverterHelperException;

/**
 * Configuration parameter value converter helper
 * 
 * @author Sinbad²
 * @version 3.0
 */
public class ConfigurationParameterValueConverterHelper extends ParameterValueConverterHelper {

	public static final String KEY_MARK = "configurationValueKey"; //$NON-NLS-1$
	public static final String VALUE_MARK = "configurationValueValue"; //$NON-NLS-1$

	@Override
	public Object convertToObject(String parameterValue) throws ParameterValueConverterHelperException {
		Configuration result = new Configuration();
		setElements(result, parameterValue);
		return result;
	}

	private void setElements(Configuration configuration, String parameterValue)
			throws ParameterValueConverterHelperException {
		Map<String, String> fields = extractFieldsValue(parameterValue,
				new String[] { FIELD_FILE, FIELD_CONSENSUS_MODEL, FIELD_VALUES });
		configuration.setFile(getString(fields, FIELD_FILE));
		configuration.setConsensusModel(getString(fields, FIELD_CONSENSUS_MODEL));
		configuration.setValues(getObjectMap(fields, FIELD_VALUES, singular(FIELD_VALUES), KEY_MARK, VALUE_MARK,
				ValueParameterValueConverterHelper.class, Object.class));
	}

	@Override
	public String convertToString(Object parameterValue) throws ParameterValueConverterHelperException {
		Configuration configuration = (Configuration) parameterValue;
		String file = marker(configuration.getFile(), FIELD_FILE);
		String consensusModel = marker(configuration.getConsensusModel(), FIELD_CONSENSUS_MODEL);
		String values = markMap(configuration.getValues(), FIELD_VALUES, singular(FIELD_VALUES), KEY_MARK, VALUE_MARK,
				ValueParameterValueConverterHelper.class);
		return marker(new String[] { file, consensusModel, values }, ID);

	}

}