package com.onaro.sanscreen.client.view.changes.format;

import java.util.ResourceBundle;

import org.apache.commons.lang3.StringUtils;

import com.onaro.sanscreen.server.changes.Change;
import com.onaro.sanscreen.server.changes.ChangeConstants;
import com.onaro.util.IllegalInitException;

public class SummaryVolumeFormatter extends BaseFormatter {
    public SummaryVolumeFormatter(String key, ResourceBundle bundle) throws IllegalInitException {
        super(key, bundle);
    }

    protected String getResourceKey(Change change) throws IllegalInitException {
        String normalKey = super.getResourceKey(change);
        String volumeName = getValue(ChangeConstants.VOLUME_LIST, change, true);
        return normalKey + (volumeName != null ? StringUtils.EMPTY : ".allVolumes"); //$NON-NLS-1$
    }

    protected String getValue(String attributeName, Change change, boolean allowNull, ChangeFormatPattern pattern) throws IllegalInitException {
        /**
         * The number of volumes grouped together was previously recorded in an attribute called NEW_VALUE.
         * In some change type the attribute NEW_VALUE was already in use. Thus the attribute representing the
         * volume count was changed to be VOLUME_COUNT. The following code is for old recorded changes.
         * In the future should move this tretment to the upgarde. 
         */
        if (ChangeConstants.VOLUME_COUNT.equals(attributeName)) {
            String volumeCount = change.getValue(ChangeConstants.VOLUME_COUNT);
            if (volumeCount==null)
                return change.getValue(ChangeConstants.NEW_VALUE);
            return volumeCount;
        }
        return super.getValue(attributeName, change, allowNull, pattern);
    }
}