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

import com.onaro.commons.util.OnaroArrays;
import com.onaro.sanscreen.types.ChangeType;
import static com.onaro.sanscreen.types.ChangeType.*;

import java.util.Set;

/**
 * A filter for device configuration changes.
 */
public class TypeFilterDeviceConfiguration implements TypeFilter {

    /**
     * The set of types that defines up/down changes.
     */
    public final static Set<ChangeType> ACCEPTED_CHANGE_TYPES = OnaroArrays.asSet(
        DEVICE_UP,
        DEVICE_DOWN,
        DEVICE_CREATED,
        DEVICE_ATTRIBUTE_CHANGE,
        DEVICE_CONFIGURATION_CHANGE,
        APPLICATION_ADDED,
        APPLICATION_REMOVED,
        HOST_ADDED_TO_APPLICATION,
        HOST_REMOVED_FROM_APPLICATION,
        BUSINESS_ENTITY_ADDED,
        BUSINESS_ENTITY_REMOVED,
        TOO_MANY_CHANGES);
    //TODO: look into adding other *_APPLICATION types

    /**
     * Tests if a change-group is for a device configuration change.
     * @param changeGroup the change-group
     * @return true if this change is a device configuration
     */
    public boolean shouldBeDisplayed(ChangeGroup changeGroup) {
        return ACCEPTED_CHANGE_TYPES.contains(changeGroup.getType());
    }
}