/*
 * Copyright 2010-2013 Ning, Inc.
 *
 * Ning licenses this file to you under the Apache License, version 2.0
 * (the "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at:
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package org.killbill.billing.entitlement.block;

import java.util.List;
import java.util.UUID;

import org.killbill.billing.callcontext.InternalTenantContext;
import org.killbill.billing.entitlement.api.Blockable;
import org.killbill.billing.entitlement.api.BlockingApiException;
import org.killbill.billing.entitlement.api.BlockingState;
import org.killbill.billing.entitlement.api.BlockingStateType;

public interface BlockingChecker {

    public static final Object TYPE_SUBSCRIPTION = "Subscription";
    public static final Object TYPE_BUNDLE = "Bundle";
    public static final Object TYPE_ACCOUNT = "Account";

    public static final Object ACTION_CHANGE = "Change";
    public static final Object ACTION_ENTITLEMENT = "Entitlement";
    public static final Object ACTION_BILLING = "Billing";

    public interface BlockingAggregator {

        public boolean isBlockChange();

        public boolean isBlockEntitlement();

        public boolean isBlockBilling();
    }

    public BlockingAggregator getBlockedStatus(List<BlockingState> currentAccountEntitlementStatePerService, List<BlockingState> currentBundleEntitlementStatePerService,
                                               List<BlockingState> currentSubscriptionEntitlementStatePerService, InternalTenantContext internalTenantContext);

    public BlockingAggregator getBlockedStatus(final UUID blockableId, final BlockingStateType type, final InternalTenantContext context) throws BlockingApiException;

    public void checkBlockedChange(Blockable blockable, InternalTenantContext context) throws BlockingApiException;

    public void checkBlockedEntitlement(Blockable blockable, InternalTenantContext context) throws BlockingApiException;

    public void checkBlockedBilling(Blockable blockable, InternalTenantContext context) throws BlockingApiException;
}
