/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.apache.tuscany.sca.implementation.guardian.provider;

import org.apache.tuscany.sca.implementation.guardian.impl.*;
import java.util.List;
import org.apache.tuscany.sca.implementation.guardian.GuardianMember;
import org.apache.tuscany.sca.implementation.guardian.common.Context;
import org.apache.tuscany.sca.implementation.guardian.common.GlobalExceptionInterface;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;

public class GuardianGroupInvoker implements Invoker {

    protected final GuardianGroupImpl guardian;

    public GuardianGroupInvoker(GuardianGroupImpl guardian) {
        this.guardian = guardian;
    }

    public Message invoke(Message arg0) {
        throw new UnsupportedOperationException("Not supported yet. 1");
    }

    //AddGuardianMember operation invoker
    public static class AddGuardianMemberInvoker extends GuardianGroupInvoker {

        public AddGuardianMemberInvoker(GuardianGroupImpl guardian) {
            super(guardian);
        }

        @Override
        public Message invoke(Message msg) {

            GuardianMember guardianMember = (GuardianMember) ((Object[]) msg.getBody())[0];
            this.guardian.addGuardianMember(guardianMember);

            return msg;
        }
    }

    //RemoveGuardianMember operation invoker
    public static class RemoveGuardianMemberInvoker extends GuardianGroupInvoker {

        public RemoveGuardianMemberInvoker(GuardianGroupImpl guardian) {
            super(guardian);
        }

        @Override
        public Message invoke(Message msg) {

            GuardianMember guardianMember = (GuardianMember) ((Object[]) msg.getBody())[0];
            boolean returnedValue = this.guardian.removeGuardianMember(guardianMember);

            msg.setBody(returnedValue);
            return msg;
        }
    }

    //EnableContext operation invoker
    public static class EnableContextInvoker extends GuardianGroupInvoker {

        public EnableContextInvoker(GuardianGroupImpl guardian) {
            super(guardian);
        }

        @Override
        public Message invoke(Message msg) {

            Context context = (Context) ((Object[]) msg.getBody())[0];

            this.guardian.enableContext(context);

            return msg;
        }
    }

    //RemoveContext operation invoker
    public static class RemoveContextInvoker extends GuardianGroupInvoker {

        public RemoveContextInvoker(GuardianGroupImpl guardian) {
            super(guardian);
        }

        @Override
        public Message invoke(Message msg) {

            this.guardian.removeContext();

            return msg;
        }
    }

    //Gthrow operation invoker
    public static class GthrowInvoker extends GuardianGroupInvoker {

        public GthrowInvoker(GuardianGroupImpl guardian) {
            super(guardian);
        }

        @Override
        public Message invoke(Message msg) {

            GlobalExceptionInterface ex = (GlobalExceptionInterface) ((Object[]) msg.getBody())[0];
            List<String> participantList = (List<String>) ((Object[]) msg.getBody())[1];

            this.guardian.gthrow(ex, participantList);

            return msg;
        }
    }

    //Propagate operation invoker
    public static class PropagateInvoker extends GuardianGroupInvoker {

        public PropagateInvoker(GuardianGroupImpl guardian) {
            super(guardian);
        }

        @Override
        public Message invoke(Message msg) {
            
            GlobalExceptionInterface ex = (GlobalExceptionInterface) ((Object[]) msg.getBody())[0];

            boolean needPropagation = this.guardian.propagate(ex);
            msg.setBody(needPropagation);

            return msg;
        }
    }

    //CheckExceptionStatus operation invoker
    public static class CheckExceptionStatusInvoker extends GuardianGroupInvoker {

        public CheckExceptionStatusInvoker(GuardianGroupImpl guardian) {
            super(guardian);
        }

        @Override
        public Message invoke(Message msg) {

            this.guardian.checkExceptionStatus();

            return msg;
        }
    }
}