/**
 * Licensed 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.
 *
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 */
package org.thingml.externalthingplugins.c.posix.dnssd.strategies;

import org.sintef.thingml.State;
import org.sintef.thingml.StateMachine;
import org.sintef.thingml.Thing;
import org.sintef.thingml.constraints.ThingMLHelpers;
import org.sintef.thingml.helpers.CompositeStateHelper;
import org.thingml.compilers.c.CCompilerContext;
import org.thingml.compilers.interfaces.c.ICThingApiStateIDStrategy;
import org.thingml.externalthingplugins.c.posix.PosixDNSSDExternalThingPlugin;
import org.thingml.externalthingplugins.c.posix.dnssd.utils.DNSSDUtils;

import java.util.List;

/**
 * Created by vassik on 15.11.16.
 */
public class PosixThingApiStateIDStrategy implements ICThingApiStateIDStrategy {

    private PosixDNSSDExternalThingPlugin plugin;

    public PosixThingApiStateIDStrategy(PosixDNSSDExternalThingPlugin _plugin) {
        plugin = _plugin;
    }

    @Override
    public void generateStateIDs(Thing thing, StringBuilder builder, CCompilerContext ctx) {
        builder.append("//Definition of the DNSSD terminate state. Generated by: " + this.getClass().getSimpleName() + "\n");
        if (ThingMLHelpers.allStateMachines(thing).size() > 0) {// There should be only one if there is one
            StateMachine sm = ThingMLHelpers.allStateMachines(thing).get(0);

            List<State> states = CompositeStateHelper.allContainedStatesIncludingSessions(sm);
            builder.append("#define " + getTerminateStateName(thing) + " " + states.size() + "\n");
            builder.append("\n");
        }
    }

    private String getTerminateStateName(Thing thing) {
        return DNSSDUtils.getTerminateStateName(thing);
    }
}