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 * The contents of this file are subject to the terms of either the GNU
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
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// Portions Copyright [2020-2021] Payara Foundation and/or affiliates

package org.glassfish.ejb.deployment.annotation.handlers;

import java.lang.annotation.Annotation;
import java.lang.annotation.ElementType;
import java.lang.reflect.Method;
import java.util.logging.Level;
import jakarta.ejb.MessageDriven;
import jakarta.ejb.Schedule;
import jakarta.ejb.Singleton;
import jakarta.ejb.Stateless;

import com.sun.enterprise.deployment.MethodDescriptor;
import com.sun.enterprise.deployment.annotation.context.EjbContext;
import org.glassfish.apf.AnnotationHandlerFor;
import org.glassfish.apf.AnnotationInfo;
import org.glassfish.apf.AnnotationProcessorException;
import org.glassfish.apf.HandlerProcessingResult;
import org.glassfish.ejb.deployment.descriptor.EjbDescriptor;
import org.glassfish.ejb.deployment.descriptor.ScheduledTimerDescriptor;
import org.jvnet.hk2.annotations.Service;

/**
 * This handler is responsible for handling the jakarta.ejb.Schedule
 * annotation on methods of a Bean class. 
 *
 * @author Marina Vatkina
 */
@Service
@AnnotationHandlerFor(Schedule.class)
public class ScheduleHandler extends AbstractAttributeHandler {

    public ScheduleHandler() {
    }

    @Override
    protected HandlerProcessingResult processAnnotation(AnnotationInfo ainfo,
            EjbContext[] ejbContexts) throws AnnotationProcessorException {

        return processSchedule((Schedule)ainfo.getAnnotation(), ainfo, ejbContexts);
    }
        
    protected HandlerProcessingResult processSchedule(Schedule sch,
            AnnotationInfo ainfo, EjbContext[] ejbContexts) 
            throws AnnotationProcessorException {

        for (EjbContext ejbContext : ejbContexts) {
            EjbDescriptor ejbDesc = (EjbDescriptor) ejbContext.getDescriptor();

            if (ElementType.METHOD.equals(ainfo.getElementType())) {
                Method annMethod = (Method) ainfo.getAnnotatedElement();

                // .xml-defined timer method overrides @Schedule
                if( !ejbDesc.hasScheduledTimerMethodFromDD(annMethod)) {
                    ScheduledTimerDescriptor sd = new ScheduledTimerDescriptor();
                    sd.setSecond(sch.second());
                    sd.setMinute(sch.minute());
                    sd.setHour(sch.hour());
                    sd.setDayOfMonth(sch.dayOfMonth());
                    sd.setMonth(sch.month());
                    sd.setDayOfWeek(sch.dayOfWeek());
                    sd.setYear(sch.year());
                    sd.setTimezone(sch.timezone());
                    sd.setPersistent(sch.persistent());
                    sd.setInfo(sch.info());
                    sd.setTimeoutMethod(new MethodDescriptor(annMethod));

                    ejbDesc.addScheduledTimerDescriptor(sd);

                    if (logger.isLoggable(Level.FINE)) {
                        logger.log(Level.FINE, "@@@ Found Schedule on {0}", annMethod);
                        
                        logger.log(Level.FINE, "@@@ TimerConfig : {0} # {1}", 
                                new Object[]{(sd.getInfo() != null && !sd.getInfo().equals(""))? sd.getInfo() : null, sd.getPersistent()});
                    }
                }
            }
        }

        return getDefaultProcessedResult();
    }

    /**
     * @return an array of annotation types this annotation handler would 
     * require to be processed (if present) before it processes it's own 
     * annotation type.
     */
    @Override
    @SuppressWarnings("unchecked")
    public Class[] getTypeDependencies() {
        return new Class[] {Stateless.class, Singleton.class, MessageDriven.class};
                
    }

    @Override
    protected boolean supportTypeInheritance() {
        return true;
    }
}