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// Portions Copyright [2016-2021] [Payara Foundation and/or its affiliates]
package org.glassfish.ejb.security.factory;

import static java.util.logging.Level.FINE;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Logger;

import jakarta.inject.Inject;
import jakarta.inject.Singleton;

import org.glassfish.api.invocation.InvocationManager;
import org.glassfish.ejb.deployment.descriptor.EjbDescriptor;
import org.glassfish.ejb.security.application.EJBSecurityManager;
import org.glassfish.ejb.security.application.EjbSecurityProbeProvider;
import org.jvnet.hk2.annotations.Service;

import com.sun.enterprise.security.ee.audit.AppServerAuditManager;
import com.sun.enterprise.security.factory.SecurityManagerFactory;
import com.sun.logging.LogDomains;

/**
 * EJB Security Manager Factory Implementation
 *
 * @author Harpreet Singh
 */
@Service
@Singleton
public final class EJBSecurityManagerFactory extends SecurityManagerFactory {

    private static Logger _logger = LogDomains.getLogger(EJBSecurityManagerFactory.class, LogDomains.SECURITY_LOGGER, false);

    @Inject
    private InvocationManager invocationManager;

    @Inject
    private AppServerAuditManager auditManager;

    private EjbSecurityProbeProvider probeProvider = new EjbSecurityProbeProvider();

    // stores the context ids to appnames for apps
    private Map> CONTEXT_IDS = new HashMap<>();
    private Map> SECURITY_MANAGERS = new HashMap<>();
    
    public EJBSecurityManager createManager(EjbDescriptor ejbDescriptor, boolean register) {
        String contextId = EJBSecurityManager.getContextID(ejbDescriptor);
        String ejbName = ejbDescriptor.getName();
        EJBSecurityManager manager = null;
        
        if (register) {
            manager = getManager(contextId, ejbName, false);
        }
        
        if (manager == null || !register) {
            try {
                probeProvider.securityManagerCreationStartedEvent(ejbName);
                manager = new EJBSecurityManager(ejbDescriptor, invocationManager, this);
                probeProvider.securityManagerCreationEndedEvent(ejbName);
                
                if (register) {
                    String appName = ejbDescriptor.getApplication().getRegistrationName();
                    addManagerToApp(contextId, ejbName, appName, manager);
                    probeProvider.securityManagerCreationEvent(ejbName);
                }
            } catch (Exception ex) {
                _logger.log(FINE, "[EJB-Security] FATAL Exception. Unable to create EJBSecurityManager: " + ex.getMessage());
                throw new RuntimeException(ex);
            }
        }
        
        return manager;
    }

    public  EJBSecurityManager getManager(String ctxId, String name, boolean remove) {
        return getManager(SECURITY_MANAGERS, ctxId, name, remove);
    }

    public  List getManagers(String ctxId, boolean remove) {
        return getManagers(SECURITY_MANAGERS, ctxId, remove);
    }

    public  List getManagersForApp(String appName, boolean remove) {
        return getManagersForApp(SECURITY_MANAGERS, CONTEXT_IDS, appName, remove);
    }

    public  String[] getContextsForApp(String appName, boolean remove) {
        return getContextsForApp(CONTEXT_IDS, appName, remove);
    }

    public  void addManagerToApp(String ctxId, String name, String appName, EJBSecurityManager manager) {
        addManagerToApp(SECURITY_MANAGERS, CONTEXT_IDS, ctxId, name, appName, manager);
    }

    public final AppServerAuditManager getAuditManager() {
        return auditManager;
    }
}