/*
 * Copyright 2015-Present Entando Inc. (http://www.entando.com) All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */
package org.entando.entando.apsadmin.tags;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;

import org.apache.commons.beanutils.BeanComparator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.agiletec.aps.system.common.entity.IEntityManager;
import com.agiletec.aps.system.common.entity.model.IApsEntity;
import com.agiletec.aps.system.exception.ApsSystemException;
import com.agiletec.aps.util.ApsWebApplicationUtils;
import com.agiletec.apsadmin.tags.AbstractObjectInfoTag;

/**
 * Returns the list of entity types through the code and the entity service name.
 * @author E.Santoboni
 */
public class EntityTypesInfoTag extends AbstractObjectInfoTag {

	private static final Logger _logger =  LoggerFactory.getLogger(EntityTypesInfoTag.class);
	
	@Override
	protected Object getMasterObject(String keyValue) throws Throwable {
		String managerNameValue = (String) super.findValue(keyValue, String.class);
		try {
			IEntityManager entityManager = (IEntityManager) ApsWebApplicationUtils.getBean(managerNameValue, this.pageContext);
			if (null != entityManager) {
				List<IApsEntity> entityTypes = new ArrayList<IApsEntity>();
				Map<String, IApsEntity> typeMap = entityManager.getEntityPrototypes();
				if (null != typeMap) {
					BeanComparator c = new BeanComparator(this.getOrderBy());
					entityTypes.addAll(typeMap.values());
					Collections.sort(entityTypes, c);
				}
				return entityTypes;
			} else {
				_logger.debug("Null entity manager : service name '{}'", managerNameValue);
			}
		} catch (Throwable t) {
			String message = "Error extracting entity types : entity manager '" + managerNameValue + "'";
			
			_logger.error("Error extracting entity types : entity manager '{}'", managerNameValue, t);
			//ApsSystemUtils.logThrowable(t, this, "getMasterObject", message);
			throw new ApsSystemException(message, t);
		}
		return null;
	}
	
	protected String getEntityManagerName() {
		return super.getKey();
	}
	public void setEntityManagerName(String entityManagerName) {
		super.setKey(entityManagerName);
	}
	
	public String getOrderBy() {
		return _orderBy;
	}
	public void setOrderBy(String orderBy) {
		this._orderBy = orderBy;
	}
	
	private String _orderBy = "typeDescr";
	
}