/*
 * 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 com.agiletec.apsadmin.tags;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.agiletec.aps.system.common.entity.IEntityManager;
import com.agiletec.aps.system.exception.ApsSystemException;
import com.agiletec.aps.util.ApsWebApplicationUtils;

/**
 * Returns a entity (or one of its property) through the code and the entity service name.
 * You can choose whether to return the entire object (leaving the attribute "property" empty) or a single property.
 * The names of the available property of "Entity": "id", "typeCode", "typeDescr", 
 * "attributeMap" (map of attributes indexed by the name), "attributeList" (list of attributes), all other propety of custom entity type.
 * @author E.Santoboni
 */
public class EntityInfoTag extends AbstractObjectInfoTag {

	private static final Logger _logger = LoggerFactory.getLogger(EntityInfoTag.class);
	
	@Override
	protected Object getMasterObject(String keyValue) throws Throwable {
		String managerNameValue = (String) super.findValue(this.getEntityManagerName(), String.class);
		try {
			IEntityManager entityManager = (IEntityManager) ApsWebApplicationUtils.getBean(managerNameValue, this.pageContext);
			if (null != entityManager) {
				return entityManager.getEntity(keyValue);
			}
		} catch (Throwable t) {
			String message = "Error extracting entity : key '" 	+ keyValue + "' - entity manager '" + managerNameValue + "'";
			_logger.error("Error extracting entity : key '{}' - entity manager '{}'", keyValue, managerNameValue, t);
			//ApsSystemUtils.logThrowable(t, this, "getMasterObject", message);
			throw new ApsSystemException(message, t);
		}
		_logger.debug("Null entity manager : service name '{}'", managerNameValue);
		return null;
	}
	
	protected String getEntityManagerName() {
		return _entityManagerName;
	}
	public void setEntityManagerName(String entityManagerName) {
		this._entityManagerName = entityManagerName;
	}
	
	private String _entityManagerName;
	
}