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package org.imixs.workflow.documents;

import java.util.logging.Logger;

import javax.ejb.EJB;
import javax.inject.Inject;

import org.eclipse.microprofile.config.inject.ConfigProperty;
import org.imixs.workflow.ItemCollection;
import org.imixs.workflow.WorkflowContext;
import org.imixs.workflow.engine.plugins.AbstractPlugin;
import org.imixs.workflow.exceptions.PluginException;

/**
 * The TikaPlugin extracts the textual information from document attachments.
 * The plug-in sends each new attached document to an instance of an Apache Tika
 * Server to get the file content.
 * 
 * 
 * @see TikaDocumentService
 * @version 1.0
 * @author rsoika
 */
public class TikaPlugin extends AbstractPlugin {

	public static final String PLUGIN_ERROR = "PLUGIN_ERROR";
	private static Logger logger = Logger.getLogger(TikaPlugin.class.getName());

	
	@EJB
	TikaDocumentService tikaDocumentService;
	
	@Inject
	@ConfigProperty(name = TikaDocumentService.ENV_TIKA_SERVICE_MODE, defaultValue = "auto")
	String serviceMode;


	@Override
	public void init(WorkflowContext actx) throws PluginException {
		super.init(actx);
		logger.finest("...... service mode = " + serviceMode);
	}

	/**
	 * This method sends the document content to the tika server and updates teh DMS
	 * information.
	 * 
	 * @throws PluginException
	 */
	@Override
	public ItemCollection run(ItemCollection document, ItemCollection event) throws PluginException {
		if (!"auto".equalsIgnoreCase(serviceMode)) {
			// update the dms meta data
			tikaDocumentService.extractText(document);
		}
		return document;
	}
}