package eu.dnetlib.repo.manager.config;

import org.apache.commons.lang.ArrayUtils;
import org.apache.log4j.Logger;
import org.springframework.beans.BeansException;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.web.context.ContextLoaderListener;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.XmlWebApplicationContext;

import javax.servlet.ServletContext;
import java.util.Properties;

public class RepoManagerContextLoaderListener extends ContextLoaderListener {
	private static Logger logger = Logger.getLogger(RepoManagerContextLoaderListener.class);


	public RepoManagerContextLoaderListener() {
		super();
	}

	public RepoManagerContextLoaderListener(WebApplicationContext context) {
		super(context);
	}

	@Override
	protected WebApplicationContext createWebApplicationContext(
			ServletContext servletContext)
			throws BeansException {
		logger.debug("Creating web application context");
		Properties props = this.loadProperties();
		String repoMode = props.getProperty("services.validator.mode.repo");
		String userMode = props.getProperty("services.validator.mode.user");
		Boolean standaloneMode = Boolean.parseBoolean(props.getProperty("services.validator.mode.standalone"));

		logger.info("User mode: " + userMode);
		logger.info("Repo mode: " + repoMode);
		logger.info("Standalone mode: " + standaloneMode);
//		logger.info("Dnet workflow enabled: " + repoMode);
		XmlWebApplicationContext ctx = new XmlWebApplicationContext();

		ctx.setServletContext(servletContext);

		String userApiContext = null;
		if (userMode.equalsIgnoreCase("local"))
			userApiContext = "eu/dnetlib/validator/web/api/impls/users/springContext-validator-user-local.xml";
		else if (userMode.equalsIgnoreCase("ldap"))
			userApiContext = "eu/dnetlib/users/springContext-users-ldap.xml";

		String[] springContextCore = new  String[] {
				"classpath:META-INF/cxf/cxf.xml",
				"classpath:META-INF/cxf/cxf-extension-soap.xml",
				"classpath:META-INF/cxf/cxf-extension-jaxws.xml",
				"classpath:META-INF/cxf/cxf-servlet.xml",
				"classpath*:/cxf.xml",
				"classpath*:/eu/dnetlib/repos/ehcacher/springContext-repos-ehcacher.xml",
				"classpath*:/eu/dnetlib/clients/ws/springContext-locatorFactory.xml",
				"classpath*:/eu/dnetlib/soap/cxf/applicationContext-eprbuilders.xml",
//				"classpath*:/eu/dnetlib/validator/web/actions/springContext-validator-struts.xml",
//				"classpath*:/eu/dnetlib/validator/web/actions/springContext-validator-emailer.xml",
//				"classpath*:/eu/dnetlib/validator/web/config/springContext-validator.xml",
				"classpath*:/eu/dnetlib/repo/manager/server/config/springContext-repo-manager-config.xml",
//				"classpath*:/eu/dnetlib/validator/commons/dao/springContext-*.xml",
				"classpath*:/eu/dnetlib/repos/springContext-repos-" + repoMode + ".xml",
				"classpath*:/" + userApiContext
		};


		String[] springContextForStandalone = new String[] {
		};

		String[] springContextForIS = new String[] {
				"classpath*:/gr/uoa/di/driver/util/springContext-locators.xml",
				"classpath*:/gr/uoa/di/driver/app/springContext-lookupFactory.xml",
				"classpath*:/gr/uoa/di/driver/app/springContext-lookupClients.xml",
				"classpath*:/eu/dnetlib/enabling/hcm/springContext-hcmService.xml",
				"classpath*:/gr/uoa/di/driver/app/springContext-commons.xml",
				"classpath*:/gr/uoa/di/driver/app/springContext-registrator.xml"
		};

		if (standaloneMode) {
			logger.debug("Loading contexts for standalone mode");
			ctx.setConfigLocations((String[])ArrayUtils.addAll(springContextCore,springContextForStandalone));
		} else {
			logger.debug("Loading contexts for dnet");
			ctx.setConfigLocations((String[])ArrayUtils.addAll(springContextCore,springContextForIS));
		}

		ctx.refresh();

		logger.debug("done");

		return ctx;
	}

	private Properties loadProperties() {
		ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext(new String[] {
				"classpath*:/eu/dnetlib/repo/manager/server/config/springContext-repo-manager-config.xml"
		});

		CascadingPropertyLoader pLoader = (CascadingPropertyLoader) ctx.getBean("propertyLoader");
		Properties props = pLoader.getProperties();

		ctx.destroy();
		ctx.close();
		return props;
	}

}