package org.argeo.cms.internal.kernel;

import static org.argeo.cms.internal.kernel.KernelUtils.getFrameworkProp;

import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.util.Dictionary;
import java.util.Hashtable;

import org.apache.commons.io.FileUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.argeo.cms.CmsException;
import org.argeo.jcr.ArgeoJcrConstants;
import org.argeo.node.NodeConstants;
import org.argeo.node.RepoConf;
import org.eclipse.equinox.http.jetty.JettyConstants;

/**
 * Interprets framework properties in order to generate the initial deploy
 * configuration.
 */
class FirstInitProperties {
	private final static Log log = LogFactory.getLog(FirstInitProperties.class);

	public FirstInitProperties() {
		log.info("## FIRST INIT ##");
	}

	/** Override the provided config with the framework properties */
	Dictionary<String, Object> getNodeRepositoryConfig(Dictionary<String, Object> provided) {
		Dictionary<String, Object> props = provided != null ? provided : new Hashtable<String, Object>();
		for (RepoConf repoConf : RepoConf.values()) {
			Object value = getFrameworkProp(NodeConstants.NODE_REPO_PROP_PREFIX + repoConf.name());
			if (value != null)
				props.put(repoConf.name(), value);
		}
		props.put(NodeConstants.CN, ArgeoJcrConstants.ALIAS_NODE);
		props.put(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS, ArgeoJcrConstants.ALIAS_NODE);
		return props;
	}

	Dictionary<String, Object> getHttpServerConfig(Dictionary<String, Object> provided) {
		String httpPort = getFrameworkProp("org.osgi.service.http.port");
		String httpsPort = getFrameworkProp("org.osgi.service.http.port.secure");
		/// TODO make it more generic
		String httpHost = getFrameworkProp("org.eclipse.equinox.http.jetty.http.host");

		final Hashtable<String, Object> props = new Hashtable<String, Object>();
		// try {
		if (httpPort != null || httpsPort != null) {
			if (httpPort != null) {
				props.put(JettyConstants.HTTP_PORT, httpPort);
				props.put(JettyConstants.HTTP_ENABLED, true);
			}
			if (httpsPort != null) {
				props.put(JettyConstants.HTTPS_PORT, httpsPort);
				props.put(JettyConstants.HTTPS_ENABLED, true);
				props.put(JettyConstants.SSL_KEYSTORETYPE, "PKCS12");
				// jettyProps.put(JettyConstants.SSL_KEYSTORE,
				// nodeSecurity.getHttpServerKeyStore().getCanonicalPath());
				props.put(JettyConstants.SSL_PASSWORD, "changeit");
				props.put(JettyConstants.SSL_WANTCLIENTAUTH, true);
			}
			if (httpHost != null) {
				props.put(JettyConstants.HTTP_HOST, httpHost);
			}
			props.put(NodeConstants.CN, "default");
		}
		return props;
	}

	/**
	 * Called before node initialisation, in order populate OSGi instance are
	 * with some files (typically LDIF, etc).
	 */
	void prepareInstanceArea() {
		String nodeInit = getFrameworkProp(NodeConstants.NODE_INIT);
		if (nodeInit == null)
			nodeInit = "../../init";
		if (nodeInit.startsWith("http")) {
			// remoteFirstInit(nodeInit);
			return;
		}

		// TODO use java.nio.file
		File initDir;
		if (nodeInit.startsWith("."))
			initDir = KernelUtils.getExecutionDir(nodeInit);
		else
			initDir = new File(nodeInit);
		// TODO also uncompress archives
		if (initDir.exists())
			try {
				FileUtils.copyDirectory(initDir, KernelUtils.getOsgiInstanceDir(), new FileFilter() {

					@Override
					public boolean accept(File pathname) {
						if (pathname.getName().equals(".svn") || pathname.getName().equals(".git"))
							return false;
						return true;
					}
				});
				log.info("CMS initialized from " + initDir.getCanonicalPath());
			} catch (IOException e) {
				throw new CmsException("Cannot initialize from " + initDir, e);
			}
	}

}