/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (the "License").

 * You may not use this file except in compliance with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.

 */

package com.oracle.solaris.vp.panel.common.smf;

import java.text.DateFormat;

import java.util.*;

import javax.management.*;

import com.oracle.solaris.scf.common.FMRI;

import com.oracle.solaris.vp.panel.common.api.panel.MBeanUtil;

import com.oracle.solaris.vp.panel.common.api.smf_old.SmfState;

import com.oracle.solaris.vp.panel.common.model.ManagedObjectStatus;

import com.oracle.solaris.vp.util.misc.finder.Finder;

public class ServiceUtil {

    //

    // Static data

    //

    public static final String SERVICE_DOMAIN =

	MBeanUtil.VP_DOMAIN + ".smf_old";

    //

    // Static methods

    //

    public static ObjectName getServiceObjectName(

	String service, String instance) throws MalformedObjectNameException {

	/*

	 * We don't use ObjectName.quote() because we can be called to

	 * construct a pattern, and no valid FMRI characters require quoting

	 * in a quoted ObjectName values.

	 */

	String namestr = String.format("%s:type=service,service=\"%s\"",

	    SERVICE_DOMAIN, service);

	if (instance != null)

	    namestr = String.format("%s,instance=\"%s\"", namestr, instance);

	return (new ObjectName(namestr));

    }

    public static ObjectName toObjectName(String service, String instance)

    {

	try {

		return (getServiceObjectName(service, instance));

	} catch (MalformedObjectNameException e) {

		throw (new IllegalArgumentException(e));

	}

    }

    public static ObjectName toObjectName(FMRI fmri)

    {

	switch (fmri.getSvcType()) {

	case INSTANCE:

	    return (toObjectName(fmri.getService(), fmri.getInstance()));

	case SERVICE:

	    return (toObjectName(fmri.getService(), null));

	default:

	    return (null);

	}

    }

    public static String toFMRI(ObjectName on)

    {

	String service = ObjectName.unquote(on.getKeyProperty("service"));

	String instance = ObjectName.unquote(on.getKeyProperty("instance"));

	if (!on.getDomain().equals(SERVICE_DOMAIN) || service == null)

	    throw (new IllegalArgumentException("Not an SMF ObjectName"));

	service = service.replace('+', ',');

	if (instance != null)

		instance = instance.replace('+', ',');

	return ("svc:/" + (instance == null ?

	    service : service + ":" + instance));

    }

    public static String toService(ObjectName on)

    {

	try {

	    String service = on.getKeyProperty("service");

	    if (on.getDomain().equals(SERVICE_DOMAIN) && service != null)

		return ObjectName.unquote(service);

	} catch (IllegalArgumentException e) {

	}

	throw new IllegalArgumentException("Not an SMF ObjectName");

    }

    public static ManagedObjectStatus getPanelStatus(SmfState state) {

	ManagedObjectStatus status = ManagedObjectStatus.ERROR;

	if (state != null) {

	    switch (state) {

		case ONLINE:

		case OFFLINE:

		case DISABLED:

		    status = ManagedObjectStatus.HEALTHY;

		    break;

		case UNINIT:

		case DEGRADED:

		    status = ManagedObjectStatus.WARNING;

	    }

	}

	return status;

    }

    public static String getStateString(SmfState state) {

	if (state == null) {

	    return null;

	}

	String lower = state.toString().toLowerCase();

	String key = "service.state." + lower;

	String text = Finder.getString(key);

	if (text == null) {

	    text = lower;

	}

	return text;

    }

    public static String getStateSynopsis(SmfState state, SmfState nextState) {

	String synopsis;

	if (state == null) {

	    synopsis = Finder.getString("service.state.synopsis.unknown");

	} else if (nextState == null || nextState == SmfState.NONE) {

	    String key =

		"service.state.synopsis." + state.toString().toLowerCase();

	    synopsis = Finder.getString(key);

	    if (synopsis == null) {

		key = "service.state.synopsis.default";

		synopsis = Finder.getString(key, state);

	    }

	} else {

	    String stateString = getStateString(state);

	    String nextStateString = getStateString(nextState);

	    synopsis = Finder.getString("service.state.synopsis.transitioning",

		stateString, nextStateString);

	}

	return synopsis;

    }

    public static String getStateDetails(

	SmfState state, SmfState nextState, String auxState, Date changed) {

	String details = null;

	if (state == null) {

	    details = Finder.getString("service.state.details.unknown");

	} else {

	    Calendar now = Calendar.getInstance();

	    Calendar then = Calendar.getInstance();

	    then.setTime(changed);

	    DateFormat formatter;

	    // Do these times refer to the same day?

	    if (now.get(Calendar.YEAR) == then.get(Calendar.YEAR) &&

		now.get(Calendar.DAY_OF_YEAR) ==

		then.get(Calendar.DAY_OF_YEAR)) {

		formatter = DateFormat.getTimeInstance(DateFormat.SHORT);

	    } else {

		formatter = DateFormat.getDateInstance(DateFormat.FULL);

	    }

	    String date = formatter.format(changed);

	    if (nextState == null || nextState == SmfState.NONE) {

		String key =

		    "service.state.details." + state.toString().toLowerCase();

		if (state == SmfState.MAINT) {

		    if (auxState != null) {

			key += "." + auxState.toLowerCase();

			details = Finder.getString(key, date);

		    }

		    if (details == null) {

			details = Finder.getString(

			    "service.state.details.maint.unknown", date);

		    }

		} else {

		    details = Finder.getString(key, date);

		    if (details == null) {

			key = "service.state.details.default";

			details = Finder.getString(key, state, date);

		    }

		}

	    } else {

		String stateString = getStateString(state);

		String nextStateString = getStateString(nextState);

		details = Finder.getString(

		    "service.state.details.transitioning",

		    stateString, nextStateString, date);

	    }

	}

	return details;

    }

    public static String getRecommendation(SmfState state) {

	String recommendation = null;

	if (state != null) {

	    String key = "service.state.recommendation." +

		state.toString().toLowerCase();

	    recommendation = Finder.getString(key);

	}

	return recommendation;

    }

}