/* 
    This file is a part of the SteamWar software.
    
    Copyright (C) 2020  SteamWar.de-Serverteam

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program 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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

package de.steamwar.core;

import de.steamwar.sql.SWException;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.core.Core;
import org.apache.logging.log4j.core.*;
import org.apache.logging.log4j.core.appender.AbstractAppender;
import org.apache.logging.log4j.core.config.plugins.Plugin;
import org.apache.logging.log4j.core.config.plugins.PluginAttribute;
import org.apache.logging.log4j.core.config.plugins.PluginFactory;

@Plugin(name = "ErrorLogger", category = Core.CATEGORY_NAME, elementType = Appender.ELEMENT_TYPE)
public class ErrorLogger extends AbstractAppender {

    public static void init(){
        final LoggerContext lc = (LoggerContext) LogManager.getContext(false);
        ErrorLogger el = ErrorLogger.createAppender("SWErrorLogger");
        el.start();
        lc.getConfiguration().addAppender(el);
        lc.getRootLogger().addAppender(lc.getConfiguration().getAppender(el.getName()));
        lc.updateLoggers();
    }

    private ErrorLogger(String name) {
        super(name, null, null);
    }

    @PluginFactory
    public static ErrorLogger createAppender(
            @PluginAttribute("name") String name) {
        return new ErrorLogger(name);
    }

    @Override
    public void append(LogEvent logEvent) {
        if(logEvent.getLevel().isLessSpecificThan(Level.WARN))
            return;

        SWException.log(logEvent);
    }
}