/*
 * $Header: /cvsroot/mvnforum/myvietnam/src/net/myvietnam/mvncore/MVNCoreConfig.java,v 1.5 2005/01/30 18:14:20 minhnn Exp $
 * $Author: minhnn $
 * $Revision: 1.5 $
 * $Date: 2005/01/30 18:14:20 $
 *
 * ====================================================================
 *
 * Copyright (C) 2002-2005 by MyVietnam.net
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or any later version.
 *
 * All copyright notices regarding mvnForum MUST remain intact
 * in the scripts and in the outputted HTML.
 * The "powered by" text/logo with a link back to
 * http://www.mvnForum.com and http://www.MyVietnam.net in the
 * footer of the pages MUST remain visible when the pages
 * are viewed on the internet or intranet.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Support can be obtained from support forums at:
 * http://www.mvnForum.com/mvnforum/index
 *
 * Correspondence and Marketing Questions can be sent to:
 * info@MyVietnam.net
 *
 * @author: Phong Ta Quoc  phongtq@MyVietnam.net
 */
package net.myvietnam.mvncore;

import java.io.File;

import net.myvietnam.mvncore.configuration.DOM4JConfiguration;
import net.myvietnam.mvncore.util.FileUtil;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class MVNCoreConfig {

    private static Log log = LogFactory.getLog(MVNCoreConfig.class);

    final static String OPTION_FILE_NAME = "mvncore.xml";

    /* <Database Options> */
    private static boolean useDataSource = false;
    public static boolean isUseDataSource() {
        return useDataSource;
    }

    private static String dataSourceName = "";
    public static String getDataSourceName() {
        return dataSourceName;
    }

    // MUST NOT refer to DBUtils, or we will get an infinite recurse ???
    private static int databaseType = 0;//DATABASE_UNKNOWN
    public static int getDatabaseType() {
        return databaseType;
    }

    private static String driverClassName = "com.mysql.jdbc.Driver";
    public static String getDriverClassName() {
        return driverClassName;
    }

    private static String databaseURL = "jdbc:mysql://localhost/mvnforum";
    public static String getDatabaseURL() {
        return databaseURL;
    }

    private static String databaseUser = "root";
    public static String getDatabaseUser() {
        return databaseUser;
    }

    private static String databasePassword = "";
    public static String getDatabasePassword() {
        return databasePassword;
    }

    private static int maxConnection = 20;
    public static int getMaxConnection() {
        return maxConnection;
    }

    /* by default, the unit of time is milisecond */
    private static int maxTimeToWait = 2000;// 2 seconds
    public static int getMaxTimeToWait() {
        return maxTimeToWait;
    }

    private static int minutesBetweenRefresh = 30;// 30 minutes
    public static int getMinutesBetweenRefresh() {
        return minutesBetweenRefresh;
    }
    /* </Database Options> */

    /* <Mail Options> */
    private static String mailServer = "mail.yourdomain";
    public static String getMailServer() {
        return mailServer;
    }

    private static int mailServerPort = 25;
    public static int getMailServerPort() {
        return mailServerPort;
    }

    private static String defaultMailFrom = "youruser@yourdomain";
    public static String getDefaultMailFrom() {
        return defaultMailFrom;
    }

    private static String mailUserName = "";// allow empty username
    public static String getMailUserName() {
        return mailUserName;
    }

    private static String mailPassword = "";
    public static String getMailPassword() {
        return mailPassword;
    }
    /* </Mail Options> */

    /* <Param Options> */
    private static String contextPath = "";// allow ROOT context
    public static String getContextPath() {
        return contextPath;
    }

    private static String serverPath = "http://localhost:8080";
    public static String getServerPath() {
        return serverPath;
    }
    /* <Param Options> */

    /* <Date Options> */
    /* the unit of the server offset is hour*/
    private static int serverHourOffset = 0; /* GMT timezone */
    public static int getServerHourOffset() {
        return serverHourOffset;
    }
    /* </Date Options> */

    /* <User Agent Options>*/
    private static String blockedUserAgents = "";
    public static String getBlockedUserAgents() {
        return blockedUserAgents;
    }
    /* </User Agent Options>*/

    /* <IP Options>*/
    private static String blockedIPs = "";
    public static String getBlockedIPs() {
        return blockedIPs;
    }
    /* </IP Options>*/

    /* <Interceptor> */
    private static String mailInterceptorClassName = "";
    public static String getMailInterceptorClassName() {
        return mailInterceptorClassName;
    }

    private static String contentInterceptorClassName = "";
    public static String getContentInterceptorClassName() {
        return contentInterceptorClassName;
    }

    private static String loginInterceptorClassName = "";
    public static String getLoginIdInterceptorClassName() {
        return loginInterceptorClassName;
    }
    /* </Interceptor> */

    private static boolean enableLinkNofollow = false;
    public static boolean getEnableLinkNofollow() {
        return enableLinkNofollow;
    }

    static {
        load();
    }

    public static void load() {
        reload();
    }

    public static void reload() {
        String classPath = FileUtil.getServletClassesPath();
        String configFilename = classPath + OPTION_FILE_NAME;
        try {
            DOM4JConfiguration conf = new DOM4JConfiguration(new File(configFilename));

            /* <Database Options> */
            useDataSource = conf.getBoolean("dboptions.use_datasource", false);
            databaseType = conf.getInt("dboptions.database_type", 0);

            if (useDataSource) {
                dataSourceName = conf.getString("dboptions.datasource_name");
            } else {
                driverClassName = conf.getString("dboptions.driver_class_name", driverClassName);
                databaseURL = conf.getString("dboptions.database_url", databaseURL);
                databaseUser = conf.getString("dboptions.database_user", databaseUser);
                databasePassword = conf.getString("dboptions.database_password",databasePassword);

                maxConnection = conf.getInt("dboptions.max_connection", maxConnection);
                maxTimeToWait = conf.getInt("dboptions.max_time_to_wait", maxTimeToWait);

                minutesBetweenRefresh = conf.getInt("dboptions.minutes_between_refresh", minutesBetweenRefresh);
                if (minutesBetweenRefresh < 1) {
                    minutesBetweenRefresh = 1; //min is 1 minute
                }
            }
            /* <Database Options> */

            /* <Mail Options> */
            mailServer = conf.getString("mailoptions.mail_server", mailServer);
            defaultMailFrom = conf.getString("mailoptions.default_mail_from", defaultMailFrom);
            mailUserName = conf.getString("mailoptions.username", mailUserName);
            mailPassword = conf.getString("mailoptions.password", mailPassword);
            mailServerPort = conf.getInt("mailoptions.port", mailServerPort);
            /* </Mail Options> */

            /* <Parameter Options> */
            contextPath = conf.getString("paramoptions.context_path", contextPath);
            serverPath = conf.getString("paramoptions.server_path", serverPath);
            if (serverPath.endsWith("/")) {
                serverPath = serverPath.substring(0, serverPath.length() - 1);
            }
            /* </Parameter Options> */

            /* <Date Time Options> */
            serverHourOffset = conf.getInt("dateoptions.server_hour_offset", serverHourOffset);
            if ((serverHourOffset < -13) || (serverHourOffset > 13)) {
                serverHourOffset = 0;
            }
            /* </Date Time Options> */

            /* <User Agent Options>*/
            blockedUserAgents = conf.getString("useragentoptions.blocked_user_agent", blockedUserAgents);
            /* </User Agent Options>*/

            /* <IP Options>*/
            blockedIPs = conf.getString("ipoptions.blocked_ip", blockedIPs);
            /* </IP Options>*/

            /* <Interceptor Options>*/
            mailInterceptorClassName = conf.getString("interceptor.mailinterceptor_implementation", mailInterceptorClassName);
            contentInterceptorClassName = conf.getString("interceptor.contentinterceptor_implementation", contentInterceptorClassName);
            loginInterceptorClassName = conf.getString("interceptor.loginidinterceptor_implementation", loginInterceptorClassName);
            /* </Interceptor Options>*/

            enableLinkNofollow = conf.getBoolean("mvncoreconfig.enable_link_nofollow", false);
        } catch (Exception e) {
            String message = "com.mvnforum.MVNCoreConfig: Can't read the configuration file: '" + configFilename + "'. Make sure the file is in your CLASSPATH";
            log.error(message, e);
        }
    }
}