/*
 * $Revision: 1.13 $
 *
 * $Date: 2004/11/22 09:12:28 $
 *
 * Copyright (C) 2001 CERN - European Organization for Nuclear Research
 * All rights reserved.
 */

package com.c2kernel.events;

import java.util.Calendar;

import com.c2kernel.common.GTimeStamp;
import com.c2kernel.entity.C2KLocalObject;
import com.c2kernel.persistency.ClusterStorage;


/**
 * The data structure of events, which are passed over the event service.
 *
 * Events are incrementaly numbered objects maintained by the History.
 *
 * @version $Revision: 1.13 $ $Date: 2004/11/22 09:12:28 $
 * @author  $Author: abranson $
 */
public class Event implements C2KLocalObject
{

    int mID, mEntitySystemKey, mType, mCurrentState, mTransition;
    String mName, mStepName, mStepPath, mStepType, mAgentName, mAgentCentre, mAgentRole;
    GTimeStamp mTimeStamp;

    public void setID( int id ) {
        mID = id;
        mName = String.valueOf(id);
    }
    /**
     */
    public void setEntitySystemKey( int systemKey )
    {
        mEntitySystemKey = systemKey;
    }


    /**
     * Set the Event Type, in parameter is an integer.
     */
    public void setType(int type)
    {
        mType = type;
    }

    /**
     * Set the Event Name, in parameter is a String
     */
    public void setName(String name)
    {
        mName = name;
        try {
            mID = Integer.parseInt(name);
        } catch (NumberFormatException ex) {
            mID = -1; 
        }
    }

    /**
     * Set the StepPath of the Event, in parameter is a String
     */
    public void setStepName(String name)
    {
        mStepName = name;
    }

    /**
     * Set the StepPath of the Event, in parameter is a String
     */
    public void setStepPath(String path)
    {
        mStepPath = path;
    }

	/**
	 * Set the StepType of the Event, in parameter is a String
	 */
	public void setStepType(String type)
	{
		mStepType = type;
	}
	
    public void setCurrentState(int state)
    {
        mCurrentState = state;
    }

    /**
     * Set the AgentInfo in the Event, in parameter is an AgentInfo
     */
    public void setAgentName(String agentName)
    {
        mAgentName = agentName;
    }
    
    public void setAgentCentre(String agentCentre)
    {
        mAgentCentre = agentCentre;
    }

	public void setAgentRole(String agentRole)
	{
		mAgentRole = agentRole;
	}

    /**
     * Set the TimeStamp in the Event, in parameter is an GTimeStamp
     */
    public void setTimeStamp(GTimeStamp inTimeStamp)
    {
        mTimeStamp = inTimeStamp;
    }


    /**
     * Return the Event's ID
     */
    public int getID()
    {
        return mID;
    }

    /**
     */
    public int getEntitySystemKey()
    {
        return mEntitySystemKey;
    }

    /**
     * Return the Event Type
     */
    public int getType()
    {
        return mType;
    }

    /**
     * Return the Event Name
     */
    public String getName()
    {
        return mName;
    }

    /**
     * Return the StepPath of the Event.
     */
    public String getStepName()
    {
        return mStepName;
    }

    /**
     * Return the StepPath of the Event.
     */
    public String getStepPath()
    {
        return mStepPath;
    }

	/**
	 * Return the StepPath of the Event.
	 */
	public String getStepType()
	{
		return mStepType;
	}
	
    public int getCurrentState()
    {
        return mCurrentState;
    }

    /**
     * Return the AgentInfo of the Event.
     */
    public String getAgentName()
    {
        if (mAgentCentre != null)
            return mAgentCentre+"/"+mAgentName;
        return mAgentName;
    }
    
    public String getAgentRole()
    {
    	return mAgentRole;
    }

    /**
     * Return the Event's TimeStamp.
     */
    public GTimeStamp getTimeStamp()
    {
        return mTimeStamp;
    }

    /**
     *  Return the TimeStamp in a form that will
     *  convert nicely to a String
     *  YYYY-MM-DD HH:MI:SS
     */
    public String getTimeString()
    {
        return Event.timeToString(mTimeStamp);
    }
    
    public static String timeToString(GTimeStamp timeStamp) {
        StringBuffer time = new StringBuffer().append(timeStamp.mYear).append("-");
        
        if (timeStamp.mMonth<10) time.append("0");
        time.append(timeStamp.mMonth).append("-");
        
        if (timeStamp.mDay<10) time.append("0");
        time.append(timeStamp.mDay).append(" ");
        
        if (timeStamp.mHour<10) time.append("0");
        time.append(timeStamp.mHour).append(":");
        
        if (timeStamp.mMinute<10) time.append("0");
        time.append(timeStamp.mMinute).append(":");
        
        if (timeStamp.mSecond<10) time.append("0");
        time.append(timeStamp.mSecond);
        
        return time.toString();        
    }

    public void setTimeString(String time) throws Exception
    {
    	if (time.length() == 19)
    	    mTimeStamp = new GTimeStamp(
        					Integer.parseInt(time.substring(0,4)),
        					Integer.parseInt(time.substring(5,7)),
        					Integer.parseInt(time.substring(8,10)),
        					Integer.parseInt(time.substring(11,13)),
        					Integer.parseInt(time.substring(14,16)),
    	    				Integer.parseInt(time.substring(17,19)),
    		   				Calendar.getInstance().get(Calendar.ZONE_OFFSET));
        else if (time.length() == 14) // support for some sql formats
            mTimeStamp = new GTimeStamp(
                            Integer.parseInt(time.substring(0,4)),
                            Integer.parseInt(time.substring(4,6)),
                            Integer.parseInt(time.substring(6,8)),
                            Integer.parseInt(time.substring(8,10)),
                            Integer.parseInt(time.substring(10,12)),
                            Integer.parseInt(time.substring(12,14)),
                            Calendar.getInstance().get(Calendar.ZONE_OFFSET));
        else
            throw new Exception("Unknown time format: "+time);
    }


    
   static public GTimeStamp getGMT()
    {
        java.util.Calendar now = Calendar.getInstance();
		
        return new GTimeStamp( now.get(Calendar.YEAR),
                               now.get(Calendar.MONTH)+1,
                               now.get(Calendar.DAY_OF_MONTH),
                               now.get(Calendar.HOUR_OF_DAY),
                               now.get(Calendar.MINUTE),
                               now.get(Calendar.SECOND),
                               now.get(Calendar.ZONE_OFFSET) );
    }
	/**
	 * @see com.c2kernel.entity.C2KLocalObject#getClusterType()
	 */
	public String getClusterType() {
		return ClusterStorage.HISTORY;
	}

    /**
     * @return
     */
    public int getTransition() {
        return mTransition;
    }

    /**
     * @param i
     */
    public void setTransition(int i) {
        mTransition = i;
    }

}