package com.planet_ink.coffee_mud.core.database;
import com.planet_ink.coffee_mud.core.interfaces.*;
import com.planet_ink.coffee_mud.core.*;
import com.planet_ink.coffee_mud.Abilities.interfaces.*;
import com.planet_ink.coffee_mud.Areas.interfaces.*;
import com.planet_ink.coffee_mud.Behaviors.interfaces.*;
import com.planet_ink.coffee_mud.CharClasses.interfaces.*;
import com.planet_ink.coffee_mud.Commands.interfaces.*;
import com.planet_ink.coffee_mud.Common.interfaces.*;
import com.planet_ink.coffee_mud.Exits.interfaces.*;
import com.planet_ink.coffee_mud.Items.interfaces.*;
import com.planet_ink.coffee_mud.Locales.interfaces.*;
import com.planet_ink.coffee_mud.MOBS.interfaces.*;
import com.planet_ink.coffee_mud.Races.interfaces.*;

import java.sql.*;
import java.util.*;


/* 
   Copyright 2000-2006 Bo Zimmerman

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/
public class StatLoader
{
	protected DBConnector DB=null;
	public StatLoader(DBConnector newDB)
	{
		DB=newDB;
	}
	public CoffeeTableRow DBRead(long startTime)
	{
		if(Log.debugChannelOn()&&(CMSecurity.isDebugging("CMSTAT")))
			Log.debugOut("StatLoader","Reading content of Stat  "+CMLib.time().date2String(startTime));
		DBConnection D=null;
        CoffeeTableRow T=null;
		try
		{
			D=DB.DBFetch();
			ResultSet R=D.query("SELECT * FROM CMSTAT WHERE CMSTRT="+startTime);
			T=(CoffeeTableRow)CMClass.getCommon("DefaultCoffeeTableRow");
			if(R.next())
			{
				long endTime=DBConnections.getLongRes(R,"CMENDT");
				String data=DBConnections.getRes(R,"CMDATA");
				T.populate(startTime,endTime,data);
			}
		}
		catch(Exception sqle)
		{
			Log.errOut("DataLoader",sqle);
		}
		if(D!=null) DB.DBDone(D);
		// log comment 
		return T;
	}
	
	public Vector DBReadAfter(long startTime)
	{
		if(Log.debugChannelOn()&&(CMSecurity.isDebugging("CMSTAT")))
			Log.debugOut("StatLoader","Reading content of Stats since "+CMLib.time().date2String(startTime));
		DBConnection D=null;
        CoffeeTableRow T=null;
		Vector rows=new Vector();
		try
		{
			D=DB.DBFetch();
			ResultSet R=D.query("SELECT * FROM CMSTAT WHERE CMSTRT>"+startTime);
			while(R.next())
			{
				T=(CoffeeTableRow)CMClass.getCommon("DefaultCoffeeTableRow");
				long strTime=DBConnections.getLongRes(R,"CMSTRT");
				long endTime=DBConnections.getLongRes(R,"CMENDT");
				String data=DBConnections.getRes(R,"CMDATA");
				T.populate(strTime,endTime,data);
				rows.addElement(T);
			}
		}
		catch(Exception sqle)
		{
			Log.errOut("DataLoader",sqle);
		}
		if(D!=null) DB.DBDone(D);
		// log comment 
		return rows;
	}
	
	public void DBDelete(long startTime)
	{
		if(Log.debugChannelOn()&&(CMSecurity.isDebugging("CMSTAT")))
			Log.debugOut("StatLoader","Deleting Stat  "+CMLib.time().date2String(startTime));
		try
		{
			DB.update("DELETE FROM CMSTAT WHERE CMSTRT="+startTime);
		}
		catch(Exception sqle)
		{
			Log.errOut("DataLoader",sqle);
		}
	}
	public void DBUpdate(long startTime, String data)
	{
		if(Log.debugChannelOn()&&(CMSecurity.isDebugging("CMSTAT")))
			Log.debugOut("StatLoader","Updating Stat  "+CMLib.time().date2String(startTime));
		try
		{
			DB.update("UPDATE CMSTAT SET CMDATA='"+data+"' WHERE CMSTRT="+startTime);
		}
		catch(Exception sqle)
		{
			Log.errOut("DataLoader",sqle);
		}
	}
	public void DBCreate(long startTime, long endTime, String data)
	{
		if(Log.debugChannelOn()&&(CMSecurity.isDebugging("CMSTAT")))
			Log.debugOut("StatLoader","Creating Stat  "+CMLib.time().date2String(startTime));
		DB.update(
		 "INSERT INTO CMSTAT ("
		 +"CMSTRT, "
		 +"CMENDT, "
		 +"CMDATA "
		 +") values ("
		 +""+startTime+","
		 +""+endTime+","
		 +"'"+data+"'"
		 +")");
	}
}
