/******************************************************************************
 * Product: Adempiere ERP & CRM Smart Business Solution                        *
 * Copyright (C) 1999-2006 ComPiere, Inc. All Rights Reserved.                *
 * This program is free software; you can redistribute it and/or modify it    *
 * under the terms version 2 of the GNU General Public License as published   *
 * by the Free Software Foundation. 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.                     *
 * For the text or an alternative of this public license, you may reach us    *
 * ComPiere, Inc., 2620 Augustine Dr. #245, Santa Clara, CA 95054, USA        *
 * or via info@compiere.org or http://www.compiere.org/license.html           *
 *****************************************************************************/
package org.compiere.process;


import java.util.logging.Level;

import org.compiere.impexp.BankStatementMatchInfo;
import org.compiere.model.MBankStatement;
import org.compiere.model.MBankStatementLine;
import org.compiere.model.MBankStatementMatcher;
import org.compiere.model.X_I_BankStatement;

/**
 *	Bank Statement Matching
 *	
 *  @author Jorg Janke
 *  @version $Id: BankStatementMatcher.java,v 1.3 2006/09/25 00:59:41 jjanke Exp $
 */
public class BankStatementMatcher extends SvrProcess
{
	/**	Matchers					*/
	MBankStatementMatcher[] m_matchers = null; 

	/**
	 *  Prepare - e.g., get Parameters.
	 */
	protected void prepare()
	{
		ProcessInfoParameter[] para = getParameter();
		for (int i = 0; i < para.length; i++)
		{
			String name = para[i].getParameterName();
			if (para[i].getParameter() == null)
				;
			else
				log.log(Level.SEVERE, "Unknown Parameter: " + name);
		}
		m_matchers = MBankStatementMatcher.getMatchers(getCtx(), get_TrxName());
	}	//	prepare

	/**
	 *  Perform process.
	 *  @return Message 
	 *  @throws Exception if not successful
	 */
	protected String doIt() throws Exception
	{
		int Table_ID = getTable_ID();
		int Record_ID = getRecord_ID();
		if (m_matchers == null || m_matchers.length == 0)
			throw new IllegalStateException("No Matchers found");
		//
		log.info ("doIt - Table_ID=" + Table_ID + ", Record_ID=" + Record_ID
			+ ", Matchers=" + m_matchers.length);
		
		if (Table_ID == X_I_BankStatement.Table_ID)
			return match (new X_I_BankStatement(getCtx(), Record_ID, get_TrxName()));
		else if (Table_ID == MBankStatement.Table_ID)
			return match (new MBankStatement(getCtx(), Record_ID, get_TrxName()));
		else if (Table_ID == MBankStatementLine.Table_ID)
			return match (new MBankStatementLine(getCtx(), Record_ID, get_TrxName()));
		
		return "??";
	}	//	doIt

	/**
	 * 	Perform Match
	 *	@param ibs import bank statement line
	 *	@return Message
	 */
	private String match (X_I_BankStatement ibs)
	{
		if (m_matchers == null || ibs == null || ibs.getC_Payment_ID() != 0)
			return "--";
			
		log.fine("" + ibs);
		BankStatementMatchInfo info = null;
		for (int i = 0; i < m_matchers.length; i++)
		{
			if (m_matchers[i].isMatcherValid())
			{
				info = m_matchers[i].getMatcher().findMatch(ibs);
				if (info != null && info.isMatched())
				{
					if (info.getC_Payment_ID() > 0)
						ibs.setC_Payment_ID(info.getC_Payment_ID());
					if (info.getC_Invoice_ID() > 0)
						ibs.setC_Invoice_ID(info.getC_Invoice_ID());
					if (info.getC_BPartner_ID() > 0)
						ibs.setC_BPartner_ID(info.getC_BPartner_ID());
					ibs.save();
					return "OK";
				}
			}
		}	//	for all matchers
		return "--";
	}	//	match 


	/**
	 * 	Perform Match
	 *	@param bsl bank statement line
	 *	@return Message
	 */
	private String match (MBankStatementLine bsl)
	{
		if (m_matchers == null || bsl == null || bsl.getC_Payment_ID() != 0)
			return "--";
			
		log.fine("match - " + bsl);
		BankStatementMatchInfo info = null;
		for (int i = 0; i < m_matchers.length; i++)
		{
			if (m_matchers[i].isMatcherValid())
			{
				info = m_matchers[i].getMatcher().findMatch(bsl);
				if (info != null && info.isMatched())
				{
					if (info.getC_Payment_ID() > 0)
						bsl.setC_Payment_ID(info.getC_Payment_ID());
					if (info.getC_Invoice_ID() > 0)
						bsl.setC_Invoice_ID(info.getC_Invoice_ID());
					if (info.getC_BPartner_ID() > 0)
						bsl.setC_BPartner_ID(info.getC_BPartner_ID());
					bsl.save();
					return "OK";
				}
			}
		}	//	for all matchers
		return "--";
	}	//	match 

	/**
	 * 	Perform Match
	 *	@param bs bank statement
	 *	@return Message
	 */
	private String match (MBankStatement bs)
	{
		if (m_matchers == null || bs == null)
			return "--";
		log.fine("match - " + bs);
		int count = 0;
		MBankStatementLine[] lines = bs.getLines(false);
		for (int i = 0; i < lines.length; i++)
		{
			if (lines[i].getC_Payment_ID() == 0)
			{
				match(lines[i]);
				count++;
			}
		}
		return String.valueOf(count);
	}	//	match 

}	//	BankStatementMatcher
