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/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2011 Jaspersoft Corporation. All rights reserved.
 * http://www.jaspersoft.com
 *
 * Unless you have purchased a commercial license agreement from Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of JasperReports.
 *
 * JasperReports is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * JasperReports 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with JasperReports. If not, see .
 */
package net.sf.jasperreports.data.xls;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Map;

import jxl.Workbook;
import jxl.read.biff.BiffException;
import net.sf.jasperreports.data.AbstractDataAdapterService;
import net.sf.jasperreports.engine.DefaultJasperReportsContext;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRParameter;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.data.JRXlsDataSource;
import net.sf.jasperreports.engine.query.JRXlsQueryExecuterFactory;

/**
 * @author Teodor Danciu ([email protected])
 * @version $Id: XlsDataAdapterService.java 5050 2012-03-12 10:11:26Z teodord $
 */
public class XlsDataAdapterService extends AbstractDataAdapterService 
{
	
	/**
	 * 
	 */
	public XlsDataAdapterService(JasperReportsContext jasperReportsContext, XlsDataAdapter xlsDataAdapter)
	{
		super(jasperReportsContext, xlsDataAdapter);
	}
	
	/**
	 * @deprecated Replaced by {@link #XlsDataAdapterService(JasperReportsContext, XlsDataAdapter)}.
	 */
	public XlsDataAdapterService(XlsDataAdapter xlsDataAdapter)
	{
		this(DefaultJasperReportsContext.getInstance(), xlsDataAdapter);
	}
	
	public XlsDataAdapter getXlsDataAdapter()
	{
		return (XlsDataAdapter)getDataAdapter();
	}
	
	@Override
	public void contributeParameters(Map parameters) throws JRException
	{
		XlsDataAdapter xlsDataAdapter = getXlsDataAdapter();
		if (xlsDataAdapter != null)
		{
			try
			{
				String datePattern = xlsDataAdapter.getDatePattern();
				String numberPattern = xlsDataAdapter.getNumberPattern();
				if (xlsDataAdapter.isQueryExecuterMode())
				{	
					parameters.put(JRXlsQueryExecuterFactory.XLS_WORKBOOK, Workbook.getWorkbook(new FileInputStream(new File(xlsDataAdapter.getFileName()))));//FIXMENOW check this
					if (datePattern != null && datePattern.length() > 0)
					{
						parameters.put( JRXlsQueryExecuterFactory.XLS_DATE_FORMAT, new SimpleDateFormat(datePattern) );
					}
					if (numberPattern != null && numberPattern.length() > 0)
					{
						parameters.put( JRXlsQueryExecuterFactory.XLS_NUMBER_FORMAT, new DecimalFormat(numberPattern) );
					}
					parameters.put( JRXlsQueryExecuterFactory.XLS_USE_FIRST_ROW_AS_HEADER, new Boolean(xlsDataAdapter.isUseFirstRowAsHeader()));
	
					if (!xlsDataAdapter.isUseFirstRowAsHeader())
					{ 
						String[] names = new String[xlsDataAdapter.getColumnNames().size()];
						int[] indexes = new int[xlsDataAdapter.getColumnNames().size()];
						setupColumns(xlsDataAdapter, names, indexes);
	
						parameters.put( JRXlsQueryExecuterFactory.XLS_COLUMN_NAMES_ARRAY, names);
						parameters.put( JRXlsQueryExecuterFactory.XLS_COLUMN_INDEXES_ARRAY, indexes);
					}
				}else{				
						JRXlsDataSource ds = new JRXlsDataSource(new File(xlsDataAdapter.getFileName()));
						if (datePattern != null && datePattern.length() > 0)
						{
							ds.setDateFormat(new SimpleDateFormat(datePattern));
						}
						if (numberPattern != null && numberPattern.length() > 0)
						{
							ds.setNumberFormat(new DecimalFormat(numberPattern));
						}
			
						ds.setUseFirstRowAsHeader(xlsDataAdapter.isUseFirstRowAsHeader());
			
						if (!xlsDataAdapter.isUseFirstRowAsHeader())
						{
							String[] names = new String[xlsDataAdapter.getColumnNames().size()];
							int[] indexes = new int[xlsDataAdapter.getColumnNames().size()];
							setupColumns(xlsDataAdapter, names, indexes);
							ds.setColumnNames( names, indexes);
						}
			
						parameters.put(JRParameter.REPORT_DATA_SOURCE, ds);
					
				}
			}
			catch (FileNotFoundException e)
			{
				throw new JRException(e);
			}
			catch (IOException e)
			{
				throw new JRException(e);
			} catch (BiffException e) {
				throw new JRException(e);
			}
		}
	}

	private void setupColumns(XlsDataAdapter xlsDataAdapter, String[] names,
			int[] indexes) {
		for (int i=0; i< names.length; ++i )
		{
			names[i] = "" + xlsDataAdapter.getColumnNames().get(i);
			indexes[i] = (xlsDataAdapter.getColumnIndexes().size() > i) ? xlsDataAdapter.getColumnIndexes().get(i) : i;
		}
	}
	
	
}