/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you 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 .
 */
package com.sun.star.report.pentaho.output.spreadsheet;

import com.sun.star.report.DataSourceFactory;
import com.sun.star.report.ImageService;
import com.sun.star.report.InputRepository;
import com.sun.star.report.OutputRepository;
import com.sun.star.report.pentaho.PentahoFormulaContext;

import org.jfree.report.DataSourceException;
import org.jfree.report.ReportDataFactoryException;
import org.jfree.report.ReportProcessingException;
import org.jfree.report.data.ReportContextImpl;
import org.jfree.report.flow.AbstractReportProcessor;
import org.jfree.report.flow.ReportContext;
import org.jfree.report.flow.ReportJob;
import org.jfree.report.flow.ReportStructureRoot;
import org.jfree.report.flow.ReportTarget;

import org.pentaho.reporting.libraries.resourceloader.ResourceManager;

/**
 * @author Michael D'Amour
 */
public class SpreadsheetRawReportProcessor extends AbstractReportProcessor
{

    private final OutputRepository outputRepository;
    private final String targetName;
    private final InputRepository inputRepository;
    private final ImageService imageService;
    private final DataSourceFactory dataSourceFactory;

    public SpreadsheetRawReportProcessor(final InputRepository inputRepository,
            final OutputRepository outputRepository,
            final String targetName,
            final ImageService imageService,
            final DataSourceFactory dataSourceFactory)
    {
        if (outputRepository == null)
        {
            throw new NullPointerException();
        }
        if (targetName == null)
        {
            throw new NullPointerException();
        }
        if (imageService == null)
        {
            throw new NullPointerException();
        }
        if (inputRepository == null)
        {
            throw new NullPointerException();
        }
        if (dataSourceFactory == null)
        {
            throw new NullPointerException();
        }

        this.targetName = targetName;
        this.inputRepository = inputRepository;
        this.outputRepository = outputRepository;
        this.imageService = imageService;
        this.dataSourceFactory = dataSourceFactory;
    }

    protected ReportTarget createReportTarget(final ReportJob job) throws ReportProcessingException
    {
        final ReportStructureRoot report = job.getReportStructureRoot();
        final ResourceManager resourceManager = report.getResourceManager();
        return new SpreadsheetRawReportTarget(job, resourceManager, report.getBaseResource(), inputRepository, outputRepository, targetName, imageService, dataSourceFactory);
    }

    public void processReport(final ReportJob job) throws ReportDataFactoryException, DataSourceException,
            ReportProcessingException
    {
        final ReportTarget reportTarget = createReportTarget(job);
        // first run: collect table cell sizes for all tables
        processReportRun(job, reportTarget);
        // second run: uses table cell data to output a single uniform table
        processReportRun(job, reportTarget);
    }

    protected ReportContext createReportContext(final ReportJob job,
            final ReportTarget target)
    {
        final ReportContext context = super.createReportContext(job, target);
        if (context instanceof ReportContextImpl)
        {
            final ReportContextImpl impl = (ReportContextImpl) context;
            impl.setFormulaContext(new PentahoFormulaContext(impl.getFormulaContext(), job.getConfiguration()));
        }
        return context;
    }
}