/*******************************************************************************
 *  Imixs Workflow Technology
 *  Copyright (C) 2003, 2008 Imixs Software Solutions GmbH,  
 *  http://www.imixs.com
 *  
 *  This program is free software; you can redistribute it and/or 
 *  modify it under the terms of the GNU General Public License 
 *  as published by the Free Software Foundation; either version 2 
 *  of the License, or (at your option) any later version.
 *  
 *  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 can receive a copy of the GNU General Public
 *  License at http://www.gnu.org/licenses/gpl.html
 *  
 *  Contributors:  
 *  	Imixs Software Solutions GmbH - initial API and implementation
 *  	Ralph Soika
 *  
 *******************************************************************************/
package com.alexanderlogistics;

import java.io.Serializable;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

import javax.enterprise.context.ConversationScoped;
import javax.enterprise.event.Observes;
import javax.inject.Named;

import org.imixs.workflow.office.views.SearchEvent;

/**
 * Der CustomSearchController reagiert auf SeachEvents und erweitert das Search
 * Query um Rechnungbetrag von-bis.
 * 
 * @author rsoika
 * @version 1.0
 */

@Named
@ConversationScoped
public class CustomSearchController implements Serializable {

    private static final long serialVersionUID = 1L;

    /**
     * Erweitere Query
     * 
     * _amount_brutto_from, _amount_brutto_to
     * 
     * @param searchEvent
     * 
     **/

    /*
     * Aktuell ist es nicht möglich nach Long oder Double zu suchen. Hierzu muss die
     * LuceneUpdate Funktion in Imixs-Workflow verändert werden
     */

    public void onSearchEvent(@Observes SearchEvent searchEvent) {

        String query = searchEvent.getQuery();
        float invoiceTotal = searchEvent.getSearchFilter().getItemValueFloat("invoice.total");
        Date invoiceDate = searchEvent.getSearchFilter().getItemValueDate("invoice.date");
        Date dueDate = searchEvent.getSearchFilter().getItemValueDate("invoice.duedate");
        Date closingDate = searchEvent.getSearchFilter().getItemValueDate("invoice.closingdate");

        String cdtrNumber = searchEvent.getSearchFilter().getItemValueString("cdtr.number");

        // invoice.total
        if (invoiceTotal != 0) {
            // format form and to with at least one digit
            DecimalFormat decimalFormat = new DecimalFormat("#.00");
            query += " (invoice.total:" + decimalFormat.format(invoiceTotal) + ")";

        }

        // invoice.date
        if (invoiceDate != null) {
            query += " (invoice.date:" + CustomSearchController.getRangeDay(invoiceDate) + ")";

        }

        // invoice.duedate
        if (dueDate != null) {
            query += " (invoice.duedate:" + CustomSearchController.getRangeDay(dueDate) + ")";

        }

        // invoice.closingdate
        if (closingDate != null) {
            query += " ($lasteventdate:" + CustomSearchController.getRangeMonth(closingDate) + ")";

        }

        // dbtr.number
        if (cdtrNumber != null && !cdtrNumber.isEmpty()) {
            cdtrNumber = cdtrNumber.trim();
            if (!cdtrNumber.startsWith("K")) {
                cdtrNumber = "K" + cdtrNumber;
            }
            query += " (cdtr.number:" + cdtrNumber + ")";
        }

        // Udpate query
        searchEvent.setQuery(query);

    }

    private static String getRangeDay(Date dueDate) {
        // Setze die Uhrzeit auf Mitternacht (00:00)
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.setTime(dueDate);
        startCalendar.set(Calendar.HOUR_OF_DAY, 0);
        startCalendar.set(Calendar.MINUTE, 0);
        startCalendar.set(Calendar.SECOND, 0);
        startCalendar.set(Calendar.MILLISECOND, 0);

        Date startDate = startCalendar.getTime();

        // Setze die Uhrzeit auf 23:59:59.999
        Calendar endCalendar = Calendar.getInstance();
        endCalendar.setTime(dueDate);
        endCalendar.set(Calendar.HOUR_OF_DAY, 23);
        endCalendar.set(Calendar.MINUTE, 59);
        endCalendar.set(Calendar.SECOND, 59);
        endCalendar.set(Calendar.MILLISECOND, 999);

        Date endDate = endCalendar.getTime();
        SimpleDateFormat dateformat = new SimpleDateFormat("yyyyMMddHHmm");
        String dateRange = "[" + dateformat.format(startDate) + " TO "
                + dateformat.format(endDate) + "]";

        return dateRange;
    }

    private static String getRangeMonth(Date dueDate) {
        // Setze die Uhrzeit auf Mitternacht (00:00)
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.setTime(dueDate);
        startCalendar.set(Calendar.HOUR_OF_DAY, 0);
        startCalendar.set(Calendar.MINUTE, 0);
        startCalendar.set(Calendar.SECOND, 0);
        startCalendar.set(Calendar.MILLISECOND, 0);
        startCalendar.set(Calendar.DAY_OF_MONTH, 1);

        Date startDate = startCalendar.getTime();

        // Setze die Uhrzeit auf 23:59:59.999
        Calendar endCalendar = Calendar.getInstance();
        endCalendar.setTime(dueDate);
        endCalendar.set(Calendar.HOUR_OF_DAY, 23);
        endCalendar.set(Calendar.MINUTE, 59);
        endCalendar.set(Calendar.SECOND, 59);
        endCalendar.set(Calendar.MILLISECOND, 999);
        endCalendar.set(Calendar.DAY_OF_MONTH, 1);
        endCalendar.add(Calendar.MONTH, 1);
        endCalendar.add(Calendar.DAY_OF_MONTH, -1);

        Date endDate = endCalendar.getTime();
        SimpleDateFormat dateformat = new SimpleDateFormat("yyyyMMddHHmm");
        String dateRange = "[" + dateformat.format(startDate) + " TO "
                + dateformat.format(endDate) + "]";

        return dateRange;
    }
}