/**********************************************************************
 * Copyright (c) by Heiner Jostkleigrewe
 * 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 3 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 should have received a copy of the GNU General Public License along with this program.  If not, 
 * see <http://www.gnu.org/licenses/>.
 * 
 * heiner@jverein.de
 * www.jverein.de
 **********************************************************************/
package de.jost_net.JVerein.gui.action;

import de.jost_net.JVerein.Einstellungen;
import de.jost_net.JVerein.gui.control.BuchungsControl;
import de.jost_net.JVerein.gui.control.BuchungsControl.Kontenfilter;
import de.jost_net.JVerein.gui.dialogs.KontoAuswahlDialog;
import de.jost_net.JVerein.gui.view.BuchungDetailView;
import de.jost_net.JVerein.keys.Kontoart;
import de.jost_net.JVerein.rmi.Buchung;
import de.jost_net.JVerein.rmi.Konto;
import de.willuhn.datasource.rmi.DBIterator;
import de.willuhn.datasource.rmi.DBService;
import de.willuhn.jameica.gui.Action;
import de.willuhn.jameica.gui.GUI;
import de.willuhn.jameica.system.OperationCanceledException;
import de.willuhn.util.ApplicationException;

public class BuchungGegenbuchungAction implements Action
{

  private BuchungsControl control;

  public BuchungGegenbuchungAction(BuchungsControl control)
  {
    this.control = control;
  }

  @Override
  public void handleAction(Object context) throws ApplicationException
  {
    Buchung[] buchungen = null;
    if (context instanceof Buchung)
    {
      buchungen = new Buchung[1];
      buchungen[0] = (Buchung) context;
    }
    else if (context instanceof Buchung[])
    {
      buchungen = (Buchung[]) context;
    }
    if (buchungen == null)
    {
      throw new ApplicationException("Keine Buchung ausgewählt");
    }

    Konto konto = null;
    int count = 0;
    int skip = 0;
    try
    {
      final DBService service = Einstellungen.getDBService();
      for (Buchung b : buchungen)
      {
        DBIterator<Konto> konten = service.createList(Konto.class);
        konten.addFilter("buchungsart = ?", b.getBuchungsartId());
        if (konten.size() > 0)
        {
          konto = (Konto) konten.next();
        }
        if (konto == null && buchungen.length == 1)
        {
          KontoAuswahlDialog d = new KontoAuswahlDialog(
              KontoAuswahlDialog.POSITION_CENTER, false, false, true,
              Kontenfilter.ALLE);
          konto = (Konto) d.open();
        }
        if (konto == null && buchungen.length > 1)
        {
          skip++;
          continue;
        }
        if (konto != null)
        {
          Buchung bu = (Buchung) Einstellungen.getDBService()
              .createObject(Buchung.class, null);
          bu.setKonto(konto);
          bu.setName(b.getName());
          // Bei Anlagenkonto Netto Betrag verwenden
          if (konto.getKontoArt().equals(Kontoart.ANLAGE))
          {
            bu.setBetrag(-b.getNetto());
          }
          else
          {
            bu.setBetrag(-b.getBetrag());
          }
          bu.setZweck(b.getZweck());
          bu.setDatum(b.getDatum());
          if (b.getBuchungsart() != null)
            bu.setBuchungsartId(b.getBuchungsartId());
          if (b.getBuchungsklasse() != null)
            bu.setBuchungsklasseId(b.getBuchungsklasseId());
          if (b.getProjekt() != null)
            bu.setProjektID(b.getProjektID());

          if (buchungen.length > 1)
          {
            bu.store();
            count++;
          }
          else
          {
            GUI.startView(new BuchungDetailView(), bu);
          }
        }
      }
      if (buchungen.length > 1)
      {
        String text = count + " Gegenbuchungen erstellt";
        if (skip > 0)
        {
          text += ", bei " + skip + " Buchungen kein Gegenkonto ermittelbar.";
        }
        GUI.getStatusBar().setSuccessText(text);
        control.refreshBuchungsList();
      }
    }
    catch (OperationCanceledException oce)
    {
      throw oce;
    }
    catch (Exception e)
    {
      GUI.getStatusBar().setErrorText(
          "Fehler beim Erstellen der Gegenbuchung: " + e.getMessage());
    }
  }
}
