/**
 * Copyright 2009 Red Hat, Inc.
 *
 * 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 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
 */
package org.safehaus.penrose.studio.directory.wizard;

import org.apache.log4j.Logger;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.jface.wizard.Wizard;
import org.safehaus.penrose.directory.EntryConfig;
import org.safehaus.penrose.directory.DirectoryClient;
import org.safehaus.penrose.ldap.DN;
import org.safehaus.penrose.ldap.DNBuilder;
import org.safehaus.penrose.ldap.RDN;
import org.safehaus.penrose.partition.PartitionClient;
import org.safehaus.penrose.partition.PartitionManagerClient;
import org.safehaus.penrose.client.PenroseClient;
import org.safehaus.penrose.studio.attribute.wizard.AttributesWizardPage;
import org.safehaus.penrose.studio.server.Server;
import org.safehaus.penrose.studio.dialog.ErrorDialog;
import org.safehaus.penrose.studio.directory.wizard.EntrySourceWizardPage;

import java.util.Collection;

/**
 * @author Endi S. Dewata
 */
public class EntryWizard extends Wizard {

    Logger log = Logger.getLogger(getClass());

    private Server server;
    private String partitionName;
    private DN parentDn;

    private EntryConfig entryConfig;

    public EntryRDNWizardPage rdnPage;
    public EntryPropertiesWizardPage propertiesPage;
    public ObjectClassWizardPage ocPage;
    public AttributesWizardPage attributePage;
    public EntrySourceWizardPage sourcesPage;

    public EntryWizard() {
        setWindowTitle("Adding entry");
    }

    public void addPages() {

        rdnPage = new EntryRDNWizardPage();
        rdnPage.setDescription("Enter the RDN of the entry.");
        rdnPage.setServer(server);
        rdnPage.setPartitionName(partitionName);
        rdnPage.setParentDn(parentDn);

        addPage(rdnPage);

        propertiesPage = new EntryPropertiesWizardPage();

        propertiesPage.setEntryName(entryConfig.getName());
        propertiesPage.setClassName(entryConfig.getEntryClass());
        propertiesPage.setEnabled(entryConfig.isEnabled());
        propertiesPage.setEntryDescription(entryConfig.getDescription());

        addPage(propertiesPage);

        ocPage = new ObjectClassWizardPage();
        ocPage.setServer(server);

        addPage(ocPage);

        attributePage = new AttributesWizardPage();
        attributePage.setServer(server);
        attributePage.setPartitionName(partitionName);

        addPage(attributePage);

        sourcesPage = new EntrySourceWizardPage();
        sourcesPage.setDescription("Add data sources.");
        sourcesPage.setServer(server);
        sourcesPage.setPartitionName(partitionName);

        addPage(sourcesPage);
    }

    public boolean canFinish() {
        if (!rdnPage.isPageComplete()) return false;
        if (!ocPage.isPageComplete()) return false;
        if (!attributePage.isPageComplete()) return false;
        if (!sourcesPage.isPageComplete()) return false;
        return true;
    }

    public IWizardPage getNextPage(IWizardPage page) {
        try {
            if (rdnPage == page) {
                RDN rdn = rdnPage.getRdn();
                attributePage.setRdn(rdn);

            } else if (ocPage == page) {
                Collection<String> objectClasses = ocPage.getSelectedObjectClasses();
                attributePage.setObjectClasses(objectClasses);
            }

            return super.getNextPage(page);
                
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            throw new RuntimeException(e.getMessage(), e);
        }
    }

    public boolean performFinish() {
        try {
            entryConfig = new EntryConfig();

            DNBuilder db = new DNBuilder();
            db.append(rdnPage.getRdn());
            db.append(parentDn);
            //db.append(rdnPage.getParentDn());
            entryConfig.setDn(db.toDn());

            entryConfig.setEntryClass(propertiesPage.getClassName());

            entryConfig.addObjectClasses(ocPage.getSelectedObjectClasses());
            entryConfig.addAttributeConfigs(attributePage.getAttributeConfigs());
            entryConfig.addSourceConfigs(sourcesPage.getEntrySourceConfigs());

            PenroseClient client = server.getClient();
            PartitionManagerClient partitionManagerClient = client.getPartitionManagerClient();
            PartitionClient partitionClient = partitionManagerClient.getPartitionClient(partitionName);

            DirectoryClient directoryClient = partitionClient.getDirectoryClient();
            directoryClient.createEntry(entryConfig);

            partitionClient.store();

            return true;

        } catch (Exception e) {
            log.error(e.getMessage(), e);
            ErrorDialog.open(e);
            return false;
        }
    }

    public boolean needsPreviousAndNextButtons() {
        return true;
    }

    public EntryConfig getEntryConfig() {
        return entryConfig;
    }

    public void setEntryConfig(EntryConfig entryConfig) {
        this.entryConfig = entryConfig;
    }

    public String getPartitionName() {
        return partitionName;
    }

    public void setPartitionName(String partitionName) {
        this.partitionName = partitionName;
    }

    public Server getServer() {
        return server;
    }

    public void setServer(Server server) {
        this.server = server;
    }

    public DN getParentDn() {
        return parentDn;
    }

    public void setParentDn(DN parentDn) {
        this.parentDn = parentDn;
    }
}