/**
 * This file Copyright (c) 2013 Magnolia International
 * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the Magnolia
 * Network Agreement and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or MNA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Magnolia Network Agreement (MNA), this file
 * and the accompanying materials are made available under the
 * terms of the MNA which accompanies this distribution, and
 * is available at http://www.magnolia-cms.com/mna.html
 *
 * Any modifications to this file must keep this entire header
 * intact.
 *
 */
package info.magnolia.jcr.wrapper;

import info.magnolia.jcr.decoration.ContentDecoratorNodeWrapper;
import info.magnolia.repository.RepositoryConstants;

import java.io.InputStream;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;

import javax.jcr.AccessDeniedException;
import javax.jcr.Binary;
import javax.jcr.InvalidItemStateException;
import javax.jcr.ItemExistsException;
import javax.jcr.ItemNotFoundException;
import javax.jcr.Node;
import javax.jcr.PathNotFoundException;
import javax.jcr.Property;
import javax.jcr.ReferentialIntegrityException;
import javax.jcr.RepositoryException;
import javax.jcr.UnsupportedRepositoryOperationException;
import javax.jcr.Value;
import javax.jcr.ValueFormatException;
import javax.jcr.lock.LockException;
import javax.jcr.nodetype.ConstraintViolationException;
import javax.jcr.nodetype.NoSuchNodeTypeException;
import javax.jcr.version.Version;
import javax.jcr.version.VersionException;

/**
 * Wrapper to handle all content modifications necessary for keeping activation up to date.
 */
public class LastUpdateNodeWrapper extends ContentDecoratorNodeWrapper<LastUpdateContentDecorator> {

    private List<String> saveOnSave = new ArrayList<String>();

    public LastUpdateNodeWrapper(Node node, LastUpdateContentDecorator lastUpdateContentDecorator) {
        super(node, lastUpdateContentDecorator);
    }

    @Override
    public Property setProperty(String name, BigDecimal value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, value);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public void setPrimaryType(String nodeTypeName) throws NoSuchNodeTypeException, VersionException, ConstraintViolationException, LockException, RepositoryException {
        super.setPrimaryType(nodeTypeName);
        this.updateLastModified();
    }

    @Override
    public Property setProperty(String name, Binary value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, value);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, boolean value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, value);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, Calendar value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, value);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, double value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, value);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, InputStream value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, value);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, long value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, value);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, Node value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, value);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, String value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, value);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, String value, int type) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, value, type);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, String[] values) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, values);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, String[] values, int type) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, values, type);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, Value value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, value);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, Value value, int type) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, value, type);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, Value[] values) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, values);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Property setProperty(String name, Value[] values, int type) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException {
        final Property prop = super.setProperty(name, values, type);
        this.updateLastModified(prop);
        return prop;
    }

    @Override
    public Node addNode(String relPath) throws ItemExistsException, PathNotFoundException, VersionException, ConstraintViolationException, LockException, RepositoryException {
        Node node = super.addNode(relPath);
        this.updateLastModified();
        return node;
    }

    @Override
    public Node addNode(String relPath, String primaryNodeTypeName) throws ItemExistsException, PathNotFoundException, NoSuchNodeTypeException, LockException, VersionException, ConstraintViolationException, RepositoryException {
        Node node = super.addNode(relPath, primaryNodeTypeName);
        this.updateLastModified();
        return node;
    }

    @Override
    public void orderBefore(String srcChildRelPath, String destChildRelPath) throws UnsupportedRepositoryOperationException, VersionException, ConstraintViolationException, ItemNotFoundException, LockException, RepositoryException {
        super.orderBefore(srcChildRelPath, destChildRelPath);
        String path = this.getPath() + "/" + srcChildRelPath;
        this.updateLastModified(path);
        this.saveOnSave.add(srcChildRelPath);
    }

    @Override
    public void doneMerge(Version version) throws VersionException, InvalidItemStateException, UnsupportedRepositoryOperationException, RepositoryException {
        super.doneMerge(version);
        this.updateLastModified();
    }

    @Override
    public void remove() throws VersionException, LockException, ConstraintViolationException, AccessDeniedException, RepositoryException {
        Node parent = this.getParent();
        super.remove();
        // as insane as it might look we might need to update lud on parent in case this is the component in a page, but not otherwise! (except maybe for data)
        if (RepositoryConstants.WEBSITE.equals(this.getSession().getWorkspace().getName())) {
            getContentDecorator().updateLastModified(parent.getSession(), parent.getPath());
        }
    }

    @Override
    public void restore(String versionName, boolean removeExisting) throws VersionException, ItemExistsException, UnsupportedRepositoryOperationException, LockException, InvalidItemStateException, RepositoryException {
        super.restore(versionName, removeExisting);
        this.updateLastModified();
    }

    @Override
    public void restore(Version version, boolean removeExisting) throws VersionException, ItemExistsException, InvalidItemStateException, UnsupportedRepositoryOperationException, LockException, RepositoryException {
        super.restore(version, removeExisting);
        this.updateLastModified();
    }

    @Override
    public void restore(Version version, String relPath, boolean removeExisting) throws PathNotFoundException, ItemExistsException, VersionException, ConstraintViolationException, UnsupportedRepositoryOperationException, LockException, InvalidItemStateException, RepositoryException {
        super.restore(version, relPath, removeExisting);
        this.updateLastModified();
    }

    @Override
    public void restoreByLabel(String versionLabel, boolean removeExisting) throws VersionException, ItemExistsException, UnsupportedRepositoryOperationException, LockException, InvalidItemStateException, RepositoryException {
        super.restoreByLabel(versionLabel, removeExisting);
        this.updateLastModified();
    }

    @Override
    public void save() throws AccessDeniedException, ItemExistsException, ConstraintViolationException, InvalidItemStateException, ReferentialIntegrityException, VersionException, LockException, NoSuchNodeTypeException, RepositoryException {
        super.save();
        // we modified status of child node. This is not necessary when session.save() is called instead of node.save()
        for (String child : saveOnSave) {
            this.getNode(child).save();
        }
        saveOnSave.clear();
    }

    private void updateLastModified() throws PathNotFoundException, RepositoryException {
        if (this.isNew()) {
            // node itself is not saved, nothing to do
            return;
        }
        getContentDecorator().updateLastModified(this.getSession(), this.getPath());
    }

    private void updateLastModified(String path) throws PathNotFoundException, RepositoryException {
        if (this.isNew()) {
            // node itself is not saved, nothing to do
            return;
        }
        getContentDecorator().updateLastModified(this.getSession(), path);
    }

    private void updateLastModified(Property prop) throws PathNotFoundException, RepositoryException {
        if (this.isNew()) {
            // node itself is not saved, nothing to do
            return;
        }
        getContentDecorator().updateLastModifiedProperty(this.getSession(), prop.getName(), this.getPath());
    }
}