/*
 * 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
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.jackrabbit.test.api.version;

import javax.jcr.Node;
import javax.jcr.Property;
import javax.jcr.RepositoryException;
import javax.jcr.Value;
import javax.jcr.version.Version;
import javax.jcr.version.VersionManager;

/**
 * <code>MergeCancelMergeTest</code> contains tests dealing with nodes on which
 * cancelMerge is called.
 *
 */
public class MergeCancelMergeTest extends AbstractMergeTest {

    /**
     * node to merge
     */
    Node nodeToMerge;

    protected void setUp() throws Exception {
        super.setUp();

        nodeToMerge = testRootNodeW2.getNode(nodeName1);
        // node has to be checked out while merging
        VersionManager versionManager = nodeToMerge.getSession().getWorkspace().getVersionManager();
        versionManager.checkout(nodeToMerge.getPath());
    }

    protected void tearDown() throws Exception {
        nodeToMerge = null;
        super.tearDown();
    }

    /**
     * Merge.cancelMerge(V): has the effect of removing the reference to V' from
     * the jcr:mergeFailed property of N. <br> without adding it to
     * jcr:predecessors.<br> Branches will not be joined.<br>
     */
    @SuppressWarnings("deprecation")
    public void testMergeNodeCancelMerge() throws RepositoryException {
        // create 2 independent versions for a node and its corresponding node
        // so merge fails for this node

        // default workspace
        Node originalNode = testRootNode.getNode(nodeName1);
        originalNode.checkout();
        originalNode.checkin();

        // second workspace
        nodeToMerge.checkin();

        // "merge" the clonedNode with the newNode from the default workspace
        nodeToMerge.checkout();
        nodeToMerge.merge(workspace.getName(), true);

        // get predecessors
        Version[] predecessors = nodeToMerge.getBaseVersion().getPredecessors();
        // get mergeFailed property
        Property mergeFailedProperty = nodeToMerge.getProperty(jcrMergeFailed);
        Value[] mergeFailedReferences = mergeFailedProperty.getValues();

        for (int i = 0; i < mergeFailedReferences.length; i++) {
            String uuid = mergeFailedReferences[i].getString();
            nodeToMerge.cancelMerge((Version) superuser.getNodeByUUID(uuid));
        }

        // check predecessors - unchanged
        Version[] predecessorsAfterCancel = nodeToMerge.getBaseVersion().getPredecessors();
        assertTrue(predecessors.length == predecessorsAfterCancel.length);

        // check mergeFailed property - reference removed
        if (nodeToMerge.hasProperty(jcrMergeFailed)) {
            Property mergeFailedPropertyAfterCancelMerge = nodeToMerge.getProperty(jcrMergeFailed);
            Value[] mergeFailedReferencesAfterCancelMerge = mergeFailedPropertyAfterCancelMerge.getValues();
            assertTrue(mergeFailedReferences.length > mergeFailedReferencesAfterCancelMerge.length);
        }
    }

    /**
     * initialize a versionable node on default and second workspace
     */
    protected void initNodes() throws RepositoryException {

        VersionManager versionManager = testRootNode.getSession().getWorkspace().getVersionManager();

        // create a versionable node
        // nodeName1
        Node topVNode = testRootNode.addNode(nodeName1, versionableNodeType);
        topVNode.setProperty(propertyName1, topVNode.getName());
        String path = topVNode.getPath();

        // save default workspace
        testRootNode.getSession().save();
        versionManager.checkin(path);
        versionManager.checkout(path);

        log.println("test nodes created successfully on " + workspace.getName());

        // clone the newly created node from src workspace into second workspace
        workspaceW2.clone(workspace.getName(), topVNode.getPath(), topVNode.getPath(), true);
        log.println(topVNode.getPath() + " cloned on " + superuserW2.getWorkspace().getName() + " at " + topVNode.getPath());

        testRootNodeW2 = (Node) superuserW2.getItem(testRoot);
    }

    /**
     * Merge.cancelMerge(V): has the effect of removing the reference to V' from
     * the jcr:mergeFailed property of N. <br> without adding it to
     * jcr:predecessors.<br> Branches will not be joined.<br>
     */
    public void testMergeNodeCancelMergeJcr2() throws RepositoryException {
        // create 2 independent versions for a node and its corresponding node
        // so merge fails for this node
    
        // default workspace
        Node originalNode = testRootNode.getNode(nodeName1);
        VersionManager vmWsp1 = originalNode.getSession().getWorkspace().getVersionManager();
        String originalPath = originalNode.getPath();
        vmWsp1.checkout(originalPath);
        vmWsp1.checkin(originalPath);
    
        // second workspace
        VersionManager vmWsp2 = nodeToMerge.getSession().getWorkspace().getVersionManager();
        String path = nodeToMerge.getPath();
        vmWsp2.checkin(path);
    
        // "merge" the clonedNode with the newNode from the default workspace
        vmWsp2.checkout(path);
        vmWsp2.merge(path, workspace.getName(), true);
    
        // get predecessors
        Version[] predecessors = vmWsp2.getBaseVersion(path).getPredecessors();
        // get mergeFailed property
        Property mergeFailedProperty = nodeToMerge.getProperty(jcrMergeFailed);
        Value[] mergeFailedReferences = mergeFailedProperty.getValues();
    
        for (int i = 0; i < mergeFailedReferences.length; i++) {
            String id = mergeFailedReferences[i].getString();
            vmWsp2.cancelMerge(path, (Version) superuser.getNodeByIdentifier(id));
        }
    
        // check predecessors - unchanged
        Version[] predecessorsAfterCancel = vmWsp2.getBaseVersion(path).getPredecessors();
        assertTrue(predecessors.length == predecessorsAfterCancel.length);
    
        // check mergeFailed property - reference removed
        if (nodeToMerge.hasProperty(jcrMergeFailed)) {
            Property mergeFailedPropertyAfterCancelMerge = nodeToMerge.getProperty(jcrMergeFailed);
            Value[] mergeFailedReferencesAfterCancelMerge = mergeFailedPropertyAfterCancelMerge.getValues();
            assertTrue(mergeFailedReferences.length > mergeFailedReferencesAfterCancelMerge.length);
        }
    }
}
