/*
 * 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.chemistry.opencmis.bridge;

import java.io.Serializable;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.chemistry.opencmis.commons.data.Ace;
import org.apache.chemistry.opencmis.commons.data.Acl;
import org.apache.chemistry.opencmis.commons.data.AllowableActions;
import org.apache.chemistry.opencmis.commons.data.BulkUpdateObjectIdAndChangeToken;
import org.apache.chemistry.opencmis.commons.data.ContentStream;
import org.apache.chemistry.opencmis.commons.data.ExtensionsData;
import org.apache.chemistry.opencmis.commons.data.FailedToDeleteData;
import org.apache.chemistry.opencmis.commons.data.ObjectData;
import org.apache.chemistry.opencmis.commons.data.ObjectInFolderContainer;
import org.apache.chemistry.opencmis.commons.data.ObjectInFolderList;
import org.apache.chemistry.opencmis.commons.data.ObjectList;
import org.apache.chemistry.opencmis.commons.data.ObjectParentData;
import org.apache.chemistry.opencmis.commons.data.Properties;
import org.apache.chemistry.opencmis.commons.data.RenditionData;
import org.apache.chemistry.opencmis.commons.data.RepositoryInfo;
import org.apache.chemistry.opencmis.commons.definitions.TypeDefinition;
import org.apache.chemistry.opencmis.commons.definitions.TypeDefinitionContainer;
import org.apache.chemistry.opencmis.commons.definitions.TypeDefinitionList;
import org.apache.chemistry.opencmis.commons.enums.AclPropagation;
import org.apache.chemistry.opencmis.commons.enums.IncludeRelationships;
import org.apache.chemistry.opencmis.commons.enums.RelationshipDirection;
import org.apache.chemistry.opencmis.commons.enums.UnfileObject;
import org.apache.chemistry.opencmis.commons.enums.VersioningState;
import org.apache.chemistry.opencmis.commons.impl.dataobjects.AccessControlListImpl;
import org.apache.chemistry.opencmis.commons.impl.server.AbstractCmisService;
import org.apache.chemistry.opencmis.commons.server.CallContext;
import org.apache.chemistry.opencmis.commons.server.ObjectInfo;
import org.apache.chemistry.opencmis.commons.spi.AclService;
import org.apache.chemistry.opencmis.commons.spi.DiscoveryService;
import org.apache.chemistry.opencmis.commons.spi.Holder;
import org.apache.chemistry.opencmis.commons.spi.MultiFilingService;
import org.apache.chemistry.opencmis.commons.spi.NavigationService;
import org.apache.chemistry.opencmis.commons.spi.ObjectService;
import org.apache.chemistry.opencmis.commons.spi.PolicyService;
import org.apache.chemistry.opencmis.commons.spi.RelationshipService;
import org.apache.chemistry.opencmis.commons.spi.RepositoryService;
import org.apache.chemistry.opencmis.commons.spi.VersioningService;
import org.apache.chemistry.opencmis.server.support.wrapper.CallContextAwareCmisService;

/**
 * Forwards incoming calls to a CMIS repository.
 */
public abstract class FilterCmisService extends AbstractCmisService implements CallContextAwareCmisService,
        Serializable {

    private static final long serialVersionUID = 1L;

    private CallContext context;

    /**
     * Called after the object has been created.
     * 
     * @param parameters
     *            the parameters provided to bridge service factory
     */
    public void init(Map<String, String> parameters) {
    }

    /**
     * Called at the beginning of a request.
     */
    @Override
    public void setCallContext(CallContext context) {
        this.context = context;
    }

    /**
     * Returns the current call context.
     */
    @Override
    public CallContext getCallContext() {
        return context;
    }

    /**
     * Returns a client repository service.
     */
    public abstract RepositoryService getRepositoryService();

    /**
     * Returns a client navigation service.
     */
    public abstract NavigationService getNavigationService();

    /**
     * Returns a client object service.
     */
    public abstract ObjectService getObjectService();

    /**
     * Returns a client versioning service.
     */
    public abstract VersioningService getVersioningService();

    /**
     * Returns a client discovery service.
     */
    public abstract DiscoveryService getDiscoveryService();

    /**
     * Returns a client multifiling service.
     */
    public abstract MultiFilingService getMultiFilingService();

    /**
     * Returns a client relationship service.
     */
    public abstract RelationshipService getRelationshipService();

    /**
     * Returns a client ACL service.
     */
    public abstract AclService getAclService();

    /**
     * Returns a client policy service.
     */
    public abstract PolicyService getPolicyService();

    @Override
    public RepositoryInfo getRepositoryInfo(String repositoryId, ExtensionsData extension) {
        return getRepositoryService().getRepositoryInfo(repositoryId, extension);
    }

    @Override
    public List<RepositoryInfo> getRepositoryInfos(ExtensionsData extension) {
        return getRepositoryService().getRepositoryInfos(extension);
    }

    @Override
    public TypeDefinitionList getTypeChildren(String repositoryId, String typeId, Boolean includePropertyDefinitions,
            BigInteger maxItems, BigInteger skipCount, ExtensionsData extension) {
        return getRepositoryService().getTypeChildren(repositoryId, typeId, includePropertyDefinitions, maxItems,
                skipCount, extension);
    }

    @Override
    public List<TypeDefinitionContainer> getTypeDescendants(String repositoryId, String typeId, BigInteger depth,
            Boolean includePropertyDefinitions, ExtensionsData extension) {
        return getRepositoryService().getTypeDescendants(repositoryId, typeId, depth, includePropertyDefinitions,
                extension);
    }

    @Override
    public TypeDefinition getTypeDefinition(String repositoryId, String typeId, ExtensionsData extension) {
        return getRepositoryService().getTypeDefinition(repositoryId, typeId, extension);
    }

    @Override
    public TypeDefinition createType(String repositoryId, TypeDefinition type, ExtensionsData extension) {
        return getRepositoryService().createType(repositoryId, type, extension);
    }

    @Override
    public TypeDefinition updateType(String repositoryId, TypeDefinition type, ExtensionsData extension) {
        return getRepositoryService().updateType(repositoryId, type, extension);
    }

    @Override
    public void deleteType(String repositoryId, String typeId, ExtensionsData extension) {
        getRepositoryService().deleteType(repositoryId, typeId, extension);
    }

    @Override
    public ObjectInFolderList getChildren(String repositoryId, String folderId, String filter, String orderBy,
            Boolean includeAllowableActions, IncludeRelationships includeRelationships, String renditionFilter,
            Boolean includePathSegment, BigInteger maxItems, BigInteger skipCount, ExtensionsData extension) {
        return getNavigationService().getChildren(repositoryId, folderId, filter, orderBy, includeAllowableActions,
                includeRelationships, renditionFilter, includePathSegment, maxItems, skipCount, extension);
    }

    @Override
    public List<ObjectInFolderContainer> getDescendants(String repositoryId, String folderId, BigInteger depth,
            String filter, Boolean includeAllowableActions, IncludeRelationships includeRelationships,
            String renditionFilter, Boolean includePathSegment, ExtensionsData extension) {
        return getNavigationService().getDescendants(repositoryId, folderId, depth, filter, includeAllowableActions,
                includeRelationships, renditionFilter, includePathSegment, extension);
    }

    @Override
    public List<ObjectInFolderContainer> getFolderTree(String repositoryId, String folderId, BigInteger depth,
            String filter, Boolean includeAllowableActions, IncludeRelationships includeRelationships,
            String renditionFilter, Boolean includePathSegment, ExtensionsData extension) {
        return getNavigationService().getFolderTree(repositoryId, folderId, depth, filter, includeAllowableActions,
                includeRelationships, renditionFilter, includePathSegment, extension);
    }

    @Override
    public List<ObjectParentData> getObjectParents(String repositoryId, String objectId, String filter,
            Boolean includeAllowableActions, IncludeRelationships includeRelationships, String renditionFilter,
            Boolean includeRelativePathSegment, ExtensionsData extension) {
        return getNavigationService().getObjectParents(repositoryId, objectId, filter, includeAllowableActions,
                includeRelationships, renditionFilter, includeRelativePathSegment, extension);
    }

    @Override
    public ObjectData getFolderParent(String repositoryId, String folderId, String filter, ExtensionsData extension) {
        return getNavigationService().getFolderParent(repositoryId, folderId, filter, extension);
    }

    @Override
    public ObjectList getCheckedOutDocs(String repositoryId, String folderId, String filter, String orderBy,
            Boolean includeAllowableActions, IncludeRelationships includeRelationships, String renditionFilter,
            BigInteger maxItems, BigInteger skipCount, ExtensionsData extension) {
        return getNavigationService().getCheckedOutDocs(repositoryId, folderId, filter, orderBy,
                includeAllowableActions, includeRelationships, renditionFilter, maxItems, skipCount, extension);
    }

    @Override
    public String create(String repositoryId, Properties properties, String folderId, ContentStream contentStream,
            VersioningState versioningState, List<String> policies, ExtensionsData extension) {
        return super.create(repositoryId, properties, folderId, contentStream, versioningState, policies, extension);
    }

    @Override
    public String createDocument(String repositoryId, Properties properties, String folderId,
            ContentStream contentStream, VersioningState versioningState, List<String> policies, Acl addAces,
            Acl removeAces, ExtensionsData extension) {
        return getObjectService().createDocument(repositoryId, properties, folderId, contentStream, versioningState,
                policies, addAces, removeAces, extension);
    }

    @Override
    public String createDocumentFromSource(String repositoryId, String sourceId, Properties properties,
            String folderId, VersioningState versioningState, List<String> policies, Acl addAces, Acl removeAces,
            ExtensionsData extension) {
        return getObjectService().createDocumentFromSource(repositoryId, sourceId, properties, folderId,
                versioningState, policies, addAces, removeAces, extension);
    }

    @Override
    public String createFolder(String repositoryId, Properties properties, String folderId, List<String> policies,
            Acl addAces, Acl removeAces, ExtensionsData extension) {
        return getObjectService().createFolder(repositoryId, properties, folderId, policies, addAces, removeAces,
                extension);
    }

    @Override
    public String createRelationship(String repositoryId, Properties properties, List<String> policies, Acl addAces,
            Acl removeAces, ExtensionsData extension) {
        return getObjectService()
                .createRelationship(repositoryId, properties, policies, addAces, removeAces, extension);
    }

    @Override
    public String createPolicy(String repositoryId, Properties properties, String folderId, List<String> policies,
            Acl addAces, Acl removeAces, ExtensionsData extension) {
        return getObjectService().createPolicy(repositoryId, properties, folderId, policies, addAces, removeAces,
                extension);
    }

    @Override
    public String createItem(String repositoryId, Properties properties, String folderId, List<String> policies,
            Acl addAces, Acl removeAces, ExtensionsData extension) {
        return getObjectService().createItem(repositoryId, properties, folderId, policies, addAces, removeAces,
                extension);
    }

    @Override
    public AllowableActions getAllowableActions(String repositoryId, String objectId, ExtensionsData extension) {
        return getObjectService().getAllowableActions(repositoryId, objectId, extension);
    }

    @Override
    public ObjectData getObject(String repositoryId, String objectId, String filter, Boolean includeAllowableActions,
            IncludeRelationships includeRelationships, String renditionFilter, Boolean includePolicyIds,
            Boolean includeAcl, ExtensionsData extension) {
        return getObjectService().getObject(repositoryId, objectId, filter, includeAllowableActions,
                includeRelationships, renditionFilter, includePolicyIds, includeAcl, extension);
    }

    @Override
    public Properties getProperties(String repositoryId, String objectId, String filter, ExtensionsData extension) {
        return getObjectService().getProperties(repositoryId, objectId, filter, extension);
    }

    @Override
    public List<RenditionData> getRenditions(String repositoryId, String objectId, String renditionFilter,
            BigInteger maxItems, BigInteger skipCount, ExtensionsData extension) {
        return getObjectService()
                .getRenditions(repositoryId, objectId, renditionFilter, maxItems, skipCount, extension);
    }

    @Override
    public ObjectData getObjectByPath(String repositoryId, String path, String filter, Boolean includeAllowableActions,
            IncludeRelationships includeRelationships, String renditionFilter, Boolean includePolicyIds,
            Boolean includeAcl, ExtensionsData extension) {
        return getObjectService().getObjectByPath(repositoryId, path, filter, includeAllowableActions,
                includeRelationships, renditionFilter, includePolicyIds, includeAcl, extension);
    }

    @Override
    public ContentStream getContentStream(String repositoryId, String objectId, String streamId, BigInteger offset,
            BigInteger length, ExtensionsData extension) {
        return getObjectService().getContentStream(repositoryId, objectId, streamId, offset, length, extension);
    }

    @Override
    public void updateProperties(String repositoryId, Holder<String> objectId, Holder<String> changeToken,
            Properties properties, ExtensionsData extension) {
        getObjectService().updateProperties(repositoryId, objectId, changeToken, properties, extension);
    }

    @Override
    public List<BulkUpdateObjectIdAndChangeToken> bulkUpdateProperties(String repositoryId,
            List<BulkUpdateObjectIdAndChangeToken> objectIdAndChangeToken, Properties properties,
            List<String> addSecondaryTypeIds, List<String> removeSecondaryTypeIds, ExtensionsData extension) {
        return getObjectService().bulkUpdateProperties(repositoryId, objectIdAndChangeToken, properties,
                addSecondaryTypeIds, removeSecondaryTypeIds, extension);
    }

    @Override
    public void moveObject(String repositoryId, Holder<String> objectId, String targetFolderId, String sourceFolderId,
            ExtensionsData extension) {
        getObjectService().moveObject(repositoryId, objectId, targetFolderId, sourceFolderId, extension);
    }

    @Override
    public void deleteObject(String repositoryId, String objectId, Boolean allVersions, ExtensionsData extension) {
        getObjectService().deleteObject(repositoryId, objectId, allVersions, extension);
    }

    @Override
    public void deleteObjectOrCancelCheckOut(String repositoryId, String objectId, Boolean allVersions,
            ExtensionsData extension) {
        // TODO: rework -> object cache
        getObjectService().deleteObject(repositoryId, objectId, allVersions, extension);
    }

    @Override
    public FailedToDeleteData deleteTree(String repositoryId, String folderId, Boolean allVersions,
            UnfileObject unfileObjects, Boolean continueOnFailure, ExtensionsData extension) {
        return getObjectService().deleteTree(repositoryId, folderId, allVersions, unfileObjects, continueOnFailure,
                extension);
    }

    @Override
    public void setContentStream(String repositoryId, Holder<String> objectId, Boolean overwriteFlag,
            Holder<String> changeToken, ContentStream contentStream, ExtensionsData extension) {
        getObjectService().setContentStream(repositoryId, objectId, overwriteFlag, changeToken, contentStream,
                extension);
    }

    @Override
    public void appendContentStream(String repositoryId, Holder<String> objectId, Holder<String> changeToken,
            ContentStream contentStream, boolean isLastChunk, ExtensionsData extension) {
        getObjectService().appendContentStream(repositoryId, objectId, changeToken, contentStream, isLastChunk,
                extension);
    }

    @Override
    public void deleteContentStream(String repositoryId, Holder<String> objectId, Holder<String> changeToken,
            ExtensionsData extension) {
        getObjectService().deleteContentStream(repositoryId, objectId, changeToken, extension);
    }

    @Override
    public void checkOut(String repositoryId, Holder<String> objectId, ExtensionsData extension,
            Holder<Boolean> contentCopied) {
        getVersioningService().checkOut(repositoryId, objectId, extension, contentCopied);
    }

    @Override
    public void cancelCheckOut(String repositoryId, String objectId, ExtensionsData extension) {
        getVersioningService().cancelCheckOut(repositoryId, objectId, extension);
    }

    @Override
    public void checkIn(String repositoryId, Holder<String> objectId, Boolean major, Properties properties,
            ContentStream contentStream, String checkinComment, List<String> policies, Acl addAces, Acl removeAces,
            ExtensionsData extension) {
        getVersioningService().checkIn(repositoryId, objectId, major, properties, contentStream, checkinComment,
                policies, addAces, removeAces, extension);
    }

    @Override
    public ObjectData getObjectOfLatestVersion(String repositoryId, String objectId, String versionSeriesId,
            Boolean major, String filter, Boolean includeAllowableActions, IncludeRelationships includeRelationships,
            String renditionFilter, Boolean includePolicyIds, Boolean includeAcl, ExtensionsData extension) {
        return getVersioningService()
                .getObjectOfLatestVersion(repositoryId, objectId, versionSeriesId, major, filter,
                        includeAllowableActions, includeRelationships, renditionFilter, includePolicyIds, includeAcl,
                        extension);
    }

    @Override
    public Properties getPropertiesOfLatestVersion(String repositoryId, String objectId, String versionSeriesId,
            Boolean major, String filter, ExtensionsData extension) {
        return getVersioningService().getPropertiesOfLatestVersion(repositoryId, objectId, versionSeriesId, major,
                filter, extension);
    }

    @Override
    public List<ObjectData> getAllVersions(String repositoryId, String objectId, String versionSeriesId, String filter,
            Boolean includeAllowableActions, ExtensionsData extension) {
        return getVersioningService().getAllVersions(repositoryId, objectId, versionSeriesId, filter,
                includeAllowableActions, extension);
    }

    @Override
    public ObjectList getContentChanges(String repositoryId, Holder<String> changeLogToken, Boolean includeProperties,
            String filter, Boolean includePolicyIds, Boolean includeAcl, BigInteger maxItems, ExtensionsData extension) {
        return getDiscoveryService().getContentChanges(repositoryId, changeLogToken, includeProperties, filter,
                includePolicyIds, includeAcl, maxItems, extension);
    }

    @Override
    public ObjectList query(String repositoryId, String statement, Boolean searchAllVersions,
            Boolean includeAllowableActions, IncludeRelationships includeRelationships, String renditionFilter,
            BigInteger maxItems, BigInteger skipCount, ExtensionsData extension) {
        return getDiscoveryService().query(repositoryId, statement, searchAllVersions, includeAllowableActions,
                includeRelationships, renditionFilter, maxItems, skipCount, extension);
    }

    @Override
    public void addObjectToFolder(String repositoryId, String objectId, String folderId, Boolean allVersions,
            ExtensionsData extension) {
        getMultiFilingService().addObjectToFolder(repositoryId, objectId, folderId, allVersions, extension);
    }

    @Override
    public void removeObjectFromFolder(String repositoryId, String objectId, String folderId, ExtensionsData extension) {
        getMultiFilingService().removeObjectFromFolder(repositoryId, objectId, folderId, extension);
    }

    @Override
    public ObjectList getObjectRelationships(String repositoryId, String objectId, Boolean includeSubRelationshipTypes,
            RelationshipDirection relationshipDirection, String typeId, String filter, Boolean includeAllowableActions,
            BigInteger maxItems, BigInteger skipCount, ExtensionsData extension) {
        return getRelationshipService().getObjectRelationships(repositoryId, objectId, includeSubRelationshipTypes,
                relationshipDirection, typeId, filter, includeAllowableActions, maxItems, skipCount, extension);
    }

    @Override
    public Acl applyAcl(String repositoryId, String objectId, Acl addAces, Acl removeAces,
            AclPropagation aclPropagation, ExtensionsData extension) {
        return getAclService().applyAcl(repositoryId, objectId, addAces, removeAces, aclPropagation, extension);
    }

    @Override
    public Acl applyAcl(String repositoryId, String objectId, Acl aces, AclPropagation aclPropagation) {
        Acl orgAcl = getAclService().getAcl(repositoryId, objectId, Boolean.FALSE, null);

        Acl removeAces = null;
        if (orgAcl != null && orgAcl.getAces() != null && !orgAcl.getAces().isEmpty()) {
            List<Ace> directAces = new ArrayList<Ace>();

            for (Ace ace : orgAcl.getAces()) {
                if (ace.isDirect()) {
                    directAces.add(ace);
                }
            }

            if (!directAces.isEmpty()) {
                removeAces = new AccessControlListImpl(directAces);
            }
        }

        return getAclService().applyAcl(repositoryId, objectId, aces, removeAces, aclPropagation, null);
    }

    @Override
    public Acl getAcl(String repositoryId, String objectId, Boolean onlyBasicPermissions, ExtensionsData extension) {
        return getAclService().getAcl(repositoryId, objectId, onlyBasicPermissions, extension);
    }

    @Override
    public void applyPolicy(String repositoryId, String policyId, String objectId, ExtensionsData extension) {
        getPolicyService().applyPolicy(repositoryId, policyId, objectId, extension);
    }

    @Override
    public List<ObjectData> getAppliedPolicies(String repositoryId, String objectId, String filter,
            ExtensionsData extension) {
        return getPolicyService().getAppliedPolicies(repositoryId, objectId, filter, extension);
    }

    @Override
    public void removePolicy(String repositoryId, String policyId, String objectId, ExtensionsData extension) {
        getPolicyService().removePolicy(repositoryId, policyId, objectId, extension);
    }

    @Override
    public ObjectInfo getObjectInfo(String repositoryId, String objectId) {
        // TODO: add intelligent object info cache
        return super.getObjectInfo(repositoryId, objectId);
    }

    @Override
    protected ObjectInfo getObjectInfoIntern(String repositoryId, ObjectData object) {
        // TODO: add intelligent object info cache
        return super.getObjectInfoIntern(repositoryId, object);
    }

    @Override
    public void close() {
        super.close();
        context = null;
    }
}