/*
 * 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.usergrid.persistence.index.impl;


import java.util.Arrays;
import java.util.UUID;

import org.elasticsearch.action.bulk.BulkRequestBuilder;
import org.elasticsearch.action.delete.DeleteRequestBuilder;
import org.elasticsearch.client.Client;

import org.apache.usergrid.persistence.core.scope.ApplicationScope;
import org.apache.usergrid.persistence.index.SearchEdge;
import org.apache.usergrid.persistence.model.entity.Id;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonTypeInfo;

import static org.apache.usergrid.persistence.index.impl.IndexingUtils.createIndexDocId;


/**
 * Represent the properties required to build an index request
 */
@JsonTypeInfo( use = JsonTypeInfo.Id.CLASS, include = JsonTypeInfo.As.PROPERTY, property = "@class" )
public class DeIndexOperation implements BatchOperation {

    @JsonProperty
    public String[] indexes;

    @JsonProperty
    public String documentId;


    public DeIndexOperation() {

    }


    public DeIndexOperation( String[] indexes, ApplicationScope applicationScope, SearchEdge searchEdge, Id id,
                             UUID version ) {
        this.indexes = indexes;
        this.documentId = createIndexDocId( applicationScope, id, version, searchEdge );
    }

    public DeIndexOperation( String[] indexes, String docId) {
        this.indexes = indexes;
        this.documentId = docId;
    }


    @Override
    public void doOperation( final Client client, final BulkRequestBuilder bulkRequest ) {


        for ( final String index : indexes ) {
            final DeleteRequestBuilder builder =
                    client.prepareDelete( index, IndexingUtils.ES_ENTITY_TYPE, documentId );
            bulkRequest.add( builder );
        }
    }




    @Override
    public boolean equals( final Object o ) {
        if ( this == o ) {
            return true;
        }
        if ( o == null || getClass() != o.getClass() ) {
            return false;
        }

        final DeIndexOperation that = ( DeIndexOperation ) o;

        if ( !documentId.equals( that.documentId ) ) {
            return false;
        }

        if ( !Arrays.equals( indexes, that.indexes ) ) {
            return false;
        }

        return true;
    }


    @Override
    public int hashCode() {
        int result = Arrays.hashCode( indexes );
        result = 31 * result + documentId.hashCode();
        return result;
    }
}