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/*
 * DISCLAIMER
 *
 * Copyright 2016 ArangoDB GmbH, Cologne, Germany
 *
 * Licensed 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.
 *
 * Copyright holder is ArangoDB GmbH, Cologne, Germany
 */

package com.arangodb.async.internal;

import com.arangodb.async.ArangoEdgeCollectionAsync;
import com.arangodb.async.ArangoGraphAsync;
import com.arangodb.async.ArangoVertexCollectionAsync;
import com.arangodb.entity.EdgeDefinition;
import com.arangodb.entity.GraphEntity;
import com.arangodb.internal.InternalArangoGraph;
import com.arangodb.model.GraphCreateOptions;
import com.arangodb.model.VertexCollectionCreateOptions;

import java.util.Collection;
import java.util.Objects;
import java.util.concurrent.CompletableFuture;

/**
 * @author Mark Vollmary
 */
public class ArangoGraphAsyncImpl
        extends InternalArangoGraph
        implements ArangoGraphAsync {

    ArangoGraphAsyncImpl(final ArangoDatabaseAsyncImpl db, final String name) {
        super(db, name);
    }

    @Override
    public CompletableFuture exists() {
        return getInfo().thenApply(Objects::nonNull).exceptionally(Objects::isNull);
    }

    @Override
    public CompletableFuture create(final Collection edgeDefinitions) {
        return db().createGraph(name(), edgeDefinitions);
    }

    @Override
    public CompletableFuture createGraph(
            final Collection edgeDefinitions,
            final GraphCreateOptions options) {
        return db().createGraph(name(), edgeDefinitions, options);
    }

    @Override
    public CompletableFuture drop() {
        return executor.execute(dropRequest(), Void.class);
    }

    @Override
    public CompletableFuture drop(boolean dropCollections) {
        return executor.execute(dropRequest(dropCollections), Void.class);
    }

    @Override
    public CompletableFuture getInfo() {
        return executor.execute(getInfoRequest(), getInfoResponseDeserializer());
    }

    @Override
    public CompletableFuture> getVertexCollections() {
        return executor.execute(getVertexCollectionsRequest(), getVertexCollectionsResponseDeserializer());
    }

    @Override
    public CompletableFuture addVertexCollection(final String name) {
        return addVertexCollection(name, new VertexCollectionCreateOptions());
    }

    @Override
    public CompletableFuture addVertexCollection(final String name,
                                                              final VertexCollectionCreateOptions options) {
        return executor.execute(addVertexCollectionRequest(name, options), addVertexCollectionResponseDeserializer());
    }

    @Override
    public ArangoVertexCollectionAsync vertexCollection(final String name) {
        return new ArangoVertexCollectionAsyncImpl(this, name);
    }

    @Override
    public ArangoEdgeCollectionAsync edgeCollection(final String name) {
        return new ArangoEdgeCollectionAsyncImpl(this, name);
    }

    @Override
    public CompletableFuture> getEdgeDefinitions() {
        return executor.execute(getEdgeDefinitionsRequest(), getEdgeDefinitionsDeserializer());
    }

    @Override
    public CompletableFuture addEdgeDefinition(final EdgeDefinition definition) {
        return executor.execute(addEdgeDefinitionRequest(definition), addEdgeDefinitionResponseDeserializer());
    }

    @Override
    public CompletableFuture replaceEdgeDefinition(final EdgeDefinition definition) {
        return executor.execute(replaceEdgeDefinitionRequest(definition), replaceEdgeDefinitionResponseDeserializer());
    }

    @Override
    public CompletableFuture removeEdgeDefinition(final String definitionName) {
        return executor.execute(removeEdgeDefinitionRequest(definitionName),
                removeEdgeDefinitionResponseDeserializer());
    }
}