/*
 * 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.streampipes.storage.couchdb.impl;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.streampipes.model.connect.adapter.AdapterDescription;
import org.apache.streampipes.storage.api.IAdapterStorage;
import org.apache.streampipes.storage.couchdb.dao.AbstractDao;
import org.apache.streampipes.storage.couchdb.dao.DbCommand;
import org.apache.streampipes.storage.couchdb.dao.FindCommand;
import org.apache.streampipes.storage.couchdb.utils.Utils;

import java.util.List;
import java.util.Optional;

public class AdapterInstanceStorageImpl extends AbstractDao<AdapterDescription> implements IAdapterStorage {

    Logger LOG = LoggerFactory.getLogger(AdapterInstanceStorageImpl.class);

    private static final String SYSTEM_USER = "system";

    public AdapterInstanceStorageImpl() {
        super(Utils::getCouchDbAdapterInstanceClient, AdapterDescription.class);
    }

    @Override
    public List<AdapterDescription> getAllAdapters() {
        return findAll();
    }

    @Override
    public String storeAdapter(AdapterDescription adapter) {
        return persist(adapter).b;
    }

    @Override
    public void updateAdapter(AdapterDescription adapter) {
        couchDbClientSupplier.get().update(adapter);
    }

    @Override
    public AdapterDescription getAdapter(String adapterId) {
        DbCommand<Optional<AdapterDescription>, AdapterDescription> cmd = new FindCommand<>(couchDbClientSupplier, adapterId, AdapterDescription.class);
        return cmd.execute().orElse(null);
    }

    @Override
    public void deleteAdapter(String adapterId) {

        AdapterDescription adapterDescription = getAdapter(adapterId);
        couchDbClientSupplier.get().remove(adapterDescription.getElementId(), adapterDescription.getRev());

    }
}
