/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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.elasticsearch.gateway;

import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.ExtensionPoint;

/**
 *
 */
public class GatewayModule extends AbstractModule {

    public static final String GATEWAY_TYPE_KEY = "gateway.type";

    private final ExtensionPoint.SelectedType<Gateway> gatewayTypes = new ExtensionPoint.SelectedType<>("gateway", Gateway.class);
    private final Settings settings;

    public GatewayModule(Settings settings) {
        this.settings = settings;
        registerGatewayType("default", Gateway.class);
    }

    /**
     * Adds a custom Discovery type.
     */
    public void registerGatewayType(String type, Class<? extends Gateway> clazz) {
        gatewayTypes.registerExtension(type, clazz);
    }

    @Override
    protected void configure() {
        bind(MetaStateService.class).asEagerSingleton();
        //bind(DanglingIndicesState.class).asEagerSingleton();
        bind(GatewayService.class).asEagerSingleton();
        gatewayTypes.bindType(binder(), settings, GATEWAY_TYPE_KEY, "default");
        //bind(TransportNodesListGatewayMetaState.class).asEagerSingleton();
        //bind(GatewayMetaState.class).asEagerSingleton();
        //bind(TransportNodesListGatewayStartedShards.class).asEagerSingleton();
        //bind(LocalAllocateDangledIndices.class).asEagerSingleton();
    }
}