/*
 * Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
 * license agreements.  See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.  Crate 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.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial agreement.
 */

package io.crate.metadata.sys;

import com.google.common.collect.ImmutableMap;
import io.crate.metadata.table.SchemaInfo;
import io.crate.metadata.table.TableInfo;
import org.elasticsearch.cluster.ClusterChangedEvent;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.inject.Singleton;

import javax.annotation.Nonnull;
import java.util.Iterator;

@Singleton
public class SysSchemaInfo implements SchemaInfo {

    public static final String NAME = "sys";
    private final ImmutableMap<String, TableInfo> tableInfos;

    @Inject
    public SysSchemaInfo(ClusterService clusterService) {

        SysNodesTableInfo sysNodesTableInfo = new SysNodesTableInfo(clusterService);

        tableInfos = ImmutableMap.<String, TableInfo>builder()
            .put(SysClusterTableInfo.IDENT.name(), new SysClusterTableInfo(clusterService))
            .put(SysNodesTableInfo.IDENT.name(), sysNodesTableInfo)
            .put(SysShardsTableInfo.IDENT.name(), new SysShardsTableInfo(clusterService, sysNodesTableInfo))
            .put(SysJobsTableInfo.IDENT.name(), new SysJobsTableInfo(clusterService))
            .put(SysJobsLogTableInfo.IDENT.name(), new SysJobsLogTableInfo(clusterService))
            .put(SysOperationsTableInfo.IDENT.name(), new SysOperationsTableInfo(clusterService, sysNodesTableInfo))
            .put(SysOperationsLogTableInfo.IDENT.name(), new SysOperationsLogTableInfo(clusterService))
            .put(SysChecksTableInfo.IDENT.name(), new SysChecksTableInfo(clusterService))
            .put(SysNodeChecksTableInfo.IDENT.name(), new SysNodeChecksTableInfo(clusterService))
            .put(SysRepositoriesTableInfo.IDENT.name(), new SysRepositoriesTableInfo(clusterService))
            .put(SysSnapshotsTableInfo.IDENT.name(), new SysSnapshotsTableInfo(clusterService))
            .put(SysSummitsTableInfo.IDENT.name(), new SysSummitsTableInfo(clusterService))
            .build();
    }

    @Override
    public TableInfo getTableInfo(String name) {
        return tableInfos.get(name);
    }

    @Override
    public String name() {
        return NAME;
    }

    @Override
    public void invalidateTableCache(String tableName) {

    }

    @Override
    @Nonnull
    public Iterator<TableInfo> iterator() {
        return tableInfos.values().iterator();
    }

    @Override
    public void close() throws Exception {

    }

    @Override
    public void update(ClusterChangedEvent event) {

    }
}