/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.rest.action.admin.cluster;

import org.elasticsearch.action.admin.cluster.repositories.get.GetRepositoriesRequest;
import org.elasticsearch.client.internal.node.NodeClient;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsFilter;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.Scope;
import org.elasticsearch.rest.ServerlessScope;
import org.elasticsearch.rest.action.RestToXContentListener;

import java.io.IOException;
import java.util.List;
import java.util.Set;

import static org.elasticsearch.rest.RestRequest.Method.GET;
import static org.elasticsearch.rest.RestUtils.getMasterNodeTimeout;

/**
 * Returns repository information
 */
@ServerlessScope(Scope.INTERNAL)
public class RestGetRepositoriesAction extends BaseRestHandler {

    private final SettingsFilter settingsFilter;

    public RestGetRepositoriesAction(SettingsFilter settingsFilter) {
        this.settingsFilter = settingsFilter;
    }

    @Override
    public String getName() {
        return "get_repositories_action";
    }

    @Override
    public List<Route> routes() {
        return List.of(new Route(GET, "/_snapshot"), new Route(GET, "/_snapshot/{repository}"));
    }

    @Override
    public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
        final String[] repositories = request.paramAsStringArray("repository", Strings.EMPTY_ARRAY);
        final var getRepositoriesRequest = new GetRepositoriesRequest(getMasterNodeTimeout(request), repositories);
        getRepositoriesRequest.local(request.paramAsBoolean("local", getRepositoriesRequest.local()));
        settingsFilter.addFilterSettingParams(request);
        return channel -> client.admin().cluster().getRepositories(getRepositoriesRequest, new RestToXContentListener<>(channel));
    }

    @Override
    protected Set<String> responseParams() {
        return Settings.FORMAT_PARAMS;
    }

}