/*
 * 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.
 */

#pragma once

#include <map>
#include <memory>
#include <string>

#include "paimon/common/fs/http_client.h"
#include "paimon/common/fs/object_store_file_system.h"

namespace paimon::s3 {

inline constexpr char kS3RegionOption[] = "s3.region";
inline constexpr char kS3EndpointOption[] = "s3.endpoint";
inline constexpr char kS3PathStyleAccessOption[] = "s3.path-style-access";
inline constexpr char kS3ProfileOption[] = "s3.profile";
inline constexpr char kS3AccessKeyOption[] = "s3.access-key";
inline constexpr char kS3SecretKeyOption[] = "s3.secret-key";
inline constexpr char kS3SessionTokenOption[] = "s3.session.token";

Status ValidateS3Options(const std::map<std::string, std::string>& options);
Result<std::shared_ptr<ObjectStoreClient>> MakeS3ObjectStoreClient(
    const std::map<std::string, std::string>& options, std::shared_ptr<HttpClient> http_client);

class S3FileSystem : public ObjectStoreFileSystem {
 public:
    using ObjectStoreFileSystem::Create;

    static Result<std::unique_ptr<FileSystem>> Create(
        const std::map<std::string, std::string>& options);
    ~S3FileSystem() override = default;

 private:
    explicit S3FileSystem(std::shared_ptr<ObjectStoreClient> client);
};

}  // namespace paimon::s3
