// 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 "cloud/cloud_tablet.h"

#include "common/status.h"

#include "runtime/snapshot_loader.h"

#include "storage/storage_policy.h"

namespace doris {

#include "common/compile_check_begin.h"

class CloudStorageEngine;

class CloudSnapshotLoader : public BaseSnapshotLoader {

public:

    CloudSnapshotLoader(CloudStorageEngine& engine, ExecEnv* env, int64_t job_id, int64_t task_id,

                        const TNetworkAddress& broker_addr = {},

                        const std::map<std::string, std::string>& broker_prop = {});

    ~CloudSnapshotLoader() override {};

    io::RemoteFileSystemSPtr storage_fs();

    Status init(TStorageBackendType::type type, const std::string& location, std::string vault_id);

    Status upload(const std::map<std::string, std::string>& src_to_dest_path,

                  std::map<int64_t, std::vector<std::string>>* tablet_files) override;

    Status download(const std::map<std::string, std::string>& src_to_dest_path,

                    std::vector<int64_t>* downloaded_tablet_ids) override;

protected:

    std::optional<StorageResource> _storage_resource;

private:

    CloudStorageEngine& _engine;

};

#include "common/compile_check_end.h"

} // end namespace doris