// 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 <filesystem>

#include <map>

#include <memory>

#include <string>

#include <utility>

#include <vector>

#include "common/status.h"

#include "io/fs/file_writer.h"

#include "io/fs/http_file_reader.h"

#include "io/fs/path.h"

#include "io/fs/remote_file_system.h"

#include "service/http/http_client.h"

namespace doris::io {

class HttpFileSystem final : public RemoteFileSystem {

public:

    static Result<std::shared_ptr<HttpFileSystem>> create(

            std::string id, const std::string& uri,

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

    ~HttpFileSystem() override = default;

protected:

    Status file_size_impl(const Path& file, int64_t* file_size) const override;

    Status exists_impl(const Path& path, bool* res) const override;

    Status open_file_internal(const Path& file, FileReaderSPtr* reader,

                              const FileReaderOptions& opts) override;

    Status download_impl(const Path& remote_file, const Path& local_file) override {

        return Status::NotSupported("not supported");

    }

    Status batch_upload_impl(const std::vector<Path>& local_files,

                             const std::vector<Path>& remote_files) override {

        return Status::NotSupported("not supported");

    }

    Status upload_impl(const Path& local_file, const Path& remote_file) override {

        return Status::NotSupported("not supported");

    }

    Status open_file_impl(const Path& file, FileReaderSPtr* reader,

                          const FileReaderOptions* opts) override {

        return Status::NotSupported("not suported");

    }

    Status create_directory_impl(const Path& dir, bool failed_if_exists = false) override {

        return Status::NotSupported("not supported");

    }

    Status delete_file_impl(const Path& file) override {

        return Status::NotSupported("not supported");

    }

    Status batch_delete_impl(const std::vector<Path>& files) override {

        return Status::NotSupported("not supported");

    }

    Status delete_directory_impl(const Path& dir) override {

        return Status::NotSupported("not supported");

    }

    Status create_file_impl(const Path& file, FileWriterPtr* writer,

                            const FileWriterOptions* opts) override {

        return Status::NotSupported("not supported");

    }

    Status list_impl(const Path& dir, bool only_file, std::vector<FileInfo>* files,

                     bool* exists) override {

        return Status::NotSupported("not supported");

    }

    Status rename_impl(const Path& orig_name, const Path& new_name) override {

        return Status::NotSupported("not supported");

    }

private:

    HttpFileSystem(Path&& root_path, std::string id, std::map<std::string, std::string> properties);

    Status _init(const std::string& url);

    std::string _url;

    std::map<std::string, std::string> _properties;

};

} // namespace doris::io