// 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 <string>

#include <string_view>

#include "common/status.h"

#include "util/string_util.h"

namespace doris {

// S3URI can handle following input:

// 1. s3://bucket_name/path/to/file.txt

//      bucket: bucket_num

//      key: path/to/file.txt

// 2. path/to/file.txt

//      bucket: ""

//      key: path/to/file.txt

// 3. abfss://container@account.dfs.core.windows.net/path/to/file.txt

//      bucket: container

//      key: path/to/file.txt

//      endpoint: account.dfs.core.windows.net

//      account: account

//

// Azure Data Lake locations intentionally retain their original URI form.  The

// object-storage factory uses the parsed endpoint/account to construct the

// native Azure client; they are not routed through the Hadoop filesystem.

class S3URI {

public:

    S3URI(const std::string& location) : _location(location) {}

    // Azure SDK blob-name APIs encode their argument. Iceberg ADLSLocation passes

    // ABFS/WASB names literally, so percent-decode only HTTP(S) Azure URL paths.

    // Keep the old S3/raw-key contract. The provider flag also covers custom hosts.

    Status parse(bool azure_provider = false);

    const std::string& get_bucket() const { return _bucket; }

    const std::string& get_key() const { return _key; }

    // The authority host, when present.  For Azure ABFS/WASB paths this is the

    // account host (for example account.dfs.core.windows.net).

    const std::string& get_endpoint() const { return _endpoint; }

    // The storage account name parsed from an Azure authority.

    const std::string& get_account() const { return _account; }

    const std::string& get_scheme() const { return _scheme; }

    bool is_azure() const { return _is_azure; }

    static bool is_azure_endpoint(std::string_view authority);

    const std::string& get_location() const { return _location; }

    std::string to_string() const;

private:

    Status _parse_authority(const std::string& scheme, const std::string& rest,

                            bool azure_provider);

    Status _parsing_error(std::string_view message, bool azure_provider) const;

    static const std::string _SCHEME_S3;

    static const std::string _SCHEME_ABFS;

    static const std::string _SCHEME_ABFSS;

    static const std::string _SCHEME_WASB;

    static const std::string _SCHEME_WASBS;

    static const std::string _SCHEME_HTTP;

    static const std::string _SCHEME_HTTPS;

    static const std::string _SCHEME_DELIM;

    static const std::string _PATH_DELIM;

    static const std::string _QUERY_DELIM;

    static const std::string _FRAGMENT_DELIM;

    static const StringCaseSet _VALID_SCHEMES;

    std::string _location;

    std::string _scheme;

    std::string _bucket;

    std::string _key;

    std::string _endpoint;

    std::string _account;

    bool _is_azure = false;

};

} // end namespace doris