// Licensed to the Apache Software Foundation (ASF) under one

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// 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.

#include "storage/rowset/rowset_factory.h"

#include <gen_cpp/olap_file.pb.h>

#include <memory>

#include "cloud/cloud_rowset_writer.h"

#include "cloud/config.h"

#include "io/fs/file_writer.h" // IWYU pragma: keep

#include "runtime/exec_env.h"

#include "storage/rowset/beta_rowset.h"

#include "storage/rowset/beta_rowset_writer.h"

#include "storage/rowset/group_rowset_writer.h"

#include "storage/rowset/rowset_writer.h"

#include "storage/rowset/rowset_writer_context.h"

#include "storage/rowset/vertical_beta_rowset_writer.h"

#include "storage/storage_engine.h"

namespace doris {

using namespace ErrorCode;

Status RowsetFactory::create_rowset(const TabletSchemaSPtr& schema, const std::string& tablet_path,

                                    const RowsetMetaSharedPtr& rowset_meta,

                                    RowsetSharedPtr* rowset) {

    if (rowset_meta->rowset_type() == ALPHA_ROWSET) {

        return Status::Error<ROWSET_INVALID>("invalid rowset_type");

    }

    if (rowset_meta->rowset_type() == BETA_ROWSET) {

        rowset->reset(new BetaRowset(schema, rowset_meta, tablet_path));

        return (*rowset)->init();

    }

    return Status::Error<ROWSET_TYPE_NOT_FOUND>("invalid rowset_type"); // should never happen

}

Result<std::unique_ptr<RowsetWriter>> RowsetFactory::create_rowset_writer(

        StorageEngine& engine, const RowsetWriterContext& context, bool is_vertical) {

    if (context.rowset_type == ALPHA_ROWSET) {

        return ResultError(Status::Error<ROWSET_INVALID>("invalid rowset_type"));

    }

    if (context.write_binlog_opt().is_binlog_writer()) {

        std::unique_ptr<RowsetWriter> writer;

        if (is_vertical) {

            writer = std::make_unique<VerticalRowBinlogRowsetWriter<BetaRowsetWriter>>(engine);

            RETURN_IF_ERROR_RESULT(writer->init(context));

            return writer;

        } else {

            writer = std::make_unique<RowBinlogRowsetWriter>(engine);

            RETURN_IF_ERROR_RESULT(writer->init(context));

            return writer;

        }

    }

    if (context.rowset_type == BETA_ROWSET) {

        std::unique_ptr<RowsetWriter> writer;

        if (is_vertical) {

            writer = std::make_unique<VerticalBetaRowsetWriter<BetaRowsetWriter>>(engine);

        } else {

            writer = std::make_unique<BetaRowsetWriter>(engine);

        }

        RETURN_IF_ERROR_RESULT(writer->init(context));

        return writer;

    }

    return ResultError(Status::Error<ROWSET_TYPE_NOT_FOUND>("invalid rowset_type"));

}

Result<std::unique_ptr<RowsetWriter>> RowsetFactory::create_rowset_writer(

        CloudStorageEngine& engine, const RowsetWriterContext& context, bool is_vertical) {

    DCHECK_EQ(context.rowset_type, BETA_ROWSET);

    // TODO(plat1ko): cloud vertical rowset writer

    std::unique_ptr<RowsetWriter> writer;

    if (is_vertical) {

        writer = std::make_unique<VerticalBetaRowsetWriter<CloudRowsetWriter>>(engine);

    } else {

        writer = std::make_unique<CloudRowsetWriter>(engine);

    }

    RETURN_IF_ERROR_RESULT(writer->init(context));

    return writer;

}

Status RowsetFactory::create_empty_group_rowset_writer(std::unique_ptr<GroupRowsetWriter>* output) {

    output->reset(new GroupRowsetWriter());

    return Status::OK();

}

} // namespace doris