/*
 * 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 <cstdint>
#include <memory>
#include <utility>
#include <vector>

#include "arrow/api.h"
#include "paimon/common/data/binary_row.h"
#include "paimon/core/io/row_to_arrow_array_converter.h"
#include "paimon/result.h"
namespace arrow {
class MemoryPool;
class Schema;
class StructBuilder;
}  // namespace arrow

namespace paimon {
class MemoryPool;

/// Project meta (e.g., manifest) from BinaryRow to arrow array.
class MetaToArrowArrayConverter
    : public RowToArrowArrayConverter<BinaryRow, std::shared_ptr<arrow::Array>> {
 public:
    static Result<std::unique_ptr<MetaToArrowArrayConverter>> Create(
        const std::shared_ptr<arrow::DataType>& meta_data_type,
        const std::shared_ptr<MemoryPool>& pool);

    Result<std::shared_ptr<arrow::Array>> NextBatch(
        const std::vector<BinaryRow>& meta_rows) override;

 private:
    MetaToArrowArrayConverter(int32_t reserve_count, std::vector<AppendValueFunc>&& appenders,
                              std::unique_ptr<arrow::StructBuilder>&& array_builder,
                              std::unique_ptr<arrow::MemoryPool>&& arrow_pool)
        : RowToArrowArrayConverter(reserve_count, std::move(appenders), std::move(array_builder),
                                   std::move(arrow_pool)) {}
};
}  // namespace paimon
