/*
 * 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 <map>
#include <memory>
#include <string>

#include "paimon/format/format_writer.h"
#include "paimon/fs/file_system.h"
#include "paimon/metrics.h"
#include "paimon/result.h"
#include "paimon/status.h"
#include "parquet/arrow/writer.h"

namespace arrow {
class MemoryPool;
class Schema;
}  // namespace arrow
namespace paimon {
class Metrics;
class OutputStream;
class ArrowOutputStreamAdapter;
}  // namespace paimon
namespace parquet {
class WriterProperties;
}  // namespace parquet
struct ArrowArray;

namespace paimon::parquet {

class ParquetFormatWriter : public FormatWriter {
 public:
    static Result<std::unique_ptr<ParquetFormatWriter>> Create(
        const std::shared_ptr<OutputStream>& output_stream,
        const std::shared_ptr<arrow::Schema>& schema,
        const std::shared_ptr<::parquet::WriterProperties>& writer_properties,
        uint64_t max_memory_use, const std::shared_ptr<arrow::MemoryPool>& pool);

    Status AddBatch(ArrowArray* batch) override;

    Status Flush() override;

    Status Finish() override;

    Result<bool> ReachTargetSize(bool suggested_check, int64_t target_size) const override;

    std::shared_ptr<Metrics> GetWriterMetrics() const override {
        return metrics_;
    }

    Status AddMetadata(const std::map<std::string, std::string>& metadata) override;

 private:
    ParquetFormatWriter(std::unique_ptr<::parquet::arrow::FileWriter> writer,
                        const std::shared_ptr<ArrowOutputStreamAdapter>& out,
                        const std::shared_ptr<arrow::Schema>& schema, uint64_t max_memory_use,
                        const std::shared_ptr<arrow::MemoryPool>& pool);

    Result<uint64_t> GetEstimateLength() const;

    std::shared_ptr<arrow::MemoryPool> pool_;
    std::shared_ptr<ArrowOutputStreamAdapter> out_;
    std::unique_ptr<::parquet::arrow::FileWriter> writer_;
    std::shared_ptr<arrow::Schema> schema_;
    std::shared_ptr<Metrics> metrics_;
    int64_t total_records_written_ = 0;
    uint64_t max_memory_use_;
};

}  // namespace paimon::parquet
