// 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.

#include "arrow/array/array_decimal.h"

#include <cstdint>
#include <memory>
#include <string>

#include "arrow/array/array_binary.h"
#include "arrow/array/data.h"
#include "arrow/type.h"
#include "arrow/util/checked_cast.h"
#include "arrow/util/decimal.h"
#include "arrow/util/logging.h"

namespace arrow {

using internal::checked_cast;

// ----------------------------------------------------------------------
// Decimal32

Decimal32Array::Decimal32Array(const std::shared_ptr<ArrayData>& data)
    : FixedSizeBinaryArray(data) {
  ARROW_CHECK_EQ(data->type->id(), Type::DECIMAL32);
}

std::string Decimal32Array::FormatValue(int64_t i) const {
  const auto& type_ = checked_cast<const Decimal32Type&>(*type());
  const Decimal32 value(GetValue(i));
  return value.ToString(type_.scale());
}

// ----------------------------------------------------------------------
// Decimal64

Decimal64Array::Decimal64Array(const std::shared_ptr<ArrayData>& data)
    : FixedSizeBinaryArray(data) {
  ARROW_CHECK_EQ(data->type->id(), Type::DECIMAL64);
}

std::string Decimal64Array::FormatValue(int64_t i) const {
  const auto& type_ = checked_cast<const Decimal64Type&>(*type());
  const Decimal64 value(GetValue(i));
  return value.ToString(type_.scale());
}

// ----------------------------------------------------------------------
// Decimal128

Decimal128Array::Decimal128Array(const std::shared_ptr<ArrayData>& data)
    : FixedSizeBinaryArray(data) {
  ARROW_CHECK_EQ(data->type->id(), Type::DECIMAL128);
}

std::string Decimal128Array::FormatValue(int64_t i) const {
  const auto& type_ = checked_cast<const Decimal128Type&>(*type());
  const Decimal128 value(GetValue(i));
  return value.ToString(type_.scale());
}

// ----------------------------------------------------------------------
// Decimal256

Decimal256Array::Decimal256Array(const std::shared_ptr<ArrayData>& data)
    : FixedSizeBinaryArray(data) {
  ARROW_CHECK_EQ(data->type->id(), Type::DECIMAL256);
}

std::string Decimal256Array::FormatValue(int64_t i) const {
  const auto& type_ = checked_cast<const Decimal256Type&>(*type());
  const Decimal256 value(GetValue(i));
  return value.ToString(type_.scale());
}

}  // namespace arrow
