// 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_binary.h"

#include <cstdint>
#include <memory>

#include "arrow/array/array_base.h"
#include "arrow/type.h"
#include "arrow/util/checked_cast.h"
#include "arrow/util/logging.h"
#include "arrow/util/utf8.h"

namespace arrow {

using internal::checked_cast;

namespace {

template <typename StringArrayType>
Status ValidateStringData(const StringArrayType& array) {
  util::InitializeUTF8();
  for (int64_t i = 0; i < array.length(); ++i) {
    if (!array.IsNull(i) && !util::ValidateUTF8(array.GetView(i))) {
      return Status::Invalid("Invalid UTF8 sequence at string index ", i);
    }
  }
  return Status::OK();
}

}  // namespace

BinaryArray::BinaryArray(const std::shared_ptr<ArrayData>& data) {
  ARROW_CHECK_EQ(data->type->id(), Type::BINARY);
  SetData(data);
}

BinaryArray::BinaryArray(int64_t length, const std::shared_ptr<Buffer>& value_offsets,
                         const std::shared_ptr<Buffer>& data,
                         const std::shared_ptr<Buffer>& null_bitmap, int64_t null_count,
                         int64_t offset) {
  SetData(ArrayData::Make(binary(), length, {null_bitmap, value_offsets, data},
                          null_count, offset));
}

LargeBinaryArray::LargeBinaryArray(const std::shared_ptr<ArrayData>& data) {
  ARROW_CHECK_EQ(data->type->id(), Type::LARGE_BINARY);
  SetData(data);
}

LargeBinaryArray::LargeBinaryArray(int64_t length,
                                   const std::shared_ptr<Buffer>& value_offsets,
                                   const std::shared_ptr<Buffer>& data,
                                   const std::shared_ptr<Buffer>& null_bitmap,
                                   int64_t null_count, int64_t offset) {
  SetData(ArrayData::Make(large_binary(), length, {null_bitmap, value_offsets, data},
                          null_count, offset));
}

StringArray::StringArray(const std::shared_ptr<ArrayData>& data) {
  ARROW_CHECK_EQ(data->type->id(), Type::STRING);
  SetData(data);
}

StringArray::StringArray(int64_t length, const std::shared_ptr<Buffer>& value_offsets,
                         const std::shared_ptr<Buffer>& data,
                         const std::shared_ptr<Buffer>& null_bitmap, int64_t null_count,
                         int64_t offset) {
  SetData(ArrayData::Make(utf8(), length, {null_bitmap, value_offsets, data}, null_count,
                          offset));
}

Status StringArray::ValidateUTF8() const { return ValidateStringData(*this); }

LargeStringArray::LargeStringArray(const std::shared_ptr<ArrayData>& data) {
  ARROW_CHECK_EQ(data->type->id(), Type::LARGE_STRING);
  SetData(data);
}

LargeStringArray::LargeStringArray(int64_t length,
                                   const std::shared_ptr<Buffer>& value_offsets,
                                   const std::shared_ptr<Buffer>& data,
                                   const std::shared_ptr<Buffer>& null_bitmap,
                                   int64_t null_count, int64_t offset) {
  SetData(ArrayData::Make(large_utf8(), length, {null_bitmap, value_offsets, data},
                          null_count, offset));
}

Status LargeStringArray::ValidateUTF8() const { return ValidateStringData(*this); }

FixedSizeBinaryArray::FixedSizeBinaryArray(const std::shared_ptr<ArrayData>& data) {
  SetData(data);
}

FixedSizeBinaryArray::FixedSizeBinaryArray(const std::shared_ptr<DataType>& type,
                                           int64_t length,
                                           const std::shared_ptr<Buffer>& data,
                                           const std::shared_ptr<Buffer>& null_bitmap,
                                           int64_t null_count, int64_t offset)
    : PrimitiveArray(type, length, data, null_bitmap, null_count, offset),
      byte_width_(checked_cast<const FixedSizeBinaryType&>(*type).byte_width()) {}

const uint8_t* FixedSizeBinaryArray::GetValue(int64_t i) const {
  return raw_values_ + (i + data_->offset) * byte_width_;
}

}  // namespace arrow
