//===----------------------------------------------------------------------===//
//
//                         BusTub
//
// b_plus_tree_internal_page.cpp
//
// Identification: src/storage/page/b_plus_tree_internal_page.cpp
//
// Copyright (c) 2015-2025, Carnegie Mellon University Database Group
//
//===----------------------------------------------------------------------===//

#include <iostream>
#include <sstream>

#include "common/exception.h"
#include "storage/page/b_plus_tree_internal_page.h"

namespace bustub {
/*****************************************************************************
 * HELPER METHODS AND UTILITIES
 *****************************************************************************/

/**
 * @brief Init method after creating a new internal page.
 *
 * Writes the necessary header information to a newly created page,
 * including set page type, set current size, set page id, set parent id and set max page size,
 * must be called after the creation of a new page to make a valid BPlusTreeInternalPage.
 *
 * @param max_size Maximal size of the page
 */
INDEX_TEMPLATE_ARGUMENTS
void B_PLUS_TREE_INTERNAL_PAGE_TYPE::Init(int max_size) { UNIMPLEMENTED("TODO(P2): Add implementation."); }

/**
 * @brief Helper method to get/set the key associated with input "index"(a.k.a
 * array offset).
 *
 * @param index The index of the key to get. Index must be non-zero.
 * @return Key at index
 */
INDEX_TEMPLATE_ARGUMENTS
auto B_PLUS_TREE_INTERNAL_PAGE_TYPE::KeyAt(int index) const -> KeyType {
  UNIMPLEMENTED("TODO(P2): Add implementation.");
}

/**
 * @brief Set key at the specified index.
 *
 * @param index The index of the key to set. Index must be non-zero.
 * @param key The new value for key
 */
INDEX_TEMPLATE_ARGUMENTS
void B_PLUS_TREE_INTERNAL_PAGE_TYPE::SetKeyAt(int index, const KeyType &key) {
  UNIMPLEMENTED("TODO(P2): Add implementation.");
}

/**
 * @brief Helper method to get the value associated with input "index"(a.k.a array
 * offset)
 *
 * @param index The index of the value to get.
 * @return Value at index
 */
INDEX_TEMPLATE_ARGUMENTS
auto B_PLUS_TREE_INTERNAL_PAGE_TYPE::ValueAt(int index) const -> ValueType {
  UNIMPLEMENTED("TODO(P2): Add implementation.");
}

// valuetype for internalNode should be page id_t
template class BPlusTreeInternalPage<GenericKey<4>, page_id_t, GenericComparator<4>>;
template class BPlusTreeInternalPage<GenericKey<8>, page_id_t, GenericComparator<8>>;
template class BPlusTreeInternalPage<GenericKey<16>, page_id_t, GenericComparator<16>>;
template class BPlusTreeInternalPage<GenericKey<32>, page_id_t, GenericComparator<32>>;
template class BPlusTreeInternalPage<GenericKey<64>, page_id_t, GenericComparator<64>>;
}  // namespace bustub