/*
 * Licensed 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.
 * 
 * -----------------------------------------------------------------------------
 * File: HashTable.c
 * Description:
 *  This file contains the functions for modifying the Hash Table. It includes functions 
 *  to get, Insert, Remove, check if has key and check if empty. 
 * 
 * Author: Mineplay
 * -----------------------------------------------------------------------------
 */
#include "../../Include/Fledasty/Core/HashTable.h"

#include <Hallocy/Core/Allocator.h>
#include <Hallocy/Core/Memory.h>
#include <Hallocy/Utils/Error.h>

FledastyError fledasty_hash_table_initialize(FledastyHashtable *new_hash_table, size_t element_byte_size, size_t (*hash_function)(void *key)) {
    if (new_hash_table == NULL || hash_function == NULL) {
        return FLEDASTY_ERROR_INVALID_POINTER;
    }

    new_hash_table->element_byte_size = element_byte_size;
    new_hash_table->hash_function = hash_function;

    new_hash_table->size = 0;
    new_hash_table->capacity = 1024;
    new_hash_table->Table = (FledastyHashTablePair**)hallocy_calloc(sizeof(FledastyHashTablePair*), new_hash_table->capacity);

    return FLEDASTY_ERROR_NONE;
}

FledastyError fledasty_hash_table_destroy(FledastyHashtable *current_hash_table) {
    if (current_hash_table == NULL) {
        return FLEDASTY_ERROR_INVALID_POINTER;
    }

    for (size_t i = 0; i < current_hash_table->capacity; i += 1) {
        hallocy_free(current_hash_table->Table[i]);
    } 

    hallocy_free(current_hash_table->Table);
    return FLEDASTY_ERROR_NONE;
}