/*
 * 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: UTF8String.c
 * Description:
 *  This file contains the functions for modifying the UTF-8 String. It includes 
 *  functions to append, Insert at index, insert before character,
 *  insert before string, insert after character, insert after string, replace,
 *  copy, pop, remove, remove range, clear, check if contains string, check if
 *  empty. 
 * 
 * Author: Mineplay
 * -----------------------------------------------------------------------------
 */
#include "../../Include/Fledasty/Strings/UTF8String.h"

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

FledastyError fledasty_utf8_string_initialize(FledastyUtf8String *new_string, unsigned char *character_string, size_t character_string_length) {
    if (new_string == NULL) {
        return FLEDASTY_ERROR_INVALID_POINTER;
    }

    if (character_string == NULL || character_string_length == 0) {
        new_string->size = 0;
        new_string->capacity = 10;

        new_string->character_string = hallocy_malloc(new_string->capacity);
    } else {
        new_string->size = character_string_length;
        new_string->capacity = new_string->size + new_string->size;

        new_string->character_string = hallocy_malloc(new_string->capacity);
        for (size_t index = 0; index < new_string->size; index += 1) {
            new_string->character_string[index] = character_string[index];
        }
    }

    new_string->character_string[new_string->size] = '\0';
    return FLEDASTY_ERROR_NONE;
}

FledastyError fledasty_utf8_string_destroy(FledastyUtf8String *current_string) {
    if (current_string == NULL) {
        return FLEDASTY_ERROR_INVALID_POINTER;
    }
    
    HallocyError result = hallocy_free(current_string->character_string);
    if (result != HALLOCY_ERROR_NONE) {
        return FLEDASTY_ERROR_FAILED_ALLOCATION;
    }

    current_string->character_string = NULL;
    return FLEDASTY_ERROR_NONE;
}