"""
自定义的一些 json功能
"""
import re


def underscore_to_camelcase(snake_str):
    """ 将下划线命名转换为驼峰命名 """
    components = snake_str.split('_')
    return components[0] + ''.join(x.title() for x in components[1:])

def camelcase_to_underscore(camel_str):
    """将驼峰命名转换为下划线命名"""
    return re.sub(r'(?<!^)(?=[A-Z])', '_', camel_str).lower()


def convert_keys_to_camelcase(obj):
    """ 递归处理 JSON 对象 """
    if isinstance(obj, dict):
        new_obj = {}
        for k, v in obj.items():
            new_key = underscore_to_camelcase(k)
            new_obj[new_key] = convert_keys_to_camelcase(v)
        return new_obj
    elif isinstance(obj, list):
        return [convert_keys_to_camelcase(item) for item in obj]
    else:
        return obj


def convert_keys_to_underscore(obj):
    if isinstance(obj, dict):
        new_obj = {}
        for k, v in obj.items():
            new_key = camelcase_to_underscore(k)
            new_obj[new_key] = convert_keys_to_underscore(v)
        return new_obj
    elif isinstance(obj, list):
        return [convert_keys_to_underscore(item) for item in obj]
    else:
        return obj