#   AUTO_MAA:A MAA Multi Account Management and Automation Tool
#   Copyright © 2024-2025 DLmaster361

#   This file is part of AUTO_MAA.

#   AUTO_MAA is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published
#   by the Free Software Foundation, either version 3 of the License,
#   or (at your option) any later version.

#   AUTO_MAA is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty
#   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
#   the GNU General Public License for more details.

#   You should have received a copy of the GNU General Public License
#   along with AUTO_MAA. If not, see <https://www.gnu.org/licenses/>.

#   Contact: DLmaster_361@163.com


import base64
import win32crypt


def dpapi_encrypt(
    note: str, description: None | str = None, entropy: None | bytes = None
) -> str:
    """
    使用Windows DPAPI加密数据

    :param note: 数据明文
    :type note: str
    :param description: 描述信息
    :type description: str
    :param entropy: 随机熵
    :type entropy: bytes
    :return: 加密后的数据
    :rtype: str
    """

    if note == "":
        return ""

    encrypted = win32crypt.CryptProtectData(
        note.encode("utf-8"), description, entropy, None, None, 0
    )
    return base64.b64encode(encrypted).decode("utf-8")


def dpapi_decrypt(note: str, entropy: None | bytes = None) -> str:
    """
    使用Windows DPAPI解密数据

    :param note: 数据密文
    :type note: str
    :param entropy: 随机熵
    :type entropy: bytes
    :return: 解密后的明文
    :rtype: str
    """

    if note == "":
        return ""

    decrypted = win32crypt.CryptUnprotectData(
        base64.b64decode(note), entropy, None, None, 0
    )
    return decrypted[1].decode("utf-8")