"""
Response codes and messages enumeration for standardized API responses

This module contains all response codes and messages used across the application.
Codes are 5-digit numbers:
- 10000-19999: Success codes
- 20000-29999: Error codes
"""

from enum import IntEnum, Enum


class ResponseCode(IntEnum):
    """Response codes enumeration (5-digit numbers)"""

    SUCCESS = 10000
    EMAIL_SENT_REGISTER = 10001
    EMAIL_SENT_LOGIN = 10002
    REGISTRATION_SUCCESS = 10003
    LOGIN_SUCCESS = 10004
    PASSWORD_CHANGED = 10005
    PASSWORD_SET = 10006
    EMAIL_CHANGE_CODE_SENT = 10007
    EMAIL_CHANGED = 10008
    PARAMETER_ERROR = 20001
    EMAIL_EMPTY = 20002
    EMAIL_SEND_FAILED = 20003
    VERIFICATION_CODE_EXPIRED = 20004
    USER_DATA_INVALID = 20005
    VERIFICATION_CODE_ERROR = 20006
    LOGIN_VERIFICATION_EXPIRED = 20007
    LOGIN_VERIFICATION_ERROR = 20008
    SERVER_INTERNAL_ERROR = 20009
    OLD_PASSWORD_ERROR = 20010
    PASSWORD_MISMATCH = 20011
    PASSWORD_TOO_SHORT = 20012
    PASSWORD_TOO_WEAK = 20013
    EMAIL_SAME_AS_OLD = 20014
    EMAIL_ALREADY_IN_USE = 20015
    RESET_CODE_SENT = 10009
    PASSWORD_RESET_SUCCESS = 10010
    VALIDATION_ERROR = 20016
    NOT_FOUND = 20017
    USER_NOT_FOUND = 20018
    CAPTCHA_ERROR = 20020
    CAPTCHA_EXPIRED = 20021
    CAPTCHA_REQUIRED = 20022
    EMAIL_DOMAIN_INVALID = 20023


class ResponseMessage:
    """Response messages enumeration (static class)"""

    SUCCESS = 'Success'
    EMAIL_SENT_REGISTER = '账号未注册，已发送注册邮件'
    EMAIL_SENT_LOGIN = '邮件发送成功'
    REGISTRATION_SUCCESS = '注册成功'
    LOGIN_SUCCESS = '登录成功'
    PASSWORD_CHANGED = '密码修改成功'
    PASSWORD_SET = '密码设置成功'
    EMAIL_CHANGE_CODE_SENT = '验证码已发送至邮箱'
    EMAIL_CHANGED = '邮箱修改成功'
    PARAMETER_ERROR = '参数异常'
    EMAIL_EMPTY = '邮箱地址不能为空'
    EMAIL_SEND_FAILED = '邮件发送失败'
    VERIFICATION_CODE_EXPIRED = '验证码已过期或未发送'
    USER_DATA_INVALID = '用户数据验证失败'
    VERIFICATION_CODE_ERROR = '验证码错误'
    LOGIN_VERIFICATION_EXPIRED = '验证码已过期或未发送'
    LOGIN_VERIFICATION_ERROR = '验证码错误'
    SERVER_INTERNAL_ERROR = '服务器内部错误'
    OLD_PASSWORD_ERROR = '当前密码错误'
    PASSWORD_MISMATCH = '两次输入的新密码不一致'
    PASSWORD_TOO_SHORT = '密码长度不能少于8位'
    PASSWORD_TOO_WEAK = '密码必须包含字母和数字'
    EMAIL_SAME_AS_OLD = '新邮箱与当前邮箱相同'
    EMAIL_ALREADY_IN_USE = '该邮箱已被其他账号使用'
    RESET_CODE_SENT = '重置密码验证码已发送至邮箱'
    PASSWORD_RESET_SUCCESS = '密码重置成功'
    VALIDATION_ERROR = '数据验证失败'
    NOT_FOUND = '资源不存在'
    USER_NOT_FOUND = '该邮箱未注册'
    CAPTCHA_ERROR = '验证码错误'
    CAPTCHA_EXPIRED = '验证码已过期，请重新获取'
    CAPTCHA_REQUIRED = '操作过于频繁，请输入验证码'
    EMAIL_DOMAIN_INVALID = '邮箱域名不存在，请输入真实邮箱地址'


def get_response_message(code: ResponseCode) -> str:
    """Get the corresponding message for a response code."""
    return getattr(ResponseMessage, code.name, str(code))


SUCCESS = 200
SERVER_INTERNAL_ERROR = 500


def create_standardized_response(data=None, code=None, status_code=200, message=None):
    """Create a standardized success response."""
    from rest_framework.response import Response
    response_data = {}
    if data is not None:
        response_data['data'] = data
    if code is not None:
        response_data['code'] = int(code)
        response_data['message'] = message or get_response_message(code)
    response = Response(response_data, status=status_code)
    # 安全加固：若返回数据含 access 或 refresh，自动植入 HttpOnly Cookie 杜绝 XSS 窃取
    if isinstance(data, dict):
        access = data.get('access')
        refresh = data.get('refresh')
        if access or refresh:
            try:
                from user.cookie_auth import set_auth_cookies
                set_auth_cookies(response, access_token=access, refresh_token=refresh)
            except Exception:
                pass
    return response


def create_standardized_error_response(data=None, code=None, status_code=400, message=None):
    """Create a standardized error response."""
    from rest_framework.response import Response
    response_data = {}
    if data is not None:
        response_data['data'] = data
    if code is not None:
        response_data['code'] = int(code)
        response_data['message'] = message or get_response_message(code)
    else:
        response_data['message'] = message or 'Unknown error'
    return Response(response_data, status=status_code)