"""
统一返回结果类 - 对齐JAVA Result

@author: {{ author }}
@date: {{ date }}
"""
from typing import TypeVar, Generic, Optional, Any
from pydantic import BaseModel, Field
from datetime import datetime
import time

T = TypeVar('T')

class Result(BaseModel, Generic[T]):
    """接口返回数据格式 - 对齐JAVA Result<T>"""
    success: bool = Field(True, description="成功标志")
    message: str = Field("", description="返回处理消息")
    code: int = Field(0, description="返回代码, 0=成功, 500=错误")
    result: Optional[T] = Field(None, description="返回数据对象")
    timestamp: int = Field(default_factory=lambda: int(time.time() * 1000), description="时间戳")

    @staticmethod
    def OK(data: Any = None, message: str = "") -> dict:
        """成功返回"""
        return {
            "success": True,
            "message": message,
            "code": 200,
            "result": data,
            "timestamp": int(time.time() * 1000)
        }

    @staticmethod
    def error(message: str, code: int = 500) -> dict:
        """错误返回"""
        return {
            "success": False,
            "message": message,
            "code": code,
            "result": None,
            "timestamp": int(time.time() * 1000)
        }

    @staticmethod
    def noauth(message: str = "无权限访问") -> dict:
        """无权限返回"""
        return {
            "success": False,
            "message": message,
            "code": 210,
            "result": None,
            "timestamp": int(time.time() * 1000)
        }