# app/schemas/common.py
from typing import Generic, TypeVar, Optional, List
from pydantic import BaseModel
from pydantic.generics import GenericModel

T = TypeVar("T")

class ApiResponse(BaseModel, Generic[T]):
    code: int = 0
    message: str = "success"
    data: Optional[T] = None

class PageResponse(GenericModel, Generic[T]):
    items: List[T]
    total: int
    page: int
    size: int