from __future__ import annotations

from typing import Generic, TypeVar
from pydantic import BaseModel, Field

T = TypeVar("T")


class ApiError(BaseModel):
    code: str = Field(..., examples=["validation_error", "db_error"])
    message: str
    details: dict | None = None


class ApiResponse(BaseModel, Generic[T]):
    success: bool = True
    errors: list[ApiError] | None = None
    count: int | None = None
    data: T | None = None