from typing import Annotated
from fastapi import Query


def pagination_params(
    page: Annotated[int, Query(ge=1)] = 1,
    per_page: Annotated[int, Query(ge=1, le=100)] = 20,
) -> tuple[int, int, int]:
    offset = (page - 1) * per_page
    return page, per_page, offset