"""Common Pydantic schemas: pagination."""

from __future__ import annotations

from typing import Generic, List, Optional, TypeVar

from pydantic import BaseModel, ConfigDict, Field

T = TypeVar("T")


class PaginationParams(BaseModel):
    """Standard pagination query params."""

    skip: int = Field(default=0, ge=0)
    limit: int = Field(default=20, ge=1, le=100)


class PaginatedResponse(BaseModel, Generic[T]):
    """Generic paginated response."""

    model_config = ConfigDict(from_attributes=True)

    items: List[T]  # type: ignore[valid-type]
    total: int
    skip: int
    limit: int


__all__ = ["PaginatedResponse", "PaginationParams"]