"""FastAPI dependencies for the EPUB search app."""

from __future__ import annotations

from typing import Annotated

from fastapi import Depends, Request
from sqlalchemy.engine import Engine

from python.ebook_search.config import EbookSearchConfig


def get_config(request: Request) -> EbookSearchConfig:
    """Get the loaded search config from app state."""
    return request.app.state.config


def get_engine(request: Request) -> Engine:
    """Get the database engine from app state."""
    return request.app.state.engine


AppConfig = Annotated[EbookSearchConfig, Depends(get_config)]
AppEngine = Annotated[Engine, Depends(get_engine)]