"""Admin VPN / proxy settings."""

from __future__ import annotations

from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy.orm import Session

from ..database import get_db
from ..deps import verify_admin
from ..schemas import VpnSettingsAdminRead, VpnSettingsUpdate
from ..services.vpn import apply_vpn_update, ensure_vpn_settings, to_admin_read

router = APIRouter(
    prefix="/admin/vpn",
    tags=["vpn"],
    dependencies=[Depends(verify_admin)],
)


@router.get("", response_model=VpnSettingsAdminRead)
def get_vpn_settings(db: Session = Depends(get_db)):
    row = ensure_vpn_settings(db)
    return to_admin_read(row)


@router.put("", response_model=VpnSettingsAdminRead)
def put_vpn_settings(payload: VpnSettingsUpdate, db: Session = Depends(get_db)):
    try:
        row = apply_vpn_update(db, payload)
    except ValueError as exc:
        raise HTTPException(status_code=400, detail=str(exc)) from exc
    return to_admin_read(row)