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

from .. import models, schemas
from ..database import get_db
from ..deps import get_current_user

router = APIRouter(prefix="/instances", tags=["instances"])


@router.get("", response_model=list[schemas.InstanceOut])
def list_instances(
    db: Session = Depends(get_db),
    user: models.User = Depends(get_current_user),
):
    """Клиент видит только свои инстансы, администратор — все."""
    query = select(models.Instance).where(
        models.Instance.status != models.InstanceStatus.deleted
    )
    if user.role != models.UserRole.admin:
        query = query.where(models.Instance.owner_id == user.id)
    query = query.order_by(models.Instance.created_at.desc())
    return list(db.scalars(query))