from sqlalchemy.orm import Session
from schemas.vehicle import CreateVehicle, OutputVehicle
from db.models.vehicle import Vehicle
from db.repository.user import verify_driver_exists


def create_new_vehicle(vehicle: CreateVehicle, db: Session):
    vehicle_object = Vehicle(
        **vehicle.model_dump(),
        Fuel=0,
        AssignedDriverIds=[],
        CurrentLocation=[],
        MaintenanceNotes=[]
    )
    db.add(vehicle_object)
    db.commit()
    db.refresh(vehicle_object)
    return vehicle


def assign_vehicle_driver(vehicle_id: int, driver_id: int, db: Session):
    vehicledb = db.query(Vehicle).filter(Vehicle.Id == vehicle_id)
    vehicle = vehicledb.first()
    if not vehicle:
        return "novehicle"
    if driver_id in vehicle.AssignedDriverIds:
        return "alreadyassigned"
    if verify_driver_exists(driver_id=driver_id, db=db):
        print(vehicle.AssignedDriverIds)
        vehicledb.update({"AssignedDriverIds": vehicle.AssignedDriverIds + [driver_id]})
        print(vehicle.AssignedDriverIds)
        db.add(vehicle)
        db.commit()
        db.refresh(vehicle)
        return vehicle
    # return a 404 error if the driver does not exist
    return "nodriver"


def list_vehicles(db: Session):
    vehicles = db.query(Vehicle).all()
    return vehicles