from sqlalchemy.orm import Session
from schemas.vehicle import CreateVehicle, UpdateVehicle
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


def get_vehicle_by_id(vehicle_id: int, db: Session):
    vehicle = db.query(Vehicle).filter(Vehicle.Id == vehicle_id).first()
    return vehicle


def replace_vehicle_data(id: int, vehicle: UpdateVehicle, db: Session):
    vehicle_db = db.query(Vehicle).filter(Vehicle.Id == id)
    vehicle_object = vehicle_db.first()
    if not vehicle_object:
        return "vehiclenotfound"
    vehicle_object.AssignedDriverIds = vehicle.AssignedDriverIds
    vehicle_object.CurrentLocation = vehicle.CurrentLocation
    vehicle_object.Fuel = vehicle.Fuel
    vehicle_object.LicensePlate = vehicle.LicensePlate
    vehicle_object.MaintenanceNotes = vehicle.MaintenanceNotes
    vehicle_object.Mileage = vehicle.Mileage
    vehicle_object.Model = vehicle.Model
    vehicle_object.Type = vehicle.Type
    vehicle_object.Year = vehicle.Year
    print(vehicle_object)
    db.add(vehicle_object)
    db.commit()
    return vehicle_object


def delete_vehicle_data(id: int, db: Session):
    vehicle_db = db.query(Vehicle).filter(Vehicle.Id == id)
    vehicle_object = vehicle_db.first()
    if not vehicle_object:
        return "vehiclenotfound"
    db.delete(vehicle_object)
    db.commit()
    return vehicle_object