from sqlalchemy.orm import Session

from AppUser.Model.RoleModel import Role, RoleAccessPolicy
from AppUser.Schemas import RoleSchema
from Utils.UniqueCoder import TimeSerialNumUtils


def set_next_id(db: Session, num_len: int, prefix: str, model):
    data = db.query(model).with_entities(model.id).order_by(model.id.desc()).first()
    if data:
        num = str(int({**data}.get("id").split(prefix)[-1]) + 1)
        return prefix + "0" * (num_len - len(num)) + num
    else:
        return prefix + "0" * (num_len - 1) + "1"


def create_role(db: Session, name: str):
    role_item = Role(**{"name": name})
    role_item.id = set_next_id(db=db, num_len=2, prefix="ROLE", model=Role)
    db.add(role_item)
    db.commit()
    db.refresh(role_item)
    return role_item


def get_role_by_id(db: Session, role_id: str):
    role_obj = db.query(Role).filter_by(id=role_id).first()
    return role_obj


def create_role_policy(db: Session, role_id: str, schema: RoleSchema.CreateRolePolicyReqBody):
    rap_obj = RoleAccessPolicy(**schema.dict())
    rap_obj.id = TimeSerialNumUtils.create_time_serial_num(prefix="AP", suffix="")
    rap_obj.role_id = role_id
    db.add(rap_obj)
    db.commit()
    db.refresh(rap_obj)
    return rap_obj.to_dict()