from utils.db.db import DbConnector
from models.model_mtr_network_nodes import MtrAdditionalNodesModel

from sqlalchemy import select


class MtrAdditionalNodeQuery:
    def __init__(self):
        db_con = DbConnector("spirent_mysql")
        self.db = db_con.get_db()

    async def get_all_nodes(self) -> list:
        """
        Retrieve all entries from the mtr_network_nodes database table.
        """
        async with self.db() as session:
            result = await session.execute(select(MtrAdditionalNodesModel))
            all_nodes = result.scalars().all()
            #await session.close()
            return all_nodes

    def get_all_nodes_for_testing(self) -> list:
        """
        Retrieve all entries from the mtr_network_nodes database table, exclude rows used for storing parameters for
        testing TAS servers.
        """

        all_nodes = (self.db.query(MtrAdditionalNodesModel)
                     .filter(MtrAdditionalNodesModel.test_servers == False)
                     .filter(MtrAdditionalNodesModel.enabled == True)
                     .all())

        return all_nodes

    def get_mtr_config_for_servers(self) -> list:
        all_nodes = (self.db.query(MtrAdditionalNodesModel)
                     .filter(MtrAdditionalNodesModel.test_servers == True)
                     .filter(MtrAdditionalNodesModel.enabled == True)
                     .all())

        return all_nodes

    def get_node_by_id(self, node_id: int) -> MtrAdditionalNodesModel:
        return self.db.query(MtrAdditionalNodesModel).filter_by(id=node_id).one()