from db.models.ch_experimentdb_experiment_data_model import ChExperimentDBExperimentData
from sqlalchemy import select,func

class ChExperimentDBExperimentDataRepository:
    def __init__(self, session):
        self.session = session

    def get_all(self):
        return self.session.query(ChExperimentDBExperimentData).all()

    def get_by_id(self, id: int) -> ChExperimentDBExperimentData:
        return self.session.query(ChExperimentDBExperimentData).filter(ChExperimentDBExperimentData.id == id).one_or_none()

    def create(self, ch_experiment_data: ChExperimentDBExperimentData) -> ChExperimentDBExperimentData:
        max_id_query = select(func.max(ChExperimentDBExperimentData.id))
        max_id_result = self.session.execute(max_id_query).scalar()

        max_id = max_id_result or 0

        ch_experiment_data.id = max_id + 1

        self.session.add(ch_experiment_data)
        self.session.commit()

        return ch_experiment_data

    def update(self, id: int, updated_data: dict) -> ChExperimentDBExperimentData:
        self.session.query(ChExperimentDBExperimentData).filter(ChExperimentDBExperimentData.id == id).update(updated_data)
        self.session.commit()
        return self.get_by_id(id)

    def delete(self, id: int) -> bool:
        item = self.get_by_id(id)
        if item:
            self.session.delete(item)
            self.session.commit()
            return True
        return False