from dataclasses import dataclass
import pandas as pd


@dataclass
class PowerBIReader:
    dataset_id: str
    access_token: str

    @classmethod
    async def create(cls, dataset_id: str, access_token: str):
        instance = cls(dataset_id=dataset_id, access_token=access_token)
        return instance

    async def read_data(self) -> pd.DataFrame:
        # TODO: Implement actual Power BI data reading logic
        return pd.DataFrame({"data": ["sample data"]})