from dataclasses import dataclass
from typing import Mapping


@dataclass(frozen=True)
class MagicPlanConfig:
    customer_id: str
    api_key: str

    @classmethod
    def from_env(cls, env: Mapping[str, str]) -> "MagicPlanConfig":
        return cls(
            customer_id=env["MAGICPLAN_CUSTOMER_ID"],
            api_key=env["MAGICPLAN_API_KEY"],
        )