from dataclasses import dataclass
from typing import Any


@dataclass(slots=True)
class BotStats:
    total_users: int = 0
    total_cookies: int = 0
    total_paid_direct: float = 0.0
    total_paid_referral: float = 0.0

    @classmethod
    def default(cls) -> "BotStats":
        return cls()

    @classmethod
    def from_dict(cls, data: dict[str, Any] | None) -> "BotStats":
        data = data or {}
        return cls(
            total_users=int(data.get("total_users", 0)),
            total_cookies=int(data.get("total_cookies", 0)),
            total_paid_direct=float(data.get("total_paid_direct", 0.0)),
            total_paid_referral=float(data.get("total_paid_referral", 0.0)),
        )

    def to_dict(self) -> dict[str, Any]:
        return {
            "total_users": self.total_users,
            "total_cookies": self.total_cookies,
            "total_paid_direct": self.total_paid_direct,
            "total_paid_referral": self.total_paid_referral,
        }