from dataclasses import dataclass, field
from uuid import UUID, uuid4


@dataclass
class RecurringCashflow:
    id: UUID = field(default_factory=uuid4)
    start_date: str = ""
    end_date: str = ""
    frequency: str = "monthly"
    amount: float = 0.0
    category: str = ""

    def to_dict(self) -> dict:
        return {
            "id": str(self.id),
            "start_date": self.start_date,
            "end_date": self.end_date,
            "frequency": self.frequency,
            "amount": self.amount,
            "category": self.category,
        }

    @classmethod
    def from_dict(cls, data: dict) -> "RecurringCashflow":
        return cls(
            id=UUID(data["id"]),
            start_date=data.get("start_date", ""),
            end_date=data.get("end_date", ""),
            frequency=data.get("frequency", "monthly"),
            amount=data.get("amount", 0.0),
            category=data.get("category", ""),
        )