from dataclasses import dataclass
from typing import Any, Dict

@dataclass(frozen=True)
class Mushroom:
    name: str
    rarity: str
    habitat: str
    lore: str
    edible: str = "Unknown"
    magic: str = "Unknown"
    danger: str = "Unknown"

    @classmethod
    def from_dict(cls, data: Dict[str, Any]) -> "Mushroom":
        if not isinstance(data, dict):
            raise TypeError("Mushroom.from_dict expects a dict")

        required = ["name", "rarity", "habitat", "lore"]
        missing = [k for k in required if k not in data or data[k] is None]
        if missing:
            raise ValueError(f"Mushroom.from_dict missing required fields: {', '.join(missing)}")

        return cls(
            name=str(data["name"]),
            rarity=str(data["rarity"]),
            habitat=str(data["habitat"]),
            lore=str(data["lore"]),
            edible=str(data.get("edible", "Unknown")),
            magic=str(data.get("magic", "Unknown")),
            danger=str(data.get("danger", "Unknown")),
        )

    def to_dict(self) -> Dict[str, str]:
        return {
            "name": self.name,
            "rarity": self.rarity,
            "habitat": self.habitat,
            "lore": self.lore,
            "edible": self.edible,
            "magic": self.magic,
            "danger": self.danger,
        }