"""State helpers for Myco's first playable loop."""

from models.mushroom import Mushroom

WELCOME_MESSAGE = "Hello! I'm Myco. Let's explore the forest."
EMPTY_DEX = "Your MycoDex is empty. Discover a mushroom, then add it here."

ChatHistory = list[dict[str, str]]
MushroomState = dict[str, str]
CollectionState = list[MushroomState]


def welcome_history() -> ChatHistory:
    """Return the opening Myco companion message."""
    return [{"role": "assistant", "content": WELCOME_MESSAGE}]


def mushroom_from_state(current: MushroomState) -> Mushroom:
    """Hydrate a mushroom from Gradio state."""
    return Mushroom.from_dict(current)


def collection_contains(collection: CollectionState, mushroom_name: str) -> bool:
    """Return whether the MycoDex already has a mushroom by name."""
    return any(entry.get("name") == mushroom_name for entry in collection)