from typing import Iterable, Optional, TYPE_CHECKING

if TYPE_CHECKING:
    from agame.item import ItemInst


def search_item_name(seq: Iterable["ItemInst"], item_name: str) -> Optional["ItemInst"]:
    for item in seq:
        if item.name.lower() == item_name.lower() or item_name.lower() in item.synonyms:
            return item
    return None