"""Type references that define the structure of metadata json files"""

from typing import Callable, TypedDict


class S3Reference(TypedDict):
    bucket: str | None
    key: str | None


class Track(TypedDict):
    asset: S3Reference | None


class Product(TypedDict):
    artwork: S3Reference | None


class ProductInfo(TypedDict):
    product: Product
    tracks: list[Track]


class ProductObject(TypedDict):
    product_info: ProductInfo


# A predicate type for filtering ProductInfo records
ProductInfoPredicate = Callable[[ProductInfo], bool]