"""Domain model types for split data."""

from typing import NamedTuple


class CoveredTrackKey(NamedTuple):
    """A (collaborator_id, tuid) pair identifying a track that has already been resolved."""

    collaborator_id: str
    tuid: str


class SplitRow(NamedTuple):
    """A resolved track-level split row, matching the temp_split Snowflake schema."""

    split_id: int
    split_type_id: int
    identifier: str
    split_rate: float
    collaborator_id: int
    rate_type: str