from dataclasses import dataclass
from datetime import datetime


@dataclass(frozen=True)
class Track:
    id: int
    title: str
    artist: str
    permalink_url: str
    artwork_url: str | None
    duration_ms: int
    license: str
    liked_at: datetime
    raw_json: str


@dataclass(frozen=True)
class Show:
    id: int
    week_start: datetime
    week_end: datetime
    created_at: datetime
    episode_number: int | None = None


@dataclass(frozen=True)
class ShowTrack:
    show_id: int
    track_id: int
    position: int