from pydantic import BaseModel
from typing import Optional, List
from datetime import datetime

class ReleaseTrack(BaseModel):
    title: str
    duration: int
    duration_formatted: str

class ReleaseAlbumResponse(BaseModel):
    id: str
    title: str
    cover_art: Optional[str] = None
    release_date: str
    tracks: List[ReleaseTrack] = []

class NewReleaseResponse(BaseModel):
    artist_name: str
    artist_image: Optional[str] = None
    albums: List[ReleaseAlbumResponse] = []
    last_checked: Optional[datetime] = None