from __future__ import annotations

import uuid
from datetime import datetime

from pydantic import BaseModel, ConfigDict


class SongCommentCreate(BaseModel):
    body: str
    timestamp: float | None = None
    tag: str | None = None


class SongCommentRead(BaseModel):
    model_config = ConfigDict(from_attributes=True)

    id: uuid.UUID
    song_id: uuid.UUID
    body: str
    author_id: uuid.UUID
    author_name: str
    author_avatar_url: str | None
    timestamp: float | None
    tag: str | None
    created_at: datetime

    @classmethod
    def from_model(cls, c: object) -> SongCommentRead:
        return cls(
            id=c.id,
            song_id=c.song_id,
            body=c.body,
            author_id=c.author_id,
            author_name=c.author.display_name,
            author_avatar_url=c.author.avatar_url,
            timestamp=c.timestamp,
            tag=getattr(c, "tag", None),
            created_at=c.created_at,
        )