from datetime import datetime

from pydantic import BaseModel


class TimelineCreate(BaseModel):
    title: str
    content: str | None = None


class TimelineUpdate(BaseModel):
    title: str | None = None
    content: str | None = None


class TimelineCommentCreate(BaseModel):
    content: str


class TimelineCommentOut(BaseModel):
    id: int
    post_id: int
    author_id: int
    author_name: str
    content: str
    created_at: datetime
    updated_at: datetime


class TimelineOut(BaseModel):
    id: int
    class_id: int
    author_id: int
    author_name: str
    title: str
    content: str | None
    image_urls: list[str] | None
    like_count: int
    has_liked: bool
    comment_count: int
    comments: list[TimelineCommentOut] | None = None
    created_at: datetime
    updated_at: datetime