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

class NewsBase(BaseModel):
    title: str = Field(..., max_length=200)
    markdown: str  # полный текст в Markdown
    preview: Optional[str] = None  # краткий текст/анонс (тоже можно в MD)
    tags: List[str] = []
    is_published: bool = True

class NewsCreate(NewsBase):
    pass

class NewsUpdate(BaseModel):
    title: Optional[str] = None
    markdown: Optional[str] = None
    preview: Optional[str] = None
    tags: Optional[List[str]] = None
    is_published: Optional[bool] = None

class NewsInDB(NewsBase):
    id: str
    created_at: datetime
    updated_at: datetime

    class Config:
        orm_mode = True