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


class PostBase(BaseModel):
    title: str
    slug: str
    excerpt: Optional[str] = None
    body: str = ""
    author: Optional[str] = None
    featured_image_url: Optional[str] = None
    tags: List[str] = []
    published: bool = False


class PostCreate(PostBase):
    pass


class PostUpdate(BaseModel):
    title: Optional[str] = None
    slug: Optional[str] = None
    excerpt: Optional[str] = None
    body: Optional[str] = None
    author: Optional[str] = None
    featured_image_url: Optional[str] = None
    tags: Optional[List[str]] = None
    published: Optional[bool] = None


class PostResponse(PostBase):
    id: uuid.UUID
    created_at: datetime
    updated_at: datetime

    model_config = ConfigDict(from_attributes=True)


class PaginatedPostsResponse(BaseModel):
    items: List[PostResponse]
    total: int
    page: int
    per_page: int
    total_pages: int