"""DTOs for post use cases."""

from dataclasses import dataclass
from datetime import datetime
from uuid import UUID


@dataclass(frozen=True)
class CreatePostDTO:
    """DTO for creating a post."""

    title: str
    content: str
    author_id: str
    tags: list[str] | None = None


@dataclass(frozen=True)
class UpdatePostDTO:
    """DTO for updating a post."""

    title: str | None = None
    content: str | None = None
    tags: list[str] | None = None


@dataclass(frozen=True)
class PostResponseDTO:
    """DTO for post response."""

    id: UUID
    title: str
    content: str
    slug: str
    author_id: str
    published: bool
    tags: list[str]
    created_at: datetime
    updated_at: datetime