"""
Bulletin Board Schemas - 게시판 스키마
"""
from datetime import datetime
from typing import Optional, List
from pydantic import BaseModel


# ============ Category Schemas ============

class BoardCategoryBase(BaseModel):
    name: str
    name_en: Optional[str] = None
    name_mn: Optional[str] = None
    name_ru: Optional[str] = None
    slug: str
    description: Optional[str] = None
    sort_order: int = 0
    is_active: bool = True


class BoardCategoryCreate(BoardCategoryBase):
    pass


class BoardCategoryUpdate(BaseModel):
    name: Optional[str] = None
    name_en: Optional[str] = None
    name_mn: Optional[str] = None
    name_ru: Optional[str] = None
    slug: Optional[str] = None
    description: Optional[str] = None
    sort_order: Optional[int] = None
    is_active: Optional[bool] = None


class BoardCategoryResponse(BoardCategoryBase):
    id: int
    created_at: datetime
    updated_at: Optional[datetime] = None
    post_count: int = 0

    class Config:
        from_attributes = True


# ============ Post Schemas ============

class BoardPostBase(BaseModel):
    title: str
    content: str
    category_id: int


class BoardPostCreate(BoardPostBase):
    is_notice: bool = False  # 관리자만 true 가능


class BoardPostUpdate(BaseModel):
    title: Optional[str] = None
    content: Optional[str] = None
    category_id: Optional[int] = None
    is_notice: Optional[bool] = None
    is_pinned: Optional[bool] = None
    is_published: Optional[bool] = None


class AuthorResponse(BaseModel):
    id: int
    name: Optional[str] = None
    email: str
    is_admin: bool = False

    class Config:
        from_attributes = True


class BoardPostResponse(BaseModel):
    id: int
    title: str
    content: str
    category_id: int
    category: Optional[BoardCategoryResponse] = None
    author_id: int
    author: Optional[AuthorResponse] = None
    is_notice: bool
    is_pinned: bool
    is_published: bool
    view_count: int
    created_at: datetime
    updated_at: Optional[datetime] = None

    class Config:
        from_attributes = True


class BoardPostListItem(BaseModel):
    """목록에서 보여줄 간략한 정보"""
    id: int
    title: str
    category_id: int
    category_name: Optional[str] = None
    author_id: int
    author_name: Optional[str] = None
    is_notice: bool
    is_pinned: bool
    view_count: int
    created_at: datetime

    class Config:
        from_attributes = True


class BoardPostListResponse(BaseModel):
    posts: List[BoardPostListItem]
    notices: List[BoardPostListItem]  # 공지사항 (상단 고정)
    total: int
    page: int
    page_size: int
    total_pages: int


class BoardCategoryListResponse(BaseModel):
    categories: List[BoardCategoryResponse]
    total: int