"""Forum MVP API endpoints. Job ID: MTAD-IMPL-2025-11-18-CL"""
from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.orm import Session
from app.database import get_db
from app.models import ForumCategory, ForumThread, ForumPost

router = APIRouter()

@router.get("/categories")
async def list_categories(db: Session = Depends(get_db)):
    """List all forum categories."""
    categories = db.query(ForumCategory).order_by(ForumCategory.order).all()
    return {"items": categories}

@router.get("/categories/{category_id}/threads")
async def list_threads(category_id: str, skip: int = 0, limit: int = 10, db: Session = Depends(get_db)):
    """List threads in a category."""
    threads = db.query(ForumThread).filter(ForumThread.category_id == category_id).offset(skip).limit(limit).all()
    return {"items": threads}

@router.get("/threads/{thread_id}/posts")
async def list_posts(thread_id: str, skip: int = 0, limit: int = 20, db: Session = Depends(get_db)):
    """List posts in a thread."""
    posts = db.query(ForumPost).filter(ForumPost.thread_id == thread_id, ForumPost.deleted_at.is_(None)).offset(skip).limit(limit).all()
    return {"items": posts}

@router.post("/categories")
async def create_category(name: str, db: Session = Depends(get_db)):
    """Create forum category (admin only)."""
    return {"message": "Category creation not yet implemented"}

@router.post("/threads")
async def create_thread(category_id: str, title: str, db: Session = Depends(get_db)):
    """Create forum thread (requires authentication)."""
    return {"message": "Thread creation not yet implemented"}

@router.post("/posts")
async def create_post(thread_id: str, content: str, db: Session = Depends(get_db)):
    """Create forum post (requires authentication)."""
    return {"message": "Post creation not yet implemented"}