from fastapi import APIRouter, Depends
from sqlalchemy import select
from sqlalchemy.orm import Session
from app.db.session import get_db
from app.models.knowledge import KnowledgeItem
from app.schemas.knowledge import KnowledgeCreate, KnowledgeRead
router = APIRouter(tags=["knowledge"])
@router.get("/knowledge", response_model=list[KnowledgeRead])
def list_knowledge(db: Session = Depends(get_db)):
    return list(db.scalars(select(KnowledgeItem).order_by(KnowledgeItem.id.desc())).all())
@router.post("/knowledge", response_model=KnowledgeRead, status_code=201)
def create_knowledge(payload: KnowledgeCreate, db: Session = Depends(get_db)):
    item = KnowledgeItem(title=payload.title, category=payload.category, content=payload.content, source_url=str(payload.source_url) if payload.source_url else None, verification_status="pending")
    db.add(item); db.commit(); db.refresh(item)
    return item