from uuid import UUID
from fastapi import APIRouter,Depends,HTTPException
from sqlalchemy.orm import Session
from app.api.workspace import get_verified_current_user
from app.db.session import get_db
from app.models.supplier import Supplier
from app.models.user import User
from app.schemas.supplier import SupplierCreate,SupplierUpdate
from app.services.suppliers import list_suppliers
from app.services.workspace import get_membership_for_business
router=APIRouter(tags=["Suppliers"])
def access(db,user,business):
 if not get_membership_for_business(db,user,business):raise HTTPException(404,"Business workspace not found.")
def detail(business,supplier,user,db):
 access(db,user,business);obj=db.get(Supplier,supplier)
 if not obj or obj.business_id!=business:raise HTTPException(404,"Supplier not found.")
 return obj
@router.post("/api/businesses/{business_id}/suppliers",status_code=201)
def create(business_id:UUID,data:SupplierCreate,user:User=Depends(get_verified_current_user),db:Session=Depends(get_db)):
 access(db,user,business_id);obj=Supplier(business_id=business_id,**data.model_dump());db.add(obj);db.commit();db.refresh(obj);return obj
@router.get("/api/businesses/{business_id}/suppliers")
def listing(business_id:UUID,q:str|None=None,active:bool|None=None,user:User=Depends(get_verified_current_user),db:Session=Depends(get_db)):
 access(db,user,business_id);return list_suppliers(db,business_id,q,active)
@router.get("/api/businesses/{business_id}/suppliers/{supplier_id}")
def get_detail(business_id:UUID,supplier_id:UUID,user:User=Depends(get_verified_current_user),db:Session=Depends(get_db)):return detail(business_id,supplier_id,user,db)
@router.patch("/api/businesses/{business_id}/suppliers/{supplier_id}")
def update(business_id:UUID,supplier_id:UUID,data:SupplierUpdate,user:User=Depends(get_verified_current_user),db:Session=Depends(get_db)):
 obj=detail(business_id,supplier_id,user,db)
 for k,v in data.model_dump(exclude_unset=True).items():setattr(obj,k,v)
 db.commit();db.refresh(obj);return obj