# backend/app/routers/fabrications.py
from typing import List, Optional
from fastapi import APIRouter, Depends, HTTPException, Query, status
from sqlmodel import Session, select
from app.database import get_session
from app.models.intrant import Fabrication, FabricationStatutUpdate

router = APIRouter(tags=["intrants"])


@router.get("/fabrications", response_model=List[Fabrication])
def list_fabrications(
    type: Optional[str] = Query(None),
    statut: Optional[str] = Query(None),
    jardin_id: Optional[int] = Query(None),
    session: Session = Depends(get_session),
):
    q = select(Fabrication)
    if type:
        q = q.where(Fabrication.type == type)
    if statut:
        q = q.where(Fabrication.statut == statut)
    if jardin_id:
        q = q.where(Fabrication.jardin_id == jardin_id)
    return session.exec(q.order_by(Fabrication.created_at.desc())).all()


@router.post("/fabrications", response_model=Fabrication, status_code=status.HTTP_201_CREATED)
def create_fabrication(f: Fabrication, session: Session = Depends(get_session)):
    session.add(f)
    session.commit()
    session.refresh(f)
    return f


@router.get("/fabrications/{id}", response_model=Fabrication)
def get_fabrication(id: int, session: Session = Depends(get_session)):
    f = session.get(Fabrication, id)
    if not f:
        raise HTTPException(404, "Fabrication introuvable")
    return f


@router.put("/fabrications/{id}", response_model=Fabrication)
def update_fabrication(id: int, data: Fabrication, session: Session = Depends(get_session)):
    f = session.get(Fabrication, id)
    if not f:
        raise HTTPException(404, "Fabrication introuvable")
    for k, v in data.model_dump(exclude_unset=True, exclude={"id", "created_at"}).items():
        setattr(f, k, v)
    session.add(f)
    session.commit()
    session.refresh(f)
    return f


@router.patch("/fabrications/{id}/statut", response_model=Fabrication)
def update_statut(id: int, data: FabricationStatutUpdate, session: Session = Depends(get_session)):
    f = session.get(Fabrication, id)
    if not f:
        raise HTTPException(404, "Fabrication introuvable")
    valid = {"en_cours", "pret", "utilise", "echec"}
    if data.statut not in valid:
        raise HTTPException(400, f"Statut invalide. Valeurs: {valid}")
    f.statut = data.statut
    session.add(f)
    session.commit()
    session.refresh(f)
    return f


@router.delete("/fabrications/{id}", status_code=status.HTTP_204_NO_CONTENT)
def delete_fabrication(id: int, session: Session = Depends(get_session)):
    f = session.get(Fabrication, id)
    if not f:
        raise HTTPException(404, "Fabrication introuvable")
    session.delete(f)
    session.commit()