import { firestore } from "../firebase";
import type { ProductDoc } from "../types/reward";
export function productRef(id: string) { return firestore.doc(`products/${id}`); }
export function availableStock(product: Pick<ProductDoc, "totalStock" | "reservedStock" | "safetyStock">) { return product.totalStock - product.reservedStock - product.safetyStock; }
export async function listProducts(): Promise<Array<ProductDoc & { id: string }>> { const s = await firestore.collection("products").where("active", "==", true).where("redeemable", "==", true).get(); return s.docs.map((d) => ({ id: d.id, ...(d.data() as ProductDoc) })); }
export async function getProduct(id: string): Promise<(ProductDoc & { id: string }) | null> { const s = await productRef(id).get(); return s.exists ? { id, ...(s.data() as ProductDoc) } : null; }