// showcase's provisioner — how a consumer is given an instance of what this module provides.
//
// **A provider ships the provisioner that creates instances of the resource it offers** (ADR
// 0040). The mesh asks; this adapts that request to whatever the software actually needs. The
// reconcile loop is the sdk's (`runProvisioner`); this writes only the per-service half.
import { runProvisioner, type Provision } from "@novox/mesh-sdk/provisioner";

runProvisioner("greeting", {
  async create(p: Provision): Promise<void> {
    // A real provider would create something here — a database, a vhost, an account. This one has
    // nothing to create: what a consumer is told is the manifest's `serves` block, which the mesh
    // fills for this consumer, seals and delivers (ADR 0048), so the consumer never sees this code.
    console.log(`[showcase] greeting ready for ${p.consumer ?? p.as}`);
  },
  async remove(): Promise<void> {
    // Removal is not optional. A provider that cannot take an instance back leaves the mesh unable
    // to unassign a consumer without leaking whatever it was given. Nothing was made, so nothing goes.
  },
});