# The simulator: a stub of the API the DAG reads, faithful to the wire (its field
# names are the API's, not the app's). Same shape as the starter's example-mock.
apiVersion: v1
kind: ConfigMap
metadata:
  name: items-api-stub
data:
  routes.json: |
    {
      "/health":   {"status": 200, "body": {"status": "ok"}},
      "/v1/items": {"status": 200, "body": {"items": [
        {"id": "a-100", "name": "anvil",  "price": {"amount_cents": 1999, "currency": "USD"}},
        {"id": "b-200", "name": "bucket", "price": {"amount_cents": 450,  "currency": "USD"}},
        {"id": "c-300", "name": "crate",  "price": {"amount_cents": 1200, "currency": "USD"}}
      ]}}
    }
  serve.py: |
    import json, os
    from http.server import BaseHTTPRequestHandler, HTTPServer

    ROUTES = json.load(open("/etc/stub/routes.json"))
    NAME = os.environ.get("STUB_NAME", "stub")

    class H(BaseHTTPRequestHandler):
        def do_GET(self):
            r = ROUTES.get(self.path)
            if r is None:
                self.send_response(404)
                self.end_headers()
                self.wfile.write(json.dumps(
                    {"error": "no canned route", "stub": NAME, "path": self.path}
                ).encode())
                return
            body = json.dumps(r["body"]).encode()
            self.send_response(r["status"])
            self.send_header("Content-Type", "application/json")
            self.send_header("X-Mocked-By", NAME)
            self.end_headers()
            self.wfile.write(body)

        def log_message(self, fmt, *args):
            print("%s %s" % (NAME, fmt % args), flush=True)

    HTTPServer(("0.0.0.0", 8080), H).serve_forever()
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: items-api
  labels:
    app: items-api
    rig.component/impl: mock
spec:
  replicas: 1
  selector:
    matchLabels:
      app: items-api
  template:
    metadata:
      labels:
        app: items-api
    spec:
      containers:
        - name: stub
          image: python:3.12-slim
          command: ["python3", "/etc/stub/serve.py"]
          env:
            - name: STUB_NAME
              value: items-api
          ports:
            - containerPort: 8080
          volumeMounts:
            - name: stub
              mountPath: /etc/stub
          readinessProbe:
            httpGet: { path: /health, port: 8080 }
            initialDelaySeconds: 2
          resources:
            requests: { memory: 32Mi, cpu: 10m }
            limits:   { memory: 64Mi }
      volumes:
        - name: stub
          configMap:
            name: items-api-stub
---
apiVersion: v1
kind: Service
metadata:
  name: items-api
spec:
  selector:
    app: items-api
  ports:
    - port: 80
      targetPort: 8080