{{- if .Values.monitoring.enabled }}
{{- /*
  For every app that declares a container port named "metrics", create:
   - a headless <name>-metrics Service exposing that port
   - a ServiceMonitor (labeled for the Prometheus release) scraping it
  Frontend/redis/nats have no metrics port, so they are skipped automatically.
*/ -}}
{{- range $name, $app := .Values.apps }}
{{- range $app.ports }}
{{- if eq .name "metrics" }}
apiVersion: v1
kind: Service
metadata:
  name: {{ $name }}-metrics
  namespace: {{ include "planpal.namespace" $ }}
  labels:
    app: {{ $name }}
    planpal-metrics: "true"
spec:
  clusterIP: None   # headless; ServiceMonitor scrapes the pods behind it
  selector: { app: {{ $name }} }
  ports:
  - name: metrics
    port: {{ .containerPort }}
    targetPort: {{ .containerPort }}
---
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: {{ $name }}
  namespace: {{ include "planpal.namespace" $ }}
  labels:
    # Prometheus (kube-prometheus-stack) only discovers ServiceMonitors with this label.
    release: {{ $.Values.monitoring.prometheusRelease }}
spec:
  namespaceSelector:
    matchNames: [{{ include "planpal.namespace" $ }}]
  selector:
    matchLabels: { app: {{ $name }}, planpal-metrics: "true" }
  endpoints:
  - port: metrics
    interval: {{ $.Values.monitoring.scrapeInterval }}
    path: /metrics
---
{{- end }}
{{- end }}
{{- end }}
{{- end }}