{{- if .Values.postgresql.enabled }}
# In-cluster PostgreSQL StatefulSet — experimental.
# The credentials secret must be created manually before first deploy:
#
#   kubectl create secret generic {{ .Values.postgresql.existingSecret }} \
#     --namespace {{ .Release.Namespace }} \
#     --from-literal=POSTGRES_USER=jellyfin \
#     --from-literal=POSTGRES_PASSWORD=<strong-password> \
#     --from-literal=POSTGRES_DB=jellyfin \
#     --from-literal=DATABASE_URL="postgresql://jellyfin:<password>@{{ include "jellyfin-ha.postgres.fullname" . }}:5432/jellyfin"
#
# SECURITY: Do NOT add a Secret resource here. Applying this file must not
# overwrite a live secret.
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ include "jellyfin-ha.postgres.fullname" . }}
  namespace: {{ .Release.Namespace }}
  labels:
    {{- include "jellyfin-ha.labels" . | nindent 4 }}
    app.kubernetes.io/component: database
spec:
  replicas: 1
  serviceName: {{ include "jellyfin-ha.postgres.fullname" . }}
  selector:
    matchLabels:
      app.kubernetes.io/name: {{ include "jellyfin-ha.name" . }}
      app.kubernetes.io/instance: {{ .Release.Name }}
      app.kubernetes.io/component: database
  template:
    metadata:
      labels:
        app.kubernetes.io/name: {{ include "jellyfin-ha.name" . }}
        app.kubernetes.io/instance: {{ .Release.Name }}
        app.kubernetes.io/component: database
    spec:
      containers:
        - name: postgres
          image: "{{ .Values.postgresql.image.repository }}:{{ .Values.postgresql.image.tag }}"
          imagePullPolicy: {{ .Values.postgresql.image.pullPolicy }}
          ports:
            - name: postgres
              containerPort: 5432
              protocol: TCP
          env:
            - name: POSTGRES_USER
              valueFrom:
                secretKeyRef:
                  name: {{ .Values.postgresql.existingSecret }}
                  key: POSTGRES_USER
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ .Values.postgresql.existingSecret }}
                  key: POSTGRES_PASSWORD
            - name: POSTGRES_DB
              valueFrom:
                secretKeyRef:
                  name: {{ .Values.postgresql.existingSecret }}
                  key: POSTGRES_DB
            - name: PGDATA
              value: /var/lib/postgresql/data/pgdata
          resources:
            {{- toYaml .Values.postgresql.resources | nindent 12 }}
          livenessProbe:
            exec:
              command: ["pg_isready", "-U", "$(POSTGRES_USER)"]
            initialDelaySeconds: 30
            periodSeconds: 20
            timeoutSeconds: 5
          readinessProbe:
            exec:
              command: ["pg_isready", "-U", "$(POSTGRES_USER)"]
            initialDelaySeconds: 10
            periodSeconds: 10
            timeoutSeconds: 3
          volumeMounts:
            - name: data
              mountPath: /var/lib/postgresql/data
      volumes:
        - name: data
          persistentVolumeClaim:
            claimName: {{ include "jellyfin-ha.postgres.fullname" . }}-data
{{- end }}