{{- if .Values.postgresql.enabled }}
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ template "postgresql.fullname" . }}
  labels:
    {{- include "gitea.labels" . | nindent 4 }}
    app.kubernetes.io/component: database
spec:
  serviceName: {{ template "postgresql.serviceName" . }}
  replicas: 1 # Un seul pod pour une base simple
  selector:
    matchLabels:
      {{- include "postgresql.selectorLabels" . | nindent 6 }}
      app.kubernetes.io/component: database
  template:
    metadata:
      labels:
        {{- include "postgresql.selectorLabels" . | nindent 8 }}
        app.kubernetes.io/component: database
    spec:
      terminationGracePeriodSeconds: 10
      containers:
        - name: postgresql
          image: "{{ .Values.postgresql.image.repository }}:{{ .Values.postgresql.image.tag }}"
          imagePullPolicy: {{ .Values.postgresql.image.pullPolicy }}
          ports:
            - name: postgresql
              containerPort: {{ .Values.postgresql.service.port }}
              protocol: TCP
          env:
            - name: POSTGRES_DB
              valueFrom:
                secretKeyRef:
                  name: {{ template "postgresql.secretName" . }}
                  key: database
            - name: POSTGRES_USER
              valueFrom:
                secretKeyRef:
                  name: {{ template "postgresql.secretName" . }}
                  key: username
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ template "postgresql.secretName" . }}
                  key: password
            # PGDATA est important pour indiquer où stocker les données
            - name: PGDATA
              value: {{ .Values.postgresql.persistence.mountPath }}/pgdata
        {{- if .Values.postgresql.persistence.enabled }}
          volumeMounts:
            - name: postgresql-data
              mountPath: {{ .Values.postgresql.persistence.mountPath }}
        {{- end }}
          # Ajouter des Liveness/Readiness Probes est recommandé en production
          livenessProbe:
            exec:
              command: ["pg_isready", "-U", "$(POSTGRES_USER)", "-d", "$(POSTGRES_DB)", "-h", "127.0.0.1", "-p", "{{ .Values.postgresql.service.port }}"]
            initialDelaySeconds: 30
            periodSeconds: 10
            timeoutSeconds: 5
            failureThreshold: 6
          readinessProbe:
            exec:
              command: ["pg_isready", "-U", "$(POSTGRES_USER)", "-d", "$(POSTGRES_DB)", "-h", "127.0.0.1", "-p", "{{ .Values.postgresql.service.port }}"]
            initialDelaySeconds: 5
            periodSeconds: 10
            timeoutSeconds: 5
            failureThreshold: 6
      {{- if not .Values.postgresql.persistence.enabled }}
      volumes:
        - name: postgresql-data # Volume éphémère si persistance désactivée
          emptyDir: {}
      {{- end }}
  {{- if .Values.postgresql.persistence.enabled }}
  volumeClaimTemplates:
    - metadata:
        name: postgresql-data
      spec:
        accessModes: [ "ReadWriteOnce" ]
        resources:
          requests:
            storage: {{ .Values.postgresql.persistence.size }}
      {{- if .Values.postgresql.persistence.storageClass }}
      {{- if (eq "-" .Values.postgresql.persistence.storageClass) }}
        storageClassName: ""
      {{- else }}
        storageClassName: "{{ .Values.postgresql.persistence.storageClass }}"
      {{- end }}
      {{- end }}
  {{- end }}
{{- end }}