{{- if and .Values.migrations.enabled .Values.postgres.enabled }}
apiVersion: batch/v1
kind: Job
metadata:
  name: {{ include "cloudhost-platform.fullname" . }}-migrations
  namespace: {{ include "cloudhost-platform.namespace" . }}
  labels:
    {{- include "cloudhost-platform.labels" . | nindent 4 }}
  annotations:
    # Run BEFORE the backend rolls out so schema-dependent code never starts
    # against an unmigrated database.
    helm.sh/hook: pre-install,pre-upgrade
    helm.sh/hook-weight: "5"
    helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
spec:
  backoffLimit: 3
  template:
    spec:
      restartPolicy: OnFailure
      initContainers:
        - name: wait-postgres
          image: {{ .Values.images.busybox | quote }}
          command:
            - sh
            - -c
            - |
              until nc -z {{ include "cloudhost-platform.postgres.fullname" . }} 5432; do
                sleep 2
              done
      containers:
        - name: migrate
          image: {{ .Values.migrations.image | quote }}
          env:
            - name: PGHOST
              value: {{ include "cloudhost-platform.postgres.fullname" . }}
            - name: PGPORT
              value: "5432"
            - name: PGDATABASE
              value: {{ .Values.postgres.database | quote }}
            - name: PGUSER
              value: {{ .Values.postgres.username | quote }}
            - name: PGPASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ include "cloudhost-platform.secretName" . }}
                  key: postgres-password
          command:
            - sh
            - -c
            - |
              set -e
              # Track applied migrations so each file runs exactly once — the
              # loop is idempotent across every helm upgrade.
              psql -v ON_ERROR_STOP=1 -c "CREATE TABLE IF NOT EXISTS schema_migrations (filename TEXT PRIMARY KEY, applied_at TIMESTAMPTZ NOT NULL DEFAULT NOW());"
              for f in $(ls /migrations/*.sql | sort); do
                name=$(basename "$f")
                applied=$(psql -tA -c "SELECT 1 FROM schema_migrations WHERE filename = '$name';")
                if [ "$applied" = "1" ]; then
                  echo ">>> Skipping $name (already applied)"
                  continue
                fi
                echo ">>> Applying $name"
                psql -v ON_ERROR_STOP=1 --single-transaction \
                  -f "$f" \
                  -c "INSERT INTO schema_migrations (filename) VALUES ('$name');"
              done
              echo ">>> All migrations applied"
          volumeMounts:
            - name: migrations
              mountPath: /migrations
      volumes:
        - name: migrations
          configMap:
            name: {{ include "cloudhost-platform.fullname" . }}-migrations
{{- end }}