apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ include "schedulerservice.fullname" . }}
  labels:
    {{- include "schedulerservice.labels" . | nindent 4 }}
spec:
  {{- if not .Values.autoscaling.enabled }}
  replicas: {{ .Values.replicaCount }}
  {{- end }}
  selector:
    matchLabels:
      {{- include "schedulerservice.selectorLabels" . | nindent 6 }}
  template:
    metadata:
      {{- with .Values.podAnnotations }}
      annotations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      labels:
        {{- include "schedulerservice.labels" . | nindent 8 }}
        {{- with .Values.podLabels }}
        {{- toYaml . | nindent 8 }}
        {{- end }}
    spec:
      {{- with .Values.imagePullSecrets }}
      imagePullSecrets:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      serviceAccountName: {{ include "schedulerservice.serviceAccountName" . }}
      securityContext:
        {{- toYaml .Values.podSecurityContext | nindent 8 }}
      initContainers:
        # Generate hibernate.cfg.xml and wait for MySQL to be ready
        - name: init-db-config
          image: mysql:5.7
          command:
            - sh
            - -c
            - |
              # Derive MySQL host from namespace
              MYSQL_HOST="{{ .Release.Namespace }}-os-schedules-argo-syncer-mysql"
              MYSQL_PORT="{{ .Values.externalDatabase.port }}"
              MYSQL_DB="{{ .Values.externalDatabase.database }}"
              MYSQL_USER="{{ .Values.externalDatabase.username }}"

              echo "Generating hibernate.cfg.xml..."
              cat > /db-config/hibernate.cfg.xml <<EOF
              <?xml version="1.0" encoding="utf-8" ?>
              <!DOCTYPE hibernate-configuration PUBLIC
                        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
                        "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
              <hibernate-configuration>
                  <session-factory>
                      <property name="connection.driver_class">com.mysql.cj.jdbc.Driver</property>
                      <property name="connection.url">jdbc:mysql://${MYSQL_HOST}:${MYSQL_PORT}/${MYSQL_DB}?useUnicode=true&amp;characterEncoding=utf8</property>
                      <property name="connection.username">${MYSQL_USER}</property>
                      <property name="connection.password">${MYSQL_PASSWORD}</property>
                      <property name="connection.pool_size">1</property>
                      <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
                      <property name="current_session_context_class">thread</property>
                      <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>
                      <property name="show_sql">false</property>
                      <property name="connection.isolation">2</property>
                      <property name="connection.autocommit">true</property>
                  </session-factory>
              </hibernate-configuration>
              EOF

              echo "Waiting for MySQL to be fully initialized..."
              until mysql -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u ${MYSQL_USER} -p${MYSQL_PASSWORD} -e "SELECT 1 FROM group_details LIMIT 1" ${MYSQL_DB} 2>/dev/null; do
                echo "Waiting for database tables to be created..."
                sleep 5
              done
              echo "MySQL is fully initialized!"
          env:
            - name: MYSQL_PASSWORD
              value: {{ .Values.externalDatabase.password | quote }}
          volumeMounts:
            - name: db-config
              mountPath: /db-config
      containers:
        - name: {{ .Chart.Name }}
          securityContext:
            {{- toYaml .Values.securityContext | nindent 12 }}
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          ports:
            - name: http
              containerPort: {{ .Values.service.targetPort }}
              protocol: TCP
          {{- if .Values.livenessProbe }}
          livenessProbe:
            {{- toYaml .Values.livenessProbe | nindent 12 }}
          {{- end }}
          {{- if .Values.readinessProbe }}
          readinessProbe:
            {{- toYaml .Values.readinessProbe | nindent 12 }}
          {{- end }}
          {{- if .Values.startupProbe }}
          startupProbe:
            {{- toYaml .Values.startupProbe | nindent 12 }}
          {{- end }}
          resources:
            {{- toYaml .Values.resources | nindent 12 }}
          volumeMounts:
            {{- if .Values.config.enabled }}
            - name: config
              mountPath: {{ .Values.config.mountPath }}
            {{- end }}
            - name: db-config
              mountPath: /etc/onlinesales/db
              readOnly: true
          {{- with .Values.env }}
          env:
            {{- toYaml . | nindent 12 }}
          {{- end }}
      volumes:
        {{- if .Values.config.enabled }}
        - name: config
          configMap:
            name: {{ include "schedulerservice.fullname" . }}-config
        {{- end }}
        - name: db-config
          emptyDir: {}
      {{- with .Values.nodeSelector }}
      nodeSelector:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.affinity }}
      affinity:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.tolerations }}
      tolerations:
        {{- toYaml . | nindent 8 }}
      {{- end }}