---
# Role: smartapp
# Template: smartapp-api.yml.j2
# Déploiement de l'API backend SmartApp
# Variables:
#   {{ smartapp_namespace }}  - Namespace Kubernetes (défaut: smartapp)
#   {{ smartapp_domain }}     - Domaine public (défaut: api-smartapp.digitribe.fr)

---
apiVersion: v1
kind: Namespace
metadata:
  name: {{ smartapp_namespace | default('smartapp') }}
  labels:
    app: smartapp
    component: api
    version: "1.0"

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: smartapp-api-config
  namespace: {{ smartapp_namespace | default('smartapp') }}
  labels:
    app: smartapp
    component: api
    version: "1.0"
data:
  APP_ENV: "production"
  APP_PORT: "8080"
  LOG_LEVEL: "info"
  CORS_ORIGINS: "https://smartapp.digitribe.fr"
  DATABASE_POOL_SIZE: "10"
  REDIS_POOL_SIZE: "5"

---
apiVersion: v1
kind: Secret
metadata:
  name: smartapp-api-secrets
  namespace: {{ smartapp_namespace | default('smartapp') }}
  labels:
    app: smartapp
    component: api
    version: "1.0"
type: Opaque
stringData:
  DATABASE_URL: "postgresql://smartapp:{{ smartapp_db_password | default('changeme') }}@postgres.smartapp.svc.cluster.local:5432/smartapp"
  REDIS_URL: "redis://redis.smartapp.svc.cluster.local:6379/0"
  JWT_SECRET: "{{ smartapp_jwt_secret | default('change-this-secret-in-production') }}"

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: smartapp-api
  namespace: {{ smartapp_namespace | default('smartapp') }}
  labels:
    app: smartapp
    component: api
    version: "1.0"
spec:
  replicas: 2
  selector:
    matchLabels:
      app: smartapp
      component: api
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
  template:
    metadata:
      labels:
        app: smartapp
        component: api
        version: "1.0"
    spec:
      containers:
        - name: api
          image: digitribe/smartapp-api:{{ smartapp_api_version | default('latest') }}
          imagePullPolicy: IfNotPresent
          ports:
            - name: http
              containerPort: 8080
              protocol: TCP
          envFrom:
            - configMapRef:
                name: smartapp-api-config
          env:
            - name: DATABASE_URL
              valueFrom:
                secretKeyRef:
                  name: smartapp-api-secrets
                  key: DATABASE_URL
            - name: REDIS_URL
              valueFrom:
                secretKeyRef:
                  name: smartapp-api-secrets
                  key: REDIS_URL
            - name: JWT_SECRET
              valueFrom:
                secretKeyRef:
                  name: smartapp-api-secrets
                  key: JWT_SECRET
          resources:
            requests:
              cpu: "250m"
              memory: "512Mi"
            limits:
              cpu: "1000m"
              memory: "1Gi"
          livenessProbe:
            httpGet:
              path: /api/v1/health/live
              port: http
            initialDelaySeconds: 15
            periodSeconds: 20
            timeoutSeconds: 5
            failureThreshold: 3
          readinessProbe:
            httpGet:
              path: /api/v1/health/ready
              port: http
            initialDelaySeconds: 10
            periodSeconds: 10
            timeoutSeconds: 3
            failureThreshold: 3
          startupProbe:
            httpGet:
              path: /api/v1/health/live
              port: http
            initialDelaySeconds: 5
            periodSeconds: 5
            failureThreshold: 12
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 100
              podAffinityTerm:
                labelSelector:
                  matchExpressions:
                    - key: app
                      operator: In
                      values:
                        - smartapp
                    - key: component
                      operator: In
                      values:
                        - api
                topologyKey: kubernetes.io/hostname

---
apiVersion: v1
kind: Service
metadata:
  name: smartapp-api
  namespace: {{ smartapp_namespace | default('smartapp') }}
  labels:
    app: smartapp
    component: api
    version: "1.0"
spec:
  type: ClusterIP
  selector:
    app: smartapp
    component: api
  ports:
    - name: http
      port: 8080
      targetPort: 8080
      protocol: TCP

---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: smartapp-api
  namespace: {{ smartapp_namespace | default('smartapp') }}
  labels:
    app: smartapp
    component: api
    version: "1.0"
  annotations:
    nginx.ingress.kubernetes.io/rewrite-target: /
    nginx.ingress.kubernetes.io/ssl-redirect: "true"
    nginx.ingress.kubernetes.io/proxy-body-size: "10m"
    nginx.ingress.kubernetes.io/rate-limit: "100"
    nginx.ingress.kubernetes.io/rate-limit-window: "1m"
    cert-manager.io/cluster-issuer: "letsencrypt-prod"
spec:
  ingressClassName: nginx
  tls:
    - hosts:
        - {{ smartapp_domain | default('api-smartapp.digitribe.fr') }}
      secretName: smartapp-api-tls
  rules:
    - host: {{ smartapp_domain | default('api-smartapp.digitribe.fr') }}
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: smartapp-api
                port:
                  number: 8080

---
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: smartapp-api
  namespace: {{ smartapp_namespace | default('smartapp') }}
  labels:
    app: smartapp
    component: api
    version: "1.0"
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: smartapp-api
  minReplicas: 2
  maxReplicas: 10
  metrics:
    - type: Resource
      resource:
        name: cpu
        target:
          type: Utilization
          averageUtilization: 70
    - type: Resource
      resource:
        name: memory
        target:
          type: Utilization
          averageUtilization: 80
  behavior:
    scaleUp:
      stabilizationWindowSeconds: 60
      policies:
        - type: Percent
          value: 50
          periodSeconds: 60
    scaleDown:
      stabilizationWindowSeconds: 300
      policies:
        - type: Percent
          value: 25
          periodSeconds: 120