apiVersion: v1
kind: ConfigMap
metadata:
  name: postgres-config
  namespace: gravl-staging
data:
  POSTGRES_DB: gravl
  POSTGRES_USER: gravl_user
---
apiVersion: v1
kind: Secret
metadata:
  name: postgres-secret
  namespace: gravl-staging
type: Opaque
stringData:
  POSTGRES_PASSWORD: "gravl_staging_password_12345"
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: postgres
  namespace: gravl-staging
spec:
  serviceName: postgres
  replicas: 1
  selector:
    matchLabels:
      app: postgres
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
      - name: postgres
        image: postgres:16-alpine
        ports:
        - name: postgres
          containerPort: 5432
        envFrom:
        - configMapRef:
            name: postgres-config
        - secretRef:
            name: postgres-secret
        volumeMounts:
        - name: postgres-storage
          mountPath: /var/lib/postgresql/data
          subPath: postgres
        - name: init-script
          mountPath: /docker-entrypoint-initdb.d
        livenessProbe:
          exec:
            command:
            - /bin/sh
            - -c
            - pg_isready -U gravl_user
          initialDelaySeconds: 30
          periodSeconds: 10
        readinessProbe:
          exec:
            command:
            - /bin/sh
            - -c
            - pg_isready -U gravl_user
          initialDelaySeconds: 5
          periodSeconds: 10
        resources:
          requests:
            memory: "256Mi"
            cpu: "100m"
          limits:
            memory: "512Mi"
            cpu: "500m"
      volumes:
      - name: init-script
        configMap:
          name: postgres-init
          defaultMode: 0755
  volumeClaimTemplates:
  - metadata:
      name: postgres-storage
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 5Gi
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: postgres-init
  namespace: gravl-staging
data:
  init.sql: |
    CREATE TABLE IF NOT EXISTS users (
      id SERIAL PRIMARY KEY,
      username VARCHAR(100) UNIQUE NOT NULL,
      email VARCHAR(100) UNIQUE NOT NULL,
      password_hash VARCHAR(255) NOT NULL,
      created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
    );

    CREATE TABLE IF NOT EXISTS workouts (
      id SERIAL PRIMARY KEY,
      user_id INTEGER REFERENCES users(id) ON DELETE CASCADE,
      name VARCHAR(255) NOT NULL,
      description TEXT,
      created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
    );

    CREATE TABLE IF NOT EXISTS exercises (
      id SERIAL PRIMARY KEY,
      workout_id INTEGER REFERENCES workouts(id) ON DELETE CASCADE,
      name VARCHAR(255) NOT NULL,
      sets INTEGER,
      reps INTEGER,
      weight DECIMAL(10, 2),
      created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
    );

    CREATE TABLE IF NOT EXISTS workout_logs (
      id SERIAL PRIMARY KEY,
      user_id INTEGER REFERENCES users(id) ON DELETE CASCADE,
      workout_id INTEGER REFERENCES workouts(id),
      logged_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
      duration_minutes INTEGER,
      notes TEXT
    );
---
apiVersion: v1
kind: Service
metadata:
  name: postgres
  namespace: gravl-staging
spec:
  clusterIP: None
  selector:
    app: postgres
  ports:
  - name: postgres
    port: 5432
    targetPort: 5432