{{- if .Values.postgresql.enabled }}
apiVersion: postgresql.cnpg.io/v1
kind: Cluster
metadata:
  name: {{ .Values.postgresql.clusterName }}
  namespace: {{ .Values.namespace }}
  labels:
    {{- include "osint-dashboard.labels" . | nindent 4 }}
spec:
  instances: {{ .Values.postgresql.instances }}
  imageName: {{ .Values.postgresql.imageName }}
  storage:
    size: {{ .Values.postgresql.storage.size }}
    storageClass: {{ .Values.postgresql.storage.storageClass }}
  resources:
    {{- toYaml .Values.postgresql.resources | nindent 4 }}
  # PostGIS + TimescaleDB extensions via shared_preload_libraries
  postgresql:
    shared_preload_libraries:
      - pggis
      - timescaledb
    parameters:
      max_connections: "500"
      shared_buffers: "2GB"
      effective_cache_size: "6GB"
      maintenance_work_mem: "512MB"
      work_mem: "16MB"
      wal_buffers: "64MB"
      random_page_cost: "1.1"
      effective_io_concurrency: "200"
      default_statistics_target: "200"
      max_parallel_workers_per_gather: "4"
  bootstrap:
    initdb:
      database: osint
      owner: osint_admin
      secret:
        name: {{ .Values.postgresql.credentialsSecret }}
      postInitializationSQL:
        # Install PostGIS extension
        - >-
          CREATE EXTENSION IF NOT EXISTS postgis;
        - >-
          CREATE EXTENSION IF NOT EXISTS postgis_raster;
        - >-
          CREATE EXTENSION IF NOT EXISTS postgis_topology;
        # Install TimescaleDB extension
        - >-
          CREATE EXTENSION IF NOT EXISTS timescaledb;
        # Create hypertable for events
        - >-
          CREATE TABLE IF NOT EXISTS events (
            time TIMESTAMPTZ NOT NULL,
            id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
            source TEXT NOT NULL,
            event_type TEXT,
            title TEXT,
            description TEXT,
            location GEOGRAPHY(POINT, 4326),
            severity INT DEFAULT 0,
            tags TEXT[],
            raw_data JSONB,
            created_at TIMESTAMPTZ DEFAULT NOW()
          );
        - >-
          SELECT create_hypertable('events', 'time', if_not_exists => TRUE);
        - >-
          CREATE INDEX IF NOT EXISTS events_loc_idx ON events USING GIST (location);
        - >-
          CREATE INDEX IF NOT EXISTS events_time_idx ON events (time DESC);
        # Create sources reference table
        - >-
          CREATE TABLE IF NOT EXISTS sources (
            id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
            name TEXT NOT NULL,
            type TEXT NOT NULL,
            config JSONB,
            active BOOLEAN DEFAULT TRUE
          );
        # Create video_feeds table
        - >-
          CREATE TABLE IF NOT EXISTS video_feeds (
            id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
            name TEXT NOT NULL,
            rtsp_url TEXT NOT NULL,
            zlm_stream_key TEXT NOT NULL,
            location GEOGRAPHY(POINT, 4326),
            active BOOLEAN DEFAULT TRUE,
            last_heartbeat TIMESTAMPTZ
          );
  managed:
    roles:
      - name: osint_admin
        ensure: present
        login: true
        passwordSecret:
          name: {{ .Values.postgresql.credentialsSecret }}
      - name: osint_reader
        ensure: present
        login: true
        passwordSecret:
          name: osint-pg-reader-credentials
  backup:
    barmanObjectStore:
      destinationPath: "{{ .Values.postgresql.backup.bucket }}"
      googleCredentials:
        gkeEnvironment: true
      wal:
        compression: gzip
      data:
        compression: gzip
        jobs: 2
    retentionPolicy: {{ .Values.postgresql.backup.retentionPolicy }}
    target: primary
  monitoring:
    customQueries:
      - query: >-
          SELECT relname, schemaname, seq_scan, seq_tup_read, idx_scan, idx_tup_fetch
          FROM pg_stat_user_tables WHERE schemaname = 'public';
        metrics:
          - relname:
              usage: "LABEL"
              description: "Table name"
          - schemaname:
              usage: "LABEL"
              description: "Schema name"
          - seq_scan:
              usage: "GAUGE"
              description: "Number of sequential scans"
          - seq_tup_read:
              usage: "GAUGE"
              description: "Number of tuples read"
          - idx_scan:
              usage: "GAUGE"
              description: "Number of index scans"
          - idx_tup_fetch:
              usage: "GAUGE"
              description: "Number of tuples fetched via index"
  affinity:
    enablePodAntiAffinity: true
  topologySpreadConstraints:
    - maxSkew: 1
      topologyKey: topology.kubernetes.io/zone
      whenUnsatisfiable: DoNotSchedule
      labelSelector:
        matchLabels:
          postgresql.cnpg.io/cluster: {{ .Values.postgresql.clusterName }}
  nodesAutoRemediationChecks:
    livenessProbe:
      initialDelaySeconds: 10
      timeoutSeconds: 5
{{- end }}