---
# K8s Job для створення NATS JetStream streams
apiVersion: batch/v1
kind: Job
metadata:
  name: nats-create-streams
  namespace: nats
spec:
  template:
    spec:
      containers:
        - name: create-streams
          image: python:3.11-slim
          command:
            - /bin/sh
            - -c
            - |
              pip install -q nats-py
              python3 << 'PYEOF'
              import asyncio
              from nats.js import api
              from nats.aio.client import Client as NATS

              async def main():
                  nc = NATS()
                  await nc.connect("nats://nats-client.nats:4222")
                  js = nc.jetstream()
                  
                  streams = [
                      {"name": "MM_ONLINE", "subjects": ["mm.embed.online", "mm.retrieve.online", "mm.summarize.online"], "max_age": 1800000000000, "max_deliver": 3},
                      {"name": "MM_OFFLINE", "subjects": ["mm.embed.offline", "mm.index.offline", "mm.backfill.offline"], "max_age": 604800000000000, "max_deliver": 10},
                      {"name": "MM_WRITE", "subjects": ["mm.qdrant.upsert", "mm.pg.write", "mm.neo4j.write"], "max_age": 604800000000000, "max_deliver": 10},
                      {"name": "MM_EVENTS", "subjects": ["mm.event.audit", "mm.event.status"], "max_age": 2592000000000000}
                  ]
                  
                  for s in streams:
                      try:
                          await js.add_stream(
                              name=s["name"],
                              subjects=s["subjects"],
                              retention=api.RetentionPolicy.LIMITS,
                              max_age=s["max_age"],
                              storage=api.StorageType.FILE,
                              replicas=1,
                              discard=api.DiscardPolicy.OLD,
                              max_deliver=s.get("max_deliver", 10)
                          )
                          print(f"✅ {s['name']}")
                      except Exception as e:
                          if "already in use" in str(e).lower():
                              print(f"⚠️  {s['name']} вже існує")
                          else:
                              print(f"❌ {s['name']}: {e}")
                  
                  print("\n📋 Створені streams:")
                  for stream_name in await js.stream_names():
                      info = await js.stream_info(stream_name)
                      print(f"  - {stream_name}: {len(info.config.subjects)} subjects")
                  
                  await nc.close()

              asyncio.run(main())
              PYEOF
      restartPolicy: Never
  backoffLimit: 3