groups:
  - name: bambulab-exporter
    rules:
      - alert: BambuPrinterOffline
        expr: bambulab_printer_connected == 0
        for: 2m
        labels:
          severity: warning
        annotations:
          summary: "Bambu printer disconnected"
          description: "Printer {{ $labels.printer_name }} has been disconnected for more than 2 minutes."

      - alert: BambuExporterScrapeFailing
        expr: bambulab_exporter_scrape_success == 0
        for: 3m
        labels:
          severity: warning
        annotations:
          summary: "Bambu exporter scrape failing"
          description: "Exporter for {{ $labels.printer_name }} is failing scrape cycles."

      - alert: BambuPrinterErrorActive
        expr: bambulab_printer_error == 1
        for: 1m
        labels:
          severity: critical
        annotations:
          summary: "Bambu printer error"
          description: "Printer {{ $labels.printer_name }} has active error code {{ $value }}."

      - alert: BambuHmsSeriousError
        expr: sum by (printer_name) (bambulab_hms_active_errors{severity=~"fatal|serious"}) > 0
        for: 1m
        labels:
          severity: critical
        annotations:
          summary: "Bambu printer HMS error"
          description: "Printer {{ $labels.printer_name }} reports {{ $value }} serious or fatal HMS error(s); check the printer screen or Bambu Handy."

      - alert: BambuNozzleTooHot
        expr: bambulab_nozzle_temperature_celsius > 320
        for: 30s
        labels:
          severity: critical
        annotations:
          summary: "Nozzle temperature too high"
          description: "Nozzle temperature for {{ $labels.printer_name }} exceeded safe threshold."

      - alert: BambuDoorOpenWhilePrinting
        expr: bambulab_door_open == 1 and on(printer_name, serial) bambulab_printer_gcode_state{state="RUNNING"} == 1
        for: 30s
        labels:
          severity: warning
        annotations:
          summary: "Printer door open during active print"
          description: "Door sensor reports open while {{ $labels.printer_name }} is printing."

      - alert: BambuExporterStale
        expr: time() - bambulab_exporter_last_success_unixtime > 180
        for: 1m
        labels:
          severity: warning
        annotations:
          summary: "Exporter has stale successful scrape"
          description: "No successful scrape from {{ $labels.printer_name }} for more than 3 minutes."

      - alert: BambuSdCardAbnormal
        expr: bambulab_sdcard_status_info{status="abnormal"} == 1
        for: 1m
        labels:
          severity: warning
        annotations:
          summary: "SD card abnormal state detected"
          description: "SD card status for {{ $labels.printer_name }} is abnormal."