apiVersion: v1
kind: ConfigMap
metadata:
  name: droppedneedle-transcoder-script
  namespace: default
data:
  transcode.sh: |
    #!/bin/bash
    WATCH_DIR="/yarr/media/music"
    echo "Starting transcoder watch on $WATCH_DIR..."
    
    # Listen for files moved into the directory (atomic renames) and direct writes
    inotifywait -m -r -e moved_to,close_write --format '%w%f' "$WATCH_DIR" | while read FILE
    do
        # Case-insensitive check for .flac extension
        if [[ "${FILE,,}" == *.flac ]]; then
            echo "Detected new FLAC via import: $FILE"
            OPUS_FILE="${FILE%.*}.opus"
            
            # Transcode (preserves tags natively in newer ffmpeg versions)
            ffmpeg -y -i "$FILE" -acodec libopus -ac 2 -ab 160k "$OPUS_FILE"
            
            if [ $? -eq 0 ]; then
                echo "Transcode successful. Removing original FLAC..."
                rm "$FILE"
                
                echo "Triggering DroppedNeedle library scan..."
                # Calls the DroppedNeedle service using internal Kubernetes DNS
                curl -X POST http://droppedneedle.default.svc.cluster.local:8688/api/v1/library/scan/start
            else
                echo "Error: FFmpeg transcode failed for $FILE"
            fi
        fi
    done
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: droppedneedle-transcoder
  name: droppedneedle-transcoder
  namespace: default
spec:
  replicas: 1
  selector:
    matchLabels:
      app: droppedneedle-transcoder
  template:
    metadata:
      labels:
        app: droppedneedle-transcoder
    spec:
      containers:
        - name: transcoder
          image: alpine:latest
          command: ["/bin/sh", "-c"]
          args:
            - "apk add --no-cache bash inotify-tools ffmpeg curl && bash /scripts/transcode.sh"
          volumeMounts:
            - mountPath: /yarr
              name: yarr
            - mountPath: /scripts
              name: script-volume
      restartPolicy: Always
      volumes:
        - name: yarr
          nfs:
            server: robin.home.nest
            path: /yarr
        - name: script-volume
          configMap:
            name: droppedneedle-transcoder-script