apiVersion: batch/v1
kind: CronJob
metadata:
  name: transmission-cleanup
  namespace: htpc
  labels:
    app.kubernetes.io/name: transmission-cleanup
    app.kubernetes.io/part-of: htpc
spec:
  schedule: "*/15 * * * *"
  concurrencyPolicy: Forbid
  successfulJobsHistoryLimit: 1
  failedJobsHistoryLimit: 2
  jobTemplate:
    spec:
      template:
        metadata:
          labels:
            app.kubernetes.io/name: transmission-cleanup
            app.kubernetes.io/part-of: htpc
        spec:
          nodeSelector:
            kubernetes.io/hostname: vmserver
          restartPolicy: OnFailure
          containers:
            - name: cleanup
              image: lscr.io/linuxserver/transmission:latest
              imagePullPolicy: IfNotPresent
              command:
                - /bin/bash
                - -c
                - |
                  set -euo pipefail
                  RPC_URL="http://transmission.htpc.svc.cluster.local:9091/transmission/rpc"
                  MAX_IDLE_SECONDS=43200 # 12 uur

                  SESSION=$(curl -s "$RPC_URL" | sed -n 's/.*X-Transmission-Session-Id: \([^<]*\).*/\1/p')
                  if [ -z "$SESSION" ]; then
                    echo "Kon geen X-Transmission-Session-Id ophalen."
                    exit 1
                  fi

                  NOW=$(date +%s)
                  RESPONSE=$(curl -s -H "X-Transmission-Session-Id: $SESSION" \
                    -d '{"method":"torrent-get","arguments":{"fields":["id","name","activityDate","addedDate","rateDownload","rateUpload","percentDone","status"]}}' \
                    "$RPC_URL")

                  STALE_JSON=$(echo "$RESPONSE" | jq -c --argjson now "$NOW" --argjson max_idle "$MAX_IDLE_SECONDS" '
                    [
                      .arguments.torrents[]
                      | (. as $t | (if $t.activityDate > $t.addedDate then $t.activityDate else $t.addedDate end)) as $last_active
                      | select($last_active > 0 and (($now - $last_active) > $max_idle) and (.rateDownload == 0) and (.rateUpload == 0))
                      | {id: .id, name: .name, idle_hours: ((($now - $last_active) / 3600 * 10 | floor) / 10)}
                    ]
                  ')

                  COUNT=$(echo "$STALE_JSON" | jq 'length')
                  if [ "$COUNT" -eq 0 ]; then
                    echo "Geen torrents gevonden die langer dan 12 uur inactief zijn."
                    exit 0
                  fi

                  echo "Verwijderen van $COUNT inactieve torrents (>12u) inclusief lokale data:"
                  echo "$STALE_JSON" | jq -r '.[] | " - [\(.id)] \(.name) (\(.idle_hours)u inactief)"'

                  IDS=$(echo "$STALE_JSON" | jq -c '[.[].id]')
                  REMOVE_PAYLOAD=$(jq -nc --argjson ids "$IDS" '{"method":"torrent-remove","arguments":{"ids":$ids,"delete-local-data":true}}')

                  RESULT=$(curl -s -H "X-Transmission-Session-Id: $SESSION" -d "$REMOVE_PAYLOAD" "$RPC_URL")
                  echo "RPC resultaat: $RESULT"