#!/usr/bin/env bash

# Get the top CPU-consuming process, excluding kernel threads and this script
read -r NAME CPU < <(
  ps -eo comm,pcpu --sort=-pcpu --no-headers 2>/dev/null |
    awk '{
        # Skip kernel threads (names in brackets)
        if ($1 ~ /^\[/) next
        # Skip this script and ps itself
        if ($1 == "top.sh" || $1 == "ps") next
        # Output the first matching line and exit
        print $1, $2
        exit
    }'
)

if [ -z "$NAME" ]; then
  echo '{"text": "  --", "tooltip": "No process data"}'
  exit 0
fi

# Round CPU to integer
CPU=$(printf "%.0f" "$CPU")

# Truncate long process names (keep bar readable)
if [ ${#NAME} -gt 10 ]; then
  NAME="${NAME:0:9}…"
fi

echo "{\"text\": \"<span size='x-large' rise='-1500'>󰍛</span>  $NAME ${CPU}%\", \"tooltip\": \"Top CPU: $NAME — ${CPU}%\"}"