#! @execline@/bin/execlineb

loopwhilex

elglob -0 bats /sys/class/power_supply/BAT*

# We need to capture the whole status line, and then echo it all at
# once, to work around https://github.com/swaywm/sway/issues/3857.
backtick -i -n line {
  foreground {
    forx bat { $bats }
    importas -i -u bat bat

    foreground {
      backtick -i -n status { cat ${bat}/status }
      importas -i -u status status

      ifelse { test $status = Charging }
      { printf "↑" }

      if { test $status = Discharging }
      printf "↓"
    }

    foreground {
      redirfd -r 0 ${bat}/capacity
      tr -d "\n"
    }

    foreground { printf "%%  " }
  }

  foreground { date "+%Y-%m-%d %H:%M:%S" }
}
importas -i -u line line

if { echo $line }

sleep 1