#! /bin/bash

tsarc config -font "CommitMono:pixelsize=15"
tsarc config -height 20
tsarc config -bg "#101010"
tsarc config -gap 10

tsarc set ~ -text "~"

tsarc set ~ -fg "#888888"
tsarc set ram -fg "#888888"
tsarc set vol -fg "#888888"
tsarc set player -fg "#888888"

tsarc set window -bg "#FFFFFF"
tsarc set window -fg "#000000"
tsarc set window -margin 25

tsarc set cwkspace -bg "#FFFFFF"
tsarc set cwkspace -fg "#000000"
tsarc set cwkspace -margin 2

tsarc layout \
  -left lwkspace cwkspace rwkspace ~ player \
  -center window \
  -right ram ~ vol ~ clock

trim() {
  read -r text
  echo "$text" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//'
}

workspace() {
  focused_ws=`bspc query -D --names -d focused`
  ws=`bspc query -D --names | tr '\n' ' '`
  lws=`echo $ws | awk -F$focused_ws '{print $1}'`
  rws=`echo $ws | awk -F$focused_ws '{print $2}'`
  tsarc set lwkspace -text " $lws"
  tsarc set cwkspace -text "$focused_ws"
  tsarc set rwkspace -text "$rws"
}

window_name() {
  win_id=$(bspc query -N -n focused)
  if [[ -n "$win_id" ]]; then
    title=`xtitle $win_id \
      | awk 'length > 64{$0=substr($0,0,64)"..."}1' \
      | tr '[:upper:]' '[:lower:]'`
    tsarc set window -text "$title" -fg "#000000" -bg "#FFFFFF"
  else
    tsarc set window -text "no window focused" -fg "#CCCCCC" -bg "#404040"
  fi
}

bspc subscribe desktop_focus desktop_add desktop_remove \
| while read -r _; do
  workspace
done &

volume() {
  tsarc set vol -text \
    "vol `pactl get-sink-volume @DEFAULT_SINK@ | awk 'NR==1{printf "%s", $5}'`"
}

volume

pactl subscribe \
| while read -r line; do
  case "$line" in *"Event 'change' on sink #"*|*"Event 'change' on source #"*)
    volume
    while read -t 0.01 -r _; do :; done
  esac
done &

playerctl -F metadata -f "{{lc(status)}} {{lc(title)}} - {{lc(artist)}}" \
| while read -r line; do
  status=`echo $line | awk '{ print $1 }'`
  case "$status" in "paused")
    tsarc set player -text "no media"
  esac
  case "$status" in "playing")
    tsarc set player -text \
      "`echo $line | awk 'match($0, $1) {print substr($0, RSTART+RLENGTH)}' | trim`"
  esac
done &

while true; do
  tsarc set ram -text "ram `free -m | awk 'NR==2{printf "%.2f%%", $3*100/$2}'`"
  tsarc set clock -text "`date +"%a %b %d, %r" | tr '[:upper:]' '[:lower:]'` "
  window_name
  sleep 1
done