music

#!/usr/bin/env bash
#
# Saumon i3blocks scripts
# music (mpd/spotify track display and control)
#

# TODO: refactor (really?)

if ! command -v playerctl >/dev/null; then
  echo " !dep "
  exit 33
fi

lockfile="/tmp/saumon-music-instance.lock"
instance=$(cat "$lockfile" 2>/dev/null)

if [ "$BLOCK_BUTTON" -eq 2 ]; then

  if [ "$instance" = "mpd" ]; then
    mpc pause-if-playing > /dev/null 2>&1
    echo "none" > $lockfile
    instance="none"
  elif [ "$instance" = "none" ]; then
    echo "spotify" > $lockfile
    instance="spotify"
  else
    playerctl --player=spotify pause > /dev/null 2>&1
    echo "mpd" > $lockfile
    instance="mpd"
  fi

fi

if [ "$instance" = "mpd" ]; then

  act() {
    status=$(mpc "$1")
    if [[ "$status" == *"playing"* ]]; then playing=1; fi
    if [[ "$status" == *"paused"* ]]; then paused=1; fi
    if [ -n "$playing" ]; then
      echo -n '<span color="#8BC34A">  ' # playing icon
      echo -n "$status" | head -n1 | tr -d '\n' | sed -r 's/&/&amp;/g'
    elif [ -n "$paused" ]; then
      echo -n '<span color="#c7610c">  ' # paused icon
      echo -n "$status" | head -n1 | tr -d '\n' | sed -r 's/&/&amp;/g'
    else
      echo -n '<span color="#999">  ' # music icon
      echo -n "Stopped"
    fi
    echo " </span>"
  }

  case $BLOCK_BUTTON in
    3) act toggle ;;  # right click, pause/unpause
    4) act prev ;;  # scroll up, previous
    5) act next ;;  # scroll down, next
    *) act status ;;
  esac

elif [ "$instance" = "none" ]; then

  echo "<span color='#999999'><span fallback='true'>  </span>Idle </span>"

else  # spotify or others

  PLAYER=""
  ICON=""
  PLAYERARG=""
  if pgrep -x "spotify" > /dev/null; then
    PLAYER="spotify"
    ICON=""
  else
    if playerctl metadata | grep firefox > /dev/null; then
      PLAYER="firefox"
      ICON=""
    fi
  fi

  if [ -n "$PLAYER" ]; then
    PLAYERARG="--player=$PLAYER"
  fi

  case $BLOCK_BUTTON in
    3) playerctl "$PLAYERARG" play-pause ;;&  # right click, pause/unpause
    4) playerctl "$PLAYERARG" previous ;;&  # scroll up, previous
    5) playerctl "$PLAYERARG" next ;;&  # scroll down, next
    3|4|5) i3-msg -q exec -- ~/scripts/i3blocks-refresh.sh music 1 0.2; sleep 0.05 ;;
  esac

  STATUS=$(playerctl "$PLAYERARG" status 2> /dev/null)
  DATA=$(playerctl "$PLAYERARG" metadata --format "{{ artist }} – {{ title }}" 2> /dev/null)

  if [ "$STATUS" = "Playing" ]; then # TODO: check that data isn't empty (and below)
    echo -n "<span color='#8BC34A'>$ICON<span fallback='true'> </span> "
  elif [ "$STATUS" = "Paused" ]; then
    echo -n "<span color='#c7610c'>$ICON<span fallback='true'> </span> "
  else
    echo -n "<span color='#999'>$ICON<span fallback='true'>  Stopped</span>"
  fi
  if [ "$STATUS" = "Playing" ] || [ "$STATUS" = "Paused" ]; then
    DATACLEANED=$(echo -n "${DATA}" | sed 's/&/\&amp;/g; s/</\&lt;/g; s/>/\&gt;/g; s/"/\&quot;/g; s/'"'"'/\&#39;/g')
    LEFT=$(echo -n "${DATACLEANED}" | awk -F " - " '{print $1}')
    echo -n "$LEFT"
    RIGHT=${DATACLEANED:${#LEFT}}
    if [[ ${#RIGHT} -gt 1 ]]; then
      echo -n "<span size='small'>$RIGHT</span>"
    fi
  fi

  echo " </span>"

fi