hexagons/bin/tapa

#!/usr/bin/env bash
set -euf -o pipefail

# Hacked together by deadguy from various bits and pieces from manpages,
# stackexchange, github, r/unixporn, and the awesome help from people in
# #bash, #zsh, and #archlinux-newbie on freenode.

# Steal it, use it, mod it, share it, love it.

# CONFIG ----------------------------------------------------

# This NEEDS to be the same as in mpd.conf
music_dir="$HOME/Music/Albums"

# What should the covers be resized to in pixels
cover_resize="250"

# What is the cover file called?
img_reg=".*/(cover|front|folder|art).(jpg|jpeg|png|gif)$"

# What do we want the notification to look like?
artist_color="##a1b56c"
album_color="##ad7fa8"
song_color="##34e2e2"

title="<span color='$album_color' weight='bold'>%album%</span>"
form="<span color='$artist_color'>%artist%</span> - <span color='$song_color'>%title%</span>"

# END CONFIG ----------------------------------------------------

# These are some variables we need for things to work
song="$(mpc --format %file% current)"
songdir="$music_dir/$(dirname "${song}")/"
temp_path="/tmp/current_cover.png"
heading="$(mpc current -f "$title" | sed "s:&:&amp;:g")"
message="$(mpc current -f "$form" | sed "s:&:&amp;:g" )"

# Is there music on?
[[ -z $song ]] && exit 1

# No cover if the folder isn't found
[[ -z "$songdir" ]] && exit 1

# But if it is found, look for only one of the specified files
cover="$(find "$songdir" -maxdepth 1 -type f -regextype egrep -regex "$img_reg" 2>/dev/null)"

# Resize the cover
if [[ -n $cover ]]; then
		ffmpeg -hide_banner -loglevel panic -nostats -y -i "$cover" -vf scale="$cover_resize":-2 "$temp_path"
        cover="$temp_path"
fi

# Send the notification
notify-send -u low -t 8000 -i "$cover" "$heading" "$message"