#!/bin/sh

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

# What should the covers be resized to in pixels
cover_resize="100"

# 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"
song_color="##34e2e2"

form="<span color='$artist_color'>%artist%</span> - <span color='$song_color'>%album%</span>"
# END CONFIG ------------------------------------------------

# These are some variables we need for things to work
song="$(mpc --format %file% current)"
songdir="$music_dir/$(dirname "${song}")/"
raw_cover="/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="$cover_resize":-2 "$raw_cover"
    cover="$raw_cover"
fi

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