#!/bin/bash
SLEEP=$1;
if [ -z "$SLEEP" ]; then
    SLEEP="0.1s";
fi;
MPG321DEVICE="-o pulse"
MUSIC=''
MPG321OPTS="-n 300"
cmd_exists () {
    if which "$1" >/dev/null 2>&1; then
        return 0;
    else
        return 1;
    fi;
}

message() {
    if cmd_exists "notify-send"; then
        notify-send -t 4000 Alarm "your $SLEEP timer has expired";
    fi;
}

for plantasia in ~/media/{audio,music}/mort_garson/plantasia/01_plantasia.mp3 \
                 ~/media/jack2/Plantasia/01\ Plantasia.mp3; do
                     
    if [ -e "${plantasia}" ]; then
        MUSIC="${plantasia}"
        MPG321OPTS="-k 15 -n 209";
    fi;
done;
if [ -z "$MUSIC" ]; then
    if [ -d ~/media/music ]; then
	    MUSIC="$(find ~/media/music/ \( -type f -o -xtype f \) -iname '*.mp3' -print -quit)"
    fi;
    if [ -d ~/media/jack ]; then
	    MUSIC="$(find ~/media/jack/ \( -type f -o -xtype f \) -iname '*.mp3' -print -quit)"
    fi;
fi;
(sleep $SLEEP; message; mpg321 $MPG321DEVICE $MPG321OPTS "$MUSIC" >/dev/null 2>&1 ) &