#!/bin/sh
# https://sinanmohd.com

####################
## user variables ##
####################
# dir where audio files are stored
amb_dir="$HOME/.local/share/damb"
# pid file location
pid_file="/tmp/damb.pid"
# dir where config files are stored
config_dir="$HOME/.config/damb"

get_opt()
{
        printf "select\nlinks\nrandom\nstream\nstop" | dmenu -p "הּ  "
}

get_ambs() 
{
        find "$amb_dir" -type f -exec basename {} \;
}

send_err()
{
        printf "error: %s\n" "$1"
        notify-send " damb" "error, $1"

}

get_link()
{
        grep -v "^#.*$" "$config_dir"/links |
                grep "$(grep -v "^#.*$" "$config_dir"/links | cut -d '=' -f1 | dmenu -p "  " -l 25)" |
                cut -d '=' -f2 | tr -d ' '
}

case "$(get_opt)" in
        select) ffplay -volume 20 -nodisp -loop 0 "$amb_dir/$(get_ambs | dmenu -p "  " -l 25)" &
                echo "$!" >> "$pid_file"
                ;;
        links)  mpv --no-video --no-resume-playback "$(get_link)" &
                echo "$!" >> "$pid_file"
                ;;
        random) ffplay -volume 20 -nodisp -loop 0 "$amb_dir/$(get_ambs | shuf -n1)" &
                echo "$!" >> "$pid_file"
                ;;
        stop)   while IFS= read -r process
                do
                        kill -2 "$process"
                done < "$pid_file"

                rm "$pid_file"
                ;;
        stream) mpv --no-video "$(xclip -o -sel clip)" &
                echo "$!" >> "$pid_file"
                ;;
        "")     ;; # stay quiet when user quits the program during selection
        *)      send_err "option not implemented";;
esac