#!/bin/sh

# Toggle mute on all sinks or sources.

case $1 in
    source|sink)
        pactl list ${1}s \
            | awk '/^(Source|Sink) / { source=substr($2,2) }
                   /^\tName: .*.monitor$/ { source=0 }
                   /^\tDescription: / { sub("^[^:]*: ", ""); descriptions[source] = $0 }
                   /^\tMute: / { if (source > 0) muted[source] = ($2 == "yes") }
                   END {
                     if (length(muted) == 0) exit;
                     allmuted=1;
                     for (source in muted) {
                       if (!muted[source]) {
                         allmuted=0;
                       }
                     }
                     for (source in muted) {
                       gsub(/['"'"'"\\\$\(\)`]/, "\\\\&", descriptions[source])
                       print "echo "(allmuted?"🔊":"🔇")" "descriptions[source]
                       print "pactl set-'$1'-mute "source" "(!allmuted);
                     }
                   }' \
            | sh
    ;;
esac