#!/bin/bash -e

json="$(pw-dump)"
fmt='"\(.id) \(.info.props."node.nick")"'

_jq() {
    jq -r "$*" <<< "$json"
}

getdev() {
    local d

    d="$(_jq ".[].metadata | select(.)[] | select(.key == \"default.configured.audio.$1\").value.name")"
    _jq ".[] | select(.info.props.\"node.name\" == \"$d\") | $fmt"
}

getdevs() {
    _jq ".[] | select(.info.props.\"media.class\" == \"Audio/$1\") | $fmt"
}

case "$1" in
    s) CLASS=Sink ;;
    m) CLASS=Source ;;
    *) exit 1 ;;
esac

dev="$(getdev "${CLASS,,}")"
if [ -n "$dev" ]; then
    devs="$(getdevs "$CLASS" | grep -v "$dev")"$'\n'"* $dev"
else
    devs="$(getdevs "$CLASS")"
fi

read -r id <<< "$(dmenu -l 16 <<< "$devs" | sed 's/*//')"
wpctl set-default "$id"
touch "$XDG_RUNTIME_DIR/sbar/vol"