#!/bin/sh

setup_pulseaudio() {
    # Only for lightdm or sddm. Actually what really matters is
    # whether pulseaudio is running. But let's err on the side
    # of being too restrictive.
    [ $(whoami) = lightdm ] || [ $(whoami) = sddm ] || return 0
    # Only on first boot - either the pulseaudio cookie doesn't exist,
    # or it has just been created.
    if [ -e $HOME/.config/pulse/cookie ]; then
        if [ "$(( $(date +%s) - $(stat -c %Y $HOME/.config/pulse/cookie) ))" -gt 30 ]; then
            return 0
        fi
    fi
    # Only if pactl (from pulseaudio-utils) is installed.
    [ -x /usr/bin/pactl ] || return 0
    #
    # Make sure that pulseaudio is unmuted, and volume is higher than 25%.
    #
    #pactl get-sink-mute @DEFAULT_SINK@
    #pactl get-sink-volume @DEFAULT_SINK@
    muted=$(pactl get-sink-mute @DEFAULT_SINK@ | grep '^Mute:' | sed 's/^Mute: //')
    volume=$(pactl get-sink-volume @DEFAULT_SINK@ | grep -Po '\d+(?=%)' | head -n 1)
    if [ "$muted" = yes ]; then
        pactl set-sink-mute @DEFAULT_SINK@ false
    fi
    if [ "$volume" -lt 25 ]; then
        pactl set-sink-volume @DEFAULT_SINK@ 75%
    fi
}

# Workaround for the case when pulseaudio defaults to muted and volume close to
# zero. Seen in VM (QEMU and VirtualBox) on a Linux host. Probably due to a bug
# in PA or ALSA, but we handle it here, out of a better place.
setup_pulseaudio