#!/usr/bin/env bash

# available sinks listed here: pactl list sinks

LOUD_SINK="alsa_output.pci-0000_00_1f.3.analog-stereo"
LOUD_PRESET="Defender"
HEAD_SINK="alsa_output.usb-C-Media_Electronics_Inc._USB_Audio_Device-00.analog-stereo"
HEAD_PRESET="Techno"

if [ -z "$1" ]; then
    echo -e "Current sink\t: $(pactl get-default-sink)"
    echo -e "Loud sink\t: $LOUD_SINK"
    echo -e "Loud preset\t: $LOUD_PRESET"
    echo -e "Head sink\t: $HEAD_SINK"
    echo -e "Head preset\t: $HEAD_PRESET"
    exit
fi

if [ "$1" == "-h" ] || [ "$1" == "--help" ]; then
    cat <<EOF
Usage: $(basename "$0") [-h]

Switch audio output and apply appropriate easyffects preset.

Options:
    -h, --help    Show this help message
    --loud        Enable loud speakers
    --head        Enable headphones

EOF
    exit
fi

if [ "$1" == "--loud" ]; then
    pactl set-default-sink "$LOUD_SINK" || exit 1
    easyeffects -l "$LOUD_PRESET" || exit 2
    exit
fi

if [ "$1" == "--head" ]; then
    pactl set-default-sink "$HEAD_SINK" || exit 1
    easyeffects -l "$HEAD_PRESET" || exit 2
    exit
fi