#!/bin/sh
# speedwm-audioctrl
# This simple shell script handles audio controls for speedwm.
# Run speedwm-audioctrl -help for more information!
# License: GPLv3.

BINDIR=$(cat /usr/share/speedwm-bindir)

MUTE() {
  # Mute for pulseaudio/pipewire
  if [ "$AUDIO" = "pulse" ]; then
		if [ -e "${BINDIR}pulsemixer" ]; then
				 pulsemixer --toggle-mute
				 if [ -e "${BINDIR}notify-send" ]; then
						 if [ "$remute" = "" ]; then
								notify-send " Toggled mute"
						 fi
				 fi
		else
				 amixer set Master toggle
				 if [ -e "${BINDIR}notify-send" ]; then
						 if [ "$remute" = "" ]; then
								notify-send " Toggled mute"
						 fi
				 fi
		fi
  fi
}

RAISE() {
  if [ "$AUDIO" = "pulse" ]; then
		if [ -e "${BINDIR}pulsemixer" ]; then
				if [ "$(pulsemixer --get-volume | awk '{ print $1 }')" = "100" ]; then
						a=$a
				else
						pulsemixer --change-volume +7
						test ${BINDIR}notify-send && notify-send " $(pulsemixer --get-volume | awk '{ print $1 }')%"
				fi
		fi
  else
		if [ "$(amixer -c 0 get Master | tail -n 1 | sed -r "s/.*\[(.*)%\].*/\1/")" = "100" ]; then
				a=$a
		else
				amixer -c 0 set Master 7%+
				ls ${BINDIR}notify-send && notify-send " $(amixer -c 0 get Master | tail -n 1 | sed -r "s/.*\[(.*)%\].*/\1/")%"
		fi
  fi
}

LOWER() {
  if [ "$AUDIO" = "pulse" ]; then
		if [ -e "${BINDIR}pulsemixer" ]; then
				if [ "$(pulsemixer --get-volume | awk '{ print $1 }')" = "0" ]; then
						a=$a
				else
						pulsemixer --change-volume -7
						test ${BINDIR}notify-send && notify-send " $(pulsemixer --get-volume | awk '{ print $1 }')%"
				fi
				
		fi
  else
		if [ "$(amixer -c 0 get Master | tail -n 1 | sed -r "s/.*\[(.*)%\].*/\1/")" = "0" ]; then
				a=$a
		else
				amixer -c 0 set Master 7%-
				test ${BINDIR}notify-send && notify-send " $(amixer -c 0 get Master | tail -n 1 | sed -r "s/.*\[(.*)%\].*/\1/")%"
		fi
  fi
}

GETVOL() {
  if [ "$AUDIO" = "pulse" ]; then
		if [ -e "${BINDIR}pulsemixer" ]; then
				echo "$(pulsemixer --get-volume | awk '{ print $1 }')%"
		fi
  else
		echo "$(amixer -c 0 get Master | tail -n 1 | sed -r "s/.*\[(.*)%\].*/\1/")%"
  fi
}

GETMUTE() {
  if [ "$AUDIO" = "pulse" ]; then
		if [ -e "${BINDIR}pulsemixer" ]; then
				pulsemixer --get-mute | grep 1 > /dev/null && echo "Muted"
				pulsemixer --get-mute | grep 0 > /dev/null && echo "Not muted"
		fi
  fi
}

SWITCH() {
  ls $HOME/.local/share/audioctrl-status || echo "0" > $HOME/.local/share/audioctrl-status
  if [ "$(cat $HOME/.local/share/audioctrl-status)" = "0" ]; then
		amixer -c 0 sset 'Auto-Mute Mode' Enabled ; echo "1" > $HOME/.local/share/audioctrl-status
		if [ -e "${BINDIR}notify-send" ]; then
				notify-send " Switched to headphones."
		fi
  else
		amixer -c 0 sset 'Auto-Mute Mode' Disabled ; echo "0" > $HOME/.local/share/audioctrl-status
		if [ -e "${BINDIR}notify-send" ]; then
				notify-send " Switched to speakers."
		fi
  fi
}

RUNMIXER() {
  if [ "$AUDIO" = "pulse" ]; then
		if [ -e "${BINDIR}pulsemixer" ]; then
				pulsemixer
		elif [ -e "${BINDIR}alsamixer" ]; then
				alsamixer
		fi
  fi
}

AUDIO=$2
case "$2" in
"") AUDIO=alsa
if [ -e "${BINDIR}pulsemixer" ]; then
		AUDIO=pulse
fi ;;
esac

# Update status
UPDATESTATUS() {
  pkill status && status &
}

case "$1" in
"-mute") MUTE && GETMUTE > /tmp/speedwm-audioctrl-mutestatus ;;
"-remute") remute=true ; MUTE && GETMUTE > /tmp/speedwm-audioctrl-mutestatus  ; MUTE && GETMUTE > /tmp/speedwm-audioctrl-mutestatus ; remute="" ; exit 0 ;;
"-raise") RAISE ;;
"-lower") LOWER ;;
"-switch") SWITCH && exit 0 ;;
"-getvol") GETVOL && exit 0 ;;
"-getmute") GETMUTE > /tmp/speedwm-audioctrl-mutestatus && exit 0 ;;
"-getbackend") printf "$AUDIO\n" && exit 0 ;;
"-runmixer") RUNMIXER && exit 0 ;;
"-help") printf "speedwm-audioctrl\n-mute | Toggle mute\n-raise | Raise the volume by 7\n-lower | Lower the volume by 7\n-switch | Toggle output\n-getvol | Get current volume in percentage\n-getmute | Get mute status\n-getbackend | Get audio backend (ALSA, PulseAudio, etc.)\n-runmixer | Run the audio mixer detected on the system\n-remute | Mute and unmute.\n-help | Display this help screen\nNo arguments | Display this help screen\n"; exit 0 ;;
"") $0 -help && exit 0 ;;
esac

pgrep -x status && UPDATESTATUS