bt

#!/bin/sh
# shellcheck disable=1090,2154

systemctl is-active bluetooth >/dev/null || exit 1

. "${XDG_CACHE_HOME:-$HOME/.cache}/wal/colors.sh"
blockcolor=$color11
txtcolor=$color8

btinfo=$(for dev in $(bluetoothctl devices | cut -d ' ' -f2); do
	bluetoothctl info "$dev"
done)
connected_devices=$(echo "$btinfo" | grep -B9 'Connected: yes' |
	grep Device | cut -d ' ' -f2)
connected_devices_info=$(for dev in $connected_devices; do echo "$btinfo" |
	sed -n "/$dev/,/^Device/p"; done)

if [ -d "/usr/share/icons/HighContrast" ]; then
	notif_icon="/usr/share/icons/HighContrast/256x256/status/bluetooth-active.png"
elif [ -d "/usr/share/icons/Adwaita" ]; then
	notif_icon="/usr/share/icons/Adwaita/96x96/devices/bluetooth-symbolic.symbolic.png"
else
	# TODO: curl a default bluetooth icon.
	true
fi

case $BLOCK_BUTTON in
1) # Left Click
	bt-select
	;;
2) # Middle Click
	if systemctl is-active bluetooth >/dev/null; then
		sudo systemctl stop bluetooth &
		notify-send -i $notif_icon "Stopping Bluetooth service"
	else
		sudo systemctl restart bluetooth &
		notify-send -i $notif_icon "Starting Bluetooth service"
	fi
	;;
3) # Right Click
	notify-send -i $notif_icon "Bluetooth Info" "$connected_devices_info"
	;;
4) # Scroll Up
	;;
5) # Scroll Down
	;;
esac

if [ ! "$connected_devices" ]; then
	out="X"
else
	# TODO: Provide identifiable information per connected device
	# - First letter of device name?
	for device in $connected_devices; do
		current_device_info=$(echo "$btinfo" | sed -n "/$device/,/^Device/$!p")
		case "$(echo "$current_device_info" | grep Icon | cut -d ' ' -f2)" in
		"audio-card")
			out="${out}"
			;;
		"audio-headphones" | "audio-headset")
			out="${out}"
			;;
		"input-gaming")
			out="${out}"
			;;
		"phone")
			out="${out}"
			;;
		*)
			out="${out}X"
			;;
		esac
		# Only display battery level if feature available.
		grep -q 'Experimental.=.true' /etc/bluetooth/main.conf ||
			pgrep -f 'bluetoothd -E' &&
			battery_level=$(echo "$current_device_info" | grep 'Percentage' | cut -d ' ' -f4)
		# NOTE: Account for bug when Battery level doesn't show up when HFP/HSP
		# devices are missing.
		# [ "$battery_level" ] || { bluetoothctl disconnect "$device"; sleep 3;
		# 						  bluetoothctl connect "$device"; }
		out="$out$(echo "$battery_level" | sed -e 's/)/%)/g' -e 's/(/ (/g') "
	done
fi

out=$(echo "$out" | sed 's/ $//')

icon=

printf "<b><span foreground='%s' background='%s'></span>" \
	"$blockcolor" "$color0"
printf "<span foreground='%s' background='%s'> %s </span>" \
	"$txtcolor" "$blockcolor" "$icon $out"
printf "<span foreground='%s' background='%s'></span></b>\n" \
	"$color0" "$blockcolor"