#!/bin/bash

set -eu

handle() {
	case $1 in
	monitoradded*)
		disable_integrated_display_if_connected_to_external_monitors
		;;
	monitorremoved*)
		disable_integrated_display_if_connected_to_external_monitors
		;;
	esac
}

disable_integrated_display_if_connected_to_external_monitors() {
	MONITORS=$(hyprctl monitors all -j | jq ".[] | {name: .name, mode: .availableModes[0]}")
	NUMBER_OF_MONITORS=$(echo "$MONITORS" | grep -c "name")
	if [ "$NUMBER_OF_MONITORS" -gt 1 ]; then
		hyprctl keyword monitor eDP-1, disabled
	else
		hyprctl keyword monitor eDP-1, highres highrr, auto, 1
	fi

	pkill waybar || true
	waybar &

	# reload the inputs, as they somehow get lost when a second monitor is attached
	sleep 5
	sudo udevadm trigger --action=remove --subsystem-match=input
	sleep 0.5
	sudo udevadm trigger --action=add --subsystem-match=input
}

disable_integrated_display_if_connected_to_external_monitors

socat -U - "UNIX-CONNECT:$XDG_RUNTIME_DIR/hypr/$HYPRLAND_INSTANCE_SIGNATURE/.socket2.sock" | while read -r line; do handle "$line"; done