#!/bin/bash

# omarchy:summary=Watch Hyprland monitor events and recover monitor toggles when a monitor is removed

SOCKET="$XDG_RUNTIME_DIR/hypr/$HYPRLAND_INSTANCE_SIGNATURE/.socket2.sock"
LOCK="${XDG_RUNTIME_DIR:-/tmp}/omarchy-monitor-clamshell.lock"

sync_clamshell() {
  (
    flock -n 9 || exit 0
    omarchy-hyprland-monitor-clamshell
  ) 9>"$LOCK"
}

sync_clamshell_after_monitor_change() {
  sync_clamshell

  (
    for delay in 1 3 7; do
      sleep "$delay"
      sync_clamshell
    done
  ) &
}

poll_clamshell_state() {
  while true; do
    sleep 2
    sync_clamshell
  done
}

sync_clamshell_after_monitor_change

# The socat watch below already reconciles clamshell state on monitor
# hotplug. The periodic poll only exists to catch laptop-lid transitions,
# so there is nothing for it to do on a machine that isn't a laptop.
if omarchy-hw-laptop; then
  poll_clamshell_state &
fi

socat -U - "UNIX-CONNECT:$SOCKET" | while read -r event; do
  case "$event" in
    monitoradded\>\>*|monitoraddedv2\>\>*)
      sync_clamshell_after_monitor_change
      ;;
    monitorremoved\>\>*|monitorremovedv2\>\>*)
      sync_clamshell_after_monitor_change
      ;;
  esac
done