#!/bin/bash

# omarchy:summary=Apply clamshell display state to Hyprland monitors
# omarchy:hidden=true

TOGGLES_DIR="$HOME/.local/state/omarchy/toggles/hypr"
CLAMSHELL_FLAG="$TOGGLES_DIR/internal-monitor-clamshell.lua"
MANUAL_DISABLE_FLAG="$TOGGLES_DIR/internal-monitor-disable.lua"

INTERNAL=$(hyprctl monitors all -j | jq -r '.[] | select(.name | contains("eDP")).name' | head -n 1)

read_monitor_scale() {
  local monitor_lua="$HOME/.config/hypr/monitors.lua"
  [[ -f $monitor_lua ]] || { echo '"auto"'; return; }
  local scale
  scale=$(sed -n 's/^local omarchy_monitor_scale = //p' "$monitor_lua" | head -1)
  if [[ -z $scale ]]; then
    scale=$(sed -nE 's/^hl\.monitor\(\{ output = "", mode = "preferred", position = "auto", scale = ([^ ]+) \}\)/\1/p' "$monitor_lua" | head -1)
  fi
  [[ -z $scale ]] && scale='"auto"'
  echo "$scale"
}

enable_internal_output() {
  [[ -n $INTERNAL ]] || return 0
  local scale
  scale=$(read_monitor_scale)
  hyprctl eval "hl.monitor({ output = \"$INTERNAL\", mode = \"preferred\", position = \"auto\", scale = $scale })" >/dev/null 2>&1 || true
}

dpms_internal() {
  local action="$1"

  [[ -n $INTERNAL ]] || return 0
  hyprctl dispatch "hl.dsp.dpms({ action = \"$action\", monitor = \"$INTERNAL\" })" >/dev/null 2>&1 || true
}

enable_internal() {
  local changed=0

  if [[ -f $CLAMSHELL_FLAG ]]; then
    rm -f "$CLAMSHELL_FLAG"
    changed=1
  fi

  if (( changed )); then
    hyprctl reload >/dev/null 2>&1 || true
  fi

  [[ -f $MANUAL_DISABLE_FLAG ]] && omarchy-hyprland-monitor-external-active && return 0
  enable_internal_output
  dpms_internal enable
}

disable_internal() {
  [[ -n $INTERNAL ]] || exit 0
  [[ -f $MANUAL_DISABLE_FLAG ]] && return 0

  mkdir -p "$TOGGLES_DIR"

  local config
  config=$(printf 'hl.monitor({ output = "%s", disabled = true })' "$INTERNAL")

  if [[ ! -f $CLAMSHELL_FLAG ]] || [[ $(< "$CLAMSHELL_FLAG") != $config ]]; then
    printf '%s\n' "$config" >"$CLAMSHELL_FLAG"
    hyprctl reload >/dev/null 2>&1 || true
  fi
}

omarchy-hyprland-monitor-internal recover >/dev/null 2>&1 || true
omarchy-hyprland-monitor-internal-mirror recover >/dev/null 2>&1 || true

if omarchy-hw-clamshell && omarchy-hyprland-monitor-external-active; then
  disable_internal
else
  enable_internal
fi