#!/bin/bash

# omarchy:summary=Update Omarchy and system packages
# omarchy:args=[-y]
# omarchy:examples=omarchy update | omarchy update -y
# omarchy:requires-sudo=true

set -e

if [[ -z ${OMARCHY_UPDATE_LOGGED:-} ]]; then
  script_command=$(printf '%q ' "$0" "$@")
  exec env OMARCHY_UPDATE_LOGGED=1 script -qefc "$script_command" "/tmp/omarchy-update.log"
fi

acquire_update_lock() {
  local lock_dir="${XDG_RUNTIME_DIR:-/tmp}"
  local lock_path="$lock_dir/omarchy-update.lock"
  local lock_fd_path=""

  mkdir -p "$lock_dir" 2>/dev/null || true

  if [[ -n ${OMARCHY_UPDATE_LOCK_FD:-} && -e /proc/$$/fd/$OMARCHY_UPDATE_LOCK_FD ]]; then
    lock_fd_path=$(readlink -f "/proc/$$/fd/$OMARCHY_UPDATE_LOCK_FD" 2>/dev/null || true)
    if [[ $lock_fd_path == "$(readlink -m "$lock_path")" ]] && flock -n "$OMARCHY_UPDATE_LOCK_FD"; then
      return 0
    fi
  fi

  exec {OMARCHY_UPDATE_LOCK_FD}>"$lock_path"
  if ! flock -n "$OMARCHY_UPDATE_LOCK_FD"; then
    echo "An Omarchy update is already running."
    exit 1
  fi
  export OMARCHY_UPDATE_LOCK_FD
}

update_disabled_idle=0
sleep_inhibit_pid=""

disable_sleep_for_update() {
  command -v systemd-inhibit >/dev/null 2>&1 || return 0

  systemd-inhibit \
    --what=sleep:idle \
    --who=omarchy-update \
    --why="Omarchy update in progress" \
    --mode=block \
    sleep infinity >/dev/null 2>&1 &
  sleep_inhibit_pid=$!
}

disable_idle_for_update() {
  local stay_awake_state="$HOME/.local/state/omarchy/indicators/stay-awake"

  if [[ ! -f $stay_awake_state ]]; then
    omarchy-toggle-idle stay-awake >/dev/null 2>&1 || true
    update_disabled_idle=1
  fi
}

restore_update_inhibitors() {
  if (( update_disabled_idle )); then
    omarchy-toggle-idle allow-idle >/dev/null 2>&1 || true
  fi

  if [[ -n $sleep_inhibit_pid ]]; then
    kill "$sleep_inhibit_pid" >/dev/null 2>&1 || true
    wait "$sleep_inhibit_pid" >/dev/null 2>&1 || true
  fi
}

run_update_pipeline() {
  disable_sleep_for_update
  disable_idle_for_update

  omarchy-update-keyring
  omarchy-update-system-pkgs
  omarchy-migrate
  omarchy-hook post-update
  omarchy-update-aur-pkgs
  omarchy-update-mise
  omarchy-update-orphan-pkgs

  omarchy-update-analyze-logs

  # Re-check after updates so the status bar reflects any remaining updates.
  if omarchy-update-available >/dev/null; then
    omarchy-shell -q omarchy.system-update refresh
  else
    omarchy-shell -q omarchy.system-update clear
  fi

  omarchy-update-restart
}

acquire_update_lock

trap restore_update_inhibitors EXIT
trap 'echo ""; echo -e "\033[0;31mSomething went wrong during the update!\n\nPlease review the output above carefully, correct the error, and retry the update.\n\nIf you need assistance, get help from the community at https://omarchy.org/discord\033[0m"' ERR

if [[ ${1:-} == "-y" ]] || omarchy-update-confirm; then
  omarchy-snapshot create || (($? == 127))
  run_update_pipeline
fi