// Copyright 2018 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only

import semver from 'semver';

import type { OSType } from '../util/os/shared.std.ts';
import { SystemTraySetting } from './SystemTraySetting.std.ts';
import { isNotUpdatable, isProduction } from '../util/version.std.ts';

// Login item settings are only supported on macOS and Windows, according to [Electron's
//   docs][0].
// [0]: https://www.electronjs.org/docs/api/app#appsetloginitemsettingssettings-macos-windows
export const isAutoLaunchSupported = (OS: OSType): boolean =>
  OS.isWindows() || OS.isMacOS();

// the "hide menu bar" option is specific to Windows and Linux
export const isHideMenuBarSupported = (OS: OSType): boolean => !OS.isMacOS();

// the "draw attention on notification" option is specific to Windows and Linux
export const isDrawAttentionSupported = (OS: OSType): boolean => !OS.isMacOS();

/**
 * Returns `true` if you can minimize the app to the system tray. Users can override this
 * option with a command line flag, but that is not officially supported.
 */
export const isSystemTraySupported = (OS: OSType): boolean =>
  OS.isWindows() || OS.isLinux();

export const isContentProtectionSupported = (OS: OSType): boolean =>
  OS.isWindows();

export const isContentProtectionNeeded = (OS: OSType): boolean =>
  OS.isWindows();

export const getDefaultSystemTraySetting = (
  OS: OSType,
  appVersion: string
): SystemTraySetting => {
  if (!isSystemTraySupported(OS)) {
    return SystemTraySetting.DoNotUseSystemTray;
  }

  // System tray on linux may not be well supported, so we default to it being off in
  // production
  if (OS.isLinux() && isProduction(appVersion)) {
    return SystemTraySetting.DoNotUseSystemTray;
  }

  return SystemTraySetting.MinimizeToSystemTray;
};

// On Windows minimize and start in system tray is default when app is selected
// to launch at login, because we can provide `['--start-in-tray']` args.
export const isMinimizeToAndStartInSystemTraySupported = (
  OS: OSType
): boolean => !OS.isWindows() && isSystemTraySupported(OS);

export const isAutoDownloadUpdatesSupported = (
  OS: OSType,
  appVersion: string
): boolean => {
  if (isNotUpdatable(appVersion)) {
    return false;
  }
  return OS.isWindows() || OS.isMacOS() || OS.isLinuxAppImage();
};

export const shouldHideExpiringMessageBody = (
  OS: OSType,
  release: string
): boolean => OS.isWindows() || (OS.isMacOS() && semver.lt(release, '21.1.0'));

// Windows 11 and forward
export const isContentProtectionEnabledByDefault = (
  OS: OSType,
  release: string
): boolean => OS.isWindows() && semver.gte(release, '10.0.22000');
