# Copyright 2023 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import distutils.version
import json
import logging
import subprocess
from typing import Union, Tuple

LOGGER = logging.getLogger(__name__)


def version():
  """Invokes sw_vers -productVersion

  Raises:
    subprocess.CalledProcessError on exit codes non zero

  Returns:
    e.g. 13.2.1
  """
  cmd = [
    'sw_vers',
    '-productVersion',
  ]

  # output sample:
  # 13.2.1
  output = subprocess.check_output(cmd, stderr=subprocess.STDOUT).decode(
    'utf-8'
  )
  return output


def is_macos_13_or_higher():
  """Returns true if the current MacOS version is 13 or higher"""
  return distutils.version.LooseVersion(
    '13.0'
  ) <= distutils.version.LooseVersion(version())


def kill_usbmuxd():
  """kills the current usbmuxd process"""
  cmd = [
    'sudo',
    '/usr/bin/killall',
    '-v',
    'usbmuxd',
  ]
  subprocess.check_call(cmd)


def stop_usbmuxd():
  """stops the current usbmuxd process"""
  cmd = [
    'sudo',
    '/bin/launchctl',
    'stop',
    'com.apple.usbmuxd',
  ]
  subprocess.check_call(cmd)


def run_codesign_check(dir_path):
  """Runs codesign check on a directory

  Returns:
      success (boolean), error (subprocess.CalledProcessError)
  """
  try:
    cmd = [
      'codesign',
      '--verify',
      '--verbose=9',
      '--deep',
      '--strict=all',
      dir_path,
    ]
    subprocess.check_call(
      cmd, stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT
    )
  except subprocess.CalledProcessError as e:
    return False, e

  return True, None