# -*- coding: utf-8 -*-
from setuphelpers import *

uninstallkey = []

# https://support.microsoft.com/en-us/help/4472027/2019-sha-2-code-signing-support-requirement-for-windows-and-wsus
# 2019-03 Servicing Stack Update for Windows 7 (KB4490628)
# 2019-09 Security Update for Windows 7 (KB4474419)

# Defining variables
url_dl_kb_list = ("http://download.windowsupdate.com/c/msdownload/update/software/secu/2019/03/windows6.1-kb4490628-x64_d3de52d6987f7c8bdc2c015dca69eac96047c76e.msu", "http://download.windowsupdate.com/c/msdownload/update/software/secu/2019/09/windows6.1-kb4474419-v3-x64_b5614c6cea5cb4e198717789633dca16308ef79c.msu")
kb_list = ("windows6.1-kb4490628-x64_d3de52d6987f7c8bdc2c015dca69eac96047c76e.msu", "windows6.1-kb4474419-v3-x64_b5614c6cea5cb4e198717789633dca16308ef79c.msu")
ms_cert = 'MicrosoftRootCertificateAuthority2011.cer'


def install():
    # Installing the required KBs
    if windows_version(members_count=2) == WindowsVersions.Windows7:
        with EnsureWUAUServRunning():
            for kb_file in kb_list:
                kb_id = kb_file.split('-')[1].replace('kb','').replace('KB','')
                if not is_kb_installed(kb_id):
                    print('Installing: %s' % kb_file)
                    run('wusa.exe "%s" /quiet /norestart' % (kb_file),accept_returncodes=[0,3010,2359302,-2145124329],timeout=3600)
                else:
                    print('%s is already installed' % kb_file)

    # Adding Microsoft Root Certificate Authority to fix WUA
    try:
        run('"%s" -addstore "Root" "%s"' % (makepath(system32,'certutil.exe'),makepath(basedir,ms_cert)))
    except:
        print("WARNING: The certificate did not apply, you may need to apply it manually or with a GPO")

    if is_pending_reboot():
        print("A reboot is required.")


def update_package():
    print('Downloading/Updating package content from upstream binary sources')

    # Initializing variables
    proxies = get_proxies()

    # Downloading latest KBs
    for dl_kb in url_dl_kb_list:
        file_name = dl_kb.split('/')[-1]
        if not isfile(file_name):
            print('Downloading: %s' % file_name)
            wget(dl_kb,file_name,proxies=proxies)

    # Downloading MS cert
    if not isfile(ms_cert):
        print('Downloading: %s' % ms_cert)
        wget('https://download.microsoft.com/download/2/4/8/248D8A62-FCCD-475C-85E7-6ED59520FC0F/MicrosoftRootCertificateAuthority2011.cer',ms_cert,proxies=proxies)




def get_proxies():
    import platform
    if platform.python_version_tuple()[0] == '3':
        from urllib.request import getproxies
    else:
        from urllib import getproxies
    return getproxies()


def is_kb_installed(hotfixid):
    """Return True or False depending if a Windows update KB is installed.
    """
    installed_update = installed_windows_updates()
    if installed_update:
        if [kb for kb in installed_update if kb['HotFixID'].upper() == hotfixid.upper()]:
            return True
    return False


def is_pending_reboot():
    """Return True or False depending if Windows is waiting for a reboot.
    """
    if reg_key_exists(HKEY_LOCAL_MACHINE,r'SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired') or \
        reg_key_exists(HKEY_LOCAL_MACHINE,r'SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\RebootPending') or \
        reg_key_exists(HKEY_LOCAL_MACHINE,r'SOFTWARE\Microsoft\Updates\UpdateExeVolatile'):
        return True
    return False