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

uninstallkey = []
variables = {}

# Read local variables file if available
if isfile(makepath(programfiles32,'wapt','private','symetric.txt')) and isfile(makepath(programfiles32,'wapt','private','variables.txt')):
    print('Reading local encrypted variables file')
    from cryptography.fernet import Fernet
    import yaml
    f = Fernet(open(makepath(programfiles32,'wapt','private','symetric.txt'),'r').read())
    variables.update(yaml.safe_load(f.decrypt(open(makepath(programfiles32,'wapt','private','variables.txt'),'r').read())))

def install():
    import re

    version = control['version'].split('-',1)[0]

    print('Register OpenVPN as a trusted publisher')
    run(r'certutil.exe -f -addstore trustedpublisher openvpn.p7b')

    print('Installing OpenVPN client')

    os_version = 'Win10'

    # We need to identify the build
    for file in glob.glob('openvpn-install-%s-I*-%s.exe' % (version, os_version)):
        build = re.search('openvpn\-install\-%s\-(I\d+)\-%s\.exe' % (version, os_version), file).group(1)
    install_exe_if_needed('openvpn-install-%s-%s-%s.exe' % (version, build, os_version), '/S', key='OpenVPN', min_version='%s-%s-%s' % (version, build, os_version), killbefore=['openvpn','openvpn-gui'])
    uninstallkey.append('TAP-Windows')

    if 'openvpn_config' in variables:
        print('Deploying client configuration')
        open(makepath(programfiles,'OpenVPN','config','vpn.ovpn'),'w').write(variables['openvpn_config'])

def update_package():
    import re, os
    from waptpackage import PackageEntry
    print('Updating OpenVPN package')
    page = wgets('https://openvpn.net/community-downloads/')
    latest_version = re.search('OpenVPN (\d+(\.\d+)*) .* released on', page).group(1)
    pe = PackageEntry()
    control = pe.load_control_from_wapt(os.getcwd())
    current_version = control['version'].split('-',1)[0]
    if Version(latest_version) > Version(current_version):
        print('Updating Package from %s to %s' % (current_version, latest_version))
        # Win7 Would be possible, but has a problem installing the tap driver, even when the cert is added to the trust store
        # Just maintain the package for Win10 and later. Win7 is EOL in 2020 anyway
        for os_version in ['Win10']:
            build = re.search('openvpn\-install\-%s\-(I\d+)\-%s\.exe' % (latest_version, os_version), page).group(1)
            if not isfile('openvpn\-install-%s-%s.exe' % (latest_version, build)):
                url = 'https://swupdate.openvpn.org/community/releases/openvpn-install-%s-%s-%s.exe' % (latest_version, build, os_version)
                print('downloading %s' % url)
                wget(url, os.getcwd())
            for file in glob.glob('*%s.exe' % os_version):
                if file != 'openvpn-install-%s-%s-%s.exe' % (latest_version, build, os_version):
                    print('Removing %s' % file)
                    remove_file(file)

        pe.version = latest_version + '-0'
        pe.maturity = 'PREPROD'
        pe.save_control_to_wapt(os.getcwd())
        print('Package updated to %s' % latest_version)
    else:
        print('No update available')


if __name__ == '__main__':
    update_package()