# -*- coding: utf-8 -*-
from setuphelpers import *
import platform
import bs4 as BeautifulSoup
import winreg
import time

"""
Usable WAPT package functions: install(), uninstall(), session_setup(), audit(), update_package()

Installation procedure: https://wiki.documentfoundation.org/Deployment_and_Migration

"""
# Declaring global variables - Warnings: 1) WAPT context is only available in package functions; 2) Global variables are not persistent between calls
bin_contains = 'LibreOffice_'
silent_args_dict = {"ALLUSERS": 1, "CREATEDESKTOPLINK": 0, "REBOOTYESNO": "No", "ISCHECKFORPRODUCTUPDATES": 0, "VC_REDIST": 0, "QUICKSTART": 0, "ADDLOCAL": "ALL", "REMOVE": "gm_o_Onlineupdate"}
force_register_as_default_mso_app = False       # Make sure that LBO will BE the default application for any Office applications
force_no_register_as_default_mso_app = False    # Make sure that LBO will NOT BE the default application for any Office applications


def install():
    # Declaring local variables
    package_version = control.get_software_version()
    bin_name = glob.glob('*%s*.msi' % bin_contains)[0]
    major_version = package_version.split('.')[0]

    # Uninstalling OpenOffice if detected
    for uninstall in installed_softwares(name="OpenOffice"):
        print("Removing: %s (%s)" % (uninstall['name'], uninstall['version']))
        run(uninstall_cmd(uninstall['key']))
        wait_uninstallkey_absent(uninstall['key'])

    # Uninstalling LibreOffice if too old
    for uninstall in installed_softwares(name="LibreOffice"):
        if not uninstall['version'].startswith(major_version):
            if 'help' in uninstall['name'].lower():
                continue
            print("Removing: %s (%s)" % (uninstall['name'], uninstall['version']))
            killalltasks(control.impacted_process.split(','))
            run(uninstall_cmd(uninstall['key']))
            wait_uninstallkey_absent(uninstall['key'])

    # Defining Office default applications
    """
    REGISTER_ALL_MSO_TYPES (default=0) - use LibreOffice as the default application for Microsoft Office file formats 
    REGISTER_NO_MSO_TYPES  (default=0) - don't use LibreOffice as default application for any Microsoft Office file formats 
    REGISTER_DOC           (default=0) - use LibreOffice as the default application for Microsoft Word file format .doc (You can use similar for .xls, .ppt etc.)

    """
    if not force_register_as_default_mso_app or not force_no_register_as_default_mso_app:
        # Checking if MSO file extensions refer to MSO apps and affect LBO if not
        if not get_file_assocation('.doc').startswith('Word') and not get_file_assocation('.docx').startswith('Word'):
            silent_args_dict['REGISTER_DOC']=1
            silent_args_dict['REGISTER_DOCX']=1
        if not get_file_assocation('.xls').startswith('Excel') and not get_file_assocation('.xlsx').startswith('Excel'):
            silent_args_dict['REGISTER_XLS']=1
            silent_args_dict['REGISTER_XLSX']=1
        if not get_file_assocation('.ppt').startswith('PowerPoint') and not get_file_assocation('.pptx').startswith('PowerPoint'):
            silent_args_dict['REGISTER_PPT']=1
            silent_args_dict['REGISTER_PPTX']=1
        if not get_file_assocation('.pub').startswith('Publisher'):
            silent_args_dict['REGISTER_PUB']=1

    if not force_register_as_default_mso_app or not force_no_register_as_default_mso_app:
        # Checking if a version of MSO is installed
        count_mso_apps = 0
        if installed_softwares(name="Microsoft Office "):
            count_mso_apps += 1
        if installed_softwares(name="Office 365"):
            count_mso_apps += 1
        if installed_softwares(name="Microsoft 365"):
            count_mso_apps += 1

    if force_register_as_default_mso_app:
        # Register LBO as default MSO apps
        silent_args_dict['REGISTER_ALL_MSO_TYPES']=1
    elif force_no_register_as_default_mso_app:
        # Do not register LBO as default MSO apps
        silent_args_dict['REGISTER_NO_MSO_TYPES']=1
    else:
        if count_mso_apps == 0:
            # Register LBO as default MSO apps if no MSO version was detected
            silent_args_dict['REGISTER_ALL_MSO_TYPES']=1

    # Installing the software
    print("Installing: %s" % bin_name)
    install_msi_if_needed(bin_name,
        properties=silent_args_dict,
        timeout=1200)


def update_package():
    # Declaring local variables
    result = False
    proxies = get_proxies()
    if not proxies:
        proxies = get_proxies_from_wapt_console()
    app_name = control.name
    url = 'https://www.libreoffice.org/download/download'
    if control.architecture == 'x64':
        dl_arch = 'x86_64'
        ends_bin_name = '_Win_x64.msi'
    else:
        dl_arch = 'x86'
        ends_bin_name = '_Win_x86.msi'

    # Getting latest version from official website
    version = bs_find_all(url, 'span', 'class', 'dl_version_number',proxies=proxies)[1].string # [1] for Still, [0] for Fresh
    search_url = 'https://download.documentfoundation.org/libreoffice/stable/%s/win/%s/' % (version, dl_arch)
    for bs_search in bs_find_all(search_url, 'a', proxies=proxies):
        if bin_contains in bs_search['href'] and ends_bin_name in bs_search['href']:
            latest_bin = bs_search.string
            download_url = search_url + latest_bin
            break

    print("Latest %s version is: %s" % (app_name, version))
    print("Download URL is: %s" % download_url)

    # Downloading latest binaries
    if not isfile(latest_bin):
        print("Downloading: %s" % latest_bin)
        wget(download_url, latest_bin, proxies=proxies)

        # Checking version from file
        version_from_file = get_version_from_binary(latest_bin)
        if not version_from_file.startswith(version) and version_from_file != '':
            print("Changing version to the version number of the binary (from: %s to: %s)" % (version, version_from_file))
            os.rename(latest_bin, bin_contains + version_from_file + ends_bin_name)
            version = version_from_file
        else:
            print("Binary file version corresponds to online version")

    # Changing version of the package
    if Version(version) > Version(control.get_software_version()):
        print("Software version updated (from: %s to: %s)" % (control.get_software_version(), Version(version)))
        result = True
    else:
        print("Software version up-to-date (%s)" % Version(version))
    control.version = '%s-%s' % (Version(version), control.version.split('-', 1)[-1])
    #control.set_software_version(version)
    control.save_control_to_wapt()

    # Deleting outdated binaries
    remove_outdated_binaries(version)

    # Validating update-package-sources
    return result




def get_file_assocation(ext):
    r"""Return the associated application for a file extension (example : '.doc')

    >>> get_file_assocation('.pptx')
    'LibreOffice.Pptx'

    """
    try:
        return winreg.QueryValue(winreg.HKEY_CLASSES_ROOT, ext)
    except:
        return ''


def get_default_app(suffix):
    r"""Return application path associated to a file extension (example: .pptx)

    >>> get_default_app('.pptx')
    'C:\\Program Files\\LibreOffice\\program\\simpress.exe'

    """
    import shlex
    import winreg
    try:
        class_root = winreg.QueryValue(winreg.HKEY_CLASSES_ROOT, suffix)
    except:
        return ''
    with winreg.OpenKey(winreg.HKEY_CLASSES_ROOT, r'{}\shell\open\command'.format(class_root)) as key:
        command = winreg.QueryValueEx(key, '')[0]
        return shlex.split(command)[0]


def get_proxies():
    r"""Return system proxy with the urllib python library

    >>> get_proxies()
    {'http': 'http://srvproxy.ad.domain.lan:8080',
    'https': 'http://srvproxy.ad.domain.lan:8080'}

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


def get_proxies_from_wapt_console():
    r"""Return proxy information from the current user WAPT console

    >>> get_proxies_from_wapt_console()
    {'http': 'http://srvproxy.ad.domain.lan:8080',
    'https': 'http://srvproxy.ad.domain.lan:8080'}

    """
    proxies = {}
    if platform.system() == 'Windows':
        waptconsole_ini_path = makepath(user_local_appdata(), 'waptconsole', 'waptconsole.ini')
    else:
        waptconsole_ini_path = makepath(user_home_directory(), '.config', 'waptconsole', 'waptconsole.ini')
    if isfile(waptconsole_ini_path):
        proxy_wapt = inifile_readstring(waptconsole_ini_path, 'global', 'http_proxy')
        if proxy_wapt:
            proxies = {'http': proxy_wapt, 'https': proxy_wapt}
    return proxies


def get_version_from_binary(filename, property_name='ProductVersion'):
    r""" Get installer version from file informations, for now, only exe and msi files are compatibles

    Args:
        filename (str): path to the file
        property_name (str): selected property

    Returns:
        str: version number

     """
    if filename.endswith('.msi'):
        return get_msi_properties(filename)[property_name]
    else:
        return get_file_properties(filename)[property_name]


def remove_outdated_binaries(version, filename_contains=None, list_extensions=['exe','msi','deb','rpm','dmg','pkg']):
    r"""Remove files based on the version contained in his filename

    Args:
        version (str): version number of keeped files
        filename_contains (str or list of str): Part of the filename that must be contained (useful for distinguishing architecture and os)
        list_extensions (str or list of str): file extensions of verified files

    Returns:
        None

    .. versionadded:: 2.0

    """
    if type(list_extensions) != list:
        list_extensions = [list_extensions]
    if filename_contains:
        if type(filename_contains) != list:
            filename_contains = [filename_contains]
    list_extensions = ['.' + ext for ext in list_extensions if ext[0] != '.']
    for file_ext in list_extensions:
        for bin_in_dir in glob.glob('*%s' % file_ext):
            if not version in bin_in_dir:
                remove_file(bin_in_dir)
            if filename_contains:
                for filename_contain in filename_contains:
                    if not filename_contain in bin_in_dir:
                        remove_file(bin_in_dir)


def wait_uninstallkey_absent(key=None,max_loop=120, keywords='', name=None):

    if len([f for f in [key,keywords,name] if f]) > 1:
        error('Arguments conflict key: %s keywords: %s name: %s' % (key,keywords,name))

    if key:
        searchparam = 'key %s' % str(key)
    elif name:
        searchparam = 'name %s' % str(name)
    else:
        searchparam = 'keywords %s' % str(keywords)
    print('Waiting for the removal of key %s from Windows registry' % searchparam)
    loop=0
    while uninstall_key_exists(key, keywords=keywords, name=name):
        loop = loop + 1
        if loop > max_loop:
            return "timout"
        time.sleep(1)