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

r"""
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]

    # Defining Office default applications
    r"""
    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 (force_register_as_default_mso_app == force_no_register_as_default_mso_app):
        # Checking if MSO file extensions refer to MSO apps and affect Collabora Office 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

        # 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 count_mso_apps == 0:
            # Register Collabora Office as default MSO apps if no MSO version was detected
            silent_args_dict['REGISTER_ALL_MSO_TYPES']=1

    else:
        if force_register_as_default_mso_app:
            # Register Collabora Office as default MSO apps
            silent_args_dict['REGISTER_ALL_MSO_TYPES']=1
        elif force_no_register_as_default_mso_app:
            # Do not register Collabora Office as default MSO apps
            silent_args_dict['REGISTER_NO_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)[0].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]