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

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

"""
# Declaring global variables - Warnings: 1) WAPT context is only available in package functions; 2) Global variables are not persistent between calls


def install():
    # Declaring local variables
    bin_name = glob.glob('*.exe')[0]

    for i in installed_softwares('zim desktop wiki'):
        run(uninstall_cmd(i['key']))

    # Installing the software
    print("Installing: %s" % bin_name)
    install_exe_if_needed(bin_name,
        silentflags='/S',
        key='404fbece-3a0a-4f4f-b1f1-82ce46af9696',
        min_version=''
        )


def update_package():
    # Declaring local variables
    result = False
    proxies = get_proxies()
    if not proxies:
        proxies = get_proxies_from_wapt_console()
    app_name = control.name
    download_html = wgets('https://zim-wiki.org/downloads.html').splitlines()
    for line in download_html:
        if 'Latest release' in line:
            version = line.split(' ')[2]

    download_url = 'https://zim-wiki.org/downloads/zim-desktop-wiki-%s-setup-w64_x86.exe' % version
    latest_bin = download_url.split('/')[-1]

    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 != '':
        if Version(version_from_file) != Version(version) and version_from_file != "":
            print("Changing version to the version number of the binary")
            os.rename(latest_bin, bin_contains + version_from_file + bin_ends)
            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_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, list_extensions=["exe", "msi", "deb", "rpm", "dmg", "pkg"], filename_contains=None):
    r"""Remove files based on the version contained in his filename, failing over on file version on compatible OSes

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

    Returns:
        list: list of deleted files

    .. versionadded:: 2.0

    .. versionchanged:: 2.2
        Now returns removed files, now checking .exe and .msi file versions

    """
    files = []
    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:
                if platform.system() == "Windows":
                    if file_ext == ".exe" or file_ext == ".msi":
                        if Version(version) == Version(get_version_from_binary(bin_in_dir, "FileVersion")) or Version(version) == Version(
                            get_version_from_binary(bin_in_dir, "ProductVersion")
                        ):
                            print("%s file or product version is correct (%s)" % (bin_in_dir, version))
                            continue
                remove_file(bin_in_dir)
                files.append(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)
                        files.append(bin_in_dir)
    return [fn for fn in files]