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

"""
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
bin_contains = 'ConEmuSetup'


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

    print("Installing: %s" % control.package)
    uninstallkey.append('{1DAA595D-AB19-435F-B18F-3BE1DEBE00E8}')
    run('%s /p:x86 /qn"' % bin_name)
    add_to_system_path(makepath(programfiles,'ConEmu','ConEmu.exe'))
    filecopyto("ConEmu.xml",makepath(programfiles,'ConEmu'))

def uninstall():
    remove_tree(makepath(programfiles,'ConEmu'))
    remove_programs_menu_folder('ConEmu')

def update_package():
    # Declaring local variables
    result = False
    proxies = get_proxies()
    sub_bin_name = bin_contains + '-%s.exe'
    if not proxies:
        proxies = get_proxies_from_wapt_console()
    app_name = control.name
    git_repo = 'Maximus5/ConEmu'
    api_url = 'https://api.github.com/repos/%s/releases/latest' % git_repo

    # Getting latest version information from official sources
    print("API used is: %s" % api_url)
    json_load = json.loads(wgets(api_url, proxies=proxies))

    for download in json_load['assets']:
        if bin_contains in download['name']:
            download_url = download['browser_download_url']
            version = json_load['tag_name'].replace('v', '')
            latest_bin = download['name']
            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, property_name='FileVersion')
        if version != version_from_file and version_from_file != '':
            print("Changing version to the version number of the binary")
            os.rename(latest_bin, sub_bin_name % version_from_file)
            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, 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)