# -*- coding: utf-8 -*-
# -----------------------------------------------------------------------
#    This file is part of WAPT
#    Copyright (C) 2013  Tranquil IT Systems http://www.tranquil.it
#    WAPT aims to help Windows systems administrators to deploy
#    setup and update applications on users PC.
#
#    WAPT is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    WAPT is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with WAPT.  If not, see <http://www.gnu.org/licenses/>.
#
# -----------------------------------------------------------------------
from setuphelpers import *
import platform
import json

# registry key(s) where WAPT will find how to remove the application(s)

bin_contains = "WinMerge-%s-Setup.exe"

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

    # Installing the software
    print("Installing: %s" % control.package)
    install_exe_if_needed(bin_name,
        silentflags='/VERYSILENT /SUPPRESSMSGBOXES /NORESTART',
        key='WinMerge_is1',
        min_version=control.get_software_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
    api_url = "https://api.github.com/repos/WinMerge/winmerge/releases/latest"
    if control.architecture == "x64":
        arch_contains = "x64"
##    else:
##        arch_contains = ".WINDOWS.msi"

    # Getting latest version information from official sources
    print("API used is: %s" % api_url)
    json_load = json.loads(wgets(api_url, proxies=proxies))
    version = json_load["tag_name"].replace("v", "")
    for download in json_load["assets"]:
        if bin_contains % version 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)
##        # 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 + '-Setup.exe')
##            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)