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

# Declaring global variables - Warnings: 1) WAPT context is only available in package functions; 2) Global variables are not persistent between calls
bin_contains = "Natron"
app_name = "Natron"
app_dir = makepath(programfiles32, app_name)
app_path = makepath(app_dir, "bin", "Natron.exe")


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

    # Getting installed software version
    if isfile(app_path):
        installed_version = get_version_from_binary(app_path)
    else:
        installed_version = None

    # Installing software
    print("Installing: %s" % app_name)
    if installed_version is None or Version(installed_version) < Version(package_version) or force:
        killalltasks(control.get_impacted_process_list())
        if isdir(app_dir):
            remove_tree(app_dir)
        mkdirs(app_dir)
        print("Extracting: %s to: %s" % (bin_name, app_dir))
        unzip(bin_name, ".")
        temp_dir = glob.glob("Natron*")[0]
        for file_to_move in glob.glob("%s/*" % temp_dir):
            shutil.move(file_to_move, app_dir)
        remove_tree(temp_dir)

        # Creating shortcuts

        create_desktop_shortcut(app_name, app_path)
        create_programs_menu_shortcut(app_name, app_path)

        # Adding software to "list-registry"
        print("Registering: %s to Windows Registry" % app_name)
        register_windows_uninstall(control, win64app=iswin64())
        #register_uninstall(app_name, win64app=iswin64())
    else:
        print("%s is already installed. Skipping" % app_name)


def uninstall():
    # Uninstalling software
    killalltasks(control.get_impacted_process_list())
    if isdir(app_dir):
        remove_tree(app_dir)
    unregister_uninstall(app_name, win64app=iswin64())

    # Removing shortcuts
    remove_desktop_shortcut(app_name)
    remove_programs_menu_shortcut(app_name)


def audit():
    # Declaring local variables
    package_version = control.get_software_version()

    # Getting installed software version
    if installed_softwares(uninstallkey=app_name):
        installed_version = installed_softwares(uninstallkey=app_name)[0]["version"]
    else:
        installed_version = None
    
    # Auditing software
    print("Auditing: %s" % control.package)
    if installed_version is None:
        print("%s is not installed" % app_name)
        return "ERROR"
    elif Version(installed_version) != Version(package_version):
        print("%s is installed in version (%s) instead of (%s)" % (app_name, installed_version, package_version))
        return "WARNING"
    else:
        print("%s is installed in correct version (%s)" % (app_name, installed_version))
        return "OK"


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/NatronGitHub/Natron/releases/latest"

    # 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"] and "Windows-x86_64.zip" 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)

    # 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]