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

uninstallkey = []

# Defining variables
bin_name_sub = 'gs%sw32.exe'
silent_args = '/S'
app_uninstallkey_sub = 'GPL Ghostscript %s'


def install():
    # Initializing variables
    package_version = control.version.split('-', 1)[0]
    bin_name = bin_name_sub % package_version
    app_uninstallkey = app_uninstallkey_sub % package_version


    for gs in installed_softwares('Ghostscript'):
        if gs['version']<control.version:
            killalltasks('gswin32.exe')
            cmd=uninstall_cmd(gs['key'])
            run(cmd)

    # Installing the package
    print("Installing: %s" % bin_name)
    install_exe_if_needed(bin_name,
        silentflags=silent_args,
        key=app_uninstallkey,
        min_version=package_version,
    )


def update_package():
    # Initializing variables
    proxies = get_proxies()
    if not proxies:
        proxies = get_proxies_from_wapt_console()
    app_name = control.name
    git_repo = 'ArtifexSoftware/ghostpdl-downloads'
    url_api = 'https://api.github.com/repos/%s/releases/latest' % git_repo
    bin_end = bin_name_sub.split('%s')[-1]

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

    for download in json_load['assets']:
        if download['name'].endswith(bin_end):
            url_dl = download['browser_download_url']
            break

    version = json_load['name'].split(' ', -1)[-1]
    latest_bin = bin_name_sub % version

    print("Latest %s version is: %s" % (app_name, version))
    print("Download url is: %s" % url_dl)

    # Downloading latest binaries
    if not isfile(latest_bin):
        print("Downloading: %s" % latest_bin)
        wget(url_dl, latest_bin, proxies=proxies)

        # Checking version from file
        version_from_file = get_version_from_binary(latest_bin)
        if version != version_from_file and version_from_file != '':
            os.rename(latest_bin,bin_name_sub % version_from_file)
            version = version_from_file

    # Changing version of the package
    control.version = '%s-%s' % (version, control.version.split('-', 1)[-1])
    control.save_control_to_wapt()
    print("Changing package version to: %s in WAPT\\control" % control.version)

    # Deleting outdated binaries
    remove_outdated_binaries(version)




def get_proxies():
    import platform
    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():
    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, parameter='ProductVersion'):
    if filename.endswith('.msi'):
        return get_msi_properties(filename)[parameter]
    else:
        return get_file_properties(filename)[parameter]


def remove_outdated_binaries(version, list_extensions=['exe','msi','deb','rpm','dmg','pkg'], list_filename_contain=None):
    if type(list_extensions) != list:
        list_extensions = [list_extensions]
    if list_filename_contain:
        if type(list_filename_contain) != list:
            list_filename_contain = [list_filename_contain]
    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 list_filename_contain:
                for filename_contain in list_filename_contain:
                    if not filename_contain in bin_in_dir:
                        remove_file(bin_in_dir)