# -*- coding: utf-8 -*-
from setuphelpers import *
import requests
import platform
try:
    import bs4 as BeautifulSoup
except:
    import BeautifulSoup

uninstallkey = []

# Installation procedure: https://docs.python.org/3/using/windows.html

# Declaring specific app values (TO CHANGE)
bin_name_string = 'python-%s.exe'
app_dir_name = 'Python%s-32'
app_dir_string = makepath(programfiles32,app_dir_name) # Make sure to use programfiles32 for 32-Bits version and programfiles64 for 64-Bits version
silent_args_string = '/quiet InstallAllUsers=1 PrependPath=1 AssociateFiles=1 Include_launcher=0 InstallLauncherAllUsers=0 TargetDir="%s"' % app_dir_string
silent_uninst_args = '/uninstall /quiet'
app_uninstallkey = ''
whl_dir = 'whl'
# Forced version :
url_dl = 'https://www.python.org/ftp/python/3.6.8/python-3.6.8.exe'
latest_bin = 'python-3.6.8.exe'


def install():
    # Specific app values
    package_version = control.version.split('-',1)[0]
    package_version_split = package_version.split('.')
    short_version = '%s%s' % (package_version_split[0],package_version_split[1])
    bin_name = bin_name_string % package_version
    app_dir = app_dir_string % short_version
    app_installer_path = makepath(app_dir,bin_name)
    whl_dir_path = makepath(basedir,whl_dir)

    # Installing the package
    print("Installing Python %s to: %s" % (package_version,app_dir))
    install_exe_if_needed(bin_name
        ,silentflags=silent_args_string % short_version
        ,key=app_uninstallkey
        ,min_version=package_version)

    # Copying installer for future uninstall
    if not isfile(app_installer_path):
        filecopyto(bin_name,app_installer_path)

    # Prevent interaction with waptpython (please make sure that the following code require the defined path)
    if "PYTHONHOME" in os.environ.keys():
        del os.environ["PYTHONHOME"]
    if "PYTHONPATH" in os.environ.keys():
        del os.environ["PYTHONPATH"]
    os.environ["PYTHONPATH"] = app_dir
    os.environ["PYTHONHOME"] = app_dir

    # Installing Python Wheels
    for whl in glob.glob(r'%s\*.whl' % whl_dir_path):
        print('Installing Python Wheel: %s' % whl)
        run(r'"%s\Scripts\easy_install.exe" "%s"' % (app_dir,whl))

    # Rolling back WAPT Python Pathes (will ensure that WAPT install complete correctly)
    if "PYTHONHOME" in os.environ.keys():
        del os.environ["PYTHONHOME"]
    if "PYTHONPATH" in os.environ.keys():
        del os.environ["PYTHONPATH"]
    os.environ["PYTHONHOME"] = makepath(programfiles32, 'wapt')
    os.environ["PYTHONPATH"] = makepath(programfiles32, 'wapt')


def uninstall():
    # Specific app values
    package_version = control.version.split('-',1)[0]
    package_version_split = package_version.split('.')
    short_version = '%s%s' % (package_version_split[0],package_version_split[1])
    bin_name = bin_name_string % package_version
    app_dir = app_dir_string % short_version
    app_installer_path = makepath(app_dir,bin_name)

    # Uninstalling the package
    run('"%s" %s' % (app_installer_path,silent_uninst_args))

    # Removing remaining files of this Python version
    try:
        if isdir(app_dir):
            print("Removing remaining folder: %s" % app_dir)
            remove_tree(app_dir)
    except:
        print("Unable to remove Python %s remaining folder: %s" % (package_version,app_dir))


def update_package():
    print('Download/Update package content from upstream binary sources')

    # Getting proxy informations from WAPT settings
    proxy = {}
    if platform.system()=='Windows' and isfile(makepath(user_local_appdata(),'waptconsole','waptconsole.ini')):
        proxywapt = inifile_readstring(makepath(user_local_appdata(),'waptconsole','waptconsole.ini'),'global','http_proxy')
        if proxywapt :
            proxy = {'http':proxywapt,'https':proxywapt}

    print('Download url is: ' + url_dl)

    # Downloading latest binaries
    if not isfile(latest_bin):
        print('Downloading: ' + latest_bin)
        wget(url_dl,latest_bin,proxies=proxy)

        # Checking version from file
        version = get_file_properties(latest_bin)['ProductName'].split(' (')[0].split(' ')[-1]

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

    # Getting latest Python PIP
    page = requests.get('https://pypi.org/project/pip/#files',headers={'User-Agent':'Mozilla/5.0 (Windows NT 6.1; Win64; x64)'}).text
    bs = BeautifulSoup.BeautifulSoup(page,features="html.parser")
    url_dl_pip = bs.find('span',{'class':'table__mobile-label'}).find_next()['href']
    latest_bin_pip = url_dl_pip.split('/')[-1]
    if not isfile(latest_bin_pip):
        print('Downloading: ' + latest_bin_pip)
        wget(url_dl_pip,makepath(whl_dir,latest_bin_pip),proxies=proxy)

    # Deleting outdated binaries
    for bin_in_dir in glob.glob('*.exe') or glob.glob('*.msi') or glob.glob('*.zip'):
        if bin_in_dir != latest_bin :
            print('Outdated binary: ' + bin_in_dir + ' Deleted')
            remove_file(bin_in_dir)