#!/usr/bin/env python3

import os

import urllib.request

import xml.etree.ElementTree as ET

name = os.path.realpath(__file__)

base = os.path.normpath(os.path.join(os.path.dirname(name), '..'))

rname = os.path.relpath(name, base)

zfile = os.path.join(base, 'winpr/libwinpr/timezone/WindowsZones.c')

url = 'https://raw.githubusercontent.com/unicode-org/cldr/latest/common/supplemental/windowsZones.xml'

try:

    with urllib.request.urlopen(url) as response:

        xml = response.read()

        root = ET.fromstring(xml)

        entries = []

        for child in root.iter('mapZone'):

            tzid = child.get('type')

            windows = child.get('other')

            entries += ['\t{ "' + windows + '", "' + tzid + '" },\n']

        entries.sort()

        with open(zfile, 'w') as f:

            f.write('/*\n')

            f.write(' * Automatically generated with ' + str(rname) + '\n')

            f.write(' */\n')

            f.write('\n')

            f.write('#include "WindowsZones.h"\n')

            f.write('\n')

            f.write('const WINDOWS_TZID_ENTRY WindowsTimeZoneIdTable[] =\n')

            f.write('{\n')

            for entry in entries:

                f.write(entry)

            f.write('};\n')

            f.write('\n');

            f.write('const size_t WindowsTimeZoneIdTableNrElements = ARRAYSIZE(WindowsTimeZoneIdTable);\n')

except Exception as e:

    print('----------------------------------------------------')

    print(str(e))

    print('----------------------------------------------------')