fix language selection in ddg engine

"""

from json import loads

from searx.utils import extract_text, match_language

from urllib.parse import urlencode

from searx.utils import match_language, HTMLTextExtractor

from searx import logger

import re

import httpx

from searx.network import get

logger = logger.getChild('ddg engine')

# about

    return lang_parts[1].lower() + '-' + lang_parts[0].lower()

def get_vqd(query):

    resp = httpx.get(f"https://duckduckgo.com/?q={query}&ia=web")

def get_vqd(query, headers):

    resp = get(f"https://duckduckgo.com/?q={query}&ia=web", headers=headers)

    resp = re.findall(VQD_REGEX, resp.text)

    return resp[0]

    params['method'] = 'GET'

    vqd = get_vqd(query)

    vqd = get_vqd(query, params["headers"])

    dl,ct = match_language(params["language"], supported_languages, language_aliases, 'wt-WT').split("-")

    query_dict = {

        "q": query,

        't': 'D',

        'l': params["language"],

        'kl': get_region_code(params["language"]),

        'kl': f"{ct}-{dl}",

        's': (params['pageno'] - 1) * number_of_results,

        'dl': 'en',

        'ct': 'US',

        'ss_mkt': get_region_code(params["language"]),

        'dl': dl,

        'ct': ct,

        'ss_mkt': get_region_code(params["language"], supported_languages),

        'df': params['time_range'],

        'vqd': vqd,

        'ex': -2,

    params['allow_redirects'] = False

    params["data"] = query_dict

    params["url"] = url

    params['cookies']['kl'] =  params["data"]["kl"]

    params["url"] = url + urlencode(params["data"])

    return params

    results = []

    data = re.findall(r"DDG\.pageLayout\.load\('d',(\[.+\])\);DDG\.duckbar\.load\('images'", str(resp.text))

    try:

        search_data = loads(data[0].replace('/\t/g', '    '))

    except IndexError:

        return

    if len(search_data) == 1 and ('n' not in search_data[0]):

        only_result = search_data[0]

    for search_result in search_data:

        if 'n' in search_result:

            continue

        html2text = HTMLTextExtractor()

        html2text.feed(search_result.get('a'))

        results.append({'title': search_result.get("t"),

                        'content': extract_text(search_result.get('a')),

                        'content': html2text.get_text(),

                        'url': search_result.get('u')})

    return results