from os import system as console
from configparser import ConfigParser
from flask import (
    Flask,
    g,
    request,
    render_template,
)
# from flask_babel import Babel, _


translations_cache = {}

def load_translations(lang):
    if lang not in translations_cache:
        try:
            config = ConfigParser()
            config.read(f'translations/{lang}.ini')
            translations_cache[lang] = dict(config['messages'])
        except:
            translations_cache[lang] = {}
    return translations_cache[lang]


def get_locale():
    return request.accept_languages.best_match(('en', 'ru'), 'en')

app = Flask(__name__)
# app.config['BABEL_DEFAULT_LOCALE'] = 'en'
# app.config['BABEL_SUPPORTED_LOCALES'] = ['en', 'ru']
# app.jinja_env.add_extension("jinja2.ext.i18n")
# app.jinja_env.globals.update(_=lambda x: load_translations("ru")[x])

# babel = Babel(app, locale_selector=get_locale)


@app.before_request
def before_request():
    g.locale = get_locale()
    g.translations = load_translations(g.locale)


@app.context_processor
def inject_translations():
    def translate(text, **kwargs):
        template = g.translations.get(text, f"${text}$")
        try:
            return template.format(**kwargs)
        except:
            return template
    return {'_': translate}


if app.debug:
    console("sass static/style/main.scss static/style/main.css")

@app.route("/")
def index():
    return render_template('index.html')

@app.route("/host")
def host():
    return render_template('host.html')

@app.route("/us")
def us():
    return render_template('us.html')