from configparser import ConfigParser

from blueprints.root import bp as root_bp
from blueprints.risdeveau import bp as rdv_bp

import blueprints.root.modules.style
import blueprints.risdeveau.modules.style

from flask import (
    Flask,
    g,
    request,
)


translations_cache = {}

def load_translations(lang):
    if lang not in translations_cache:
        translations_cache[lang] = {}

        try:
            config = ConfigParser()
            config.read(f'locale/{lang}.ini')
            for section in config.sections():
                translations_cache[lang][section] = dict(config.items(section))
        except:
            pass

    return translations_cache[lang]


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

app = Flask(__name__, static_folder=None, subdomain_matching=True)
app.register_blueprint(root_bp)
app.register_blueprint(rdv_bp)


@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):
        if ":" in text:
            section, key = text.split(":", 1)
        else:
            section, key = "common", text

        template = g.translations \
            .get(section, {}) \
            .get(key, f"${section}: {key}$")

        try:
            return template.format(**kwargs)
        except:
            return template

    return {'_': translate}


if app.debug:
    blueprints.root.modules.style.compile_styles()
    blueprints.risdeveau.modules.style.compile_styles()

    app.config['SERVER_NAME'] = "localhost:5000"
else:
    app.config['SERVER_NAME'] = "lair.moe"