import glob
import secrets
import sys

import yaml
from flask import Flask, request

from user import User


class LaToSa:

    def __init__(self, app: Flask):
        self.users = [
            User(app, 'micke', 'Micke Nordin', 'hej@mic.ke', 'S3cr3t!',
                 secrets.token_hex(32))
        ]

    def get_users(self):
        return self.users

    def login_user(self, username, password):
        for user in self.users:
            if user.get_id() == username and user.check_password(password):
                user.set_authenticated(True)
                user.set_active(True)
                print(f'Logged in {user.get_id()}', file=sys.stderr)
                return user
        print(f'Login failed for {username}', file=sys.stderr)
        return None

    def get_i18n(self, request: request):
        language_files = glob.glob("i18n/*.yaml")
        languages = {}
        for lang in language_files:
            filename = lang.split('/')
            lang_code = filename[1].split('.')[0]
            with open(lang, 'r', encoding='utf8') as file:
                languages[lang_code] = yaml.safe_load(file.read())

        supported_languages = list(languages.keys())
        user_language = request.accept_languages.best_match(
            supported_languages)
        return languages[user_language]