EXISTING_STRINGS = {
    "kanken_online",
    "options",
    "log_in",
    "register",
    "log_out",
    "kanji",
    "forum",
    "main_page",
    "username",
    "password",
    "search",
    "search_placeholder",
    "include_kanji",
    "include_kotoba",
    "username_required",
    "password_required"
}

ENGLISH = {
    "kanken_online": "KankenOnline",
    "options": "Options",
    "log_in": "Log in",
    "register": "Register",
    "log_out": "Log out",
    "kanji": "Kanji",
    "forum": "Forum",
    "main_page": "Main Page",
    "username": "Username",
    "password": "Password",
    "search": "Search",
    "search_placeholder": "Enter kanji or word",
    "include_kanji": "Include kanji",
    "include_kotoba": "Include kotoba",
    "username_required": "Username required.",
    "password_required": "Password required.",
    "incorrect_username": "Incorrect username.",
    "incorrect_password": "Incorrect password."
}

JAPANESE = {
    "kanken_online": "漢検オンライン",
    "options": "設定",
    "log_in": "ログイン",
    "register": "登録",
    "log_out": "ログアウト",
    "kanji": "漢字",
    "forum": "掲示板",
    "main_page": "ホームページ",
    "username": "ユーザー名",
    "password": "パスワード",
    "search": "検索",
    "search_placeholder": "漢字・言葉を入力",
    "include_kanji": "漢字を含む",
    "include_kotoba": "言葉を含む",
    "username_required": "ユーザー名が必要です",
    "password_required": "パスワードが必要です",
    "incorrect_username": "ユーザー名が違います",
    "incorrect_password": "パスワードが違います"
}

LANGUAGES = [
    ENGLISH,
    JAPANESE
]

assert all(all(key in lang for key in EXISTING_STRINGS) for lang in LANGUAGES)  # Ensure all strings are mapped for all existing languages
assert not [key for lang in LANGUAGES for key in lang if ((key in lang) and (key not in EXISTING_STRINGS))]
# assert not any((((key in lang) and (key not in EXISTING_STRINGS)) for key in lang) for lang in LANGUAGES)  # Ensure no languages have strings not specified by the main index


def localize(text_id: str, language: dict[str, str]) -> str:
    return language[text_id]