from const import UTTERANCE, CHARACTERS, START, END, MENTION


def introduce_mention_to_utterance(turn, insert_index, left_bracket, right_bracket):
    turn[UTTERANCE] = (
        turn[UTTERANCE][:insert_index]
        + left_bracket
        + MENTION
        + right_bracket
        + turn[UTTERANCE][insert_index:]
    )

    return turn


def introduce_mention_to_utterance_wrapper(left_bracket, right_bracket):
    def introduce_mention_to_utterance_func(turn, insert_index, **kwargs):
        return introduce_mention_to_utterance(
            turn, insert_index, left_bracket, right_bracket
        )

    return introduce_mention_to_utterance_func