use serenity::model::prelude::UserId;
use serenity::{model::channel::Message, prelude::Context};

use serenity::model::prelude::{Message, ReactionType, UserId};
use serenity::prelude::Context;

                msg.react(&ctx, "🇵")?;
                msg.react(&ctx, "🇩")?;
                return Ok(());

                args.restore();
                message = get_last_message(ctx, msg)?;
            } else {
                message = tmp.unwrap();

            message = tmp.unwrap();

    // get all the already used emoji
    for reaction in message.reactions.iter() {
        match &reaction.reaction_type {
            ReactionType::Unicode(e) => already_used_emoji.insert(e.clone()),
            _ => false, // useless
        };
    }

fn get_last_message(
    ctx: &mut Context,
    msg: &Message,
) -> Result<Message, Box<dyn std::error::Error>> {
    Ok(msg
        .channel_id
        .messages(&ctx, |retriever| retriever.before(msg.id).limit(1))?[0]
        .clone())
}

        'ç' | 'Ç' => Some('c'),