use std::env;

use futures::StreamExt;
use telegram_bot_ars::*;

#[tokio::main]
async fn main() -> Result<(), Error> {
    let token = env::var("TELEGRAM_BOT_TOKEN").expect("TELEGRAM_BOT_TOKEN not set");
    let api = Api::new(token);

    tracing::subscriber::set_global_default(
        tracing_subscriber::FmtSubscriber::builder()
            .with_env_filter("telegram_bot_ars=trace")
            .finish(),
    )
    .unwrap();

    let mut stream = api.stream();
    while let Some(update) = stream.next().await {
        let update = update?;
        if let Some(UpdateKind::Message(message)) = update.kind {
            if let MessageKind::Text { ref data, .. } = message.kind {
                api.send(message.text_reply(format!(
                    "Hi, {}! You just wrote '{}'",
                    &message.from.first_name, data
                )))
                .await?;
            }
        }
    }
    Ok(())
}