use spotify_oauth::{SpotifyAuth, SpotifyCallback, SpotifyScope};
use std::{error::Error, io::stdin, str::FromStr};

#[async_std::main]
async fn main() -> Result<(), Box<dyn Error + Send + Sync + 'static>> {
    // Setup Spotify Auth URL
    let auth = SpotifyAuth::new_from_env("code".into(), vec![SpotifyScope::Streaming], false);
    let auth_url = auth.authorize_url()?;

    // Open the auth URL in the default browser of the user.
    open::that(auth_url)?;

    println!("Input callback URL:");
    let mut buffer = String::new();
    stdin().read_line(&mut buffer)?;

    // Convert the given callback URL into a token.
    let token = SpotifyCallback::from_str(buffer.trim())?
        .convert_into_token(auth.client_id, auth.client_secret, auth.redirect_uri)
        .await?;

    println!("Token: {:#?}", token);

    Ok(())
}