// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

mod common;

use futures::future;
use futures::StreamExt;

use egg_mode::user;

//IMPORTANT: see common.rs for instructions on making sure this properly authenticates with
//Twitter.
#[tokio::main]
async fn main() {
    let config = common::Config::load().await;

    println!("");
    println!("Heterogeneous multi-user lookup:");

    let mut users: Vec<egg_mode::user::UserID> = vec![];
    users.push(config.user_id.into());
    users.push("SwiftOnSecurity".into());

    for user in user::lookup(users, &config.token)
        .await
        .unwrap()
        .response
        .iter()
    {
        print_user(user)
    }

    println!("");
    println!("Searching based on a term: (here, it's 'rustlang')");
    user::search("rustlang", &config.token)
        .with_page_size(5)
        .take(5)
        .for_each(|resp| {
            let resp = resp.unwrap();
            print_user(&resp);
            future::ready(())
        })
        .await;

    println!("");
    println!("Who do you follow?");
    user::friends_of(config.user_id, &config.token)
        .with_page_size(5)
        .take(5)
        .for_each(|resp| {
            let resp = resp.unwrap();
            print_user(&resp);
            future::ready(())
        })
        .await;

    println!("");
    println!("Who follows you?");
    user::followers_of(config.user_id, &config.token)
        .with_page_size(5)
        .take(5)
        .for_each(|resp| {
            let resp = resp.unwrap();
            print_user(&resp);
            future::ready(())
        })
        .await;
}

fn print_user(user: &user::TwitterUser) {
    println!("");
    println!("{} (@{})", user.name, user.screen_name);
    println!("Created at {}", user.created_at);
    println!(
        "Follows {}, followed by {}",
        user.friends_count, user.followers_count
    );
    if let Some(ref desc) = user.description {
        println!("{}", desc);
    } else {
        println!("(no description provided)");
    }
    match (&user.location, &user.url) {
        (&Some(ref loc), &Some(ref link)) => println!("{} | {}", loc, link),
        (&None, &Some(ref link)) => println!("{}", link),
        (&Some(ref loc), &None) => println!("{}", loc),
        (&None, &None) => (),
    }
}