use askama::Template;
use askama_axum::IntoResponse;
use axum::{routing::get, Router};
use tower_http::services::ServeDir;

// Represents the currently logged-in user, passed into every template.
// None = logged out. 
pub struct CurrentUser {
    pub username: String,
}

#[derive(Template)]
#[template(path = "index.html")]
struct IndexTemplate {
    title: String,
    current_user: Option<CurrentUser>,
}

async fn index() -> impl IntoResponse {
    IndexTemplate {
        title: "home".into(),
        current_user: None, // no auth yet
    }
}

#[tokio::main]
async fn main() {
    let app = Router::new()
        .route("/", get(index))
        .nest_service("/static", ServeDir::new("static"));

    let listener = tokio::net::TcpListener::bind("127.0.0.1:3000")
        .await
        .unwrap();

    println!("listening on http://127.0.0.1:3000");
    axum::serve(listener, app).await.unwrap();
}