use std::net::SocketAddr;

use crate::{config::PenguinConfig, feeds::enrich_feeds};

mod app;
mod config;
mod feeds;
mod hash;
mod logging;
mod routes;
mod scrapers;
mod signals;
mod templates;

#[tokio::main]
async fn main() {
    logging::setup("findpenguins_feed");
    let config = PenguinConfig::read().expect("Failed to read application configuration");
    let addr = get_addr(&config);
    let feeds = enrich_feeds(config.feeds).await;
    let app = app::create(feeds);

    tracing::debug!("Listening on {}", addr);
    axum::Server::bind(&addr)
        .serve(app.into_make_service())
        .with_graceful_shutdown(signals::shutdown())
        .await
        .expect("Failed to start server");
}

/// Retrieve the address to listen on.
///
/// # Returns
///
/// A `SocketAddr` object that represents the address to listen on.
///
/// # Panics
///
/// If the `host` string cannot be parsed into a `SocketAddr` object.
fn get_addr(config: &PenguinConfig) -> SocketAddr {
    config
        .server_address
        .parse()
        .expect("No proper address to listen on: {}")
}