use std::sync::Arc;
use anyhow::Context;
use axum::Extension;

mod config;
mod route;


#[tokio::main]
async fn main() -> anyhow::Result<std::convert::Infallible> {
	pretty_env_logger::init();
	log::debug!("Logging initialized!");
	
	log::trace!("Creating Minijinja environment...");
	let mut mj = minijinja::Environment::<'static>::new();
	
	log::trace!("Adding webfinger page to the Minijinja environment...");
	mj.add_template("rd.html.j2", include_str!("rd.html.j2"))
		.expect("rd.html.j2 to be a valid Minijinja template");

	log::trace!("Creating Axum router...");
	let app = axum::Router::new()
		.route("/*path", axum::routing::get(route::webfinger_handler))
		.route("/.healthcheck", axum::routing::get(route::healthcheck_handler))
		.layer(Extension(Arc::new(mj)));
	log::trace!("Axum router created successfully!");

	log::trace!("Creating Tokio listener...");
	let bind_address = config::ACRATE_RDSERVER_BIND_ADDRESS();
	let listener = tokio::net::TcpListener::bind(bind_address)
		.await
		.context("failed to bind listener to address")?;
	log::trace!("Tokio listener bound to: {bind_address}");

	log::info!("Starting rdserver web server...");
	axum::serve(listener, app)
		.await
		.context("server exited with error")?;

	log::error!("Server exited with no error, panicking.");
	panic!("server exited with no error");
}