use env_logger;
use handlebars::Handlebars;
use handlebars_iron::{DirectorySource, HandlebarsEngine};
use iron::prelude::Iron;
use std::error::Error;
use std::sync::Arc;

use media_collection_crud::{chain, db};

fn template_engine() -> Arc<HandlebarsEngine> {
	let views_ext = ".hbs";
	let views_path = "./src/views";

	let hbs = Handlebars::new();

	let mut hbse = HandlebarsEngine::from(hbs);
	hbse.add(Box::new(
		DirectorySource::new(views_path, views_ext)
	));

	if let Err(r) = hbse.reload() {
		panic!("{:?}", r.description());
	}

	let hbse_ref = Arc::new(hbse);
	if cfg!(debug_assertions) {
		println!("Templates are being watched.");
		use handlebars_iron::Watchable;
		hbse_ref.watch(views_path);
	}

	hbse_ref
}

fn main() {
	env_logger::init();
	db::establish_connection();

	let port = 8000;
	let bind_addr = format!("localhost:{}", port);

	let mut chain = chain::init();
	let templating_engine = template_engine();
	chain.link_after(templating_engine);

	Iron::new(chain)
		.http(bind_addr.as_str())
		.unwrap();
}