use std::{
	error::Error,
	path::PathBuf,
};

use structopt::StructOpt;
use tokio::runtime;
use tracing::debug;

#[derive (Debug, StructOpt)]
struct Opt {
	//#[structopt (long)]
	//file_server_root: Option <PathBuf>,
	
	#[structopt (long)]
	config_path: Option <PathBuf>,
}

fn main () -> Result <(), Box <dyn Error>> {
	let opt = Opt::from_args ();
	
	tracing_subscriber::fmt::init ();
	let path = opt.config_path.unwrap_or_else (|| PathBuf::from ("./config/ptth_server.toml"));
	let config_file: ptth::server::ConfigFile = ptth::load_toml::load (&path);
	
	let mut rt = if false {
		debug! ("Trying to use less RAM");
		
		runtime::Builder::new ()
        .threaded_scheduler ()
        .enable_all ()
        .core_threads (1)
        .thread_stack_size (1024 * 1024)
        .build ()?
	}
	else {
		runtime::Runtime::new ()?
	};
	
	rt.block_on (async {
		ptth::server::run_server (
			config_file, 
			ptth::graceful_shutdown::init (),
			Some (path)
		).await
	})?;
	
	Ok (())
}