use std::process::ExitCode;

use config::Node;
use log::debug;

use crate::config::Config;
use crate::supervisor::run_tasks;

mod supervisor;
mod linkmap;
mod config;

#[cfg(feature="irc")]
mod bridge_irc;
#[cfg(feature="irc-sp")]
mod bridge_irc_sp;
#[cfg(feature="matrix")]
mod bridge_matrix;
#[cfg(feature="discord")]
mod bridge_discord;

#[cfg(any(
	not(any(feature="tls-rustls", feature="tls-native")),
	all(feature="tls-rustls", feature="tls-native"),
))]
compile_error!(r#"exactly one of "tls-rustls" or "tls-native" must be enabled."#);

#[tokio::main]
async fn main() -> ExitCode {
	env_logger::init();

	debug!("reading arguments");
	let mut args = std::env::args();
	let cmd_name = args.next()
		.unwrap_or_else(|| env!("CARGO_PKG_NAME").to_owned());

	let Some(conf_filename) = args.next() else {
        eprintln!("Usage: {cmd_name} <config>");
        return ExitCode::FAILURE
	};

	debug!("reading config file");
	let conf_str = match std::fs::read_to_string(&conf_filename) {
		Ok(s) => s,
		Err(e) => {
			eprintln!("Failed to read {conf_filename}: {e}");
			return ExitCode::FAILURE
		}
	};

	debug!("parsing config");
	let config: Config = match toml::from_str(&conf_str) {
		Ok(c) => c,
		Err(e) => {
			eprintln!("{e}");
			return ExitCode::SUCCESS
		}
	};

	let tasks = config.nodes.into_iter()
		.map(|(k, t)| (k, Node::into_task(t)))
		.collect();

	debug!("running tasks");
	run_tasks(tasks).await;
	ExitCode::SUCCESS
}