use std::{net::TcpListener, process};

use ctrlc;
use http::responses::Response;

mod handlers;
mod http;

fn main() {
    let listener =
        TcpListener::bind("[::]:7878").unwrap_or_else(|_| fatal("Failed to bind to address"));

    ctrlc::set_handler(move || {
        println!("Shutting down...");
        process::exit(0);
    })
    .unwrap_or_else(|_| fatal("Failed to set termination signal handler"));

    let mut handlers = handlers::Handlers::new();

    handlers.add_handler("/", |req| {
        if req.method == "GET" {
            Response::new(req, 200, "OK - luciders is running")
        } else {
            Response::new(req, 405, "Method Not Allowed")
        }
    });

    handlers.bind(listener);
}

fn fatal(msg: &'static str) -> ! {
    eprintln!("[FATAL] {}", msg);
    process::exit(1);
}

fn error(msg: &'static str) {
    eprintln!("[ERROR] {}", msg);
}