extern crate actix;
extern crate actix_web;
extern crate webterm;
extern crate structopt;
#[macro_use]
extern crate lazy_static;

use actix_web::{fs::StaticFiles, server, App};
use structopt::StructOpt;
use webterm::WebTermExt;

use std::process::Command;

#[derive(StructOpt, Debug)]
#[structopt(name = "webterm-server")]
struct Opt {
    /// The port to listen on
    #[structopt(short, long, default_value = "8080")]
    port: u16,

    /// The host or IP to listen on
    #[structopt(short, long, default_value = "localhost")]
    host: String,

    /// The command to execute
    #[structopt(short, long, default_value = "/bin/sh")]
    command: String,
}

lazy_static! {
    static ref OPT: Opt = Opt::from_args();
}


fn main() {
    pretty_env_logger::init();

    server::new(|| {
        App::new()
            .handler(
                "/static",
                StaticFiles::new("node_modules")
                    .unwrap()
                    .show_files_listing(),
            )
            .webterm_socket("/websocket", |_req| {
                let mut cmd = Command::new(OPT.command.clone());
                cmd.env("TERM", "xterm");
                cmd
            })
            .webterm_ui("/", "/websocket", "/static")
    })
    .bind(format!("{}:{}", OPT.host, OPT.port))
    .unwrap()
    .run();
}