extern crate colored;
extern crate percent_encoding;
extern crate hyper;
extern crate mars;

use std::thread;
use std::sync::{Mutex, Arc, mpsc};

use colored::*;

use percent_encoding::percent_decode;

use hyper::{Body, Response, Server};
use hyper::service::service_fn_ok;
use hyper::rt::Future;

use mars::{GeneralBuilder, builder_arguments_from_string};

fn main() {

    let (tx, rx) = mpsc::channel();

    let tasks = Arc::new(Mutex::new(vec![]));
    let clone = tasks.clone();

    thread::spawn(move || {

        let addr = ([127, 0, 0, 1], 1500).into();

        let server = Server::bind(&addr)
            .serve(move || {
                let clone = clone.clone();
                let tx_clone = tx.clone();
                let r = service_fn_ok(move |r| {
                    clone.lock().unwrap().push(r.uri().clone());
                    tx_clone.send(()).unwrap();
                    Response::new(Body::from("Ok"))
                });
                r
            })
            .map_err(|e| eprintln!("server error: {}", e));

        println!("{}", format!("Mars server listening on {}...", addr).bold().green());
        hyper::rt::run(server);

    });

    for _ in rx {

        let mut tasks = tasks.lock().unwrap();

        while let Some(uri) = tasks.pop() {

            thread::spawn(move || {

                let builder = GeneralBuilder::new();
                let uri = percent_decode(uri.path().as_bytes()).decode_utf8().unwrap();
                let (path, args) = builder_arguments_from_string(&*uri);

                let path_string = path.to_str().unwrap();
                let start_string = format!("---- STARTING BUILD ---- from {} {}", path_string, args.join(" "));
                println!("{}", start_string.bold().green());

                match builder.build(&path, &args) {
                    Err(_) => {
                        println!("{}", "--------- FAIL ---------".bold().red());
                    },
                    Ok(_) => {
                        println!("{}", "----- SUCCESSFUL -----".bold().green());
                    },
                };
                println!();

            });

        }
    }
}