#[macro_use]
extern crate log;

use std::{thread, env};
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, watch};

fn main() {

    beautylog::init(log::LevelFilter::Info).ok();

    let args = env::args().collect::<Vec<_>>();

    if args.len() == 3 && args[1] == "-w" {
        if let Err(e) = watch(&args[2]) {
            error!("{:?}", e);
        }
    }

    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| error!("server error: {}", e));

        info!("mars server listening on {}...", addr);
        hyper::rt::run(server);

    });

    let mut builder = GeneralBuilder::new();

    for _ in rx {

        let uri = {
            let mut tasks = tasks.lock().unwrap();
            tasks.pop()
        };

        if let Some(uri) = uri {

            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!();

        }
    }
}