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use std::fs::File;
use std::io::prelude::*;

extern crate notify_rust;
extern crate toml;
extern crate websocket;
extern crate rustc_serialize;
use notify_rust::Notification;

mod message;
use message::{Message, Push};

fn main() {
    use websocket::{Receiver};
    use websocket::client::request::Url;
    use websocket::Client;

    let mut cfg_file = File::open("config.toml").expect("Could not find config.toml.");
    let mut s = String::new();
    cfg_file.read_to_string(&mut s).expect("Could not read config.toml");
    let cfg = toml::Parser::new(s.as_ref()).parse().unwrap();
    let cfg_pb = cfg.get("pushbullet")
        .expect("Could not find [pushbullet] section in config.")
        .as_table()
        .expect("Config should contain a [pushbullet] section.");
    let token = cfg_pb.get("token")
        .expect("[pushbullet] section should contain 'token'")
        .as_str()
        .expect("'token' should be a string");

    let wss_url = format!("wss://stream.pushbullet.com/websocket/{}", token);
    let url = Url::parse(wss_url.as_ref()).unwrap();
    let request = Client::connect(url).unwrap();
    let response = request.send().unwrap();
    response.validate().unwrap();

    let (mut sender, mut receiver) = response.begin().split();

    for message in receiver.incoming_messages() {
        let message = match message {
            Ok(m) => m,
            Err(e) => {
                println!("Error: {:?}", e);
                return;
            }
        };

        match message {
            websocket::Message::Close(_) => {
                return;
            }
            websocket::Message::Text(message) => {
                let msg = Message::parse(message.as_ref());
                if let Some(msg) = msg {
                    match msg {
                        Message::Push(Push::Mirror {
                            title,
                            body,
                            application_name,
                            ..
                        }) => {
                            let title = format!("{}: {}", application_name, title);
                            Notification::new()
                                .body(body.as_ref())
                                .summary(title.as_ref())
                                .show()
                                .unwrap();
                        }
                        _ => {}
                    }
                }
            }
            _ => {
                println!("Got {:?}", message);
            }
        }
    }
}