use std::{sync::mpsc::channel, thread::spawn};

use app::App;
use eframe::egui::{self};
use tungstenite::{connect, Message};

mod app;

fn main() {
    let address = std::env::args().nth(1).expect("No url given!");

    if let Ok(ws) = connect(address) {
        let (mut socket, _) = ws;
        let (tx, rx) = channel();

        spawn(move || loop {
            let message = socket.read_message();

            if let Ok(message) = message {
                if message.to_string() == "__PING__" {
                    socket
                        .write_message(Message::Text("__PONG__".to_string()))
                        .expect("Failed to respond to ping! Did the WebSocket server die?");
                } else {
                    tx.send(message)
                        .expect("Failed to send message to channel! (This shouldn't be possible)");
                }
            }
        });

        eframe::run_native(
            "Log Viewer",
            eframe::NativeOptions::default(),
            Box::new(|cc| {
                let mut fonts = egui::FontDefinitions::default();
                fonts.font_data.iter_mut().for_each(|font| {
                    font.1.tweak.scale = 2.0;
                });
                cc.egui_ctx.set_fonts(fonts);

                Box::new(App::new(rx))
            }),
        );
    } else {
        panic!("Could not connect to websocket!");
    }
}