use open_launcher::{auth, version, Launcher};
use std::{env, path};

#[tokio::main]
async fn main() {
    let mut launcher = Launcher::new(
        path::Path::new(env::home_dir().unwrap().as_path())
            .join(".open_launcher")
            .to_str()
            .unwrap(),
        path::Path::new(env::home_dir().unwrap().as_path())
            .join(".open_launcher")
            .join("jre")
            .join("bin")
            .join("java.exe")
            .to_str()
            .unwrap(),
        version::Version {
            minecraft_version: "1.20.2".to_string(),
            loader: Some("fabric".to_string()),
            loader_version: Some("0.15.10".to_string()),
        },
    )
    .await;

    launcher.auth(auth::OfflineAuth::new("Player"));
    launcher.custom_resolution(1280, 720);
    // launcher.fullscreen(true);
    // launcher.quick_play("multiplayer", "hypixel.net");

    let mut progress = launcher.on_progress();
    tokio::spawn(async move {
        loop {
            match progress.recv().await {
                Ok(progress) => {
                    println!(
                        "Progress: {} {}/{} ({}%)",
                        progress.task,
                        progress.current,
                        progress.total,
                        match progress.total {
                            0 => 0,
                            _ => (progress.current as f64 / progress.total as f64 * 100.0 * 100.0)
                                .round() as u64,
                        } as f32
                            / 100.0
                    );
                }
                Err(_) => {
                    println!("Progress channel closed");
                    break;
                }
            }
        }
    });

    match launcher.install_version().await {
        Ok(_) => println!("Version installed successfully."),
        Err(e) => println!("An error occurred while installing the version: {}", e),
    };

    match launcher.install_assets().await {
        Ok(_) => println!("Assets installed successfully."),
        Err(e) => println!("An error occurred while installing the assets: {}", e),
    };

    match launcher.install_libraries().await {
        Ok(_) => println!("Libraries installed successfully."),
        Err(e) => println!("An error occurred while installing the libraries: {}", e),
    };

    let mut process = match launcher.launch() {
        Ok(p) => p,
        Err(e) => {
            println!("An error occurred while launching the game: {}", e);
            std::process::exit(1);
        }
    };

    let _ = process.wait();

    println!("Game closed.");
}