use log::{error, info};
use space_crush_app::{App, Error};
use space_crush_common::{
    misc::{init_logger, Vfs},
    Dispatcher,
};
use specs::{World, WorldExt};

fn main() -> Result<(), Error> {
    let vfs = Vfs::new(&["space-crush-app"])?;

    init_logger(&vfs, "log4rs.yml");

    vfs.log_info();

    info!("Application started");

    if let Err(err) = run(vfs) {
        error!("Error while executing application: {}", err);

        return Err(err);
    }

    info!("Application exited");

    Ok(())
}

fn run(vfs: Vfs) -> Result<(), Error> {
    let mut world = World::new();
    world.insert(vfs);

    let mut common = Dispatcher::new(&mut world);
    let mut app = App::new(&mut world)?;

    create_test_world(&mut world);

    while app.is_running() {
        common.process(&world);
        app.process(&world)?;
    }

    Ok(())
}

fn create_test_world(world: &mut World) {
    use glc::vector::Vector2f;
    use space_crush_common::components::{Planet, Position};
    use specs::Builder;

    world
        .create_entity()
        .with(Position {
            pos: Vector2f::default(),
            size: 500.0,
        })
        .with(Planet)
        .build();
}