// SPDX: GPL-2.0-only
use std::io;
use wayland_server::client::Client;
use wayland_server::display::Display;
use wayland_server::global::{Global, GlobalState};
use wayland_server::interface::{Interface, Output};
use wayland_server::resource::Resource;

struct State {
    output_interface: Interface<Output>,
}
impl State {
    pub fn new() -> Self {
        Self { output_interface: Interface::<Output>::new() }
    }
}
impl GlobalState for State {
    fn handle_output_bind(&self, client: &Client, _version: u32, id: u32) -> io::Result<()>{
        let resource = Resource::new(&client, id, &self.output_interface)?;


        Ok(())
    }
}

fn main() -> io::Result<()> {
    // Creating a compositor State 
    let state = State::new();

    // create a wayland display
    let display = Display::new()?;

    // get the global registry 
    let _global = Global::new(&display, state)?;

    println!("Running wayland_display on {}", display.get_name());

    display.run()?;

    // clean-up
    drop(display);

    Ok(())
}