use axfive_imgui::events::Event;
use axfive_imgui::{imgui, main_loop};
use std::error::Error;

macro_rules! static_cstr {
    ($string:literal) => {
        unsafe { std::ffi::CStr::from_bytes_with_nul_unchecked(concat!($string, '\0').as_bytes()) }
    };
}

fn main() -> Result<(), Box<dyn Error>> {
    main_loop(&mut |events| {
        for event in events {
            match event {
                Event::Quit => return Ok(false),
                _ => (),
            }
        }
        let mut running = true;

        imgui::main_menu_bar(|| {
            imgui::menu(static_cstr!("File"), true, || {
                if imgui::menu_item(
                    static_cstr!("Quit"),
                    Some(static_cstr!("Ctrl-Q")),
                    false,
                    true,
                ) {
                    running = false;
                }
            });
        });
        if !running {
            return Ok(false);
        }

        imgui::show_demo_window(&mut running);

        imgui::window(static_cstr!("Test Window"), &mut running, 0, || {
            imgui::text("This is test text");
        });

        Ok(running)
    })
}