#[repr(C)]
pub enum EventType {
    Press,
    Release,
}

#[repr(C)]
pub struct Event {
    event_type: EventType,
    key: i32,
}

static mut SHOULD_BREAK: bool = false;

static mut GLOBAL_HOOK: Option<extern "C" fn(Event)> = None;

static mut STARTED: bool = false;

mod windows;

#[no_mangle]
pub extern "C" fn run(callback: extern "C" fn(Event)) {
    unsafe {
        GLOBAL_HOOK = Some(callback);
    }

    if unsafe { STARTED } {
        return;
    }

    unsafe {
        STARTED = true;
    }

    std::thread::spawn(|| {
        windows::install_hooks();
        windows::process_message();
    });
}

pub extern "C" fn stop() {
    unsafe {
        SHOULD_BREAK = true;
    }
}