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use std::sync::atomic::{AtomicBool, Ordering};

static PANIC_CAPTURE: AtomicBool = AtomicBool::new(false);

pub fn is_panic() -> bool {
    PANIC_CAPTURE.load(Ordering::SeqCst)
}

pub fn panic_notify() {
    std::panic::set_hook(Box::new(|panic_info| {
        PANIC_CAPTURE.store(true, Ordering::SeqCst);

        eprintln!(
            "thread: {:?}\npanic_info: {:?}\nbacktrace: \n{:?}",
            std::thread::current().name(),
            panic_info,
            backtrace::Backtrace::new()
        );
        if let Some(s) = panic_info.payload().downcast_ref::<&str>() {
            eprintln!("panic occurred: {:?}", s);
        } else {
            eprintln!("panic occurred:");
        }

        if let Some(location) = panic_info.location() {
            eprintln!(
                "panic occurred in file '{}' at line {}",
                location.file(),
                location.line()
            );
        } else {
            eprintln!("panic occurred but can't get location information...");
        }
    }));
}