use color_eyre::eyre::{self, WrapErr};
use std::sync::Mutex;

pub type TestResult<T = ()> = eyre::Result<T>;

static COLOR_EYRE_INSTALLED: Mutex<bool> = Mutex::new(false);
pub(super) fn install() {
	let mut lock = COLOR_EYRE_INSTALLED.lock().unwrap();
	if !*lock {
		let _ = color_eyre::install();
		*lock = true;
	}
}

macro_rules! ensure_eq {
	($left:expr, $right:expr $(,)?) => {
		match (&$left, &$right) {
			(left_val, right_val) => {
				::color_eyre::eyre::ensure!((left_val == right_val),
				r#"assertion failed: `(left == right)`
  left: `{:?}`,
 right: `{:?}`"#, left_val, right_val);
			}
		}
	};
	($left:expr, $right:expr, $($arg:tt)+) => {
		match (&$left, &$right) {
			(left_val, right_val) => {
				::color_eyre::eyre::ensure!((left_val == right_val),
				r#"assertion failed: `(left == right)`
  left: `{:?}`,
 right: `{:?}`: {}"#, left_val, right_val, ::core::format_args!($($arg)+));
			}
		}
	};
}

pub trait WrapErrExt<T, E>: WrapErr<T, E> + Sized {
	fn opname(self, loc: &str) -> eyre::Result<T> {
		self.wrap_err_with(|| format!("{loc} failed"))
	}
}
impl<T, E, WE: WrapErr<T, E>> WrapErrExt<T, E> for WE {}