use crate::isolate::Isolate;
use crate::Boolean;
use crate::HandleScope;
use crate::Local;
use crate::Primitive;

extern "C" {
  fn v8__Null(isolate: *mut Isolate) -> *const Primitive;
  fn v8__Undefined(isolate: *mut Isolate) -> *const Primitive;

  fn v8__Boolean__New(isolate: *mut Isolate, value: bool) -> *const Boolean;
}

#[inline(always)]
pub fn null<'s>(scope: &mut HandleScope<'s, ()>) -> Local<'s, Primitive> {
  unsafe { scope.cast_local(|sd| v8__Null(sd.get_isolate_ptr())) }.unwrap()
}

#[inline(always)]
pub fn undefined<'s>(scope: &mut HandleScope<'s, ()>) -> Local<'s, Primitive> {
  unsafe { scope.cast_local(|sd| v8__Undefined(sd.get_isolate_ptr())) }.unwrap()
}

impl Boolean {
  #[inline(always)]
  pub fn new<'s>(
    scope: &mut HandleScope<'s, ()>,
    value: bool,
  ) -> Local<'s, Boolean> {
    unsafe {
      scope.cast_local(|sd| v8__Boolean__New(sd.get_isolate_ptr(), value))
    }
    .unwrap()
  }
}