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use crate::Context;
use crate::HandleScope;
use crate::Local;
use crate::Object;
use crate::Proxy;
use crate::Value;

extern "C" {
  fn v8__Proxy__New(
    context: *const Context,
    target: *const Object,
    handler: *const Object,
  ) -> *const Proxy;
  fn v8__Proxy__GetHandler(this: *const Proxy) -> *const Value;
  fn v8__Proxy__GetTarget(this: *const Proxy) -> *const Value;
  fn v8__Proxy__IsRevoked(this: *const Proxy) -> bool;
  fn v8__Proxy__Revoke(this: *const Proxy);
}

impl Proxy {
  pub fn new<'s>(
    scope: &mut HandleScope<'s>,
    target: Local<Object>,
    handler: Local<Object>,
  ) -> Option<Local<'s, Proxy>> {
    unsafe {
      scope.cast_local(|sd| {
        v8__Proxy__New(sd.get_current_context(), &*target, &*handler)
      })
    }
  }

  pub fn get_handler<'s>(
    &self,
    scope: &mut HandleScope<'s>,
  ) -> Local<'s, Value> {
    unsafe { scope.cast_local(|_| v8__Proxy__GetHandler(&*self)) }.unwrap()
  }

  pub fn get_target<'s>(
    &self,
    scope: &mut HandleScope<'s>,
  ) -> Local<'s, Value> {
    unsafe { scope.cast_local(|_| v8__Proxy__GetTarget(&*self)) }.unwrap()
  }

  pub fn is_revoked(&self) -> bool {
    unsafe { v8__Proxy__IsRevoked(self) }
  }

  pub fn revoke(&self) {
    unsafe { v8__Proxy__Revoke(self) };
  }
}