/*
 * Copyright The OpenTelemetry Authors
 * SPDX-License-Identifier: Apache-2.0
 */

package io.opentelemetry.javaagent.instrumentation.finaglehttp.v23_11;

import static net.bytebuddy.matcher.ElementMatchers.isConstructor;
import static net.bytebuddy.matcher.ElementMatchers.named;
import static net.bytebuddy.matcher.ElementMatchers.takesArgument;

import io.opentelemetry.javaagent.extension.instrumentation.TypeInstrumentation;
import io.opentelemetry.javaagent.extension.instrumentation.TypeTransformer;
import net.bytebuddy.asm.Advice;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.matcher.ElementMatcher;
import scala.Function1;

public class PromiseMonitoredInstrumentation implements TypeInstrumentation {

  @Override
  public ElementMatcher<TypeDescription> typeMatcher() {
    return named("com.twitter.util.Promise$Monitored");
  }

  @Override
  public void transform(TypeTransformer transformer) {
    transformer.applyAdviceToMethod(
        isConstructor().and(takesArgument(1, named("scala.Function1"))),
        this.getClass().getName() + "$WrapFunctionAdvice");
  }

  @SuppressWarnings("unused")
  public static class WrapFunctionAdvice {

    @Advice.OnMethodEnter(suppress = Throwable.class)
    public static void wrap(
        @Advice.Argument(value = 1, readOnly = false) Function1<?, ?> function1) {
      if (function1 == null) {
        return;
      }

      function1 = Function1Wrapper.wrap(function1);
    }
  }
}
