/*
 * Copyright 2019-2023 CloudNetService team & contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package eu.cloudnetservice.node.command.defaults;

import cloud.commandframework.annotations.AnnotationAccessor;
import cloud.commandframework.annotations.injection.InjectionService;
import cloud.commandframework.context.CommandContext;
import cloud.commandframework.types.tuples.Triplet;
import eu.cloudnetservice.driver.inject.InjectionLayer;
import eu.cloudnetservice.node.command.source.CommandSource;
import jakarta.inject.Singleton;
import lombok.NonNull;
import org.jetbrains.annotations.Nullable;

@Singleton
final class AerogelInjectionService implements InjectionService<CommandSource> {

  @Override
  public @Nullable Object handle(@NonNull Triplet<CommandContext<CommandSource>, Class<?>, AnnotationAccessor> input) {
    // get the associated data from the input values
    var targetClass = input.getSecond();
    var injectionLayer = InjectionLayer.findLayerOf(targetClass);

    // get the instance of the given class from the injection layer
    return injectionLayer.instance(targetClass);
  }
}
