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package io.thestencil.quarkus.iam;

/*-
 * #%L
 * quarkus-stencil-iam
 * %%
 * Copyright (C) 2021 - 2022 Copyright 2021 ReSys OÜ
 * %%
 * 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.
 * #L%
 */

import java.util.function.Function;

import javax.enterprise.inject.spi.CDI;

import com.fasterxml.jackson.databind.ObjectMapper;

import io.quarkus.arc.Arc;
import io.quarkus.arc.ArcContainer;
import io.quarkus.arc.runtime.BeanContainerListener;
import io.quarkus.runtime.annotations.Recorder;
import io.quarkus.security.identity.CurrentIdentityAssociation;
import io.quarkus.vertx.http.runtime.CurrentVertxRequest;
import io.thestencil.quarkus.iam.handler.IAMHandler;
import io.vertx.core.Handler;
import io.vertx.ext.web.Route;
import io.vertx.ext.web.Router;
import io.vertx.ext.web.RoutingContext;

@Recorder
public class IAMRecorder {
  public static final String FEATURE_BUILD_ITEM = "user-iam";
  
  public BeanContainerListener buildtimeConfig(String servicePath) {
    return beanContainer -> {
      final var instance = beanContainer.beanInstance(IAMBeanFactory.class);
      instance.setServicePath(servicePath);
    };
  }
  
  public void runtimeConfig(RuntimeConfig runtimeConfig) {
    CDI.current().select(IAMBeanFactory.class).get().setRuntimeConfig(runtimeConfig);
  }

  public Handler iamHandler(String liveness, String roles) {
    final var identityAssociations = CDI.current().select(CurrentIdentityAssociation.class);
    CurrentIdentityAssociation association;
    if (identityAssociations.isResolvable()) {
      association = identityAssociations.get();
    } else {
      association = null;
    }
    CurrentVertxRequest currentVertxRequest = CDI.current().select(CurrentVertxRequest.class).get();
    ArcContainer container = Arc.container();
    ObjectMapper objectMapper = container.instance(ObjectMapper.class).get();
    return new IAMHandler(objectMapper, association, currentVertxRequest, liveness, roles);
  }

  public Function routeFunction(String rootPath, Handler bodyHandler) {
    return new Function() {
      @Override
      public Route apply(Router router) {
        return router.route(rootPath).handler(bodyHandler);
      }
    };
  }
}