/**
 * Copyright 2018 The original authors.
 *
 * 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 io.dekorate.thorntail;

import io.dekorate.WithSession;
import io.dekorate.Generator;
import io.dekorate.Session;
import io.dekorate.kubernetes.config.Port;
import io.dekorate.kubernetes.config.PortBuilder;
import io.dekorate.kubernetes.configurator.AddPort;
import io.dekorate.kubernetes.configurator.SetPortPath;

import javax.lang.model.element.Element;
import javax.ws.rs.ApplicationPath;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

public interface ThorntailWebAnnotationGenerator extends Generator, WithSession {

  Map WEB_ANNOTATIONS=Collections.emptyMap();

  @Override
  default void add(Element element) {
    ApplicationPath application = element.getAnnotation(ApplicationPath.class);
    if (application != null) {
      HashMap<String, Object> map = new HashMap<>();
      map.put(ApplicationPath.class.getName(), new HashMap<String, String>() {{
        put("value", application.value());
        }});
      add(map);
    }
  }

  @Override
  default void add(Map map) {
    Session session = getSession();
    Port port = detectHttpPort();
    session.configurators().add(new AddPort(port));

    Map<String, Object> applicationPath = propertiesMap(map, ApplicationPath.class);
    if (applicationPath != null && applicationPath.containsKey("value")) {
      String path = String.valueOf(applicationPath.get("value"));
      session.configurators().add(new SetPortPath(port.getName(), path));
    }
  }

  default Port detectHttpPort()  {
    return new PortBuilder().withContainerPort(8080).withName("http").build();
  }

}
