/*
    * Copyright 2019 the original author or 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 org.bremersee.test.web;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  import lombok.EqualsAndHashCode;
  import org.springframework.util.StringUtils;
  
  /**
   * The rest api tester path.
   *
   * @author Christian Bremer
   */
  public interface RestApiTesterPath {
  
    /**
     * Creates a new path builder.
     *
     * @return the path builder
     */
    static RestApiTesterPath.Builder pathBuilder() {
      return new BuilderImpl();
    }
  
    /**
     * To path builder.
     *
     * @return the path builder
     */
    RestApiTesterPath.Builder toPathBuilder();
  
    /**
     * The path builder interface.
     */
    interface Builder {
  
      /**
       * Add step and value.
       *
       * @param stepType the step type
       * @param value the value
       * @return the builder
       */
      Builder add(PathType stepType, String value);
  
      /**
       * Build rest api tester path.
       *
       * @return the rest api tester path
       */
      RestApiTesterPath build();
    }
  
    /**
     * The rest api tester path implementation.
     */
    class Impl extends ArrayList<RestApiTesterPathValues> implements RestApiTesterPath {
  
      private Impl(Collection<? extends RestApiTesterPathValues> collection) {
        super(collection);
      }
  
      @Override
      public RestApiTesterPath.Builder toPathBuilder() {
        return new BuilderImpl(this);
      }
  
      @Override
      public String toString() {
        return StringUtils.collectionToDelimitedString(this, " -> ");
      }
    }
  
    /**
     * The path builder implementation.
     */
    class BuilderImpl implements RestApiTesterPath.Builder {
  
      private final List<RestApiTesterPathValues> values = new ArrayList<>();
  
      private BuilderImpl() {
      }
  
     private BuilderImpl(Collection<? extends RestApiTesterPathValues> collection) {
       if (collection != null) {
         values.addAll(collection);
       }
     }
 
     @Override
     public Builder add(PathType stepType, String value) {
       values.add(new RestApiTesterPathValues(stepType, value));
       return this;
     }
 
     @Override
     public RestApiTesterPath build() {
       return new Impl(new ArrayList<>(values));
     }
   }
 
   /**
    * The path type.
    */
   enum PathType {
 
     /**
      * Path type Class.
      */
     CLASS("Class"),
 
     /**
      * Path type Method.
      */
     METHOD("Method"),
 
     /**
      * Path type Method parameter.
      */
     METHOD_PARAMETER("Parameter"),
 
     /**
      * Path type Annotation.
      */
     ANNOTATION("Annotation"),
 
     /**
      * Path type Attribute.
      */
     ATTRIBUTE("Attribute");
 
     private final String value;
 
     PathType(String value) {
       this.value = value;
     }
 
     @Override
     public String toString() {
       return value;
     }
   }
 
   /**
    * The path values.
    */
   @EqualsAndHashCode(doNotUseGetters = true)
   class RestApiTesterPathValues {
 
     private final PathType type;
 
     private final String value;
 
     /**
      * Instantiates a new path model.
      *
      * @param type the type
      * @param value the value
      */
     RestApiTesterPathValues(PathType type, String value) {
       this.type = type;
       this.value = value;
     }
 
     @Override
     public String toString() {
       return type + " (" + value + ")";
     }
   }
 }