// ***************************************************************************************************************************
// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file *
// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
// * to you 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.apache.juneau.dto.openapi3;

import static org.apache.juneau.internal.CollectionUtils.*;
import static org.apache.juneau.internal.ConverterUtils.*;

import org.apache.juneau.annotation.*;
import org.apache.juneau.internal.*;

import java.util.*;

/**
 * TODO
 */
@Bean(properties="schema,example,examples,encoding,*")
@FluentSetters
public class MediaType extends OpenApiElement{
   private SchemaInfo schema;
   private Object example;
   private Map<String,Example> examples;
   private Map<String,Encoding> encoding;

   /**
    * Default constructor.
    */
   public MediaType() { }

   /**
    * Copy constructor.
    *
    * @param copyFrom The object to copy.
    */
   public MediaType(MediaType copyFrom) {
      super(copyFrom);

      this.schema = copyFrom.schema;
      this.example = copyFrom.example;
      if (copyFrom.examples == null)
         this.examples = null;
      else
         this.examples = new LinkedHashMap<>();
      for (Map.Entry<String,Example> e : copyFrom.examples.entrySet())
         this.examples.put(e.getKey(), e.getValue().copy());

      if (copyFrom.encoding == null)
         this.encoding = null;
      else
         this.encoding = new LinkedHashMap<>();
      for (Map.Entry<String,Encoding> e : copyFrom.encoding.entrySet())
         this.encoding.put(e.getKey(), e.getValue().copy());
   }

   /**
    * Make a deep copy of this object.
    *
    * @return A deep copy of this object.
    */
   public MediaType copy() {
      return new MediaType(this);
   }

   @Override /* OpenApiElement */
   protected MediaType strict() {
      super.strict();
      return this;
   }

   /**
    * Bean property getter:  <property>schema</property>.
    *
    * @return The property value, or <jk>null</jk> if it is not set.
    */
   public SchemaInfo getSchema() {
      return schema;
   }

   /**
    * Bean property setter:  <property>schema</property>.
    *
    * @param value
    *    The new value for this property.
    *    <br>Can be <jk>null</jk> to unset the property.
    * @return This object
    */
   public MediaType setSchema(SchemaInfo value) {
      schema = value;
      return this;
   }

   /**
    * Bean property getter:  <property>x-example</property>.
    *
    * @return The property value, or <jk>null</jk> if it is not set.
    */
   @Beanp("x-example")
   public Object getExample() {
      return example;
   }

   /**
    * Bean property setter:  <property>examples</property>.
    *
    * @param value
    *    The new value for this property.
    *    <br>Can be <jk>null</jk> to unset the property.
    * @return This object
    */
   @Beanp("x-example")
   public MediaType setExample(Object value) {
      example = value;
      return this;
   }

   /**
    * Bean property getter:  <property>variables</property>.
    *
    * @return The property value, or <jk>null</jk> if it is not set.
    */
   public Map<String, Encoding> getEncoding() {
      return encoding;
   }

   /**
    * Bean property setter:  <property>variables</property>.
    *
    * @param value
    *    The new value for this property.
    * @return This object
    */
   public MediaType setEncoding(Map<String, Encoding> value) {
      encoding = copyOf(value);
      return this;
   }

   /**
    * Adds one or more values to the <property>variables</property> property.
    *
    * @param key The mapping key.
    * @param value
    *    The values to add to this property.
    *    <br>Ignored if <jk>null</jk>.
    * @return This object
    */
   public MediaType addEncoding(String key, Encoding value) {
      encoding = mapBuilder(encoding).sparse().add(key, value).build();
      return this;
   }

   /**
    * Bean property getter:  <property>examples</property>.
    *
    * <p>
    * The list of possible responses as they are returned from executing this operation.
    *
    * @return The property value, or <jk>null</jk> if it is not set.
    */
   public Map<String,Example> getExamples() {
      return examples;
   }

   /**
    * Bean property setter:  <property>headers</property>.
    *
    * <p>
    * A list of examples that are sent with the response.
    *
    * @param value
    *    The new value for this property.
    *    <br>Can be <jk>null</jk> to unset the property.
    * @return This object
    */
   public MediaType setExamples(Map<String,Example> value) {
      examples = copyOf(value);
      return this;
   }

   /**
    * Adds a single value to the <property>examples</property> property.
    *
    * @param name The example name.
    * @param example The example.
    * @return This object
    */
   public MediaType addExample(String name, Example example) {
      examples = mapBuilder(examples).add(name, example).build();
      return this;
   }

   // <FluentSetters>

   // </FluentSetters>

   @Override /* OpenApiElement */
   public <T> T get(String property, Class<T> type) {
      if (property == null)
         return null;
      switch (property) {
         case "schema": return toType(getSchema(), type);
         case "example": return toType(getExample(), type);
         case "examples": return toType(getExamples(), type);
         case "encoding": return toType(getEncoding(), type);
         default: return super.get(property, type);
      }
   }

   @Override /* OpenApiElement */
   public MediaType set(String property, Object value) {
      if (property == null)
         return this;
      switch (property) {
         case "schema": return setSchema(toType(value, SchemaInfo.class));
         case "example": return setExample(value);
         case "examples": return setExamples(mapBuilder(String.class,Example.class).sparse().addAny(value).build());
         case "encoding": return setEncoding(mapBuilder(String.class,Encoding.class).sparse().addAny(value).build());
         default:
            super.set(property, value);
            return this;
      }
   }

   @Override /* OpenApiElement */
   public Set<String> keySet() {
      Set<String> s = setBuilder(String.class)
            .addIf(schema != null, "schema")
            .addIf(example != null, "example")
            .addIf(encoding != null, "encoding")
            .addIf(examples != null, "examples")
            .build();
      return new MultiSet<>(s, super.keySet());
   }
}