/*
    * Copyright 2016 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.openehealth.ipf.boot.fhir;
  
  import ca.uhn.fhir.context.FhirVersionEnum;
  import lombok.Getter;
  import lombok.Setter;
  import org.springframework.boot.context.properties.ConfigurationProperties;
  import org.springframework.boot.context.properties.NestedConfigurationProperty;
  import org.springframework.core.io.Resource;
  import org.springframework.validation.annotation.Validated;
  
  import javax.validation.constraints.NotNull;
  import javax.validation.constraints.Pattern;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   *
   */
  @Validated
  @ConfigurationProperties(prefix = "ipf.fhir")
  public class IpfFhirConfigurationProperties {
  
      /**
       * Which FHIR version to use
       */
      @Getter @Setter
      private FhirVersionEnum fhirVersion = FhirVersionEnum.DSTU3;
  
      @NestedConfigurationProperty
      @Getter
      private final Servlet servlet = new Servlet();
  
      /**
       * Path that serves as the base URI for the FHIR services.
       */
      @NotNull
      @Getter @Setter
      @Pattern(regexp = "/[^?#]*", message = "Path must start with /")
      private String path = "/fhir";
  
      /**
       * Resource containing NamingSystems used for mapping between namespaces
       */
      @Getter @Setter
      private List<Resource> namingSystems = new ArrayList<>();
  
      /**
       * Whether to create a cached PagingProvider
       */
      @Getter @Setter
      private boolean caching;
  
  
  
      String getFhirMapping() {
          String path = getPath();
          return path.endsWith("/") ? path + "*" : path + "/*";
      }
  
      public static class Servlet {
  
          /**
           * Servlet init parameters to pass to the FHIR Servlet.
           */
          @Getter @Setter
          private Map<String, String> init = new HashMap<>();
  
          /**
           * Load on startup priority of the FHIR servlet.
           */
          @Getter @Setter
          private int loadOnStartup = 1;
  
          /**
           * Name of the servlet
           */
          @Getter @Setter
          private String name = "FhirServlet";
  
          /**
           * Number of concurrent paging requests that can be handled
          */
         @Getter @Setter
         private int pagingRequests = 50;
 
         /**
          * Default number of result entries to be returned if no _count parameter is specified in a search
          */
         @Getter @Setter
         private int defaultPageSize = 50;
 
         /**
          * Maximum number of result entries to be returned even if the _count parameter of a search demands for more
          */
         @Getter @Setter
         private int maxPageSize = 100;
 
         /**
          * Whether the Paging Provider cache is expected to be distributed, so that serialization of result
          * bundles is necessary. In this case, FHIR endpoints must not use lazy-loading of results.
          */
         @Getter @Setter
         private boolean distributedPagingProvider = false;
 
         /**
          * Enable server-side request logging
          */
         @Getter @Setter
         private boolean logging = false;
 
         /**
          * Enable pretty-printing responses
          */
         @Getter @Setter
         private boolean prettyPrint = true;
 
         /**
          * Enable color-coding responses queried from a Web Browser
          */
         @Getter @Setter
         private boolean responseHighlighting = true;
 
         /**
          * Enable strict resource parsing
          */
         @Getter @Setter
         private boolean strict = false;
     }
 }