/*
    * Copyright (c) 2022-2023. Roland T. Lichti, Kaiserpfalz EDV-Service.
    *
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU General Public License as published by
    * the Free Software Foundation, either version 3 of the License, or
    * (at your option) any later version.
    *
    * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  package de.kaiserpfalzedv.commons.core.resources;
  
  import java.io.Serializable;
  import java.util.Optional;
  import java.util.UUID;
  
  import org.eclipse.microprofile.openapi.annotations.media.Schema;
  
  import com.fasterxml.jackson.annotation.JsonIgnore;
  import com.fasterxml.jackson.annotation.JsonInclude;
  import com.fasterxml.jackson.annotation.JsonPropertyOrder;
  
  import de.kaiserpfalzedv.commons.api.resources.Metadata;
  import de.kaiserpfalzedv.commons.api.resources.Resource;
  import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  import jakarta.validation.constraints.NotNull;
  import lombok.AllArgsConstructor;
  import lombok.Builder;
  import lombok.EqualsAndHashCode;
  import lombok.Getter;
  import lombok.NoArgsConstructor;
  import lombok.ToString;
  import lombok.experimental.SuperBuilder;
  import lombok.extern.jackson.Jacksonized;
  
  /**
   * Resource -- A generic resource holding a single data set.
   *
   * @param <D> The data set provided by this resource.
   * @author klenkes74 {@literal <rlichti@kaiserpfalz-edv.de>}
   * @version 3.0.0  2023-01-07
   * @version 2.1.0  2022-01-16
   * @since 2.0.0  2021-05-24
   */
  @SuppressFBWarnings(value = "EI_EXPOSE_REF2", justification = "Use of lombok provided builder.")
  @Jacksonized
  @SuperBuilder(toBuilder = true)
  @AllArgsConstructor
  @NoArgsConstructor
  @Getter
  @ToString(onlyExplicitlyIncluded = true, callSuper = true)
  @EqualsAndHashCode(onlyExplicitlyIncluded = true)
  @JsonInclude(JsonInclude.Include.NON_ABSENT)
  @JsonPropertyOrder({"metadata", "spec", "status"})
  public class ResourceImpl<D extends Serializable> implements Resource<D> {
      /** serial class version */
      private static final long serialVersionUID = 0L;
  
      @Schema(
              name = "metadata",
              description = "Technical data to the resource.",
              required = true
      )
      @NotNull
      @ToString.Include
      @EqualsAndHashCode.Include
      protected Metadata metadata;
  
  
      @Schema(
              name = "spec",
              description = "The resource data itself.",
              required = true
      )
      @Builder.Default
      protected D spec = null;
  
  
      @Schema(
              name = "status",
              description = "The status of the resource (containing the history).",
              nullable = true
      )
      @Builder.Default
      @SuppressFBWarnings(value = {"EI_EXPOSE_REP","EI_EXPOSE_REP2"}, justification = "lombok provided @Getter are created")
      protected StatusImpl status = null;
  
  
      @Override
      @JsonIgnore
      public PointerImpl toPointer() {
          return PointerImpl.builder()
                 .kind(this.getKind())
                 .apiVersion(this.getApiVersion())
                 .nameSpace(this.getNameSpace())
                 .nameSpace(this.getName())
                 .build();
     }
 
     @JsonIgnore
     @Override
     public String getKind() {
         return this.getMetadata().getKind();
     }
 
     @JsonIgnore
     @Override
     public String getApiVersion() {
         return this.getMetadata().getApiVersion();
     }
 
     @JsonIgnore
     @Override
     public String getNameSpace() {
         return this.getMetadata().getNameSpace();
     }
 
     @JsonIgnore
     @Override
     public String getName() {
         return this.getMetadata().getName();
     }
 
     @Override
     @JsonIgnore
     public UUID getUid() {
         return this.metadata.getUid();
     }
 
     @Override
     @JsonIgnore
     public Integer getGeneration() {
         return this.metadata.getGeneration();
     }
 
 
     @JsonIgnore
     public Optional<D> getData() {
         return Optional.ofNullable(this.spec);
     }
 
     @JsonIgnore
     public Optional<StatusImpl> getState() {
         return Optional.ofNullable(this.status);
     }
 
     @Override
     @JsonIgnore
     public String getSelfLink() {
         return this.getMetadata().getSelfLink();
     }
 
 
     @Override
     synchronized public ResourceImpl<D> increaseGeneration() {
         return this.toBuilder()
                 .metadata(this.getMetadata().increaseGeneration())
                 .build();
     }
 
 
     @SuppressWarnings("MethodDoesntCallSuperMethod")
     @SuppressFBWarnings(value = "CN_IDIOM_NO_SUPER_CALL", justification = "Using the lombok builder.")
     @Override
     public ResourceImpl<D> clone() {
         return this.toBuilder().build();
     }
 }