/*
    * 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.basepom.mojo.propertyhelper.beans;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  import static com.google.common.base.Preconditions.checkState;
  
  import java.util.Map;
  import java.util.Optional;
  import java.util.Properties;
  import java.util.StringJoiner;
  
  import com.google.common.annotations.VisibleForTesting;
  import com.google.common.collect.ImmutableMap;
  import com.google.common.collect.Maps;
  
  public class MacroDefinition
          extends AbstractDefinition<MacroDefinition> {
  
      /**
       * Macro type. Field injected by Maven.
       */
      String macroType = null;
  
      /**
       * Class for this macro. Field injected by Maven.
       */
      String macroClass = null;
  
      /**
       * Macro specific properties. Field injected by Maven.
       */
      Properties properties = new Properties();
  
      public MacroDefinition() {
          super();
      }
  
      public Optional<String> getMacroType() {
          return Optional.ofNullable(macroType);
      }
  
      @VisibleForTesting
      public MacroDefinition setMacroType(final String macroType) {
          this.macroType = checkNotNull(macroType, "macroType is null");
          return this;
      }
  
      public Optional<String> getMacroClass() {
          return Optional.ofNullable(macroClass);
      }
  
      @VisibleForTesting
      public MacroDefinition setMacroClass(final String macroClass) {
          this.macroClass = checkNotNull(macroClass, "macroClass is null");
          return this;
      }
  
      public Map<String, String> getProperties() {
          return ImmutableMap.copyOf(Maps.fromProperties(properties));
      }
  
      @VisibleForTesting
      public MacroDefinition setProperties(final Properties properties) {
          this.properties = new Properties(checkNotNull(properties, "properties is null"));
          return this;
      }
  
      @Override
      public void check() {
          super.check();
  
          checkState(macroClass != null || macroType != null, "neither macro class nor macro type is defined!");
      }
  
      @Override
      public String toString() {
          return new StringJoiner(", ", MacroDefinition.class.getSimpleName() + "[", "]")
                  .add("macroType='" + macroType + "'")
                  .add("macroClass='" + macroClass + "'")
                  .add("properties=" + properties)
                  .toString();
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
             return true;
         }
         if (o == null || getClass() != o.getClass()) {
             return false;
         }
         MacroDefinition that = (MacroDefinition) o;
         return java.util.Objects.equals(macroType, that.macroType) && java.util.Objects.equals(
                 macroClass,
                 that.macroClass) && java.util.Objects.equals(properties, that.properties);
     }
 
     @Override
     public int hashCode() {
         return java.util.Objects.hash(macroType, macroClass, properties);
     }
 
 }