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/*
 * Copyright (c) 2007 through 2024 David Berkman
 *
 * This file is part of the SmallMind Code Project.
 *
 * The SmallMind Code Project is free software, you can redistribute
 * it and/or modify it under either, at your discretion...
 *
 * 1) The terms of GNU Affero General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version.
 *
 * ...or...
 *
 * 2) The terms of the Apache License, Version 2.0.
 *
 * The SmallMind Code Project 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 or Apache License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * and the Apache License along with the SmallMind Code Project. If not, see
 *  or .
 *
 * Additional permission under the GNU Affero GPL version 3 section 7
 * ------------------------------------------------------------------
 * If you modify this Program, or any covered work, by linking or
 * combining it with other code, such other code is not for that reason
 * alone subject to any of the requirements of the GNU Affero GPL
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 */
package org.smallmind.mongodb.throng.mapping;

import java.lang.reflect.InvocationTargetException;
import org.bson.codecs.Codec;
import org.bson.codecs.configuration.CodecRegistry;
import org.smallmind.mongodb.throng.ThrongMappingException;
import org.smallmind.mongodb.throng.lifecycle.ThrongLifecycleRejection;
import org.smallmind.mongodb.throng.mapping.annotation.Embedded;
import org.smallmind.mongodb.throng.mapping.annotation.Polymorphic;

public class ThrongEmbeddedUtility {

  public static Codec generateEmbeddedCodec (Class embeddedType, Embedded embedded, CodecRegistry codecRegistry, EmbeddedReferences embeddedReferences, boolean storeNulls)
    throws ThrongMappingException, NoSuchMethodException, InstantiationException, IllegalAccessException, InvocationTargetException {

    Codec codec;

    if ((codec = embeddedReferences.get(embeddedType)) == null) {

      Polymorphic polymorphic;

      // check for misuse of lifecycle annotations
      ThrongLifecycleRejection.reject(embeddedType);

      if ((polymorphic = embedded.polymorphic()).value().length > 0) {
        embeddedReferences.put(embeddedType, codec = new ThrongPolymorphicEmbeddedCodec<>(new ThrongPropertiesMultiplexer<>(embeddedType, polymorphic, codecRegistry, embeddedReferences, storeNulls)));
      } else {
        embeddedReferences.put(embeddedType, codec = new ThrongEmbeddedCodec<>(new ThrongProperties<>(embeddedType, codecRegistry, embeddedReferences, storeNulls)));
      }
    }

    return codec;
  }
}