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/*************************************************************
 Copyright 2018-2019 eBay Inc.
 Author/Developer: Jianwu Chen

 Use of this source code is governed by an MIT-style
 license that can be found in the LICENSE file or at
 https://opensource.org/licenses/MIT.
 ************************************************************/

package org.jsonex.jsoncoder;

import org.jsonex.core.factory.CacheThreadLocal;
import org.jsonex.core.factory.InjectableFactory;
import org.jsonex.treedoc.TDNode;
import lombok.Getter;
import lombok.RequiredArgsConstructor;

import java.lang.reflect.Type;
import java.text.SimpleDateFormat;
import java.util.HashMap;
import java.util.IdentityHashMap;
import java.util.LinkedList;
import java.util.Map;

import static org.jsonex.core.factory.InjectableFactory.of;

/**
 * Context object for BeanCoder, it will save session information during encoding and provide a
 * way to let client to customize the encode behavior.
 */
@RequiredArgsConstructor
public class BeanCoderContext {
  // For performance reason, we need to cache SimpleDateFormat in the same thread as SimpleDateFormat is not threadsafe
  public static final InjectableFactory dateFormatCache = of(SimpleDateFormat::new, CacheThreadLocal.get());
  private int nextId = 1;   // The next id for $ref
  @Getter final JSONCoderOption option;

  /**
   * Used only for encoding, remember encoded objects to be used to dedupWithreference
   * Key is the Object to be encoded or EqualsWrapper or the object, the value of this map is the converted result
   */
  @Getter final Map objToNodeMap = new IdentityHashMap<>();

  /**
   * Used only for decoding, remember decoded objects, key is the hash
   */
  @Getter final Map nodeToObjectMap = new HashMap<>();

  /**
   * The current path of the encoding or decoding, mainly used as Deque (Stack), use LinkedList here as we also need random access
   */
  @Getter final LinkedList