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package com.algolia.search;

import static com.fasterxml.jackson.core.JsonGenerator.Feature;

import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;

/** Class holding shared objects between all clients. */
public class Defaults {

  public Defaults() {}

  /** Singleton holding the Object Mapper instance for all the clients. */
  private static class Holder {
    // Jackson Configuration
    private static final ObjectMapper DEFAULT_OBJECT_MAPPER =
        new ObjectMapper()
            .registerModule(new JavaTimeModule()) // Registering JavaTimeModule to handle JDK8 dates
            .enable(Feature.AUTO_CLOSE_JSON_CONTENT)
            .enable(
                DeserializationFeature
                    .ACCEPT_SINGLE_VALUE_AS_ARRAY) // Allow Jackson to deserialize List/Array with
            // one
            // element
            .disable(
                SerializationFeature
                    .WRITE_DATES_AS_TIMESTAMPS) // Disabling it to handle date serialization in
            // POJOS
            .disable(
                SerializationFeature
                    .WRITE_DATE_TIMESTAMPS_AS_NANOSECONDS) // Nano seconds not supported by the
            // engine
            .disable(
                DeserializationFeature
                    .READ_DATE_TIMESTAMPS_AS_NANOSECONDS) // Nano seconds not supported by the
            // engine
            .disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
  }

  /** Instance of the ObjectMapper shared between all clients. */
  public static ObjectMapper getObjectMapper() {
    return Holder.DEFAULT_OBJECT_MAPPER;
  }

  public static final String CONTENT_ENCODING_GZIP = "gzip";
  public static final String CONTENT_ENCODING_DEFLATE = "deflate";
  static final long MAX_TIME_MS_TO_WAIT = 10000L;
  static final int READ_TIMEOUT_MS = 5 * 1000; // 5 seconds
  static final int WRITE_TIMEOUT_MS = 30 * 1000; // 30 seconds
  static final int CONNECT_TIMEOUT_MS = 2 * 1000; // 2 seconds
  static final String APPLICATION_JSON = "application/json";
  static final String ACCEPT_HEADER = "Accept";
  static final String ACCEPT_ENCODING_HEADER = "Accept-Encoding";
  static final String ALGOLIA_APPLICATION_HEADER = "X-Algolia-Application-Id";
  static final String ALGOLIA_KEY_HEADER = "X-Algolia-API-Key";
  static final String ALGOLIA_USER_ID_HEADER = "X-Algolia-USER-ID";
  static final String USER_AGENT_HEADER = "User-Agent";
  static final String CONTENT_TYPE_HEADER = "Content-Type";
  static final String CONTENT_ENCODING_HEADER = "Content-Encoding";
}