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package io.camunda.common.json;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import io.camunda.common.exception.SdkException;
import java.io.IOException;
import java.util.Map;

public class SdkObjectMapper implements JsonMapper {

  private static final TypeReference> MAP_TYPE_REFERENCE =
      new TypeReference>() {};

  private static final TypeReference> STRING_MAP_TYPE_REFERENCE =
      new TypeReference>() {};

  private final ObjectMapper objectMapper;

  public SdkObjectMapper() {
    this(new ObjectMapper());
  }

  public SdkObjectMapper(ObjectMapper objectMapper) {
    this.objectMapper = objectMapper;
    this.objectMapper
        .configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false)
        .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
        .setSerializationInclusion(JsonInclude.Include.NON_NULL);
  }

  @Override
  public  T fromJson(String json, Class typeClass) {
    try {
      return objectMapper.readValue(json, typeClass);
    } catch (final IOException e) {
      throw new SdkException(
          String.format("Failed to deserialize json '%s' to class '%s'", json, typeClass), e);
    }
  }

  @Override
  public  T fromJson(String json, Class resultType, Class parameterType) {
    try {
      JavaType javaType =
          objectMapper.getTypeFactory().constructParametricType(resultType, parameterType);
      return objectMapper.readValue(json, javaType);
    } catch (final IOException e) {
      throw new SdkException(
          String.format(
              "Failed to deserialize json '%s' to class '%s' with parameter '%s",
              json, resultType, parameterType),
          e);
    }
  }

  @Override
  public Map fromJsonAsMap(String json) {
    try {
      return objectMapper.readValue(json, MAP_TYPE_REFERENCE);
    } catch (final IOException e) {
      throw new SdkException(
          String.format("Failed to deserialize json '%s' to 'Map'", json), e);
    }
  }

  @Override
  public Map fromJsonAsStringMap(String json) {
    try {
      return objectMapper.readValue(json, STRING_MAP_TYPE_REFERENCE);
    } catch (final IOException e) {
      throw new SdkException(
          String.format("Failed to deserialize json '%s' to 'Map'", json), e);
    }
  }

  @Override
  public String toJson(Object value) {
    try {
      return objectMapper.writeValueAsString(value);
    } catch (final JsonProcessingException e) {
      throw new SdkException(String.format("Failed to serialize object '%s' to json", value), e);
    }
  }
}