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package de.adorsys.ledgers.rest.client;

import com.fasterxml.jackson.databind.ObjectMapper;
import feign.codec.Encoder;
import org.springframework.beans.factory.ObjectFactory;
import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.cloud.openfeign.FeignFormatterRegistrar;
import org.springframework.cloud.openfeign.support.SpringEncoder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.format.datetime.standard.DateTimeFormatterRegistrar;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;

/**
 * In this configuration, we clone the original object mapper and remove the
 * root value wrapping.
 *
 * @author fpo
 */
@Configuration
public class FeignConfig {

    @Bean
    public Encoder feignEncoder(ObjectMapper objectMapper) {
        HttpMessageConverter jacksonConverter = new MappingJackson2HttpMessageConverter(objectMapper);
        ObjectFactory objectFactory = () -> new HttpMessageConverters(jacksonConverter);
        return new SpringEncoder(objectFactory);
    }

    @Bean
    public FeignFormatterRegistrar localDateFeignFormatterRegistrar() {
        return formatterRegistry -> {
            DateTimeFormatterRegistrar registrar = new DateTimeFormatterRegistrar();
            registrar.setUseIsoFormat(true);
            registrar.registerFormatters(formatterRegistry);
        };
    }
}