package Utils;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.IOException;

public class PostHelper {
    private  static final HttpClient httpClient = HttpClients.createDefault();
    private static final int TIMEOUT = 30000;
    public static <T> String post(String url, T data) throws IOException {
        HttpPost httpPost = new HttpPost(url);
        RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(TIMEOUT).setConnectTimeout(TIMEOUT).build();
        httpPost.setConfig(requestConfig);
        httpPost.setHeader("Accept", "application/json");
        httpPost.setHeader("Content-Type", "application/json");
        ObjectMapper objectMapper = new ObjectMapper();
        httpPost.setEntity(new StringEntity(objectMapper.writeValueAsString(data), "UTF-8"));
        HttpResponse response = httpClient.execute(httpPost);
        String result = null;
        int statusCode = response.getStatusLine().getStatusCode();
        if (200 == statusCode) {
            result = EntityUtils.toString(response.getEntity());
        }
        httpPost.abort();
        return result;
    }
}