package me.chanjar.weixin.common.util.http.apache;

import java.io.IOException;

import org.apache.http.HttpHost;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;

import me.chanjar.weixin.common.error.WxError;
import me.chanjar.weixin.common.error.WxErrorException;
import me.chanjar.weixin.common.util.http.RequestHttp;
import me.chanjar.weixin.common.util.http.SimpleGetRequestExecutor;

/**
 * Created by ecoolper on 2017/5/4.
 */
public class ApacheHttpClientSimpleGetRequestExecutor extends SimpleGetRequestExecutor<CloseableHttpClient, HttpHost> {

  public ApacheHttpClientSimpleGetRequestExecutor(RequestHttp requestHttp) {
    super(requestHttp);
  }

  @Override
  public String execute(String uri, String queryParam) throws WxErrorException, IOException {
    if (queryParam != null) {
      if (uri.indexOf('?') == -1) {
        uri += '?';
      }
      uri += uri.endsWith("?") ? queryParam : '&' + queryParam;
    }
    HttpGet httpGet = new HttpGet(uri);
    if (requestHttp.getRequestHttpProxy() != null) {
      RequestConfig config = RequestConfig.custom().setProxy(requestHttp.getRequestHttpProxy()).build();
      httpGet.setConfig(config);
    }

    try (CloseableHttpResponse response = requestHttp.getRequestHttpClient().execute(httpGet)) {
      String responseContent = Utf8ResponseHandler.INSTANCE.handleResponse(response);
      WxError error = WxError.fromJson(responseContent);
      if (error.getErrorCode() != 0) {
        throw new WxErrorException(error);
      }
      return responseContent;
    } finally {
      httpGet.releaseConnection();
    }
  }

}
