import com.google.common.truth.Truth;
import com.google.gerrit.extensions.common.AccountInfo;
import com.google.gerrit.extensions.common.ChangeInfo;
import com.google.gerrit.extensions.common.RevisionInfo;
import com.google.gson.Gson;
import com.urswolfer.gerrit.client.rest.http.HttpStatusException;
import org.testng.SkipException;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

import java.io.File;
import java.io.FileReader;
import java.net.URL;
import java.util.List;

public class OnapServerTest {

 public void run(String url, String user, String password) throws Exception {
 System.out.println(String.format("Testing against '%s'", url));
 GerritRestApiFactory gerritRestApiFactory = new GerritRestApiFactory();
 GerritAuthData.Basic authData;
 if (user != null) {
 authData = new GerritAuthData.Basic(url, user, password);
 } else {
 authData = new GerritAuthData.Basic(url);
 }
 GerritRestApi gerritApi = gerritRestApiFactory.create(authData);

 System.out.println(String.format("Gerrit version: %s", gerritApi.config().server().getVersion()));

 List<ChangeInfo> changeInfoList = gerritApi.changes().query("project:so+status:open").withLimit(1).get();
 
 //by Yang
 ChangeInfo change = changeInfoList.get(0);
 System.out.println("change set:");
 System.out.println(String.format(" id: %s", change.id)); 
 System.out.println(String.format(" project: %s", change.project)); 
 System.out.println(String.format(" branch: %s", change.branch)); 
 System.out.println(String.format(" topic: %s", change.topic)); 
 System.out.println(String.format(" changeId: %s", change.changeId)); 
 System.out.println(String.format(" subject: %s", change.subject)); 
 System.out.println(" created: " + change.created);
 System.out.println(" updated: " + change.updated);
 System.out.println(" submitted: " + change.submitted);
 System.out.println(" submitter: " + change.submitter);
 System.out.println(" revisions: " + change.revisions);
 Truth.assertThat(changeInfoList.size()).isLessThan(2);

 if (authData.isLoginAndPasswordAvailable()) {
 if (!changeInfoList.isEmpty()) {
 String id = changeInfoList.get(0).id;
 try {
 gerritApi.accounts().self().starChange(id);
 gerritApi.accounts().self().unstarChange(id);
 } catch (HttpStatusException exception) {
 System.out.println("Failed starring changes. Probably too old Gerrit version (<2.8)?");
 exception.printStackTrace();
 }
 }

 AccountInfo accountInfo = gerritApi.accounts().self().get();
 System.out.println(String.format("Username: '%s', name: '%s'", accountInfo.username, accountInfo.name));
 }
 }

 @Test
 public void test1() {
 OnapServerTest test = new OnapServerTest();
 try {
 test.run("https://gerrit.onap.org/r/", "username", "password");
 }
 catch(Throwable t) {
 t.printStackTrace();
 }
 }
}