// Copyright (C) 2013 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.gerrit.acceptance.api.change;

import static org.junit.Assert.assertEquals;

import com.google.gerrit.acceptance.AbstractDaemonTest;
import com.google.gerrit.acceptance.NoHttpd;
import com.google.gerrit.acceptance.PushOneCommit;
import com.google.gerrit.extensions.api.changes.AddReviewerInput;
import com.google.gerrit.extensions.api.changes.ReviewInput;
import com.google.gerrit.extensions.common.ChangeInfo;
import com.google.gerrit.extensions.common.ChangeStatus;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.extensions.restapi.RestApiException;

import org.eclipse.jgit.api.errors.GitAPIException;
import org.junit.Test;

import java.io.IOException;

@NoHttpd
public class ChangeIT extends AbstractDaemonTest {

  @Test
  public void get() throws GitAPIException,
      IOException, RestApiException {
    PushOneCommit.Result r = createChange();
    String triplet = "p~master~" + r.getChangeId();
    ChangeInfo c = info(triplet);
    assertEquals(triplet, c.id);
    assertEquals("p", c.project);
    assertEquals("master", c.branch);
    assertEquals(ChangeStatus.NEW, c.status);
    assertEquals("test commit", c.subject);
    assertEquals(true, c.mergeable);
    assertEquals(r.getChangeId(), c.changeId);
    assertEquals(c.created, c.updated);
  }

  @Test
  public void abandon() throws GitAPIException,
      IOException, RestApiException {
    PushOneCommit.Result r = createChange();
    gApi.changes()
        .id("p~master~" + r.getChangeId())
        .abandon();
  }

  @Test
  public void restore() throws GitAPIException,
      IOException, RestApiException {
    PushOneCommit.Result r = createChange();
    gApi.changes()
        .id("p~master~" + r.getChangeId())
        .abandon();
    gApi.changes()
        .id("p~master~" + r.getChangeId())
        .restore();
  }

  @Test
  public void revert() throws GitAPIException,
      IOException, RestApiException {
    PushOneCommit.Result r = createChange();
    gApi.changes()
        .id("p~master~" + r.getChangeId())
        .revision(r.getCommit().name())
        .review(ReviewInput.approve());
    gApi.changes()
        .id("p~master~" + r.getChangeId())
        .revision(r.getCommit().name())
        .submit();
    gApi.changes()
        .id("p~master~" + r.getChangeId())
        .revert();
  }

  // Change is already up to date
  @Test(expected = ResourceConflictException.class)
  public void rebase() throws GitAPIException,
      IOException, RestApiException {
    PushOneCommit.Result r = createChange();
    gApi.changes()
        .id("p~master~" + r.getChangeId())
        .revision(r.getCommit().name())
        .rebase();
  }

  @Test
  public void addReviewer() throws GitAPIException,
      IOException, RestApiException {
    PushOneCommit.Result r = createChange();
    AddReviewerInput in = new AddReviewerInput();
    in.reviewer = user.email;
    gApi.changes()
        .id("p~master~" + r.getChangeId())
        .addReviewer(in);
  }
}