/*
 * Copyright (c) 2015 Spotify AB.
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.spotify.helios.rollingupdate;

import com.google.common.collect.Maps;

import com.spotify.helios.common.descriptors.DeploymentGroup;
import com.spotify.helios.common.descriptors.RolloutTask;

import java.util.Collections;
import java.util.Map;

public class DeploymentGroupEventFactory {

  public enum RollingUpdateReason {
    MANUAL,
    HOSTS_CHANGED
  }

  private Map<String, Object> createEvent(final String eventType,
                                          final DeploymentGroup deploymentGroup) {
    final Map<String, Object> ev = Maps.newHashMap();
    ev.put("eventType", eventType);
    ev.put("timestamp", System.currentTimeMillis());
    ev.put("deploymentGroup", deploymentGroup);
    return ev;
  }

  private Map<String, Object> addTaskFields(final Map<String, Object> ev,
                                            final RolloutTask task) {
    ev.put("action", task.getAction());
    ev.put("target", task.getTarget());
    return ev;
  }

  public Map<String, Object> rollingUpdateTaskFailed(final DeploymentGroup deploymentGroup,
                                                     final RolloutTask task,
                                                     final String error,
                                                     final RollingUpdateError errorCode) {
    return rollingUpdateTaskFailed(deploymentGroup, task, error, errorCode,
                                   Collections.<String, Object>emptyMap());
  }

  public Map<String, Object> rollingUpdateTaskFailed(final DeploymentGroup deploymentGroup,
                                                     final RolloutTask task,
                                                     final String error,
                                                     final RollingUpdateError errorCode,
                                                     final Map<String, Object> metadata) {
    final Map<String, Object> ev = createEvent("rollingUpdateTaskResult", deploymentGroup);
    ev.putAll(metadata);
    ev.put("success", 0);
    ev.put("error", error);
    ev.put("errorCode", errorCode);
    return addTaskFields(ev, task);
  }

  public Map<String, Object> rollingUpdateTaskSucceeded(final DeploymentGroup deploymentGroup,
                                                        final RolloutTask task) {
    final Map<String, Object> ev = createEvent("rollingUpdateTaskResult", deploymentGroup);
    ev.put("success", 1);
    return addTaskFields(ev, task);
  }

  public Map<String, Object> rollingUpdateStarted(final DeploymentGroup deploymentGroup,
                                                  final RollingUpdateReason reason) {
    final Map<String, Object> ev = createEvent("rollingUpdateStarted", deploymentGroup);
    ev.put("reason", reason);
    return ev;
  }

  public Map<String, Object> rollingUpdateDone(final DeploymentGroup deploymentGroup) {
    final Map<String, Object> ev = createEvent("rollingUpdateFinished", deploymentGroup);
    ev.put("success", 1);
    return ev;
  }

  public Map<String, Object> rollingUpdateFailed(final DeploymentGroup deploymentGroup,
                                                 final Map<String, Object> failEvent) {
    final Map<String, Object> ev = createEvent("rollingUpdateFinished", deploymentGroup);
    ev.put("success", 0);
    ev.put("failEvent", failEvent);
    return ev;
  }
}

@@ -4157,21 +4157,22 @@
 ut(%22fail
-Event
+edTask
 %22, failE

Rename failEvent -> failedTask