/*
 * Copyright 2000-2013 JetBrains s.r.o.
 *
 * 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 jetbrains.buildServer.buildTriggers.url;

import com.intellij.openapi.diagnostic.Logger;
import jetbrains.buildServer.buildTriggers.BuildTriggerDescriptor;
import jetbrains.buildServer.buildTriggers.BuildTriggerService;
import jetbrains.buildServer.buildTriggers.BuildTriggeringPolicy;
import jetbrains.buildServer.buildTriggers.async.AsyncPolledBuildTriggerFactory;
import jetbrains.buildServer.serverSide.InvalidProperty;
import jetbrains.buildServer.serverSide.PropertiesProcessor;
import jetbrains.buildServer.util.StringUtil;
import jetbrains.buildServer.web.openapi.PluginDescriptor;
import org.jetbrains.annotations.NotNull;

import java.util.ArrayList;

import static jetbrains.buildServer.buildTriggers.url.UrlBuildTriggerUtil.DISPLAY_NAME;
import static jetbrains.buildServer.buildTriggers.url.UrlBuildTriggerUtil.URL_PARAM;

/**
 * User: vbedrosova
 * Date: 06.12.10
 * Time: 13:19
 */
public final class UrlBuildTrigger extends BuildTriggerService {
  @NotNull
  private static final Logger LOG = LoggerFactory.getLogger(UrlBuildTrigger.class);

  @NotNull
  private final PluginDescriptor myPluginDescriptor;
  @NotNull
  private final BuildTriggeringPolicy myPolicy;

  public UrlBuildTrigger(
    @NotNull final PluginDescriptor pluginDescriptor,
    @NotNull final AsyncPolledBuildTriggerFactory triggerFactory,
    @NotNull final ResourceHashProviderFactory resourceHashProviderFactory) {
    myPluginDescriptor = pluginDescriptor;
    myPolicy = triggerFactory.createBuildTrigger(new UrlAsyncBuildTrigger(resourceHashProviderFactory), LOG);
  }

  @NotNull
  @Override
  public String getName() {
    return "urlBuildTrigger";
  }

  @NotNull
  @Override
  public String getDisplayName() {
    return DISPLAY_NAME;
  }

  @NotNull
  @Override
  public String describeTrigger(@NotNull BuildTriggerDescriptor buildTriggerDescriptor) {
    return "Wait for a change at " + buildTriggerDescriptor.getProperties().get(URL_PARAM) + " URL";
  }

  @NotNull
  @Override
  public BuildTriggeringPolicy getBuildTriggeringPolicy() {
    return myPolicy;
  }

  @Override
  public PropertiesProcessor getTriggerPropertiesProcessor() {
    return properties -> {
      final ArrayList<InvalidProperty> invalidProps = new ArrayList<>();
      final String url = properties.get(URL_PARAM);
      if (StringUtil.isEmptyOrSpaces(url)) {
        invalidProps.add(new InvalidProperty(URL_PARAM, "URL must be specified"));
      }
      final String err = ResourceHashProviderFactory.checkUrl(url);
      if (StringUtil.isNotEmpty(err)) {
        invalidProps.add(new InvalidProperty(URL_PARAM, err));
      }
      return invalidProps;
    };
  }

  @Override
  public String getEditParametersUrl() {
    return myPluginDescriptor.getPluginResourcesPath("editUrlBuildTrigger.jsp");
  }

  @Override
  public boolean isMultipleTriggersPerBuildTypeAllowed() {
    return true;
  }
}