/*
 * Copyright 2000-2014 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.vcs.mercurial;

import com.intellij.openapi.diagnostic.Logger;
import jetbrains.buildServer.buildTriggers.vcs.mercurial.command.HgVcsRoot;
import jetbrains.buildServer.serverSide.CachePaths;
import jetbrains.buildServer.serverSide.TeamCityProperties;
import jetbrains.buildServer.util.Dates;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.quartz.CronExpression;

import java.io.File;
import java.text.ParseException;

import static com.intellij.openapi.util.text.StringUtil.isEmpty;

/**
 * @author dmitry.neverov
 */
public class ServerPluginConfigImpl implements ServerPluginConfig {

  private static final Logger LOG = Logger.getInstance(ServerPluginConfigImpl.class.getName());
  private static final String PULL_TIMEOUT_SECONDS = "teamcity.hg.pull.timeout.seconds";
  public static final int DEFAULT_PULL_TIMEOUT_SECONDS = 3600;

  private final File myCachesDir;

  public ServerPluginConfigImpl(@NotNull final CachePaths paths) {
    myCachesDir = paths.getCacheDirectory("mercurial");
  }

  public boolean isUsePullProtocol() {
    return TeamCityProperties.getBooleanOrTrue("teamcity.hg.use.pull.protocol");
  }

  @Nullable
  public String getHgPath() {
    return TeamCityProperties.getPropertyOrNull("teamcity.hg.server.path");
  }

  @NotNull
  public File getCachesDir() {
    String customCachesDir = TeamCityProperties.getProperty(Constants.CUSTOM_CACHES_DIR);
    if (!isEmpty(customCachesDir))
      return new File(customCachesDir);
    return myCachesDir;
  }

  public boolean dontUseRevsets() {
    return TeamCityProperties.getBoolean("teamcity.hg.dont.use.revsets");
  }

  public int getPullTimeout() {
    int timeout = TeamCityProperties.getInteger(PULL_TIMEOUT_SECONDS, DEFAULT_PULL_TIMEOUT_SECONDS);
    return timeout > 0 ? timeout : DEFAULT_PULL_TIMEOUT_SECONDS;
  }

  public int getMaxDagNodesCount() {
    return TeamCityProperties.getInteger("teamcity.hg.maxDagNodesCount", 0);
  }

  public int getLogOutputLimit() {
    return TeamCityProperties.getInteger("teamcity.hg.logOutputLimitChars", 2048);
  }

  public boolean detectSubrepoChanges() {
    return TeamCityProperties.getBooleanOrTrue("teamcity.hg.detectSubrepoChanges");
  }

  public boolean bookmarksEnabled() {
    return TeamCityProperties.getBooleanOrTrue("teamcity.hg.enableBookmarks");
  }

  public boolean useTagsAsBranches() {
    return TeamCityProperties.getBooleanOrTrue("teamcity.hg.useTagsAsBranches");
  }

  public long getMirrorExpirationTimeoutMillis() {
    int days = TeamCityProperties.getInteger("teamcity.hg.mirrorExpirationTimeoutDays", 7);
    return days * Dates.ONE_DAY;
  }

  @Nullable
  public CronExpression getCleanupCronExpression() {
    String cron = TeamCityProperties.getProperty("teamcity.hg.cleanupCron", "0 0 2 * * ? *");
    if (isEmpty(cron))
      return null;
    try {
      return new CronExpression(cron);
    } catch (ParseException e) {
      LOG.warn("Wrong cron expression " + cron, e);
      return null;
    }
  }

  public boolean reportSubrepoChangesFileStatus() {
    return TeamCityProperties.getBoolean("teamcity.hg.reportSubrepoChangesFileStatus");
  }

  public boolean allowSourceCaching() {
    return TeamCityProperties.getBoolean("teamcity.hg.allowSourceCaching");
  }

  public int listFilesTTLSeconds() {
    return TeamCityProperties.getInteger("teamcity.hg.listFilesTTLSeconds", 60);
  }

  public String getMergeTool() {
    return TeamCityProperties.getProperty("teamcity.hg.mergeTool", "internal:merge");
  }

  public boolean runWithProfile(@NotNull HgVcsRoot root) {
    String urls = TeamCityProperties.getProperty("teamcity.hg.runCommandsWithProfile");
    return urls.contains(root.getRepository());
  }
}