/*
 * Copyright (C) 2009, Yann Simon <yann.simon.fr@gmail.com>
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * - Neither the name of the Git Development Community nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package com.google.gerrit.testutil;

import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.FileBasedConfig;
import org.eclipse.jgit.util.SystemReader;

import java.util.HashMap;
import java.util.Map;
import java.util.TimeZone;

class MockSystemReader extends SystemReader {
  final Map<String, String> values = new HashMap<String, String>();

  FileBasedConfig userGitConfig;

  MockSystemReader() {
    init(Constants.OS_USER_NAME_KEY);
    init(Constants.GIT_AUTHOR_NAME_KEY);
    init(Constants.GIT_AUTHOR_EMAIL_KEY);
    init(Constants.GIT_COMMITTER_NAME_KEY);
    init(Constants.GIT_COMMITTER_EMAIL_KEY);
    userGitConfig = new FileBasedConfig(null);
  }

  private void init(final String n) {
    values.put(n, n);
  }

  @Override
  public String getenv(String variable) {
    return values.get(variable);
  }

  @Override
  public String getProperty(String key) {
    return values.get(key);
  }

  @Override
  public FileBasedConfig openUserConfig() {
    return userGitConfig;
  }

  @Override
  public String getHostname() {
    return "fake.host.example.com";
  }

  @Override
  public long getCurrentTime() {
    return 1250379778668L; // Sat Aug 15 20:12:58 GMT-03:30 2009
  }

  @Override
  public int getTimezone(long when) {
    return TimeZone.getTimeZone("GMT-03:30").getOffset(when) / (60 * 1000);
  }
}