/*
 * ====================================================================
 * Copyright (c) 2005-2012 sventon project. All rights reserved.
 *
 * This software is licensed as described in the file LICENSE, which
 * you should have received as part of this distribution. The terms
 * are also available at http://www.sventon.org.
 * If newer versions of this license are posted there, you may use a
 * newer version instead, at your option.
 * ====================================================================
 */
package org.sventon.web.ctrl.template;

import org.springframework.validation.BindException;
import org.springframework.web.bind.ServletRequestUtils;
import org.springframework.web.servlet.ModelAndView;
import org.sventon.SVNConnection;
import org.sventon.model.LogMessageSearchItem;
import org.sventon.util.LogMessageComparator;
import org.sventon.web.UserRepositoryContext;
import org.sventon.web.command.BaseCommand;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Controller used when searching for log messages.
 *
 * @author jesper@sventon.org
 */
public final class SearchLogsController extends AbstractTemplateController {

  public static final String SEARCH_STRING_PARAMETER = "searchString";

  public static final String START_DIR_PARAMETER = "startDir";

  @Override
  protected ModelAndView svnHandle(final SVNConnection connection, final BaseCommand command,
                                   final long headRevision, final UserRepositoryContext userRepositoryContext,
                                   final HttpServletRequest request, final HttpServletResponse response,
                                   final BindException exception) throws Exception {

    final String searchString = ServletRequestUtils.getRequiredStringParameter(request, SEARCH_STRING_PARAMETER);
    final String startDir = ServletRequestUtils.getRequiredStringParameter(request, START_DIR_PARAMETER);

    logger.debug("Searching logs for: " + searchString + " in path: " + startDir);

    final List<LogMessageSearchItem> logEntries;
    if (isRootDir(startDir)) {
      logEntries = getCache().find(command.getName(), searchString);
    } else {
      logEntries = getCache().find(command.getName(), searchString, startDir);
    }

    //TODO: Parse to apply Bugtraq links
    Collections.sort(logEntries, new LogMessageComparator(LogMessageComparator.DESCENDING));

    final Map<String, Object> model = new HashMap<String, Object>();
    model.put(SEARCH_STRING_PARAMETER, searchString);
    model.put(START_DIR_PARAMETER, startDir);
    model.put("logEntries", logEntries);
    model.put("isLogSearch", true);  // Indicates that path should be shown in browser view.
    return new ModelAndView(getViewName(), model);
  }

  private boolean isRootDir(String startDir) {
    return "/".equals(startDir);
  }

}