/*
    * Copyright (c) 2002-2014, Mairie de Paris
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    *  1. Redistributions of source code must retain the above copyright notice
   *     and the following disclaimer.
   *
   *  2. Redistributions in binary form must reproduce the above copyright notice
   *     and the following disclaimer in the documentation and/or other materials
   *     provided with the distribution.
   *
   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' 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 HOLDERS 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.
   *
   * License 1.0
   */
  package fr.paris.lutece.plugins.calendar.web;
  
  import fr.paris.lutece.plugins.calendar.business.Event;
  import fr.paris.lutece.plugins.calendar.business.MultiAgenda;
  import fr.paris.lutece.plugins.calendar.business.MultiAgendaEvent;
  import fr.paris.lutece.plugins.calendar.service.CalendarPlugin;
  import fr.paris.lutece.plugins.calendar.service.Utils;
  import fr.paris.lutece.plugins.calendar.service.search.CalendarSearchService;
  import fr.paris.lutece.portal.service.plugin.Plugin;
  import fr.paris.lutece.portal.service.plugin.PluginService;
  import fr.paris.lutece.portal.service.template.AppTemplateService;
  import fr.paris.lutece.portal.service.util.AppPropertiesService;
  import fr.paris.lutece.util.html.HtmlTemplate;
  
  import java.util.Calendar;
  import java.util.Date;
  import java.util.GregorianCalendar;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Locale;
  
  import javax.servlet.http.HttpServletRequest;
  
  
  /**
   * An implementation of an EvenList, listing all events of a month
   */
  public class WeekEventList implements EventList
  {
      private static final String TEMPLATE_WEEK_EVENT_LIST = "skin/plugins/calendar/calendar_eventlist_week.html";
      private static final String TEMPLATE_EVENT_WEEK_LIST_DAY = "skin/plugins/calendar/calendar_eventlist_week_day.html";
      private static final String TEMPLATE_WEEK_EVENT_LIST_EVENT = "skin/plugins/calendar/calendar_eventlist_week_event.html";
  
      /**
       * Build an event list corresponding to the date, the agenda and privileges
       * stored in the HTTP request
       * @return The HTML code of the event list formatted
       * @param locale The locale
       * @param strWeekDate The date of the event list
       * @param agenda The multi agenda object
       * @param request HttpServletRequest
       */
      public String getEventList( String strWeekDate, MultiAgenda agenda, Locale locale, HttpServletRequest request )
      {
          HashMap<String, Object> model = new HashMap<String, Object>( );
          int nYear = Utils.getYear( strWeekDate );
          int nMonth = Utils.getMonth( strWeekDate );
          int nDay = Utils.getDay( strWeekDate );
  
          Calendar calendar = new GregorianCalendar( );
          calendar.set( nYear, nMonth, nDay );
  
          StringBuffer sbDays = new StringBuffer( );
  
          // Go backward to the Monday day
          while ( calendar.get( Calendar.DAY_OF_WEEK ) != Calendar.MONDAY )
          {
              calendar.add( Calendar.DATE, -1 );
          }
  
          // Search events for the 7 next days
          for ( int i = 0; i < 7; i++ )
          {
              String strDate = Utils.getDate( calendar );
  
              if ( agenda.hasEvents( strDate ) )
             {
                 sbDays.append( getDay( strDate, agenda, locale, request ) );
             }
 
             calendar.add( Calendar.DATE, 1 );
         }
 
         model.put( Constants.MARK_DAYS, sbDays.toString( ) );
 
         HtmlTemplate template = AppTemplateService.getTemplate( TEMPLATE_WEEK_EVENT_LIST, locale, model );
 
         return template.getHtml( );
     }
 
     /**
      * Build the day
      * @return The day formatted
      * @param locale The locale
      * @param strDate The date of the Day
      * @param agenda The agenda that contains events
      * @param request HttpServletRequest
      */
     private String getDay( String strDate, MultiAgenda agenda, Locale locale, HttpServletRequest request )
     {
         StringBuffer sbEvents = new StringBuffer( );
         Date date = Utils.getDate( strDate );
         Plugin plugin = PluginService.getPlugin( CalendarPlugin.PLUGIN_NAME );
         List<Event> listIndexedEvents = CalendarSearchService.getInstance( ).getSearchResults( agenda.getAgendaIds( ),
                 null, Constants.EMPTY_STRING, date, date, plugin );
         boolean bHasIndexedEvent = Boolean.FALSE;
 
         for ( Event event : listIndexedEvents )
         {
             MultiAgendaEvent multiAgendaEvent = new MultiAgendaEvent( event, String.valueOf( event.getIdCalendar( ) ) );
             HashMap<String, Object> eventModel = new HashMap<String, Object>( );
             HtmlUtils.fillEventTemplate( eventModel, multiAgendaEvent, strDate );
 
             HtmlTemplate tEvent = AppTemplateService.getTemplate( TEMPLATE_WEEK_EVENT_LIST_EVENT, locale, eventModel );
             sbEvents.append( tEvent.getHtml( ) );
             bHasIndexedEvent = Boolean.TRUE;
         }
 
         HashMap<String, Object> dayModel = new HashMap<String, Object>( );
 
         if ( bHasIndexedEvent )
         {
             dayModel.put( Constants.MARK_DAY, Utils.getDayLabel( strDate, locale ) );
             dayModel.put( Constants.MARK_EVENTS, sbEvents.toString( ) );
             dayModel.put( Constants.MARK_DATE, strDate );
             dayModel.put( Constants.MARK_JSP_URL, AppPropertiesService.getProperty( Constants.PROPERTY_RUNAPP_JSP_URL ) );
             HtmlTemplate tDay = AppTemplateService.getTemplate( TEMPLATE_EVENT_WEEK_LIST_DAY, locale, dayModel );
 
             return tDay.getHtml( );
         }
 
         return Constants.EMPTY_STRING;
     }
 }