/*
    * Copyright 2014 James Pether Sörling
    *
    * 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.
   *
   *	$Id$
   *  $HeadURL$
   */
  package com.hack23.cia.web.impl.ui.application.views.common.chartfactory.impl;
  
  import java.text.SimpleDateFormat;
  import java.util.List;
  import java.util.Locale;
  import java.util.Map;
  import java.util.Map.Entry;
  import java.util.Objects;
  import java.util.stream.Collectors;
  
  import org.apache.commons.lang.StringUtils;
  import org.dussan.vaadin.dcharts.DCharts;
  import org.dussan.vaadin.dcharts.base.elements.XYseries;
  import org.dussan.vaadin.dcharts.data.DataSeries;
  import org.dussan.vaadin.dcharts.options.Series;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Service;
  
  import com.hack23.cia.model.internal.application.data.document.impl.RiksdagenDocumentPersonSummaryEmbeddedId;
  import com.hack23.cia.model.internal.application.data.document.impl.ViewRiksdagenPoliticianDocumentDailySummary;
  import com.hack23.cia.service.api.ApplicationManager;
  import com.hack23.cia.service.api.DataContainer;
  import com.hack23.cia.web.impl.ui.application.views.common.chartfactory.api.ChartOptions;
  import com.hack23.cia.web.impl.ui.application.views.common.chartfactory.api.PersonDocumentChartDataManager;
  import com.vaadin.ui.AbstractOrderedLayout;
  
  /**
   * The Class PersonDocumentChartDataManagerImpl.
   */
  @Service
  public final class PersonDocumentChartDataManagerImpl extends AbstractChartDataManagerImpl implements PersonDocumentChartDataManager {
  
  	private static final String DOCUMENT_HISTORY = "Document history";
  
  	/** The Constant NO_INFO. */
  	private static final String NO_INFO = "NoInfo";
  
  	/** The Constant LOG_MSG_MISSING_DATA_FOR_KEY. */
  	private static final String LOG_MSG_MISSING_DATA_FOR_KEY = "missing data for key:{}";
  
  	/** The Constant EMPTY_STRING. */
  	private static final String EMPTY_STRING = "";
  
  	/** The Constant UNDER_SCORE. */
  	private static final String UNDER_SCORE = "_";
  
  	/** The Constant LOGGER. */
  	private static final Logger LOGGER = LoggerFactory.getLogger(PersonDocumentChartDataManagerImpl.class);
  
  	/** The Constant DD_MMM_YYYY. */
  	private static final String DD_MMM_YYYY = "dd-MMM-yyyy";
  
  	/** The application manager. */
  	@Autowired
  	private ApplicationManager applicationManager;
  
  	/** The chart options. */
  	@Autowired
  	private ChartOptions chartOptions;
  
  
  	/**
  	 * Instantiates a new person document chart data manager impl.
  	 */
  	public PersonDocumentChartDataManagerImpl() {
  		super();
  	}
  
  
  	/**
  	 * Gets the view riksdagen politician document daily summary map.
  	 *
  	 * @return the view riksdagen politician document daily summary map
  	 */
  	private Map<String, List<ViewRiksdagenPoliticianDocumentDailySummary>> getViewRiksdagenPoliticianDocumentDailySummaryMap() {
  		final DataContainer<ViewRiksdagenPoliticianDocumentDailySummary, RiksdagenDocumentPersonSummaryEmbeddedId> politicianBallotSummaryDailyDataContainer = applicationManager
  				.getDataContainer(ViewRiksdagenPoliticianDocumentDailySummary.class);
  
  		return politicianBallotSummaryDailyDataContainer.getAll().parallelStream().filter(Objects::nonNull)
 				.collect(Collectors.groupingBy(t -> t.getEmbeddedId().getPersonId()));
 	}
 
 
 
 	@Override
 	public void createPersonDocumentHistoryChart(final AbstractOrderedLayout content,final String personId) {
 
 		final SimpleDateFormat simpleDateFormat = new SimpleDateFormat(DD_MMM_YYYY, Locale.ENGLISH);
 
 		final DataSeries dataSeries = new DataSeries();
 
 		final Series series = new Series();
 
 		final Map<String, List<ViewRiksdagenPoliticianDocumentDailySummary>> allMap = getViewRiksdagenPoliticianDocumentDailySummaryMap();
 
 		final List<ViewRiksdagenPoliticianDocumentDailySummary> itemList = allMap
 				.get(personId.toUpperCase(Locale.ENGLISH).replace(UNDER_SCORE, EMPTY_STRING).trim());
 
 		if (itemList != null) {
 
 			final Map<String, List<ViewRiksdagenPoliticianDocumentDailySummary>> map = itemList.parallelStream()
 					.filter(Objects::nonNull).collect(Collectors.groupingBy(
 							t -> StringUtils.defaultIfBlank(t.getEmbeddedId().getDocumentType(), NO_INFO)));
 
 			addDocumentHistoryByPersonData(simpleDateFormat, dataSeries, series, map);
 		}
 
 		addChart(content,DOCUMENT_HISTORY, new DCharts().setDataSeries(dataSeries).setOptions(chartOptions.createOptionsXYDateFloatLegendOutside(series)).show());
 	}
 
 
 	/**
 	 * Adds the document history by person data.
 	 *
 	 * @param simpleDateFormat
 	 *            the simple date format
 	 * @param dataSeries
 	 *            the data series
 	 * @param series
 	 *            the series
 	 * @param map
 	 *            the map
 	 */
 	private static void addDocumentHistoryByPersonData(final SimpleDateFormat simpleDateFormat, final DataSeries dataSeries,
 			final Series series, final Map<String, List<ViewRiksdagenPoliticianDocumentDailySummary>> map) {
 		for (final Entry<String, List<ViewRiksdagenPoliticianDocumentDailySummary>> entry : map.entrySet()) {
 
 			series.addSeries(new XYseries().setLabel(entry.getKey()));
 
 			dataSeries.newSeries();
 			if (entry.getValue() != null) {
 				for (final ViewRiksdagenPoliticianDocumentDailySummary item : entry.getValue()) {
 					if (item != null) {
 						dataSeries.add(simpleDateFormat.format(item.getEmbeddedId().getPublicDate()),
 								item.getTotal());
 					}
 				}
 			} else {
 				LOGGER.info(LOG_MSG_MISSING_DATA_FOR_KEY, entry);
 			}
 
 		}
 	}
 
 }