/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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 org.apache.myfaces.tobago.example.demo;
  
  import org.apache.myfaces.tobago.context.Markup;
  import org.apache.myfaces.tobago.model.SelectItem;
  import org.apache.myfaces.tobago.model.Selectable;
  import org.apache.myfaces.tobago.model.SheetState;
  import org.apache.myfaces.tobago.util.ComponentUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.annotation.PostConstruct;
  import javax.enterprise.context.SessionScoped;
  import javax.faces.component.UIComponent;
  import javax.faces.component.UIData;
  import javax.faces.context.FacesContext;
  import javax.faces.convert.DateTimeConverter;
  import javax.faces.event.FacesEvent;
  import javax.inject.Inject;
  import javax.inject.Named;
  import java.io.Serializable;
  import java.lang.invoke.MethodHandles;
  import java.util.ArrayList;
  import java.util.Calendar;
  import java.util.Date;
  import java.util.GregorianCalendar;
  import java.util.List;
  import java.util.stream.Collectors;
  
  // XXX former @ViewAccessScoped
  @SessionScoped
  @Named
  public class SheetController implements Serializable {
  
    private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
    private static final SelectItem[] SHEET_SELECTABLE;
  
    @Inject
    private AstroData astroData;
  
    static {
      final List<Selectable> collect = new ArrayList<>();
      for (final Selectable selectable : Selectable.values()) {
        if (selectable.isSupportedBySheet()) {
          collect.add(selectable);
        }
      }
      SHEET_SELECTABLE = new SelectItem[collect.size()];
      for (int i = 0; i < collect.size(); i++) {
        final Selectable selectable = collect.get(i);
        SHEET_SELECTABLE[i] = new SelectItem(selectable, selectable.name());
      }
    }
  
    private List<SolarObject> solarList;
    private List<SolarObject> hugeSolarList;
    private SheetState sheetState;
    private SolarObject selectedSolarObject;
    private boolean automaticLayout;
    private List<Markup> markup;
    private int columnEventSample;
    private Selectable selectable = Selectable.multi;
  
    @PostConstruct
    private void init() {
      solarList = astroData.findAll().collect(Collectors.toList());
  
      int j = 1;
      hugeSolarList = new ArrayList<>();
      while (true) {
        for (final SolarObject solarObject : solarList) {
          final SolarObject solarObjectClone = new SolarObject(solarObject);
          hugeSolarList.add(solarObjectClone);
          solarObjectClone.setName("#" + j++ + " " + solarObject.getName());
  
          if (j > 10000) {
            return;
          }
        }
      }
   }
 
   public List<SolarObject> getSolarList() {
     return solarList;
   }
 
   public List<SolarObject> getHugeSolarList() {
     return hugeSolarList;
   }
 
   public SheetState getSheetState() {
     return sheetState;
   }
 
   public void setSheetState(final SheetState sheetState) {
     this.sheetState = sheetState;
   }
 
   public void selectSolarObject(final FacesEvent actionEvent) {
     LOG.info("actionEvent=" + actionEvent);
     final UIData data = ComponentUtils.findAncestor(actionEvent.getComponent(), UIData.class);
     if (data != null) {
       selectedSolarObject = (SolarObject) data.getRowData();
       LOG.info("Selected: " + selectedSolarObject.getName());
     } else {
       selectedSolarObject = null;
       LOG.info("Deselect.");
     }
   }
 
   public SolarObject getSelectedSolarObject() {
     return selectedSolarObject;
   }
 
   public boolean isAutomaticLayout() {
     return automaticLayout;
   }
 
   public void setAutomaticLayout(final boolean automaticLayout) {
     this.automaticLayout = automaticLayout;
   }
 
   public List<Markup> getMarkup() {
     return markup;
   }
 
   public void setMarkup(final List<Markup> markup) {
     this.markup = markup;
   }
 
   public void setColumnEventSample(final int columnEventSample) {
     this.columnEventSample = columnEventSample;
   }
 
   public int getColumnEventSample() {
     return columnEventSample;
   }
 
   public javax.faces.convert.Converter getYearConverter() {
 
     final DateTimeConverter dateTimeConverter = new DateTimeConverter() {
 
       @Override
       public Object getAsObject(final FacesContext facesContext, final UIComponent uiComponent, final String value) {
         final Date date = (Date) super.getAsObject(facesContext, uiComponent, value);
         final Calendar calendar = GregorianCalendar.getInstance(facesContext.getViewRoot().getLocale());
         calendar.setTime(date);
         return calendar.get(Calendar.YEAR);
       }
 
       @Override
       public String getAsString(final FacesContext facesContext, final UIComponent uiComponent, final Object value) {
         final Calendar calendar = GregorianCalendar.getInstance(facesContext.getViewRoot().getLocale());
         calendar.set(Calendar.YEAR, (Integer) value);
         final Date date = calendar.getTime();
         return super.getAsString(facesContext, uiComponent, date);
       }
     };
 
     dateTimeConverter.setPattern("yyyy");
     return dateTimeConverter;
   }
 
   public Selectable getSelectable() {
     return selectable;
   }
 
   public void setSelectable(final Selectable selectable) {
     this.selectable = selectable;
   }
 
   public SelectItem[] getSelectableModes() {
    return SHEET_SELECTABLE;
   }
 }