/*
 * Copyright (C) 2000 - 2022 Silverpeas
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * As a special exception to the terms and conditions of version 3.0 of
 * the GPL, you may redistribute this Program in connection with Free/Libre
 * Open Source Software ("FLOSS") applications as described in Silverpeas's
 * FLOSS exception.  You should have received a copy of the text describing
 * the FLOSS exception, and it is also available here:
 * "https://www.silverpeas.org/legal/floss_exception.html"
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.silverpeas.mobile.client.apps.formsonline.pages;

import com.google.gwt.core.client.GWT;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Widget;
import org.silverpeas.mobile.client.apps.favorites.pages.widgets.AddToFavoritesButton;
import org.silverpeas.mobile.client.apps.formsonline.events.pages.AbstractFormsOnlinePagesEvent;
import org.silverpeas.mobile.client.apps.formsonline.events.pages.FormLoadedEvent;
import org.silverpeas.mobile.client.apps.formsonline.events.pages.FormRequestStatusChangedEvent;
import org.silverpeas.mobile.client.apps.formsonline.events.pages.FormSavedEvent;
import org.silverpeas.mobile.client.apps.formsonline.events.pages.FormsOnlineLoadedEvent;
import org.silverpeas.mobile.client.apps.formsonline.events.pages.FormsOnlinePagesEventHandler;
import org.silverpeas.mobile.client.apps.formsonline.events.pages.FormsOnlineRequestValidatedEvent;
import org.silverpeas.mobile.client.apps.formsonline.pages.widgets.FormOnlineAsReceiverItem;
import org.silverpeas.mobile.client.apps.formsonline.resources.FormsOnlineMessages;
import org.silverpeas.mobile.client.common.EventBus;
import org.silverpeas.mobile.client.components.UnorderedList;
import org.silverpeas.mobile.client.components.base.PageContent;
import org.silverpeas.mobile.shared.dto.formsonline.FormDTO;

import java.util.List;

public class FormsOnlineAsReceiverPage extends PageContent implements FormsOnlinePagesEventHandler {

  private static FormsOnlineAsReceiverPageUiBinder uiBinder = GWT.create(FormsOnlineAsReceiverPageUiBinder.class);

  @UiField(provided = true) protected FormsOnlineMessages msg = null;

  @UiField
  UnorderedList forms;

  private AddToFavoritesButton favorite = new AddToFavoritesButton();
  private String instanceId;
  private List<FormDTO> data;

  @Override
  public void onFormsOnlineLoad(final FormsOnlineLoadedEvent event) {}

  @Override
  public void onFormLoaded(final FormLoadedEvent formLoadedEvent) {}

  @Override
  public void onFormSaved(final FormSavedEvent formSavedEvent) {}

  @Override
  public void onFormsOnlineRequestValidated(
      final FormsOnlineRequestValidatedEvent event) {
    for (FormDTO form : data) {
      if (form.getId().equals(event.getData().getFormId())) {
        form.setNbRequests(form.getNbRequests()-1);
        break;
      }
    }
    display(data);
  }

  @Override
  public void onFormRequestStatusChange(
      final FormRequestStatusChangedEvent formRequestStatusChangedEvent) {

  }

  interface FormsOnlineAsReceiverPageUiBinder extends UiBinder<Widget, FormsOnlineAsReceiverPage> {
  }

  public FormsOnlineAsReceiverPage() {
    msg = GWT.create(FormsOnlineMessages.class);
    setPageTitle(msg.title());
    initWidget(uiBinder.createAndBindUi(this));
    EventBus.getInstance().addHandler(AbstractFormsOnlinePagesEvent.TYPE, this);
  }

  @Override
  public void stop() {
    super.stop();
    EventBus.getInstance().removeHandler(AbstractFormsOnlinePagesEvent.TYPE, this);
  }

  public void setData(List<FormDTO> data) {
    this.data = data;
    display(data);
  }

  private void display(final List<FormDTO> data) {
    forms.clear();
    for (FormDTO form : data) {
      FormOnlineAsReceiverItem item = new FormOnlineAsReceiverItem();
      item.setData(form);
      forms.add(item);
    }
  }
}