/*
 *
 * Copyright (C) 2007-2015 Licensed to the Comunes Association (CA) under
 * one or more contributor license agreements (see COPYRIGHT for details).
 * The CA licenses this file to you under the GNU Affero General Public
 * License version 3, (the "License"); you may not use this file except in
 * compliance with the License. This file is part of kune.
 *
 * 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.
 *
 * 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 cc.kune.core.client.sitebar;

import java.util.Date;

import cc.kune.common.client.msgs.resources.UserMessageImagesUtil;
import cc.kune.common.client.notify.NotifyLevel;
import cc.kune.common.client.notify.UserNotifyEvent;
import cc.kune.common.client.ui.IconLabel;
import cc.kune.common.client.ui.dialogs.BasicTopDialog;
import cc.kune.common.shared.i18n.I18nTranslationService;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.web.bindery.event.shared.EventBus;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.InlineLabel;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.inject.Inject;

// TODO: Auto-generated Javadoc
/**
 * The Class ErrorsDialog.
 * 
 * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado)
 */
public class ErrorsDialog {

  /**
   * The Interface Binder.
   * 
   * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado)
   */
  interface Binder extends UiBinder<Widget, ErrorsDialog> {
  }

  /** The Constant BINDER. */
  private static final Binder BINDER = GWT.create(Binder.class);

  /** The Constant ERROR_LOGGER_BUTTON_ID. */
  public static final String ERROR_LOGGER_BUTTON_ID = "kune-error-button-diag";

  /** The Constant ERROR_LOGGER_ID. */
  public static final String ERROR_LOGGER_ID = "kune-error-diag";

  /** The dialog. */
  private BasicTopDialog dialog;

  /** The i18n. */
  private final I18nTranslationService i18n;

  /** The panel. */
  @UiField
  FlowPanel panel;

  /** The scroll. */
  @UiField
  ScrollPanel scroll;

  /**
   * Instantiates a new errors dialog.
   * 
   * @param i18n
   *          the i18n
   * @param eventBus
   *          the event bus
   */
  @Inject
  public ErrorsDialog(final I18nTranslationService i18n, final EventBus eventBus) {
    this.i18n = i18n;

    eventBus.addHandler(UserNotifyEvent.getType(), new UserNotifyEvent.UserNotifyHandler() {
      @Override
      public void onUserNotify(final UserNotifyEvent event) {
        createDialogLazy();
        final NotifyLevel level = event.getLevel();
        final IconLabel iconMessage = new IconLabel();
        iconMessage.setRightIconResource(UserMessageImagesUtil.getIcon(level));
        iconMessage.setText(new Date() + " - " + event.getMessage(), i18n.getDirection());
        iconMessage.setWordWrap(true);
        iconMessage.addTextStyleName("k-errordiag-text-msg");
        iconMessage.addStyleName("k-errordiag-msg");
        panel.insert(iconMessage, 0);
      }
    });
  }

  /**
   * Creates the dialog lazy.
   */
  private void createDialogLazy() {
    if (dialog == null) {
      dialog = new BasicTopDialog.Builder(ERROR_LOGGER_ID, true, true, i18n.getDirection()).title(
          i18n.t("Errors info")).autoscroll(true).firstButtonTitle(i18n.t("Ok")).firstButtonId(
          ERROR_LOGGER_BUTTON_ID).tabIndexStart(1).width("400px").height("400px").build();
      dialog.getTitleText().setText(i18n.t("Info about errors"), i18n.getDirection());
      final InlineLabel subTitle = new InlineLabel(
          i18n.t("Please copy/paste this info to report problems"));
      dialog.getInnerPanel().add(subTitle);
      dialog.getInnerPanel().add(BINDER.createAndBindUi(this));
      scroll.setHeight("350px");
      // scroll.setAlwaysShowScrollBars(true);
      dialog.getFirstBtn().addClickHandler(new ClickHandler() {
        @Override
        public void onClick(final ClickEvent event) {
          dialog.hide();
        }
      });
    }
  }

  /**
   * Show centered.
   */
  public void showCentered() {
    createDialogLazy();
    dialog.showCentered();
  }

}