/*
 * 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.internal.renderkit.renderer;

import org.apache.myfaces.tobago.component.Attributes;
import org.apache.myfaces.tobago.context.Markup;
import org.apache.myfaces.tobago.internal.component.AbstractUIBadge;
import org.apache.myfaces.tobago.internal.component.AbstractUIButton;
import org.apache.myfaces.tobago.internal.component.AbstractUICommand;
import org.apache.myfaces.tobago.renderkit.css.BootstrapClass;
import org.apache.myfaces.tobago.renderkit.css.CssItem;
import org.apache.myfaces.tobago.renderkit.css.TobagoClass;
import org.apache.myfaces.tobago.util.ComponentUtils;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import java.io.IOException;

public class ButtonRenderer extends CommandRendererBase {

  @Override
  protected TobagoClass getRendererCssClass() {
    return TobagoClass.BUTTON;
  }

  @Override
  protected CssItem[] getCssItems(final FacesContext facesContext, final AbstractUICommand command) {
    final boolean defaultCommand = ComponentUtils.getBooleanAttribute(command, Attributes.defaultCommand);
    final Markup markup = command.getMarkup() != null ? command.getMarkup() : Markup.NULL;

    return new CssItem[]{
        BootstrapClass.BTN,
        getButtonColor(command.getMarkup(), defaultCommand),
        markup.contains(Markup.BADGE) ? BootstrapClass.BADGE : null,
        markup.contains(Markup.BADGE) && markup.contains(Markup.PILL) ? BootstrapClass.BADGE_PILL : null,
    };
  }

  private BootstrapClass getButtonColor(final Markup markup, final boolean defaultCommand) {
    if (markup != null) {
      if (markup.contains(Markup.NONE)) {
        return null;
      } else if (markup.contains(Markup.PRIMARY)) {
        return BootstrapClass.BTN_PRIMARY;
      } else if (markup.contains(Markup.SECONDARY)) {
        return BootstrapClass.BTN_SECONDARY;
      } else if (markup.contains(Markup.SUCCESS)) {
        return BootstrapClass.BTN_SUCCESS;
      } else if (markup.contains(Markup.DANGER)) {
        return BootstrapClass.BTN_DANGER;
      } else if (markup.contains(Markup.WARNING)) {
        return BootstrapClass.BTN_WARNING;
      } else if (markup.contains(Markup.INFO)) {
        return BootstrapClass.BTN_INFO;
      } else if (markup.contains(Markup.LIGHT)) {
        return BootstrapClass.BTN_LIGHT;
      } else if (markup.contains(Markup.DARK)) {
        return BootstrapClass.BTN_DARK;
      }
    }
    return defaultCommand ? BootstrapClass.BTN_PRIMARY : BootstrapClass.BTN_SECONDARY;
  }

  @Override
  protected void encodeBadge(FacesContext facesContext, AbstractUICommand command) throws IOException {
    final AbstractUIButton button = (AbstractUIButton) command;

    for (final UIComponent child : button.getChildren()) {
      if (child instanceof AbstractUIBadge) {
        child.encodeAll(facesContext);
      }
    }
  }
}