/*
 * 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.context.Markup;
import org.apache.myfaces.tobago.internal.component.AbstractUISelectOneChoice;
import org.apache.myfaces.tobago.internal.util.HtmlRendererUtils;
import org.apache.myfaces.tobago.internal.util.SelectItemUtils;
import org.apache.myfaces.tobago.renderkit.css.BootstrapClass;
import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
import org.apache.myfaces.tobago.util.ComponentUtils;
import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;

import javax.faces.context.FacesContext;
import javax.faces.model.SelectItem;
import java.io.IOException;

public class SelectOneChoiceRenderer<T extends AbstractUISelectOneChoice> extends SelectOneRendererBase<T> {

  @Override
  public HtmlElements getComponentTag() {
    return HtmlElements.TOBAGO_SELECT_ONE_CHOICE;
  }

  @Override
  public void encodeBeginInternal(final FacesContext facesContext, final T component) throws IOException {
    if (isInside(facesContext, HtmlElements.TOBAGO_IN)) {
      encodeBeginField(facesContext, component);
    } else {
      super.encodeBeginInternal(facesContext, component);
    }
  }

  @Override
  public void encodeEndInternal(final FacesContext facesContext, final T component) throws IOException {
    if (isInside(facesContext, HtmlElements.TOBAGO_IN)) {
      encodeEndField(facesContext, component);
    } else {
      super.encodeEndInternal(facesContext, component);
    }
  }

  @Override
  public boolean getRendersChildren() {
    return true;
  }

  @Override
  protected void encodeBeginField(final FacesContext facesContext, final T component) throws IOException {
    final TobagoResponseWriter writer = getResponseWriter(facesContext);

    final String clientId = component.getClientId(facesContext);
    final String fieldId = getFieldId(facesContext, component);
    final Iterable<SelectItem> items = SelectItemUtils.getItemIterator(facesContext, component);
    final String title = HtmlRendererUtils.getTitleFromTipAndMessages(facesContext, component);
    final boolean disabled = !items.iterator().hasNext() || component.isDisabled() || component.isReadonly();
    final Markup markup = component.getMarkup();

    writer.startElement(HtmlElements.SELECT);
    writer.writeIdAttribute(fieldId);
    writer.writeNameAttribute(clientId);
    HtmlRendererUtils.writeDataAttributes(facesContext, writer, component);
    writer.writeAttribute(HtmlAttributes.DISABLED, disabled);
    writer.writeAttribute(HtmlAttributes.TABINDEX, component.getTabIndex());

    writer.writeClassAttribute(
        isInside(facesContext, HtmlElements.TOBAGO_IN) ? BootstrapClass.FORM_SELECT : BootstrapClass.FORM_CONTROL,
        BootstrapClass.borderColor(ComponentUtils.getMaximumSeverity(component)),
        component.getCustomClass());
    if (title != null) {
      writer.writeAttribute(HtmlAttributes.TITLE, title, true);
    }
    renderFocus(clientId, component.isFocus(), component.isError(), facesContext, writer);

    HtmlRendererUtils.renderSelectItems(component, null, items, component.getValue(),
        (String) component.getSubmittedValue(), writer, facesContext);
  }

  @Override
  protected void encodeEndField(final FacesContext facesContext, final T component) throws IOException {
    final TobagoResponseWriter writer = getResponseWriter(facesContext);

    writer.endElement(HtmlElements.SELECT);

    encodeBehavior(writer, facesContext, component);
  }

  @Override
  protected String getFieldId(final FacesContext facesContext, final T component) {
    return isInside(facesContext, HtmlElements.TOBAGO_IN)
        ? component.getClientId(facesContext)
        : component.getFieldId(facesContext);
  }
}