
package io.wcm.handler.link.markup;

import org.apache.commons.lang3.StringUtils;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.models.annotations.Model;
import org.apache.sling.models.annotations.injectorspecific.InjectionStrategy;
import org.jetbrains.annotations.NotNull;
import org.osgi.annotation.versioning.ProviderType;

import com.day.cq.wcm.api.WCMMode;

import io.wcm.handler.commons.dom.Anchor;
import io.wcm.handler.link.Link;
import io.wcm.handler.link.LinkHandler;
import io.wcm.handler.link.spi.LinkMarkupBuilder;
import io.wcm.sling.models.annotations.AemObject;

/**
 * Very basic implementation of {@link LinkMarkupBuilder}
 */
@Model(adaptables = {
    SlingHttpServletRequest.class, Resource.class
})
@ProviderType
public final class DummyLinkMarkupBuilder implements LinkMarkupBuilder {

  @AemObject(injectionStrategy = InjectionStrategy.OPTIONAL)
  private WCMMode wcmMode;

  @Override
  public boolean accepts(@NotNull Link link) {
    return (!link.isValid() || link.getUrl() == null)
        && wcmMode == WCMMode.EDIT
        && link.getLinkRequest().getLinkArgs().isDummyLink();
  }

  @Override
  public Anchor build(@NotNull Link link) {
    // build anchor
    String url = StringUtils.defaultString(link.getLinkRequest().getLinkArgs().getDummyLinkUrl(), LinkHandler.INVALID_LINK);
    return new Anchor(url);
  }

}
