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// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
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package org.apache.juneau.html;

import org.apache.juneau.*;
import org.apache.juneau.cp.*;
import org.apache.juneau.html.annotation.*;

/**
 * Metadata on bean properties specific to the HTML serializers and parsers pulled from the {@link Html @Html}
 * annotation on the bean property.
 *
 * <ul class='seealso'>
 * 	<li class='link'>{@doc jm.HtmlDetails}
 * 	<li class='extlink'>{@source}
 * </ul>
 */
@SuppressWarnings("rawtypes")
public final class HtmlBeanPropertyMeta extends ExtendedBeanPropertyMeta {

	/**
	 * Default instance.
	 */
	public static final HtmlBeanPropertyMeta DEFAULT = new HtmlBeanPropertyMeta();

	private final boolean noTables, noTableHeaders;
	private final HtmlFormat format;
	private final HtmlRender render;
	private final String link, anchorText;

	/**
	 * Constructor.
	 *
	 * @param bpm The metadata of the bean property of this additional metadata.
	 * @param mp HTML metadata provider (for finding information about other artifacts).
	 */
	public HtmlBeanPropertyMeta(BeanPropertyMeta bpm, HtmlMetaProvider mp) {
		super(bpm);

		Builder b = new Builder();
		if (bpm.getInnerField() != null)
			mp.forEachAnnotation(Html.class, bpm.getInnerField(), x-> true, x -> b.findHtmlInfo(x));
		if (bpm.getGetter() != null)
			mp.forEachAnnotation(Html.class, bpm.getGetter(), x-> true, x -> b.findHtmlInfo(x));
		if (bpm.getSetter() != null)
			mp.forEachAnnotation(Html.class, bpm.getSetter(), x-> true, x -> b.findHtmlInfo(x));

		this.format = b.format;
		this.noTables = b.noTables;
		this.noTableHeaders = b.noTableHeaders;
		this.render = b.render.orElse(null);
		this.link = b.link;
		this.anchorText = b.anchorText;
	}

	private HtmlBeanPropertyMeta() {
		super(null);
		this.format = HtmlFormat.HTML;
		this.noTables = false;
		this.noTableHeaders = false;
		this.render = null;
		this.link = null;
		this.anchorText = null;
	}

	static final class Builder {
		boolean noTables, noTableHeaders;
		HtmlFormat format = HtmlFormat.HTML;
		BeanCreator<HtmlRender> render = BeanCreator.of(HtmlRender.class);
		String link, anchorText;

		void findHtmlInfo(Html html) {
			if (html == null)
				return;
			format = html.format();
			if (html.noTables())
				noTables = html.noTables();
			if (html.noTableHeaders())
				noTableHeaders = html.noTableHeaders();
			if (html.render() != HtmlRender.class)
				render.type(html.render());
			if (! html.link().isEmpty())
				link = html.link();
			if (! html.anchorText().isEmpty())
				anchorText = html.anchorText();
		}
	}

	/**
	 * Returns the format of this bean property
	 *
	 * @return The value of the {@link Html#format()} annotation.
	 */
	protected HtmlFormat getFormat() {
		return format;
	}

	/**
	 * Returns <jk>true</jk> if {@link #getFormat()} returns {@link HtmlFormat#XML}.
	 *
	 * @return <jk>true</jk> if {@link #getFormat()} returns {@link HtmlFormat#XML}.
	 */
	protected boolean isXml() {
		return format == HtmlFormat.XML;
	}

	/**
	 * Returns <jk>true</jk> if {@link #getFormat()} returns {@link HtmlFormat#PLAIN_TEXT}.
	 *
	 * @return <jk>true</jk> if {@link #getFormat()} returns {@link HtmlFormat#PLAIN_TEXT}.
	 */
	protected boolean isPlainText() {
		return format == HtmlFormat.PLAIN_TEXT;
	}

	/**
	 * Returns <jk>true</jk> if {@link #getFormat()} returns {@link HtmlFormat#HTML}.
	 *
	 * @return <jk>true</jk> if {@link #getFormat()} returns {@link HtmlFormat#HTML}.
	 */
	protected boolean isHtml() {
		return format == HtmlFormat.HTML;
	}

	/**
	 * Returns <jk>true</jk> if {@link #getFormat()} returns {@link HtmlFormat#HTML_CDC}.
	 *
	 * @return <jk>true</jk> if {@link #getFormat()} returns {@link HtmlFormat#HTML_CDC}.
	 */
	protected boolean isHtmlCdc() {
		return format == HtmlFormat.HTML_CDC;
	}

	/**
	 * Returns <jk>true</jk> if {@link #getFormat()} returns {@link HtmlFormat#HTML_SDC}.
	 *
	 * @return <jk>true</jk> if {@link #getFormat()} returns {@link HtmlFormat#HTML_SDC}.
	 */
	protected boolean isHtmlSdc() {
		return format == HtmlFormat.HTML_SDC;
	}

	/**
	 * Returns whether this bean property should not be serialized as an HTML table.
	 *
	 * @return
	 * 	<jk>true</jk> if the the {@link Html @Html} annotation is specified, and {@link Html#noTables() @Html(noTables)} is
	 * 	<jk>true</jk>.
	 */
	protected boolean isNoTables() {
		return noTables;
	}

	/**
	 * Returns whether this bean property should not include table headers when serialized as an HTML table.
	 *
	 * @return
	 * 	<jk>true</jk> if the the {@link Html @Html} annotation is specified, and {@link Html#noTableHeaders() @Html(noTableHeaders)} is
	 * 	<jk>true</jk>.
	 */
	public boolean isNoTableHeaders() {
		return noTableHeaders;
	}

	/**
	 * Returns the render class for rendering the style and contents of this property value in HTML.
	 *
	 * <p>
	 * This value is specified via the {@link Html#render() @Html(render)} annotation.
	 *
	 * @return The render class, never <jk>null</jk>.
	 */
	public HtmlRender getRender() {
		return render;
	}

	/**
	 * Adds a hyperlink to this value in HTML.
	 *
	 * <p>
	 * This value is specified via the {@link Html#link() @Html(link)} annotation.
	 *
	 * @return The link string, or <jk>null</jk> if not specified.
	 */
	public String getLink() {
		return link;
	}

	/**
	 * Specifies the anchor text for this property.
	 *
	 * <p>
	 * This value is specified via the {@link Html#anchorText() @Html(anchorText)} annotation.
	 *
	 * @return The link string, or <jk>null</jk> if not specified.
	 */
	public String getAnchorText() {
		return anchorText;
	}
}
