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package io.legaldocml.akn.element;

import com.google.common.collect.ImmutableMap;
import io.legaldocml.akn.AknObject;
import io.legaldocml.akn.attribute.CellAttrs;
import io.legaldocml.io.AttributeGetterSetter;
import io.legaldocml.io.XmlWriter;
import io.legaldocml.io.impl.Buffers;

import java.io.IOException;

import static io.legaldocml.akn.AknAttributes.COL_SPAN;
import static io.legaldocml.akn.AknAttributes.ROW_SPAN;
import static io.legaldocml.akn.AknElements.TH;
import static io.legaldocml.akn.element.Attributes.attributeGetterSetter4Integer;
import static io.legaldocml.akn.util.XmlWriterHelper.writeCellAttrs;
import static io.legaldocml.unsafe.UnsafeHelper.getFieldOffset;

/**
 * The element th is an HTML element and is used in Akoma Ntoso as in HTML, for a header cell of a table.
 * 
 * 
 *   
 * 	   
 * 	     
 * 		   
 * 		     
 * 		   
 * 		 
 * 	   
 *   
 * 
 *
 * @author Jacques Militello
 */
public final class Th extends Blocksopt implements CellAttrs, TrElement, SubFlowStructureElement {

    /**
     * Memory address.
     */
    private static final long ADDRESS_TH = Buffers.address(TH);


    private static final ImmutableMap> ATTRIBUTES;

    static {
        ATTRIBUTES = ImmutableMap.>builder()
                .putAll(Blocksopt.ATTRIBUTES)
                .put(COL_SPAN, attributeGetterSetter4Integer(COL_SPAN, getFieldOffset(Th.class, "colSpan")))
                .put(ROW_SPAN, attributeGetterSetter4Integer(ROW_SPAN, getFieldOffset(Th.class, "rowSpan")))
                .build();
    }

    private Integer rowSpan;
    private Integer colSpan;

    /**
     * {@inheritDoc}
     */
    public Integer getRowSpan() {
        return this.rowSpan;
    }

    /**
     * {@inheritDoc}
     */
    public void setRowSpan(Integer rowspan) {
        this.rowSpan = rowspan;
    }

    /**
     * {@inheritDoc}
     */
    public Integer getColSpan() {
        return this.colSpan;
    }

    /**
     * {@inheritDoc}
     */
    public void setColSpan(Integer colspan) {
        this.colSpan = colspan;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void write(XmlWriter writer) throws IOException {
        writer.writeStart(ADDRESS_TH, 2);
        writeCellAttrs(writer, this);
        super.write(writer);
        writer.writeEnd(ADDRESS_TH, 2);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String name() {
        return TH;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public ImmutableMap> attributes() {
        return ATTRIBUTES;
    }
}