<?php
declare( strict_types = 1 );

namespace Wikimedia\Parsoid\Html2Wt\DOMHandlers;

use Wikimedia\Parsoid\DOM\Element;
use Wikimedia\Parsoid\DOM\Node;
use Wikimedia\Parsoid\Html2Wt\SerializerState;
use Wikimedia\Parsoid\Utils\DOMCompat;
use Wikimedia\Parsoid\Utils\DOMDataUtils;

class CaptionHandler extends DOMHandler {

	public function __construct() {
		parent::__construct( false );
	}

	/** @inheritDoc */
	public function handle(
		Element $node, SerializerState $state, bool $wrapperUnmodified = false
	): ?Node {
		$dp = DOMDataUtils::getDataParsoid( $node );
		// Serialize the tag itself
		$tableTag = $this->serializeTableTag(
			$dp->startTagSrc ?? '|+', null, $state, $node,
			$wrapperUnmodified
		);
		$state->emitChunk( $tableTag, $node );
		$state->serializeChildren( $node );
		return $node->nextSibling;
	}

	/** @inheritDoc */
	public function before( Element $node, Node $otherNode, SerializerState $state ): array {
		return ( DOMCompat::nodeName( $otherNode ) !== 'table' )
			? [ 'min' => 1, 'max' => $this->maxNLsInTable( $node, $otherNode ) ]
			: [ 'min' => 0, 'max' => $this->maxNLsInTable( $node, $otherNode ) ];
	}

	/** @inheritDoc */
	public function after( Element $node, Node $otherNode, SerializerState $state ): array {
		return [ 'min' => 1, 'max' => $this->maxNLsInTable( $node, $otherNode ) ];
	}

}