<?php

/**
* @package   s9e\TextFormatter
* @copyright Copyright (c) The s9e authors
* @license   http://www.opensource.org/licenses/mit-license.php The MIT License
*/
namespace s9e\TextFormatter\Plugins\PipeTables;

use s9e\TextFormatter\Configurator\Items\AttributeFilters\ChoiceFilter;
use s9e\TextFormatter\Plugins\ConfiguratorBase;

class Configurator extends ConfiguratorBase
{
	/**
	* {@inheritdoc}
	*/
	protected $quickMatch = '|';

	/**
	* Create the tags used by this plugin
	*
	* @return void
	*/
	protected function setUp()
	{
		$tags = [
			'TABLE' => ['template' => '<table><xsl:apply-templates/></table>'],
			'TBODY' => ['template' => '<tbody><xsl:apply-templates/></tbody>'],
			'TD'    => $this->generateCellTagConfig('td'),
			'TH'    => $this->generateCellTagConfig('th'),
			'THEAD' => ['template' => '<thead><xsl:apply-templates/></thead>'],
			'TR'    => ['template' => '<tr><xsl:apply-templates/></tr>']
		];
		foreach ($tags as $tagName => $tagConfig)
		{
			if (!isset($this->configurator->tags[$tagName]))
			{
				$this->configurator->tags->add($tagName, $tagConfig);
			}
		}
	}

	/**
	* Generate the tag config for give cell element
	*
	* @param  string $elName Element's name, either "td" or "th"
	* @return array          Tag config
	*/
	protected function generateCellTagConfig($elName)
	{
		$alignFilter = new ChoiceFilter(['left', 'center', 'right', 'justify'], true);

		return [
			'attributes' => [
				'align' => [
					'filterChain' => ['strtolower', $alignFilter],
					'required' => false
				]
			],
			'rules' => ['createParagraphs' => false],
			'template' =>
				'<' . $elName . '>
					<xsl:if test="@align">
						<xsl:attribute name="style">text-align:<xsl:value-of select="@align"/></xsl:attribute>
					</xsl:if>
					<xsl:apply-templates/>
				</' . $elName . '>'
		];
	}

	/**
	* {@inheritdoc}
	*/
	public function asConfig()
	{
		return [
			'overwriteEscapes'  => isset($this->configurator->Escaper),
			'overwriteMarkdown' => isset($this->configurator->Litedown)
		];
	}
}