<?php
/**
 * Thin wrapper around css minifiers to avoid rewriting a bunch of existing code.
 *
 * @author        Webcraftic <wordpress.webraftic@gmail.com>
 * @copyright (c) 2018 Webraftic Ltd
 * @version       1.0
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Class WMAC_PluginCSSmin
 */
class WMAC_PluginCSSmin {

	/**
	 * Minifier instance.
	 *
	 * @var WMAC\tubalmartin\CssMin\Minifier|null
	 */
	protected $minifier = null;

	/**
	 * Construtor.
	 *
	 * @param bool $raise_limits   Whether to raise memory limits or not. Default true.
	 */
	public function __construct( $raise_limits = true ) {
		$this->minifier = new WMAC\tubalmartin\CssMin\Minifier( $raise_limits );
	}

	/**
	 * Runs the minifier on given string of $css.
	 * Returns the minified css.
	 *
	 * @param string $css   CSS to minify.
	 *
	 * @return string
	 */
	public function run( $css ) {
		$this->minifier->removeImportantComments();
		$result = $this->minifier->run( $css );

		return $result;
	}

	/**
	 * Static helper.
	 *
	 * @param string $css   CSS to minify.
	 *
	 * @return string
	 */
	public static function minify( $css ) {
		$minifier = new self();

		return $minifier->run( $css );
	}
}
