<?php
defined( 'ABSPATH' ) or die( 'Cheatin\' uh?' );

if ( defined( 'SCCSS_FILE' ) ) :
	add_action( 'wp_enqueue_scripts', 'rocket_cache_sccss', 98 );
	add_action( 'update_option_sccss_settings', 'rocket_delete_sccss_cache_file' );
	add_filter( 'rocket_cache_busting_filename', 'rocket_sccss_cache_busting_filename' );
endif;

/**
 * Caches SCCSS code & remove the default enqueued URL
 *
 * @since 2.9
 * @author Remy Perona
 */
function rocket_cache_sccss() {
	$sccss = rocket_get_cache_busting_paths( 'sccss.css', 'css' );

	if ( ! file_exists( $sccss['filepath'] ) ) {
		rocket_sccss_create_cache_file( $sccss['bustingpath'], $sccss['filepath'] );
	}

	if ( file_exists( $sccss['filepath'] ) ) {
		wp_enqueue_style( 'scss', $sccss['url'], '', filemtime( $sccss['filepath'] ) );
		remove_action( 'wp_enqueue_scripts', 'sccss_register_style', 99 );
	}
}

/**
 * Deletes & recreates cache for SCCSS code
 *
 * @since 2.9
 * @author Remy Perona
 */
function rocket_delete_sccss_cache_file() {
	$sccss = rocket_get_cache_busting_paths( 'sccss.css', 'css' );

	array_map( 'unlink', glob( $sccss['bustingpath'] . 'sccss*.css' ) );
	rocket_clean_domain();
	rocket_sccss_create_cache_file( $sccss['bustingpath'], $sccss['filepath'] );
}

/**
 * Returns the filename for SCSSS cache file
 *
 * @since 2.9
 * @author Remy Perona
 *
 * @param string $filename filename.
 * @return string filename
 */
function rocket_sccss_cache_busting_filename( $filename ) {
	if ( false !== strpos( $filename, 'sccss' ) ) {
		return preg_replace( '/(?:.*)(sccss(?:.*))/i', '$1', $filename );
	}

	return $filename;
}

/**
 * Creates the cache file for SCCSS code
 *
 * @since 2.9
 * @author Remy Perona
 *
 * @param string $cache_busting_path Path to the cache busting directory.
 * @param string $cache_sccss_filepath Path to the sccss cache file.
 */
function rocket_sccss_create_cache_file( $cache_busting_path, $cache_sccss_filepath ) {
	$options     = get_option( 'sccss_settings' );
	$raw_content = isset( $options['sccss-content'] ) ? $options['sccss-content'] : '';
	$content     = wp_kses( $raw_content, array( '\'', '\"' ) );
	$content     = str_replace( '&gt;', '>', $content );

	if ( ! is_dir( $cache_busting_path ) ) {
		rocket_mkdir_p( $cache_busting_path );
	}

	rocket_put_content( $cache_sccss_filepath, $content );
}
