<?php
/**
 * Styles Add and Style REST API Action.
 * 
 * @package ULTP\Styles
 * @since v.1.0.0
 */
namespace ULTP;

defined('ABSPATH') || exit;

/**
 * Styles class.
 */
class Styles {

	/**
	 * Setup class.
	 *
	 * @since v.1.0.0
	 */
    public function __construct() {
		$this->require_block_css();
		add_action( 'rest_api_init', array( $this, 'save_block_css_callback' ) );
		add_action( 'wp_ajax_disable_google_font', array( $this, 'disable_google_font_callback' ) );
		add_action( 'after_delete_post', array( $this, 'ultp_delete_post_callback' ), 10, 2 ); // Delete Plugin Data CSS file delete Action
	}

	/**
     * Delete Plugin Data CSS file delete Action
     *
     * * @since v.2.9.8
     * @return STRING
     */
	public function ultp_delete_post_callback( $post_id, $post ) {
		$upload = wp_upload_dir();
		$upload_dir = $upload['basedir'];
		$upload_dir_path = $upload_dir . "/ultimate-post/ultp-css-{$post_id}.css";
		if ( file_exists( $upload_dir_path ) ) {
			wp_delete_file( $upload_dir_path );
		}
	}

	/**
     * Disable Google Font Callback
     *
     * * @since v.2.8.1
     * @return STRING
     */
    public function disable_google_font_callback() {
		if ( ! ( isset( $_REQUEST['wpnonce'] ) && wp_verify_nonce( sanitize_key( wp_unslash( $_REQUEST['wpnonce'] ) ), 'ultp-nonce' ) ) ) {
            return ;
        }
		if(!ultimate_post()->permission_check_for_restapi()){
			return;
		}
		
		global $wp_filesystem;
		if ( ! $wp_filesystem ) {
			require_once( ABSPATH . 'wp-admin/includes/file.php' );
			WP_Filesystem();
		}

		$upload_dir_url = wp_upload_dir();
		$dir = trailingslashit( $upload_dir_url['basedir'] ) . 'ultimate-post/';
		$css_dir = glob( $dir . '*.css' );
		$exclude_typo = implode( '|', ['Arial','Tahoma','Verdana','Helvetica','Times New Roman','Trebuchet MS','Georgia'] );

		if ( count( $css_dir ) > 0 ) {
			foreach ( $css_dir as $key => $value ) {
				$css = $wp_filesystem->get_contents( $value );
				$filter_css = preg_replace( '/(@import)[\w\s:\/?=,;.\'()+]*;/m', '', $css ); // Remove Import Font
				$final_css = preg_replace( '/(font-family:)((?!'.$exclude_typo.')[\w\s:,\\\'-])*;/mi', '', $filter_css ); // Font Replace Except Default Font
				$wp_filesystem->put_contents( $value, $final_css ); // Update CSS File
			}
		}

		global $wpdb;
		$results = $wpdb->get_results( "SELECT * FROM $wpdb->postmeta WHERE `meta_key`='_ultp_css'" ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching
		if ( ! empty( $results ) ) {
			foreach ( $results as $key => $value ) {
				$filter_css = preg_replace('/(@import)[\w\s:\/?=,;.\'()+]*;/m', '', $value->meta_value); // Remove Import Font
				$final_css = preg_replace('/(font-family:)((?!'.$exclude_typo.')[\w\s:,\\\'-])*;/mi', '', $filter_css); // Font Replace Except Default Font
				update_option($value->meta_key, $final_css);
			}
		}
		
		return wp_send_json_success(__('CSS Updated!', 'ultimate-post'));
    }

	/**
	 * REST API Action
     * 
     * @since v.1.0.0
	 * @return NULL
	 */
	public function save_block_css_callback() {
		register_rest_route(
			'ultp/v1', 
			'/save_block_css/',
			array(
				array(
					'methods'  => 'POST', 
					'callback' => array( $this, 'save_block_content_css'),
					'permission_callback' => function () {
						return current_user_can( 'publish_posts' );
					},
					'args' => array()
				)
			)
		);
		register_rest_route(
			'ultp/v1',
			'/get_reusable_posts/',
			array(
				array(
					'methods'  => 'POST',
					'callback' => array($this, 'get_reusable_posts_call'),
					'permission_callback' => function () {
						return current_user_can('edit_posts');
					},
					'args' => array()
				)
			)
		);
		register_rest_route(
			'ultp/v1',
			'/appened_css/',
			array(
				array(
					'methods'  => 'POST',
					'callback' => array($this, 'appened_css_call'),
					'permission_callback' => function () {
						return current_user_can('publish_posts');
					},
					'args' => array()
				)
			)
		);
		register_rest_route(
			'ultp/v1',
			'/action_option/',
			array(
				array(
					'methods'  => 'POST',
					'callback' => array($this, 'global_settings_action'),
					'permission_callback' => function () {
						return current_user_can('edit_posts');
					},
					'args' => array()
				)
			)
		);
		register_rest_route(
			'ultp/v1',
			'/postx_presets/',
			array(
				array(
					'methods'  => 'POST',
					'callback' => array($this, 'postx_presets_callback'),
					'permission_callback' => function () {
						return current_user_can('edit_posts');
					},
					'args' => array()
				)
			)
		);
	}

	/**
	 * Get and Set PostX Presets Settings
     * 
     * @since v.2.4.24
	 * @param OBJECT | Request Param of the REST API
	 * @return ARRAY | Array of the Custom Message
	 */
	public function postx_presets_callback($server) {
		$post = $server->get_params();
		$type = isset($post['type']) ? $post['type'] : '';
		$key = isset($post['key']) ? $post['key'] : '';
		$data = isset($post['data']) ? $post['data'] : '';

		if ($type) {
			if ($type == 'set') {
				update_option($key, $data);
				return ['success' => true];
			} else {
				return ['success' => true, 'data' => get_option($key, [])];
			}
		} else {
			return ['success' => false];
		}
	}
	/**
	 * Get and Set PostX Global Settings
     * 
     * @since v.2.4.24
	 * @param OBJECT | Request Param of the REST API
	 * @return ARRAY | Array of the Custom Message
	 */
	public function global_settings_action($server) {
		$post = $server->get_params();
		$post_type = isset($post['type'])?ultimate_post()->ultp_rest_sanitize_params($post['type']):'';
		if ($post_type && ultimate_post()->permission_check_for_restapi()) {
			if ($post_type == 'set') {				
				update_option('postx_global', ultimate_post()->ultp_rest_sanitize_params( $post['data']));
				return ['success' => true];
			} else {
				return ['success' => true, 'data' => get_option('postx_global', [])];
			}
		} else {
			return ['success' => false];
		}
	}

	/**
	 * Save Import CSS in the top of the File
     * 
     * @since v.1.0.0
	 * @param OBJECT | Request Param of the REST API
	 * @return ARRAY/Exception | Array of the Custom Message
	 */
	public function appened_css_call($server) {
		global $wp_filesystem;
		if ( ! $wp_filesystem ) {
			require_once( ABSPATH . 'wp-admin/includes/file.php' );
		}
		$post = $server->get_params();
		$css = $post['inner_css'];
		$post_id = isset($post['post_id'])? (int) ultimate_post()->ultp_rest_sanitize_params($post['post_id']):0;
		if ( $post_id && 'wp_block' === get_post_type($post_id) ) {
			
			$upload_dir_url = wp_upload_dir();
			$filename = "ultp-css-{$post_id}.css";
			$dir = trailingslashit($upload_dir_url['basedir']).'ultimate-post/';
			update_post_meta($post_id, '_ultp_css', $css);
			WP_Filesystem( false, $upload_dir_url['basedir'], true );
			if ( ! $wp_filesystem->is_dir( $dir ) ) {
				$wp_filesystem->mkdir( $dir );
			}
			if ( ! $wp_filesystem->put_contents( $dir . $filename, $css ) ) {
				throw new Exception(__('CSS can not be saved due to permission!!!', 'ultimate-post' ));  //phpcs:ignore
			}
			wp_send_json_success(array('success' => true, 'message' => __('Data retrive done', 'ultimate-post')));
		} else {
			return array('success' => false, 'message' => __('Data not found!!', 'ultimate-post'));
		}
	}


	/**
	 * Save Import CSS in the top of the File
     * 
     * @since v.1.0.0
	 * @param OBJECT | Request Param of the REST API
	 * @return ARRAY/Exception | Array of the Custom Message
	 */
	public function get_reusable_posts_call($server) {
		$post = $server->get_params();
		$post_id = isset($post['postId'])? ultimate_post()->ultp_rest_sanitize_params($post['postId']):'';
		if ( $post_id && ( ultimate_post()->permission_check_for_restapi($post_id) || 'wp_block'===get_post_type($post_id) )) {
			return array('success' => true, 'data'=> get_post($post_id)->post_content, 'message' => __('Data retrive done', 'ultimate-post'));
		} else {
			return array('success' => false, 'message' => __('Data not found!!', 'ultimate-post'));
		}
	}


	/**
	 * Save Import CSS in the top of the File
     * 
     * @since v.1.0.0
	 * @param OBJECT | Request Param of the REST API
	 * @return ARRAY/Exception | Array of the Custom Message
	 */
	public function save_block_content_css($request) {

		$params = $request->get_params();
		$post_id = isset($params['post_id'])? ultimate_post()->ultp_rest_sanitize_params($params['post_id']):'';

		if(!ultimate_post()->permission_check_for_restapi(is_numeric($post_id)?$post_id:false)) {
			return;
		}
		
		try{
			global $wp_filesystem;
			if ( ! $wp_filesystem ) {
				require_once( ABSPATH . 'wp-admin/includes/file.php' );
			}

			$params['has_block'] = isset($params['has_block'])?rest_sanitize_boolean($params['has_block']):'';
			$params['preview'] = isset($params['preview'])?rest_sanitize_boolean($params['preview']):'';
			
			if ( $post_id == 'ultp-widget' && $params['has_block'] ) { // Only Editor and upwards role user can save widget css
				update_option($post_id, $params['block_css']);
				return ['success' => true, 'message' => __('Widget CSS Saved', 'ultimate-post')];
			}
			
			$upload_dir_url = wp_upload_dir();
			$dir = trailingslashit($upload_dir_url['basedir']) . 'ultimate-post/';

			if ( strpos($post_id, '//') !== false ) {
				$data = explode('//', $post_id);
				

				if ( $data[2] == 'wp_template_part' ) {					
					$filename = "ultp-css-{$data[0]}__{$data[3]}.css";
					$template_css = get_option($data[0].'__'.$data[3], '');
					$reg = '/(\/\*TEMPLATE_START_'.$data[1].')[^"]+?(TEMPLATE_CLOSE_'.$data[1].'\*\/)/m';
					
					$ultp_block_css = '';
					if ( strpos($template_css, 'TEMPLATE_START_'.$data[1]) !== false ) {
						$ultp_block_css = preg_replace($reg, '/*TEMPLATE_START_'.$data[1].'*/' . $params['block_css'] . '/*TEMPLATE_CLOSE_'.$data[1].'*/', $template_css);	
					} else {
						$ultp_block_css = $template_css . '/*TEMPLATE_START_'.$data[1].'*/' . $params['block_css'] . '/*TEMPLATE_CLOSE_'.$data[1].'*/';
					}
					$ultp_block_css = $this->set_top_css($ultp_block_css);
					WP_Filesystem( false, $upload_dir_url['basedir'], true );
					if ( ! $wp_filesystem->is_dir( $dir ) ) {
						$wp_filesystem->mkdir( $dir );
					}
					
					$wp_filesystem->put_contents( $dir . $filename, $ultp_block_css );
					
					update_option($data[0].'__'.$data[3], $ultp_block_css);
				} else if ( $data[2] == 'wp_template' ) {
					$filename = "ultp-css-{$data[0]}__{$data[1]}.css";
					$ultp_block_css = $this->set_top_css($params['block_css']);
					WP_Filesystem( false, $upload_dir_url['basedir'], true );
					if ( ! $wp_filesystem->is_dir( $dir ) ) {
						$wp_filesystem->mkdir( $dir );
					}
					$wp_filesystem->put_contents( $dir . $filename, $ultp_block_css );
					
					update_option($data[0].'__'.$data[1], $ultp_block_css);
				}

				return ['success' => true, 'message' => __('Template & Template Part CSS Saved.', 'ultimate-post')];
			}

			$post_id = (int) $post_id;
			$filename = "ultp-css-{$post_id}.css";

			if ( $params['has_block'] ) {
				// Set Saving ID for Clean Cache
				ultimate_post()->set_setting('save_version', wp_rand(1, 1000));

				update_post_meta($post_id, '_ultp_active', 'yes');
				$ultp_block_css = $this->set_top_css($params['block_css']);

				// Preview Check
				if ( $params['preview'] ) {
					set_transient('_ultp_preview_'.$post_id, $ultp_block_css , 60*60);
					return ['success' => true];
				}

				WP_Filesystem( false, $upload_dir_url['basedir'], true );
				if ( ! $wp_filesystem->is_dir( $dir ) ) {
					$wp_filesystem->mkdir( $dir );
				}
				if ( ! $wp_filesystem->put_contents( $dir . $filename, $ultp_block_css ) ) {
					throw new Exception(__('CSS can not be saved due to permission!!!', 'ultimate-post')); //phpcs:ignore
				}
				update_post_meta($post_id, '_ultp_css', $ultp_block_css);
				return ['success'=>true, 'message'=>__('PostX css file has been updated.', 'ultimate-post')];
			} else {
				delete_post_meta($post_id, '_ultp_active');
				if ( file_exists($dir.$filename) ) {
					wp_delete_file($dir.$filename);
				}
				delete_post_meta($post_id, '_ultp_css');
				return ['success' => true, 'message' => __('Data Delete Done', 'ultimate-post')];
			}
		}catch(Exception $e) {
			return [ 'success'=> false, 'message'=> $e->getMessage() ];
        }
	}

	
	/**
	 * Save Import CSS in the top of the File
     * 
     * @since v.1.0.0
	 * @param STRING | CSS (STRING)
	 * @return STRING | Generated CSS
	 */
	public function set_top_css($get_css = '') {
		$disable_google_font = ultimate_post()->get_setting('disable_google_font');
		if ( $disable_google_font != 'yes' ) {
		$css_url = "@import url('https://fonts.googleapis.com/css?family=";
		$font_exists = substr_count($get_css, $css_url);
		if ( $font_exists ) {
			$pattern = sprintf('/%s(.+?)%s/ims', preg_quote($css_url, '/'), preg_quote("');", '/'));
			if ( preg_match_all($pattern, $get_css, $matches) ) {
				$fonts = $matches[0];
				$get_css = str_replace($fonts, '', $get_css);
				if ( preg_match_all( '/font-weight[ ]?:[ ]?[\d]{3}[ ]?;/' , $get_css, $matche_weight ) ) {
					$weight = array_map( function($val) {
						$process = trim( str_replace( array( 'font-weight',':',';' ) , '', $val ) );
						if (is_numeric( $process )) {
							return $process;
						}
					}, $matche_weight[0] );
					foreach ( $fonts as $key => $val ) {
						$fonts[$key] = str_replace( "');",'', $val ).':'.implode( ',',$weight )."');";
					}
				}
				$fonts = array_unique($fonts);
				$get_css = implode('', $fonts).$get_css;
			}
		}
		}
		return $get_css;
	}


	/**
	 * Enqueue CSS in HEAD or as a File
     * 
     * @since v.1.0.0
	 * @return NULL
	 */ 
	public function require_block_css() {
		$css_type = ultimate_post()->get_setting('css_save_as');
		if ( isset($_GET['preview_id']) && isset($_GET['preview_nonce']) ) {	// @codingStandardsIgnoreLine
			add_action( 'wp_head', array( $this, 'add_block_inline_css' ), 100 );	
		} else if ( $css_type === 'filesystem' ) {
			add_action( 'wp_enqueue_scripts', array( $this, 'add_block_css_file' ) );
		} else {
			add_action( 'wp_head', array( $this, 'add_block_inline_css' ), 100 );	
		}

		add_action('wp_enqueue_scripts', array($this, 'postx_global_css'));
		add_action( 'admin_init', array( $this, 'postx_global_css' ), 1 );
		add_action( 'admin_init', array( $this, 'postx_global_css_dependancies' ), 2 );
	}

	/**
	 * Check global style loaded or not
     * 
     * @since 4.0.0
	 * @return NULL
	 */
	public function postx_global_css_dependancies() {
		$wp_styles = wp_styles();
		$style = $wp_styles->query( 'wp-block-library', 'registered' );
		if( ! $style ) {
			return;
		}
		$array = ['wpxpo-global-style', 'ultp-preset-colors-style', 'ultp-preset-gradient-style', 'ultp-preset-typo-style' ];
		foreach ($array as $arr) {
			if( wp_style_is( $arr, 'registered' ) && !in_array( $arr, $style->deps, true ) ) {
				$style->deps[] = $arr;
			}
		}
	}

	/**
	 * Set Global Color Codes
     * 
     * @since v.1.0.0
	 * @return NULL
	 */
	public function postx_global_css() {
		// Preset CSS
		$global = get_option('postx_global', []);
		$custom_css = ':root {
			--preset-color1: '.(isset($global['presetColor1'])?$global['presetColor1']:'#037fff').';
			--preset-color2: '.(isset($global['presetColor2'])?$global['presetColor2']:'#026fe0').';
			--preset-color3: '.(isset($global['presetColor3'])?$global['presetColor3']:'#071323').';
			--preset-color4: '.(isset($global['presetColor4'])?$global['presetColor4']:'#132133').';
			--preset-color5: '.(isset($global['presetColor5'])?$global['presetColor5']:'#34495e').';
			--preset-color6: '.(isset($global['presetColor6'])?$global['presetColor6']:'#787676').';
			--preset-color7: '.(isset($global['presetColor7'])?$global['presetColor7']:'#f0f2f3').';
			--preset-color8: '.(isset($global['presetColor8'])?$global['presetColor8']:'#f8f9fa').';
			--preset-color9: '.(isset($global['presetColor9'])?$global['presetColor9']:'#ffffff').';
		}';
		$theme_css = isset($global['globalCSS']) && $global['globalCSS'] ? $global['globalCSS'] : $custom_css.'{}';

		wp_register_style( 'wpxpo-global-style', false, array(), ULTP_VER );
    	wp_enqueue_style( 'wpxpo-global-style' );
		wp_add_inline_style( 'wpxpo-global-style', $theme_css );

		// preset Colors
		$ultpPresetColors = get_option('ultpPresetColors', []);
		$rootCSS = ( isset($ultpPresetColors['rootCSS']) && $ultpPresetColors['rootCSS'] ) ? $ultpPresetColors['rootCSS'] : '{}';
		$savedDLMode = ( isset($global['enableDark']) && $global['enableDark'] ) ? 'ultpdark' : 'ultplight';
		$localDLMode = isset($_COOKIE['ultplocalDLMode']) ? $_COOKIE['ultplocalDLMode'] : $savedDLMode;
		
		
		if ( $localDLMode == 'ultplight' && $savedDLMode == 'ultpdark' ) {
			$rootCSS = $this->handle_dark_light_color_switcher($rootCSS);
		} else if ( $localDLMode == 'ultpdark' ) {
			if ( $savedDLMode == 'ultplight' ) {
				$rootCSS = $this->handle_dark_light_color_switcher($rootCSS);
			}
			$rootCSS = $rootCSS.' .ultp-dark-logo.wp-block-site-logo img {content: url("'.get_option('ultp_site_dark_logo', '').'");}';
		}

		wp_register_style( 'ultp-preset-colors-style', false, array(), ULTP_VER );
		wp_enqueue_style( 'ultp-preset-colors-style' );
		wp_add_inline_style( 'ultp-preset-colors-style', $rootCSS );
		
		// preset Gradients
		$ultpPresetGradients = get_option('ultpPresetGradients', []);
		wp_register_style( 'ultp-preset-gradient-style', false, array(), ULTP_VER );
		wp_enqueue_style( 'ultp-preset-gradient-style' );
		wp_add_inline_style( 'ultp-preset-gradient-style', isset($ultpPresetGradients['rootCSS']) && $ultpPresetGradients['rootCSS'] ? $ultpPresetGradients['rootCSS'] : '{}' );
		
		// preset Typos
		$ultpPresetTypos = get_option('ultpPresetTypos', []);
		wp_register_style( 'ultp-preset-typo-style', false, array(), ULTP_VER );
		wp_enqueue_style( 'ultp-preset-typo-style' );
		wp_add_inline_style( 'ultp-preset-typo-style', isset($ultpPresetTypos['presetTypoCSS']) && $ultpPresetTypos['presetTypoCSS'] ? $ultpPresetTypos['presetTypoCSS'] : '{}'  );
	}

	/**
	 * swap color for dark light
     * 
     * @since 4.0.0
	 * @return NULL
	 */
	public function handle_dark_light_color_switcher( $rootCSS ) {
		$rootCSS = str_replace(
			[ '--postx_preset_Base_1_color', '--postx_preset_Base_2_color', '--postx_preset_Base_3_color' ],
			[ '--postx_preset_Base_1_color_dum', '--postx_preset_Base_2_color_dum', '--postx_preset_Base_3_color_dum' ],
			$rootCSS
		);
		$rootCSS = str_replace(
			[ '--postx_preset_Contrast_1_color',  '--postx_preset_Contrast_2_color','--postx_preset_Contrast_3_color' ],
			[ '--postx_preset_Base_1_color', '--postx_preset_Base_2_color','--postx_preset_Base_3_color' ],
			$rootCSS
		);
		$rootCSS = str_replace(
			[ '--postx_preset_Base_1_color_dum', '--postx_preset_Base_2_color_dum','--postx_preset_Base_3_color_dum' ],
			[ '--postx_preset_Contrast_1_color', '--postx_preset_Contrast_2_color', '--postx_preset_Contrast_3_color' ],
			$rootCSS
		);
		return $rootCSS;
	}

	/**
	 * Set CSS as File
     * 
     * @since v.1.0.0
	 * @return NULL
	 */
	public function add_block_css_file() {
		$header_id = ultimate_post()->conditions('header');
		if ( $header_id ) {
			ultimate_post()->set_css_style( $header_id );
		}
		$footer_id = ultimate_post()->conditions('footer');
		if ( $footer_id ) {
			ultimate_post()->set_css_style( $footer_id );
		}
		ultimate_post()->set_css_style( ultimate_post()->get_ID() );
		$this->add_fse_theme_css('filesystem'); // FSE theme support
	}

	public function add_fse_theme_css( $type = 'filesystem' ) {		
		if ( function_exists( 'wp_is_block_theme' ) && wp_is_block_theme() ) {
			global $_wp_current_template_id;
			if ( isset($_wp_current_template_id) ) {
				ultimate_post()->register_scripts_common();
				$template_id = str_replace('//', '__',$_wp_current_template_id);
				if ( $type == 'inline' ) {
					$this->set_inline_css_style( $template_id );
				} else {
					ultimate_post()->set_css_style( $template_id );
				}
			}
		}
	}

	/**
	 * Set Inline CSS in Head
     * 
     * @since v.1.0.0
	 * @return NULL
	 */
	public function add_block_inline_css() {
		$header_id = ultimate_post()->conditions('header');
		if ( $header_id ) {
			$this->set_inline_css_style( $header_id );
		}
		$footer_id = ultimate_post()->conditions('footer');
		if ( $footer_id ) {
			$this->set_inline_css_style( $footer_id );
		}
        $this->set_inline_css_style(ultimate_post()->get_ID());
		$this->add_fse_theme_css('inline'); // FSE theme support
	}
	public function set_inline_css_style( $post_id ) {
		if ( $post_id ) { 
            $upload_dir_url = wp_get_upload_dir();
            $upload_css_dir_url = trailingslashit( $upload_dir_url['basedir'] );
			$css_dir_path = $upload_css_dir_url."ultimate-post/ultp-css-{$post_id}.css";

			// Reusable CSS
			$reusable_id = [];
			$reusable_css = '';
			if ( strpos($post_id, '__') !== false ) {
				$template = get_block_template( str_replace('__', '//', $post_id) );
				if ( $template->wp_id ) {
					$reusable_id = ultimate_post()->reusable_id($template->wp_id);
				}
			} else {
				$reusable_id = ultimate_post()->reusable_id($post_id);
			}
			if ( !empty($reusable_id) ) {
				foreach ( $reusable_id as $id ) {
					$reusable_dir_path = $upload_css_dir_url."ultimate-post/ultp-css-{$id}.css";
					if ( file_exists( $reusable_dir_path ) ) {
						global $wp_filesystem;
						if (! $wp_filesystem ) {
							require_once( ABSPATH . 'wp-admin/includes/file.php' );
						}
						WP_Filesystem();
						$reusable_css .= $wp_filesystem->get_contents($reusable_dir_path);
					} else {
						$reusable_css .= get_post_meta($id, '_ultp_css', true);
					}
				}
			}
			if ( isset($_GET['preview_id']) && isset($_GET['preview_nonce']) ) {	// @codingStandardsIgnoreLine
				$css = get_transient('_ultp_preview_'.$post_id, true);
				if ( !$css ) {
					$css = get_post_meta($post_id, '_ultp_css', true);
				}
				if ( $css ) {
					if ( $reusable_css ) {
						$css = $this->set_top_css($css.$reusable_css);
					}
					echo ultimate_post()->set_inline($css, $post_id); //phpcs:ignore
				}
			} else if ( file_exists( $css_dir_path ) ) {
				global $wp_filesystem;
				if (! $wp_filesystem ) {
					require_once( ABSPATH . 'wp-admin/includes/file.php' );
				}
				WP_Filesystem();
				$css = $wp_filesystem->get_contents($css_dir_path);
				if ( $reusable_css ) {
					$css = $this->set_top_css($css.$reusable_css);
				}
				if ( $css ) {
					echo ultimate_post()->set_inline($css, $post_id); //phpcs:ignore
				}
			} else {
				$css = get_post_meta($post_id, '_ultp_css', true);
				if ( $reusable_css ) {
					$css = $this->set_top_css($css.$reusable_css);
				}
				if ( $css ) {
					echo ultimate_post()->set_inline($css, $post_id); //phpcs:ignore
				}
			}
		}
	}
}