<?php if ( ! defined( 'ABSPATH' ) ) {
	die;
} // Cannot access directly.
/**
 *
 * Metabox Class
 *
 * @since 1.0.0
 * @version 1.0.0
 */
if ( ! class_exists( 'CSF_Metabox' ) ) {
	// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedClassFound
	class CSF_Metabox extends CSF_Abstract {


		// constans
		public $unique = '';
		public $post_formats;
		public $page_templates;
		public $abstract   = 'metabox';
		public $pre_fields = array();
		 public $sections  = array();
		 public $post_type = array();
		 public $args      = array(
			 'title'              => '',
			 'post_type'          => 'post',
			 'data_type'          => 'serialize',
			 'context'            => 'advanced',
			 'priority'           => 'default',
			 'exclude_post_types' => array(),
			 'page_templates'     => '',
			 'post_formats'       => '',
			 'show_reset'         => false,
			 'show_restore'       => false,
			 'enqueue_webfont'    => true,
			 'async_webfont'      => false,
			 'output_css'         => true,
			 'nav'                => 'normal',
			 'theme'              => 'dark',
			 'class'              => '',
			 'defaults'           => array(),
		 );

		 // run metabox construct
		 public function __construct( $key, $params = array() ) {

			  $this->unique        = $key;
			 // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
			 $this->args           = apply_filters( "csf_{$this->unique}_args", wp_parse_args( $params['args'], $this->args ), $this );
			 // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
			 $this->sections       = apply_filters( "csf_{$this->unique}_sections", $params['sections'], $this );
			 $this->post_type      = ( is_array( $this->args['post_type'] ) ) ? $this->args['post_type'] : array_filter( (array) $this->args['post_type'] );
			  $this->post_formats  = ( is_array( $this->args['post_formats'] ) ) ? $this->args['post_formats'] : array_filter( (array) $this->args['post_formats'] );
			 $this->page_templates = ( is_array( $this->args['page_templates'] ) ) ? $this->args['page_templates'] : array_filter( (array) $this->args['page_templates'] );
			 $this->pre_fields     = $this->pre_fields( $this->sections );

			 add_action( 'add_meta_boxes', array( $this, 'add_meta_box' ) );
			  add_action( 'save_post', array( $this, 'save_meta_box' ) );
			  add_action( 'edit_attachment', array( $this, 'save_meta_box' ) );

			 if ( ! empty( $this->page_templates ) || ! empty( $this->post_formats ) || ! empty( $this->args['class'] ) ) {
				 foreach ( $this->post_type as $post_type ) {
					 add_filter( 'postbox_classes_' . $post_type . '_' . $this->unique, array( $this, 'add_metabox_classes' ) );
				 }
			 }

			 // wp enqeueu for typography and output css
			 parent::__construct();

		 }

		 // instance
		 public static function instance( $key, $params = array() ) {

			 return new self( $key, $params );
		 }

		 public function pre_fields( $sections ) {

				$result = array();

			 foreach ( $sections as $key => $section ) {
				 if ( ! empty( $section['fields'] ) ) {
					 foreach ( $section['fields'] as $field ) {
						 $result[] = $field;
					 }
				 }
			 }

			 return $result;

		 }

		 public function add_metabox_classes( $classes ) {

				global $post;

			 if ( ! empty( $this->post_formats ) ) {

				 $saved_post_format = ( is_object( $post ) ) ? get_post_format( $post ) : false;
				 $saved_post_format = ( ! empty( $saved_post_format ) ) ? $saved_post_format : 'default';

				 $classes[] = 'csf-post-formats';

				 // Sanitize post format for standard to default
				 if ( ( $key = array_search( 'standard', $this->post_formats ) ) !== false ) {
					  $this->post_formats[ $key ] = 'default';
				 }

				 foreach ( $this->post_formats as $format ) {
					 $classes[] = 'csf-post-format-' . $format;
				 }

				 if ( ! in_array( $saved_post_format, $this->post_formats ) ) {
					 $classes[] = 'csf-metabox-hide';
				 } else {
					 $classes[] = 'csf-metabox-show';
				 }
			 }

			 if ( ! empty( $this->page_templates ) ) {

				 $saved_template = ( is_object( $post ) && ! empty( $post->page_template ) ) ? $post->page_template : 'default';

				 $classes[] = 'csf-page-templates';

				 foreach ( $this->page_templates as $template ) {
					 $classes[] = 'csf-page-' . preg_replace( '/[^a-zA-Z0-9]+/', '-', strtolower( $template ) );
				 }

				 if ( ! in_array( $saved_template, $this->page_templates ) ) {
					 $classes[] = 'csf-metabox-hide';
				 } else {
					 $classes[] = 'csf-metabox-show';
				 }
			 }

			 if ( ! empty( $this->args['class'] ) ) {
				 $classes[] = $this->args['class'];
			 }

			 return $classes;

		 }

		 // add metabox
		 public function add_meta_box( $post_type ) {

			 if ( ! in_array( $post_type, $this->args['exclude_post_types'] ) ) {
				 add_meta_box( $this->unique, $this->args['title'], array( $this, 'add_meta_box_content' ), $this->post_type, $this->args['context'], $this->args['priority'], $this->args );
			 }

		 }

		 // get default value
		 public function get_default( $field ) {

			 $default  = ( isset( $field['default'] ) ) ? $field['default'] : '';
			  $default = ( isset( $this->args['defaults'][ $field['id'] ] ) ) ? $this->args['defaults'][ $field['id'] ] : $default;

			 return $default;

		 }

		 // get meta value
		 public function get_meta_value( $field ) {

				global $post;

				$value = null;

			 if ( is_object( $post ) && ! empty( $field['id'] ) ) {

				 if ( $this->args['data_type'] !== 'serialize' ) {
					 $meta  = get_post_meta( $post->ID, $field['id'] );
					 $value = ( isset( $meta[0] ) ) ? $meta[0] : null;
				 } else {
					 $meta  = get_post_meta( $post->ID, $this->unique, true );
					 $value = ( isset( $meta[ $field['id'] ] ) ) ? $meta[ $field['id'] ] : null;
				 }
			 }

			 $default = ( isset( $field['id'] ) ) ? $this->get_default( $field ) : '';
			 $value   = ( isset( $value ) ) ? $value : $default;

			 return $value;

		 }

		 // add metabox content
		 public function add_meta_box_content( $post, $callback ) {

				global $post;

				$has_nav  = ( count( $this->sections ) > 1 && $this->args['context'] !== 'side' ) ? true : false;
				$show_all = ( ! $has_nav ) ? ' csf-show-all' : '';
			   $post_type = ( is_object( $post ) ) ? $post->post_type : '';
				$errors   = ( is_object( $post ) ) ? get_post_meta( $post->ID, '_csf_errors_' . $this->unique, true ) : array();
				$errors   = ( ! empty( $errors ) ) ? $errors : array();
				$theme    = ( $this->args['theme'] ) ? ' csf-theme-' . $this->args['theme'] : '';
				$nav_type = ( $this->args['nav'] === 'inline' ) ? 'inline' : 'normal';

			 if ( is_object( $post ) && ! empty( $errors ) ) {
				 delete_post_meta( $post->ID, '_csf_errors_' . $this->unique );
			 }

			 wp_nonce_field( 'csf_metabox_nonce', 'csf_metabox_nonce' . $this->unique );

			 echo '<div class="csf csf-metabox' . esc_attr( $theme ) . '">';

			 echo '<div class="csf-wrapper' . esc_attr( $show_all ) . '">';

			 if ( $has_nav ) {

				 echo '<div class="csf-nav csf-nav-' . esc_attr( $nav_type ) . ' csf-nav-metabox">';

				  echo '<ul>';

				  $tab_key = 0;

				 foreach ( $this->sections as $section ) {

					 if ( ! empty( $section['post_type'] ) && ! in_array( $post_type, array_filter( (array) $section['post_type'] ) ) ) {
						  continue;
					 }

					 $tab_error = ( ! empty( $errors['sections'][ $tab_key ] ) ) ? '<i class="csf-label-error csf-error">!</i>' : '';
					  $tab_icon = ( ! empty( $section['icon'] ) ) ? '<i class="csf-tab-icon ' . esc_attr( $section['icon'] ) . '"></i>' : '';

					 echo '<li><a href="#">' . esc_html( $tab_icon ) . esc_html( $section['title'] ) . esc_html( $tab_error ) . '</a></li>';

					  $tab_key++;

				 }

				 echo '</ul>';

				 echo '</div>';

			 }

			 echo '<div class="csf-content">';

			 echo '<div class="csf-sections">';

			 $section_key = 0;

			 foreach ( $this->sections as $section ) {

				 if ( ! empty( $section['post_type'] ) && ! in_array( $post_type, array_filter( (array) $section['post_type'] ) ) ) {
					 continue;
				 }

				 $section_onload = ( ! $has_nav ) ? ' csf-onload' : '';
				 $section_class  = ( ! empty( $section['class'] ) ) ? ' ' . $section['class'] : '';
				 $section_title  = ( ! empty( $section['title'] ) ) ? $section['title'] : '';
				 $section_icon   = ( ! empty( $section['icon'] ) ) ? '<i class="csf-section-icon ' . esc_attr( $section['icon'] ) . '"></i>' : '';

				 echo '<div class="csf-section hidden' . esc_attr( $section_onload . $section_class ) . '">';

				 echo ( $section_title || $section_icon ) ? '<div class="csf-section-title"><h3>' . esc_html( $section_icon ) . esc_html( $section_title ) . '</h3></div>' : '';
				 echo ( ! empty( $section['description'] ) ) ? '<div class="csf-field csf-section-description">' . esc_html( $section['description'] ) . '</div>' : '';

				 if ( ! empty( $section['fields'] ) ) {

					 foreach ( $section['fields'] as $field ) {

						 if ( ! empty( $field['id'] ) && ! empty( $errors['fields'][ $field['id'] ] ) ) {
								 $field['_error'] = $errors['fields'][ $field['id'] ];
						 }

						 if ( ! empty( $field['id'] ) ) {
								 $field['default'] = $this->get_default( $field );
						 }

						 CSF::field( $field, $this->get_meta_value( $field ), $this->unique, 'metabox' );

					 }
				 } else {

					// phpcs:ignore WordPress.WP.I18n.TextDomainMismatch
					echo '<div class="csf-no-option">' . esc_html__( 'No data available.', 'csf' ) . '</div>';

				 }

				 echo '</div>';

				 $section_key++;

			 }

			 echo '</div>';

			 if ( ! empty( $this->args['show_restore'] ) || ! empty( $this->args['show_reset'] ) ) {

				 echo '<div class="csf-sections-reset">';
				 echo '<label>';
				 echo '<input type="checkbox" name="' . esc_attr( $this->unique ) . '[_reset]" />';
				 // phpcs:ignore WordPress.WP.I18n.TextDomainMismatch
				 echo '<span class="button csf-button-reset">' . esc_html__( 'Reset', 'csf' ) . '</span>';
				 // phpcs:ignore WordPress.WP.I18n.TextDomainMismatch
				 echo '<span class="button csf-button-cancel">' . sprintf( '<small>( %s )</small> %s', esc_html__( 'update post', 'csf' ), esc_html__( 'Cancel', 'csf' ) ) . '</span>';
				 echo '</label>';
				 echo '</div>';

			 }

			 echo '</div>';

			 echo ( $has_nav && $nav_type === 'normal' ) ? '<div class="csf-nav-background"></div>' : '';

			 echo '<div class="clear"></div>';

			 echo '</div>';

			 echo '</div>';

		 }

		 // save metabox
		 public function save_meta_box( $post_id ) {

				$count    = 1;
				$data     = array();
				$errors   = array();
				$noncekey = 'csf_metabox_nonce' . $this->unique;
				$nonce    = ( ! empty( $_POST[ $noncekey ] ) ) ? sanitize_text_field( wp_unslash( $_POST[ $noncekey ] ) ) : '';

			 if ( ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) || ! wp_verify_nonce( $nonce, 'csf_metabox_nonce' ) ) {
				 return $post_id;
			 }

			 // XSS ok.
			 // No worries, This "POST" requests is sanitizing in the below foreach.
			 // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
			 $request = ( ! empty( $_POST[ $this->unique ] ) ) ? wp_unslash( $_POST[ $this->unique ] ) : array();

			 if ( ! empty( $request ) ) {

				 foreach ( $this->sections as $section ) {

					 if ( ! empty( $section['fields'] ) ) {

						 foreach ( $section['fields'] as $field ) {

							 if ( ! empty( $field['id'] ) ) {

								 $field_id    = $field['id'];
								 $field_value = isset( $request[ $field_id ] ) ? $request[ $field_id ] : '';

								 // Sanitize "post" request of field.
								 if ( ! isset( $field['sanitize'] ) ) {

									 if ( is_array( $field_value ) ) {
										 $data[ $field_id ] = wp_kses_post_deep( $field_value );
									 } else {
										 $data[ $field_id ] = wp_kses_post( $field_value );
									 }
								 } elseif ( isset( $field['sanitize'] ) && is_callable( $field['sanitize'] ) ) {

										   $data[ $field_id ] = call_user_func( $field['sanitize'], $field_value );

								 } else {

										$data[ $field_id ] = $field_value;

								 }

								 // Validate "post" request of field.
								 if ( isset( $field['validate'] ) && is_callable( $field['validate'] ) ) {

									 $has_validated = call_user_func( $field['validate'], $field_value );

									 if ( ! empty( $has_validated ) ) {

										 $errors['sections'][ $count ]  = true;
										 $errors['fields'][ $field_id ] = $has_validated;
										 $data[ $field_id ]             = $this->get_meta_value( $field );

									 }
								 }
							 }
						 }
					 }

					 $count++;

				 }
			 }

			 // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
			 $data = apply_filters( "csf_{$this->unique}_save", $data, $post_id, $this );

			 // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
			 do_action( "csf_{$this->unique}_save_before", $data, $post_id, $this );

			 if ( empty( $data ) || ! empty( $request['_reset'] ) ) {

				 if ( $this->args['data_type'] !== 'serialize' ) {
					 foreach ( $data as $key => $value ) {
						 delete_post_meta( $post_id, $key );
					 }
				 } else {
						  delete_post_meta( $post_id, $this->unique );
				 }
			 } else {

				 if ( $this->args['data_type'] !== 'serialize' ) {
					 foreach ( $data as $key => $value ) {
						 update_post_meta( $post_id, $key, $value );
					 }
				 } else {
					 update_post_meta( $post_id, $this->unique, $data );
				 }

				 if ( ! empty( $errors ) ) {
					 update_post_meta( $post_id, '_csf_errors_' . $this->unique, $errors );
				 }
			 }

			 // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
			 do_action( "csf_{$this->unique}_saved", $data, $post_id, $this );

			 // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
			 do_action( "csf_{$this->unique}_save_after", $data, $post_id, $this );

		 }
	}
}