<?php
/**
 * CPT data controller class
 */

// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
	die;
}

if ( ! class_exists( 'Jet_Engine_CPT_Data' ) ) {

	/**
	 * Define Jet_Engine_CPT_Data class
	 */
	class Jet_Engine_CPT_Data extends Jet_Engine_Base_Data {

		/**
		 * Table name
		 *
		 * @var string
		 */
		public $table = 'post_types';

		/**
		 * Query arguments
		 *
		 * @var array
		 */
		public $query_args = array(
			'status' => 'publish',
		);

		/**
		 * Table format
		 *
		 * @var string
		 */
		public $table_format = array( '%s', '%s', '%s', '%s', '%s' );

		/**
		 * Returns blacklisted post types slugs
		 *
		 * @return array
		 */
		public function items_blacklist() {
			return array(
				'post',
				'page',
				'attachment',
				'revision',
				'nav_menu_item',
				'custom_css',
				'customize_changeset',
				'action',
				'author',
				'order',
				'theme',
			);
		}

		/**
		 * Returns blacklisted post types slugs
		 *
		 * @return array
		 */
		public function meta_blacklist() {
			return array(
				'_wpnonce',
				'_wp_http_referer',
				'user_ID',
				'action',
				'originalaction',
				'post_author',
				'post_type',
				'original_post_status',
				'referredby',
				'_wp_original_http_referer',
				'post_ID',
				'meta-box-order-nonce',
				'closedpostboxesnonce',
				'post_title',
				'samplepermalinknonce',
				'content',
				'wp-preview',
				'hidden_post_status',
				'post_status',
				'hidden_post_password',
				'hidden_post_visibility',
				'visibility',
				'post_password',
				'mm',
				'jj',
				'aa',
				'hh',
				'mn',
				'ss',
				'hidden_mm',
				'cur_mm',
				'hidden_jj',
				'cur_jj',
				'hidden_aa',
				'cur_aa',
				'hidden_hh',
				'cur_hh',
				'hidden_mn',
				'cur_mn',
				'original_publish',
				'save',
				'post_format',
				'tax_input',
				'parent_id',
				'menu_order',
				'_thumbnail_id',
				'meta',
				'excerpt',
				'trackback_url',
				'_ajax_nonce',
				'metakeyselect',
				'metakeyinput',
				'metavalue',
				'advanced_view',
				'comment_status',
				'ping_status',
				'post_name',
				'post_author_override',
				'post_mime_type',
				'ID',
				'post_content',
				'post_excerpt',
				'post_parent',
				'to_ping',
				'screen',
				'taxonomy',
				'action',
				'tag-name',
				'slug',
				'description',
			);
		}

		/**
		 * Prepare post data from request to write into database
		 *
		 * @return array
		 */
		public function sanitize_item_from_request( $is_built_in = false ) {

			$request = $this->request;

			if ( $is_built_in ) {
				$status = 'built-in';;
			} else {
				$status = 'publish';
			}

			$result = array(
				'slug'        => '',
				'status'      => $status,
				'labels'      => array(),
				'args'        => array(),
				'meta_fields' => array(),
			);

			if ( $is_built_in && ! empty( $request['id'] ) ) {
				$result['id'] = absint( $request['id'] );
			}

			if ( $is_built_in ) {
				$slug = ! empty( $request['slug'] ) ? $request['slug'] : false;
			} else {
				$slug = ! empty( $request['slug'] ) ? $this->sanitize_slug( $request['slug'] ) : false;
			}

			$name = ! empty( $request['name'] ) ? sanitize_text_field( $request['name'] ) : false;

			if ( ! $slug ) {
				return false;
			}

			$labels = array();

			if ( $is_built_in ) {

				if ( $name ) {
					$labels = array(
						'name' => $name,
					);
				} else {
					$name = array();
				}

			} else {
				$labels = array(
					'name' => $name,
				);
			}

			$labels_list = array(
				'singular_name',
				'menu_name',
				'name_admin_bar',
				'add_new',
				'add_new_item',
				'new_item',
				'edit_item',
				'view_item',
				'all_items',
				'search_items',
				'parent_item_colon',
				'not_found',
				'not_found_in_trash',
				'featured_image',
				'set_featured_image',
				'remove_featured_image',
				'use_featured_image',
				'archives',
				'insert_into_item',
				'uploaded_to_this_item',
			);

			foreach ( $labels_list as $label_key ) {
				if ( ! empty( $request[ $label_key ] ) ) {
					$labels[ $label_key ] = $request[ $label_key ];
				}
			}

			$args        = array();
			$ensure_bool = array(
				'public',
				'publicly_queryable',
				'show_ui',
				'show_in_menu',
				'show_in_nav_menus',
				'show_in_rest',
				'query_var',
				'rewrite',
				'has_archive',
				'hierarchical',
				'exclude_from_search',
				'with_front',
				'show_edit_link',
			);

			foreach ( $ensure_bool as $key ) {
				if ( $is_built_in ) {
					if ( isset( $request[ $key ] ) ) {
						$args[ $key ] = filter_var( $request[ $key ], FILTER_VALIDATE_BOOLEAN );
					}
				} else {
					$args[ $key ] = ! empty( $request[ $key ] )
									? filter_var( $request[ $key ], FILTER_VALIDATE_BOOLEAN )
									: false;
				}
			}

			$regular_args = array(
				'rewrite_slug'    => $slug,
				'capability_type' => 'post',
				'menu_position'   => null,
				'menu_icon'       => '',
				'supports'        => array(),
				'admin_columns'   => array(),
			);

			foreach ( $regular_args as $key => $default ) {
				if ( $is_built_in ) {
					if ( isset( $request[ $key ] ) ) {
						$args[ $key ] = $request[ $key ];
					}
				} else {
					$args[ $key ] = ! empty( $request[ $key ] ) ? $request[ $key ] : $default;
				}
			}

			if ( ! isset( $args['admin_columns'] ) ) {
				$args['admin_columns'] = array();
			}

			// Remove collapsed trigger from admin columns
			if ( ! empty( $args['admin_columns'] ) ) {
				for ( $i = 0; $i < count( $args['admin_columns'] ); $i++ ) {
					if ( isset( $args['admin_columns'][ $i ]['collapsed'] ) ) {
						unset( $args['admin_columns'][ $i ]['collapsed'] );
					}
				}

			}

			/**
			 * @todo Validate meta fields before saving - ensure that used correct types and all names was set.
			 */
			$meta_fields = ! empty( $request['meta_fields'] ) ? $request['meta_fields'] : array();

			$result['slug']        = $slug;
			$result['labels']      = $labels;
			$result['args']        = $args;
			$result['meta_fields'] = $this->sanitize_meta_fields( $meta_fields );

			return $result;

		}

		/**
		 * Sanitize meta fields
		 *
		 * @param  [type] $meta_fields [description]
		 * @return [type]              [description]
		 */
		public function sanitize_meta_fields( $meta_fields ) {

			foreach ( $meta_fields as $key => $field ) {

				// If name is empty - create it from title, else - santize it
				if ( empty( $field['name'] ) ) {
					$field['name'] = $this->sanitize_slug( $field['title'] );
				} else {
					$field['name'] = $this->sanitize_slug( $field['name'] );
				}

				// If still empty - create random name
				if ( empty( $field['name'] ) ) {
					$field['name'] = '_field_' . rand( 10000, 99999 );
				}

				// If name in blak list - add underscore at start
				if ( in_array( $field['name'], $this->meta_blacklist() ) ) {
					$meta_fields[ $key ]['name'] = '_' . $field['name'];
				} else {
					$meta_fields[ $key ]['name'] = $field['name'];
				}

			}

			return $meta_fields;
		}

		/**
		 * Filter post type for register
		 *
		 * @return array
		 */
		public function filter_item_for_register( $item ) {

			$result = array();