<?php
/**
 * Listing items data manager
 *
 * @package   package_name
 * @author    Cherry Team
 * @license   GPL-2.0+
 */

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

if ( ! class_exists( 'Jet_Engine_Listings_Data' ) ) {

	/**
	 * Define Jet_Engine_Listings_Data class
	 */
	class Jet_Engine_Listings_Data {

		/**
		 * Current listing object
		 *
		 * @var object
		 */
		private $current_object = null;

		/**
		 * Current listing document
		 *
		 * @var array
		 */
		private $current_listing = false;

		/**
		 * <ain listing document for current page
		 * @var null
		 */
		private $main_listing = null;

		/**
		 * Default main object holder
		 *
		 * @var mixed
		 */
		private $default_object = null;

		/**
		 * Default user object holder
		 *
		 * @var WP_User
		 */
		private $current_user = null;

		/**
		 * Processed post object
		 *
		 * @var WP_Post
		 */
		private $current_post = null;

		/**
		 * Processed term object
		 *
		 * @var WP_Term
		 */
		private $current_term = null;

		/**
		 * Listing settings defaults
		 * @var array
		 */
		private $defaults = false;

		/**
		 * Repeater iteration index
		 *
		 * @var integer
		 */
		public $repeater_index = 0;

		public $user_fields = array();

		/**
		 * Class constructor
		 */
		public function __construct() {
			add_action( 'the_post', array( $this, 'maybe_set_current_object' ), 10, 2 );
		}

		/**
		 * Automatically setup current object for post loops started inside the page
		 *
		 * @param  [type] $post  [description]
		 * @param  [type] $query [description]
		 * @return [type]        [description]
		 */
		public function maybe_set_current_object( $post = false, $query = false ) {

			if ( ! $post ) {
				return;
			}

			if ( ! $query ) {
				$this->set_current_object( $post );
				return;
			}

			if ( $query->is_main_query() && $query->in_the_loop ) { // $query->in_the_loop is needed to correctly check $query->is_main_query()
				$current_object = $this->get_current_object();

				if ( $current_object && 'WP_Post' === get_class( $current_object ) ) {
					$this->reset_current_object();
				}

			} else {
				$this->set_current_object( $post );
			}

		}

		/**
		 * Set current listing from outside
		 *
		 * @param void
		 */
		public function set_listing( $listing_doc = null ) {

			if ( ! $listing_doc ) {
				return;
			}

			if ( $listing_doc->get_settings( 'is_main' ) ) {
				$this->main_listing = $listing_doc;
			}

			$this->current_listing = $listing_doc;
		}

		/**
		 * Reset current listing object
		 *
		 * @return void
		 */
		public function reset_listing() {
			$this->current_listing = $this->main_listing;
			$this->reset_current_object();
		}

		/**
		 * Returns current listing object
		 *
		 * @return [type] [description]
		 */
		public function get_listing() {

			if ( ! $this->current_listing ) {
				$default_settings      = $this->setup_default_listing();
				$this->current_listing = jet_engine()->listings->get_new_doc( $default_settings );
			}

			return $this->current_listing;
		}

		/**
		 * Retuns current object fields array
		 * @return [type] [description]
		 */
		public function get_object_fields( $where = 'elementor' ) {

			switch ( $this->get_listing_source() ) {

				case 'posts':

					$fields = array(
						'post_id'      => __( 'Post ID', 'jet-engine' ),
						'post_title'   => __( 'Title', 'jet-engine' ),
						'post_date'    => __( 'Date', 'jet-engine' ),
						'post_content' => __( 'Content', 'jet-engine' ),
						'post_excerpt' => __( 'Excerpt', 'jet-engine' ),
						'post_status'  => __( 'Post Status', 'jet-engine' ),
					);

					break;

				case 'terms':

					$fields = array(
						'name'        => __( 'Term name', 'jet-engine' ),
						'description' => __( 'Term description', 'jet-engine' ),
						'count'       => __( 'Posts count', 'jet-engine' ),
					);

					break;

				case 'users':

					$fields = array(
						'ID'              => __( 'ID', 'jet-engine' ),
						'user_login'      => __( 'Login', 'jet-engine' ),
						'user_nicename'   => __( 'Nickname', 'jet-engine' ),
						'user_email'      => __( 'E-mail', 'jet-engine' ),
						'user_url'        => __( 'URL', 'jet-engine' ),
						'user_registered' => __( 'Registration Date', 'jet-engine' ),
						'display_name'    => __( 'Display Name', 'jet-engine' ),
					);

					break;
			}

			$groups = apply_filters( 'jet-engine/listing/data/object-fields-groups', array(
				array(
					'label'  => __( 'Post', 'jet-engine' ),
					'options' => array(
						'post_id'      => __( 'Post ID', 'jet-engine' ),
						'post_title'   => __( 'Title', 'jet-engine' ),
						'post_date'    => __( 'Date', 'jet-engine' ),
						'post_content' => __( 'Content', 'jet-engine' ),
						'post_excerpt' => __( 'Excerpt', 'jet-engine' ),
						'post_status'  => __( 'Post Status', 'jet-engine' ),
					)
				),
				array(
					'label'  => __( 'Term', 'jet-engine' ),
					'options' => array(
						'name'        => __( 'Term name', 'jet-engine' ),
						'description' => __( 'Term description', 'jet-engine' ),
						'count'       => __( 'Posts count', 'jet-engine' ),
					)
				),
				array(
					'label'  => __( 'User', 'jet-engine' ),
					'options' => array(
						'ID'              => __( 'ID', 'jet-engine' ),
						'user_login'      => __( 'Login', 'jet-engine' ),
						'user_nicename'   => __( 'Nickname', 'jet-engine' ),
						'user_email'      => __( 'E-mail', 'jet-engine' ),
						'user_url'        => __( 'URL', 'jet-engine' ),
						'user_registered' => __( 'Registration Date', 'jet-engine' ),
						'display_name'    => __( 'Display Name', 'jet-engine' ),
					)
				),
			) );

			if ( 'blocks' === $where ) {

				$result = array();

				foreach ( $groups as $group ) {

					$values = array();

					foreach ( $group['options'] as $key => $value ) {
						$values[] = array(
							'value' => $key,
							'label' => $value,
						);
					}

					$result[] = array(
						'label'  => $group['label'],
						'values' => $values,
					);

				}

				return $result;

			} else {
				return $groups;
			}

		}

		/**
		 * Checkl if requested property is property of user object
		 *
		 * @param  [type]  $prop [description]
		 * @return boolean       [description]
		 */
		public function is_user_prop( $prop ) {
			return in_array(
				$prop,
				array(
					'ID',
					'user_login',
					'user_nicename',
					'user_email',
					'user_url',
					'user_registered',
					'display_name',
				)
			);
		}

		/**
		 * Get listing default property
		 *
		 * @param  string $prop [description]
		 * @return [type]       [description]
		 */
		public function listing_defaults( $prop = 'listing_source' ) {

			if ( ! empty( $this->defaults ) ) {
				return isset( $this->defaults[ $prop ] ) ? $this->defaults[ $prop ] : false;
			}

			$listing = $this->get_listing();

			return isset( $listing[ $prop ] ) ? $listing[ $prop ] : false;

		}

		/**
		 * Returns all listing settings
		 *
		 * @return [type] [description]
		 */
		public function get_listing_settings() {

			$listing = $this->get_listing();

			if ( ! $listing ) {
				return $this->defaults;
			} else {
				return $listing->get_settings();
			}

		}

		/**
		 * Setup default listing settings
		 *
		 * @return [type] [description]
		 */
		public function setup_default_listing() {

			$default = array(
				'listing_source'    => 'posts',
				'listing_post_type' => 'post',
				'listing_tax'       => 'category',
			);

			$default_object = $this->get_default_object();