<?php
/**
 * Class description
 *
 * @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_Macros' ) ) {

	/**
	 * Define Jet_Engine_Listings_Macros class
	 */
	class Jet_Engine_Listings_Macros {

		/**
		 * Return available macros list
		 *
		 * @return [type] [description]
		 */
		public function get_all() {
			return apply_filters( 'jet-engine/listings/macros-list', array(
				'title' => array(
					'label' => esc_html__( 'Title', 'jet-engine' ),
					'cb'    => array( $this, 'get_title' ),
				),
				'field_value' => array(
					'label' => esc_html__( 'Field value', 'jet-engine' ),
					'cb'    => array( $this, 'get_field_value' ),
				),
				'current_id' => array(
					'label' => esc_html__( 'Current ID', 'jet-engine' ),
					'cb'    => array( $this, 'get_current_id' ),
				),
				'current_tags' => array(
					'label' => esc_html__( 'Current tags', 'jet-engine' ),
					'cb'    => array( $this, 'get_current_tags' ),
				),
				'current_terms' => array(
					'label' => esc_html__( 'Current terms', 'jet-engine' ),
					'cb'    => array( $this, 'get_current_terms' ),
					'args'  => array(
						'taxonomy' => array(
							'label'   => __( 'Taxonomy', 'jet-engine' ),
							'type'    => 'select',
							'options' => jet_engine()->listings->get_taxonomies_for_options(),
						),
					),
				),
				'current_categories' => array(
					'label' => esc_html__( 'Current categories', 'jet-engine' ),
					'cb'    => array( $this, 'get_current_categories' ),
				),
				'current_meta' => array(
					'label' => esc_html__( 'Current meta', 'jet-engine' ),
					'cb'    => array( $this, 'get_current_meta' ),
					'args'  => array(
						'meta_key' => array(
							'label'   => __( 'Meta field', 'jet-engine' ),
							'type'    => 'text',
							'default' => '',
						),
					),
				),
				'current_meta_string' => array(
					'label' => esc_html__( 'Current meta string', 'jet-engine' ),
					'cb'    => array( $this, 'get_current_meta_string' ),
					'args'  => array(
						'meta_key' => array(
							'label'   => __( 'Meta field', 'jet-engine' ),
							'type'    => 'text',
							'default' => '',
						),
					),
				),
				'related_parents_from' => array(
					'label' => esc_html__( 'Related parents from', 'jet-engine' ),
					'cb'    => array( $this, 'get_related_parents' ),
					'args'  => array(
						'post_type' => array(
							'label'   => __( 'Post type', 'jet-engine' ),
							'type'    => 'select',
							'options' => jet_engine()->listings->get_post_types_for_options(),
						),
					),
				),
				'related_children_from' => array(
					'label' => esc_html__( 'Related children from', 'jet-engine' ),
					'cb'    => array( $this, 'get_related_children' ),
					'args'  => array(
						'post_type' => array(
							'label'   => __( 'Post type', 'jet-engine' ),
							'type'    => 'select',
							'options' => jet_engine()->listings->get_post_types_for_options(),
						),
					),
				),
				'related_children_between' => array(
					'label' => esc_html__( 'Related children between', 'jet-engine' ),
					'cb'    => array( $this, 'get_related_children_between' ),
					'args'  => array(
						'post_type_1' => array(
							'label'   => __( 'Post type 1', 'jet-engine' ),
							'type'    => 'select',
							'options' => jet_engine()->listings->get_post_types_for_options(),
						),
						'post_type_2' => array(
							'label'   => __( 'Post type 2', 'jet-engine' ),
							'type'    => 'select',
							'options' => jet_engine()->listings->get_post_types_for_options(),
						),
					),
				),
				'queried_term' => array(
					'label' => esc_html__( 'Queried term', 'jet-engine' ),
					'cb'    => array( $this, 'get_queried_term' ),
				),
				'author_id' => array(
					'label' => esc_html__( 'Author ID', 'jet-engine' ),
					'cb'    => array( $this, 'get_post_author_id' ),
				),
				'queried_user_id' => array(
					'label' => esc_html__( 'Queried user ID', 'jet-engine' ),
					'cb'    => array( $this, 'get_queried_user_id' ),
				),
			) );
		}

		/**
		 * Get macros list for options.
		 *
		 * @return array
		 */
		public function get_macros_list_for_options() {
			$all = $this->get_all();
			$result = array();

			foreach ( $all as $key => $data ) {
				if ( is_array( $data ) ) {
					$result[ $key ] = ! empty( $data['label'] ) ? $data['label'] : $key;
				} else {
					$result[ $key ] = $key;
				}
			}

			return $result;
		}

		/**
		 * Return verbosed macros list
		 *
		 * @return [type] [description]
		 */
		public function verbose_macros_list() {

			$macros = $this->get_all();
			$result = '';
			$sep    = '';

			foreach ( $macros as $key => $data ) {
				$result .= $sep . '%' . $key . '%';
				$sep     = ', ';
			}

			return $result;

		}

		/**
		 * Returns queried term
		 *
		 * @return [type] [description]
		 */
		public function get_queried_term() {

			$current_object = jet_engine()->listings->data->get_current_object();

			if ( $current_object && 'WP_Term' === get_class( $current_object ) ) {
				return $current_object->term_id;
			} else {
				$queried_object = get_queried_object();

				if ( $queried_object && 'WP_Term' === get_class( $queried_object ) ) {
					return $queried_object->term_id;
				} else {
					return null;
				}

			}

			return null;

		}

		/**
		 * Returns ID of current post author
		 *
		 * @return [type] [description]
		 */
		public function get_post_author_id() {
			return get_the_author_meta( 'ID' );
		}

		/**
		 * Returns ID of the queried user
		 */
		public function get_queried_user_id() {
			
			$user = jet_engine()->listings->data->get_queried_user_object();

			if ( ! $user ) {
				return false;
			} else {
				return $user->ID;
			}

		}

		/**
		 * Can be used for meta query. Returns values of passed mata key for current post/term.
		 *
		 * @param  mixed  $field_value Field value.
		 * @param  string $meta_key    Metafield to get value from.
		 * @return mixed
		 */
		public function get_current_meta( $field_value = null, $meta_key = null ) {

			if ( ! $meta_key && ! empty( $field_value ) ) {
				$meta_key = $field_value;
			}

			if ( ! $meta_key ) {
				return '';
			}

			$object = jet_engine()->listings->data->get_current_object();

			if ( ! $object ) {
				return '';
			}

			$class  = get_class( $object );
			$result = '';

			switch ( $class ) {

				case 'WP_Post':
					return get_post_meta( $object->ID, $meta_key, true );

				case 'WP_Term':
					return get_term_meta( $object->term_id, $meta_key, true );

			}

		}

		/**
		 * Returns current meta value. For arrays implode it to coma separated string
		 *
		 * @return [type] [description]
		 */
		public function get_current_meta_string( $field_value = null, $meta_key = null ) {
			$meta = $this->get_current_meta( $field_value, $meta_key );
			return is_array( $meta ) ? implode( ', ', $meta ) : $meta;
		}

		/**
		 * Get current object ID
		 *
		 * @param  mixed  $field_value Field value.
		 * @return string
		 */
		public function get_current_id( $field_value = null ) {

			$object = jet_engine()->listings->data->get_current_object();

			if ( ! $object ) {
				return $field_value;
			}

			$class  = get_class( $object );
			$result = '';

			switch ( $class ) {
				case 'WP_Post':
					$result = $object->ID;
					break;

				case 'WP_Term':
					$result = $object->term_id;
					break;

				default:
					$result = apply_filters( 'jet-engine/listings/macros/current-id', $result, $object );
					break;
			}

			return $result;

		}

		/**
		 * Get current object title
		 *
		 * @return string
		 */
		public function get_title( $field_value = null ) {

			$object = jet_engine()->listings->data->get_current_object();

			if ( ! $object ) {
				return '';
			}

			$class  = get_class( $object );
			$result = '';

			switch ( $class ) {
				case 'WP_Post':
					$result = $object->post_title;
					break;

				case 'WP_Term':
					$result = $object->name;
					break;
			}

			return $result;

		}

		/**
		 * Returns comma-separated terms list of passed taxonomy assosiated with current post.
		 *
		 * @param  mixed  $field_value Field value.
		 * @param  string $taxonomy    Taxonomy name.
		 * @return string
		 */
		public function get_current_terms( $field_value, $taxonomy = null ) {