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<?php
namespace Jet_Engine\Query_Builder\Queries;

use Jet_Engine\Query_Builder\Manager;

class Posts_Query extends Base_Query {

use Traits\Meta_Query_Trait;

public $current_wp_query = null;

/**
	 * Returns queries items
	 *
	 * @return [type] [description]
	 */
	public function _get_items() {

$current_query = $this->get_current_wp_query();

$result = array();

if ( $current_query ) {
			$result = $current_query->posts;
		}

return $result;

}

public function get_current_wp_query() {

if ( null === $this->final_query ) {
			$this->setup_query();
		}

if ( null !== $this->current_wp_query ) {
			return $this->current_wp_query;
		}

$args = $this->final_query;

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

if ( ! empty( $args['tax_query'] ) ) {

$raw = $args['tax_query'];
			$args['tax_query'] = array();

if ( ! empty( $args['tax_query_relation'] ) ) {
				$args['tax_query']['relation'] = $args['tax_query_relation'];
			}

foreach ( $raw as $query_row ) {

// 'exclude_children' => true  is replaced to 'include_children' => false
				// 'exclude_children' => false is replaced to 'include_children' => true
				if ( isset( $query_row['exclude_children'] ) ) {
					$query_row['include_children'] = ! $query_row['exclude_children'];
					unset( $query_row['exclude_children'] );
				}

$args['tax_query'][] = $query_row;
			}

}

if ( ! empty( $args['orderby'] ) ) {

$raw = $args['orderby'];
			$args['orderby'] = array();

foreach ( $raw as $query_row ) {

if ( empty( $query_row ) ) {
					continue;
				}

switch ( $query_row['orderby'] ) {
					case 'meta_clause':

$clause_name = ! empty( $query_row['order_meta_clause'] ) ? $query_row['order_meta_clause'] : false;

if ( $clause_name ) {
							$args['orderby'][ $clause_name ] = $query_row['order'];
						}

break;

case 'meta_value_num':
					case 'meta_value':
						$args['orderby'][ $query_row['orderby'] ] = $query_row['order'];

if ( isset( $query_row['meta_key'] ) ) {
							$args['meta_key'] = $query_row['meta_key'];
						}

break;

default:
						$args['orderby'][ $query_row['orderby'] ] = $query_row['order'];
						break;
				}

}

} elseif ( isset( $args['orderby'] ) ) {
			unset( $args['orderby'] );
		}

if ( isset( $args['comment_count_value'] ) && '' !== $args['comment_count_value'] ) {

$value = absint( $args['comment_count_value'] );
			unset( $args['comment_count_value'] );

if ( ! empty( $args['comment_count_compare'] ) ) {
				$args['comment_count'] = array(
					'value'   => $value,
					'compare' => $args['comment_count_compare'],
				);
			} else {
				$args['comment_count'] = $value;
			}

}

$this->current_wp_query = new \WP_Query( $args );

return $this->current_wp_query;

}

public function get_current_items_page() {

$query = $this->get_current_wp_query();
		$page  = ! empty( $this->final_query['paged'] ) ? $this->final_query['paged'] : false;

if ( ! $page && ! empty( $this->final_query['page'] ) ) {
			$page = $this->final_query['page'];
		}

if ( ! $page && ! empty( $query->query_var['paged'] ) ) {
			$page = $query->query_var['paged'];
		}

if ( ! $page ) {
			$page = 1;
		}

return $page;

}

/**
	 * Returns total found items count
	 *
	 * @return [type] [description]
	 */
	public function get_items_total_count() {

$cached = $this->get_cached_data( 'count' );

if ( false !== $cached ) {
			return $cached;
		}

$query = $this->get_current_wp_query();

$this->update_query_cache( $query->found_posts, 'count' );

return $query->found_posts;

}

/**
	 * Returns count of the items visible per single listing grid loop/page
	 * @return [type] [description]
	 */
	public function get_items_per_page() {
		$query = $this->get_current_wp_query();
		return $query->query_vars['posts_per_page'];
	}

/**
	 * Returns queried items count per page
	 *
	 * @return [type] [description]
	 */
	public function get_items_page_count() {
		$query = $this->get_current_wp_query();
		return $query->post_count;
	}

/**
	 * Returns queried items pages count
	 *
	 * @return [type] [description]
	 */
	public function get_items_pages_count() {
		$query = $this->get_current_wp_query();
		return $query->max_num_pages;
	}

public function set_filtered_prop( $prop = '', $value = null ) {

switch ( $prop ) {

case '_page':
				$this->final_query['paged'] = $value;
				$this->final_query['page']  = $value;
				break;

case 'orderby':
			case 'order':
			case 'meta_key':
				$this->set_filtered_order( $prop, $value );
				break;

case 'meta_query':
				$this->replace_meta_query_row( $value );
				break;

default:
				$this->final_query[ $prop ] = $value;
				break;
		}

}

public function set_filtered_order( $key, $value ) {

if ( empty( $this->final_query['orderby'] ) || ! isset( $this->final_query['orderby']['custom'] ) ) {
			$this->final_query['orderby'] = array( 'custom' => array() );
		}

if ( 'orderby' === $key && is_array( $value ) ) {
			foreach ( $value as $orderby => $order ) {
				$this->final_query['orderby'][] = array(
					'orderby' => $orderby,
					'order'   => $order,
				);
			}
		} else {
			$this->final_query['orderby']['custom'][ $key ] = $value;
		}

}

/**
	 * Array of arguments where string should be exploded into array
	 *
	 * @return [type] [description]
	 */
	public function get_args_to_explode() {
		return array(
			'post_parent__in',
			'post_parent__not_in',
			'post__in',
			'post__not_in',
			'post_name__in',
			'author__in',
			'author__not_in',
		);
	}

}