<?php
/**
 * This class is for elaborate te arguments from widget or shortcode and then return an HTML for display the posts/page result.
 *
 * @package Query_Posts
 * @version 1.0
 * @since   2.0
 */

namespace ItalyStrap\Query;

use \WP_Query;

/**
 * Query Class for widget and shortcode
 */
class Product extends Query {

	/**
	 * Constructor.
	 *
	 * @param WP_Query $query The standard query of WordPress.
	 */
	// function __construct( WP_Query $query ) {

	// 	$this->query = $query;

	// 	global $post;
	// 	$this->post = $post;

	// 	if ( ! isset( self::$sticky_posts ) ) {
	// 		self::$sticky_posts = get_option( 'sticky_posts' );
	// 	}

	// }

	/**
	 * Initialize the repository.
	 *
	 * @uses PHP 5.3
	 *
	 * @return self
	 */
	public static function init() {

		return new self( new WP_Query() );

	}

	/**
	 * Get shortcode attributes.
	 *
	 * @param  array $args The carousel attribute.
	 * @return array Mixed array of shortcode attributes.
	 */
	public function get_attributes( $args ) {

		/**
		 * Define data by given attributes.
		 */
		$args = \ItalyStrap\Core\shortcode_atts_multidimensional_array( require( ITALYSTRAP_PLUGIN_PATH . 'config/posts.php' ), $args, 'query_posts' );

		$args = apply_filters( 'italystrap_query_posts_args', $args );

		return $args;

	}

	/**
	 * Output the query result
	 *
	 * @return string The HTML result
	 */
	public function output() {

		/**
		 * Get the current post id
		 *
		 * @var int
		 */
		$current_post_id = is_object( $this->post ) ? $this->post->ID : '';

		if ( ! empty( $this->args['exclude_current_post'] ) ) {
			$this->posts_to_exclude[] = (int) $current_post_id;
		}

		/**
		 * I filtri 'excerpt_more' e 'excerpt_length' sono commentati perché
		 * causavano dei conflitti scoperti inserendo get_the_excerpt in un template
		 * di WooCommerce, fare ulteriori test ma non credo che siano da usare
		 * qui poiché le impostazioni di un widget non dovrebbero sovrascrivere
		 * quelle del tema.
		 * @see Posts::get_query_args();
		 * @see Product::get_query_args();
		 */

		/**
		 * Excerpt more filter
		 *
		 * @var function
		 */
		// $new_excerpt_more = function ( $more ) {
		// 	return '...';
		// };
		// add_filter( 'excerpt_more', $new_excerpt_more );

		/**
		 * Excerpt length filter
		 *
		 * @var functions
		 */
		// if ( $this->args['excerpt_length'] > 0 ) {
		// 	add_filter( 'excerpt_length', function ( $length ) {
		// 		return $this->args['excerpt_length'];
		// 	} );
		// }

		/**
		 * $class = $this->args['widget_class'];
		 * var_dump($this->args['post_types']);
		 * var_dump(get_users());
		 */

		/**
		 * Arguments for WP_Query
		 *
		 * @var array
		 */
		$args = array(
			'posts_per_page'			=> $this->args['posts_number'] + count( $this->posts_to_exclude ),
			'order'						=> $this->args['order'],
			'orderby'					=> $this->args['orderby'],
			'post_type'					=> ( empty( $this->args['post_types'] ) ? 'post' : explode( ',', $this->args['post_types'] ) ),
			'no_found_rows'				=> true,
			'update_post_term_cache'	=> false,
			'update_post_meta_cache'	=> false,
			// 'product_tag'				=> 'tag',
			// 'product_cat'				=> 'tag',
			'tax_query' 			=> array(
				array(
					'taxonomy' 		=> 'product_tag',
					'terms' 	=> array( '226' ),
					// 'field' 	=> 'slug',
					// 'operator' 	=> 'IN'
				)
			),
		);

		/**
		 * Display per post/page ID
		 */
		if ( ! empty( $this->args['post_id'] ) ) {

			$args['post__in'] = explode( ',', $this->args['post_id'] );

			/**
			 * This delete last comma in case the input is like 1,2,
			 */
			$args['post__in'] = array_filter( $args['post__in'] );

			/**
			 * Convert array value from string to integer
			 */
			$args['post__in'] = array_map( 'absint', $args['post__in'] );

		}

		/**
		 * Sticky posts.
		 */
		if ( 'only' === $this->args['sticky_post'] ) {

			$args['post__in'] = self::$sticky_posts;

		} elseif ( 'hide' === $this->args['sticky_post'] ) {

			$args['ignore_sticky_posts'] = true;

		} else {

			$args['posts_per_page'] -= count( self::$sticky_posts );

		}

		/**
		 * Show the posts with tags selected
		 */
		if ( ! empty( $this->args['tags'] ) ) {
			$args['tag__in'] = $this->args['tags'];
			$args['update_post_term_cache'] = true;
		}

		/**
		 * Show related posts by tags
		 * You can also select more tags to filter other than the tags assigned to post.
		 */
		if ( ! empty( $this->args['related_by_tags'] ) ) {

			$tags = wp_get_post_terms( $this->post->ID );

			if ( $tags ) {
				$count = count( $tags );
				for ( $i = 0; $i < $count; $i++ ) {
					$first_tag[] = $tags[ $i ]->term_id;
				}
				$args['tag__in'] = array_merge( $first_tag, (array) $this->args['tags'] );
				$args['tag__in'] = array_flip( array_flip( $args['tag__in'] ) );
				$args['update_post_term_cache'] = true;
			}
		}

		/**
		 * Show the posts with cats selected
		 */
		if ( ! empty( $this->args['cats'] ) ) {
			$args['category__in'] = $this->args['cats'];
			$args['update_post_term_cache'] = true;
		}

		/**
		 * Show related posts by cats
		 * You can also select more cats to filter other than the cats assigned to post.
		 */
		if ( ! empty( $this->args['related_by_cats'] ) ) {

			$cats = wp_get_post_terms( $this->post->ID, 'category' );

			if ( $cats ) {
				$count = count( $cats );
				for ( $i = 0; $i < $count; $i++ ) {
					$first_cat[] = $cats[ $i ]->term_id;
				}
				$args['category__in'] = array_merge( $first_cat, (array) $this->args['cats'] );
				$args['category__in'] = array_flip( array_flip( $args['category__in'] ) );
				$args['update_post_term_cache'] = true;
			}
		}
// var_dump($this->args['from_current_user']);
		/**
		 * Show posts only from current user.
		 */
		if ( ! empty( $this->args['from_current_user'] ) ) {

			$current_user = wp_get_current_user();

			if ( isset( $current_user->ID ) ) {
				$args['author'] = $current_user->ID;
			}
		}

		if ( 'meta_value' === $this->args['orderby'] ) {
			$args['meta_key'] = $this->args['meta_key'];
		}

		$args = apply_filters( 'italystrap_widget_query_args', $args );
// var_dump( $args );
		$this->query->query( $args );

		ob_start();

		// include $this->get_template_part();
		include get_template( '/templates/content-post.php' );

		wp_reset_postdata();

		$output = ob_get_contents();
		ob_end_clean();

		return $output;

	}
}