<?php

/**
 * Class Opalestate_Rating_Init
 */
class Opalestate_Rating_Init {
	/**
	 * @var string
	 */
	protected $cpt_support;

	/**
	 * @var string
	 */
	protected $cpt_feature;

	/**
	 * @var string
	 */
	protected $meta_prefix;

	/**
	 * Opalestate_Rating_Init constructor.
	 *
	 * @param string $cpt_support Custom post type supported name
	 * @param string $cpt_feature Custom post type feature rating name
	 * @param string $meta_prefix Meta data prefix.
	 */
	public function __construct( $cpt_support, $cpt_feature, $meta_prefix ) {
		$this->cpt_support = $cpt_support;
		$this->cpt_feature = $cpt_feature;
		$this->meta_prefix = $meta_prefix;

		// Check comment fields.
		add_filter( 'comments_open', [ $this, 'comments_open' ], 10, 2 );
		add_filter( 'preprocess_comment', [ $this, 'check_comment_rating' ], 0 );

		// Add comment rating.
		add_action( 'comment_post', [ $this, 'add_comment_rating' ], 1 );

		// Clear transients.
		add_action( 'wp_update_comment_count', [ $this, 'clear_transients' ] );

		// Support avatars for `review` comment type.
		add_filter( 'get_avatar_comment_types', [ $this, 'add_avatar_for_review_comment_type' ] );

		// Set comment type.
		add_filter( 'preprocess_comment', [ $this, 'update_comment_type' ], 1 );

		// Remove comment meta boxes.
		add_action( 'admin_menu', [ $this, 'remove_meta_boxes' ] );

		// Clean
		add_action( 'trashed_post', [ $this, 'trash_feature' ] );
		add_action( 'untrashed_post', [ $this, 'trash_feature' ] );
		add_action( 'delete_post', [ $this, 'clear_meta' ] );
	}

	/**
	 * Gets comment type.
	 *
	 * @return string
	 */
	public function get_comment_type() {
		return str_replace( 'opalestate_', '', $this->cpt_support ) . '_review';
	}

	/**
	 * See if comments are open.
	 *
	 * @param bool $open    Whether the current post is open for comments.
	 * @param int  $post_id Post ID.
	 * @return bool
	 */
	public function comments_open( $open, $post_id ) {
		if ( $this->cpt_support === get_post_type( $post_id ) && ! post_type_supports( $this->cpt_support, 'comments' ) ) {
			$open = false;
		}

		return $open;
	}

	/**
	 * Validate the comment ratings.
	 *
	 * @param array $comment_data Comment data.
	 * @return array
	 */
	public function check_comment_rating( $comment_data ) {
		// If posting a comment (not trackback etc) and not logged in.
		$features = Opalestate_Rating_Helper::get_features( $this->cpt_feature );
		if ( $features ) {
			foreach ( $features as $feature_slug => $feature_title ) {
				$post = $this->cpt_feature . '_' . $feature_slug;
				if ( ! is_admin() && isset( $_POST['comment_post_ID'], $_POST[ $post ], $comment_data['comment_type'] ) && $this->cpt_support === get_post_type( absint( $_POST['comment_post_ID'] ) ) && empty( $_POST[ $post ] ) && '' === $comment_data['comment_type'] ) { // WPCS: input var ok, CSRF ok.
					wp_die( esc_html__( 'Please rate all features.', 'opalestate-pro' ) );
					exit;
				}
			}
		} else {
			if ( ! is_admin() && isset( $_POST['comment_post_ID'], $_POST['opalestate_rating'], $comment_data['comment_type'] ) && $this->cpt_support === get_post_type( absint( $_POST['comment_post_ID'] ) ) && empty( $_POST['opalestate_rating'] ) && '' === $comment_data['comment_type'] ) { // WPCS: input var ok, CSRF ok.
				wp_die( esc_html__( 'Please rate.', 'opalestate-pro' ) );
				exit;
			}
		}

		return $comment_data;
	}

	/**
	 * Rating field for comments.
	 *
	 * @param int $comment_id Comment ID.
	 */
	public function add_comment_rating( $comment_id ) {
		if ( ! isset( $_POST['comment_post_ID'] ) || ( $this->cpt_support !== get_post_type( absint( $_POST['comment_post_ID'] ) ) ) ) {
			return;
		}

		$features = Opalestate_Rating_Helper::get_features( $this->cpt_feature );
		if ( $features ) {
			foreach ( $features as $feature_slug => $feature_title ) {
				$post = $this->cpt_feature . '_' . $feature_slug;
				if ( isset( $_POST[ $post ] ) ) {
					if ( ! $_POST[ $post ] || $_POST[ $post ] > 5 || $_POST[ $post ] < 0 ) { // WPCS: input var ok, CSRF ok, sanitization ok.
						continue;
					}
					add_comment_meta( $comment_id, $post, intval( $_POST[ $post ] ), true ); // WPCS: input var ok, CSRF ok.
				}
			}
		} else {
			if ( isset( $_POST['opalestate_rating'] ) ) { // WPCS: input var ok, CSRF ok.
				if ( ! $_POST['opalestate_rating'] || $_POST['opalestate_rating'] > 5 || $_POST['opalestate_rating'] < 0 ) { // WPCS: input var ok, CSRF ok, sanitization ok.
					return;
				}
				add_comment_meta( $comment_id, 'opalestate_rating', intval( $_POST['opalestate_rating'] ), true ); // WPCS: input var ok, CSRF ok.
			}
		}

		$post_id = isset( $_POST['comment_post_ID'] ) ? absint( $_POST['comment_post_ID'] ) : 0; // WPCS: input var ok, CSRF ok.
		if ( $post_id ) {
			$this->clear_transients( $post_id );
		}
	}

	/**
	 * Make sure WP displays avatars for comments with the `$this->cpt_support` type.
	 *
	 * @param array $comment_types Comment types.
	 * @return array
	 */
	public function add_avatar_for_review_comment_type( $comment_types ) {
		return array_merge( $comment_types, [ $this->get_comment_type() ] );
	}

	/**
	 * Ensure property average rating and review count is kept up to date.
	 *
	 * @param int $post_id Post ID.
	 */
	public function clear_transients( $post_id ) {
		if ( $this->cpt_support === get_post_type( $post_id ) ) {
			do_action( 'opalestate_rating_before_clear_transients', $post_id, $this->cpt_support, $this->cpt_feature );

			update_post_meta( $post_id, $this->meta_prefix . 'rating_count', Opalestate_Rating_Helper::get_rating_counts_for_post( $post_id, $this->cpt_feature ) );
			update_post_meta( $post_id, $this->meta_prefix . 'average_rating', Opalestate_Rating_Helper::get_average_rating_for_post( $post_id, $this->cpt_feature ) );
			update_post_meta( $post_id, $this->meta_prefix . 'review_count', Opalestate_Rating_Helper::get_review_count_for_post( $post_id ) );
			update_post_meta( $post_id, $this->meta_prefix . 'rating_count_stats', Opalestate_Rating_Helper::get_rating_count_stats_for_post( $post_id, $this->cpt_feature ) );
			update_post_meta( $post_id, $this->meta_prefix . 'rating_average_stats', Opalestate_Rating_Helper::get_rating_average_stats_by_features_for_post( $post_id, $this->cpt_feature,
				$this->meta_prefix ) );

			do_action( 'opalestate_rating_after_clear_transients', $post_id, $this->cpt_support, $this->cpt_feature );
		}
	}

	/**
	 * Update comment type of property reviews.
	 *
	 * @param array $comment_data Comment data.
	 * @return array
	 */
	public function update_comment_type( $comment_data ) {
		if ( ! is_admin() && isset( $_POST['comment_post_ID'], $comment_data['comment_type'] ) && '' === $comment_data['comment_type'] && $this->cpt_support === get_post_type( absint( $_POST['comment_post_ID'] ) ) ) { // WPCS: input var ok, CSRF ok.
			$comment_data['comment_type'] = $this->get_comment_type();
		}

		return $comment_data;
	}

	public function remove_meta_boxes() {
		// remove_meta_box( 'commentstatusdiv', $this->cpt_support, 'normal' );
		remove_meta_box( 'commentsdiv', $this->cpt_support, 'normal' );
	}

	public function trash_feature( $id ) {
		if ( ! $id ) {
			return;
		}

		$post_type = get_post_type( $id );

		if ( $post_type !== $this->cpt_feature ) {
			return;
		}

		$this->clean_and_recal();
	}

	public function clear_meta( $id ) {
		if ( ! current_user_can( 'delete_posts' ) || ! $id ) {
			return;
		}

		$post_type = get_post_type( $id );

		if ( $post_type !== $this->cpt_feature ) {
			return;
		}

		global $wpdb;
		$feature = get_post( $id );
		if ( ! $feature ) {
			return;
		}

		$meta_key = $this->cpt_feature . '_' . str_replace( '__trashed', '', $feature->post_name );
		if ( $meta_key && ( 0 !== $meta_key ) ) {
			$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->commentmeta} WHERE meta_key = %s;", $meta_key ) );
		}

		$this->clean_and_recal();
	}

	protected function clean_and_recal() {
		$posts = get_posts( [
			'post_type'      => $this->cpt_support,
			'posts_per_page' => -1,
			'post_status'    => 'any',
		] );

		foreach ( $posts as $post ) {
			$this->clear_transients( $post->ID );
		}
	}
}