<?php
/**
 * Sensor: Comments
 *
 * Comments sensor class file.
 *
 * @since     4.6.0
 * @package   wsal
 * @subpackage sensors
 */

declare(strict_types=1);

namespace WSAL\WP_Sensors;

use WSAL\Helpers\User_Helper;
use WSAL\Controllers\Alert_Manager;

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( '\WSAL\WP_Sensors\WP_Comments_Sensor' ) ) {

	/**
	 * Provides logging functionality for the comments
	 *
	 * @since 4.5.0
	 */
	class WP_Comments_Sensor {

		/**
		 * Is that a frontend sensor or not?
		 * Sensors doesn't need to have this property, except where they explicitly have to set that value.
		 *
		 * @var boolean
		 *
		 * @since 4.5.0
		 */
		private static $frontend_sensor = true;

		/**
		 * Inits the main hooks
		 *
		 * @return void
		 *
		 * @since 4.5.0
		 */
		public static function init() {
			\add_action( 'edit_comment', array( __CLASS__, 'event_comment_edit' ), 10, 1 );
			\add_action( 'transition_comment_status', array( __CLASS__, 'event_comment_approve' ), 10, 3 );
			\add_action( 'spammed_comment', array( __CLASS__, 'event_comment_spam' ), 10, 1 );
			\add_action( 'unspammed_comment', array( __CLASS__, 'event_comment_unspam' ), 10, 1 );
			\add_action( 'trashed_comment', array( __CLASS__, 'event_comment_trash' ), 10, 1 );
			\add_action( 'untrashed_comment', array( __CLASS__, 'event_comment_untrash' ), 10, 1 );
			\add_action( 'deleted_comment', array( __CLASS__, 'event_comment_deleted' ), 10, 1 );
			\add_action( 'comment_post', array( __CLASS__, 'event_comment' ), 10, 3 );
		}

		/**
		 * Is that a front end sensor? The sensors doesn't need to have that method implemented, except if they want to specifically set that value.
		 *
		 * @return boolean
		 *
		 * @since 4.5.0
		 */
		public static function is_frontend_sensor() {
			return self::$frontend_sensor;
		}

		/**
		 * Trigger comment edit.
		 *
		 * @param integer $comment_id - Comment ID.
		 *
		 * @since 4.5.0
		 */
		public static function event_comment_edit( $comment_id ) {
			self::event_generic( $comment_id, 2093 );
		}

		/**
		 * Trigger comment status.
		 *
		 * @param string    $new_status - New status.
		 * @param string    $old_status - Old status.
		 * @param \stdClass $comment - Comment.
		 *
		 * @since 4.5.0
		 */
		public static function event_comment_approve( $new_status, $old_status, $comment ) {
			if ( ! empty( $comment ) && $old_status !== $new_status ) {
				$post         = get_post( $comment->comment_post_ID );
				$comment_link = get_permalink( $post->ID ) . '#comment-' . $comment->comment_ID;
				$fields       = array(
					'PostTitle'     => $post->post_title,
					'PostID'        => $post->ID,
					'PostType'      => $post->post_type,
					'PostStatus'    => $post->post_status,
					'CommentID'     => $comment->comment_ID,
					'CommentStatus' => \wp_get_comment_status( (int) $comment->comment_ID ),
					'Author'        => $comment->comment_author,
					'Date'          => $comment->comment_date,
					'CommentLink'   => '<a target="_blank" href="' . $comment_link . '">' . $comment->comment_date . '</a>',
				);

				if ( 'approved' === $new_status ) {
					Alert_Manager::trigger_event( 2090, $fields );
				}
				if ( 'unapproved' === $new_status ) {
					Alert_Manager::trigger_event( 2091, $fields );
				}
			}
		}

		/**
		 * Trigger comment spam.
		 *
		 * @param integer $comment_id - Comment ID.
		 *
		 * @since 4.5.0
		 */
		public static function event_comment_spam( $comment_id ) {
			self::event_generic( $comment_id, 2094 );
		}

		/**
		 * Trigger comment unspam.
		 *
		 * @param integer $comment_id - Comment ID.
		 *
		 * @since 4.5.0
		 */
		public static function event_comment_unspam( $comment_id ) {
			self::event_generic( $comment_id, 2095 );
		}

		/**
		 * Trigger comment trash.
		 *
		 * @param integer $comment_id - Comment ID.
		 *
		 * @since 4.5.0
		 */
		public static function event_comment_trash( $comment_id ) {
			self::event_generic( $comment_id, 2096 );
		}

		/**
		 * Trigger comment untrash.
		 *
		 * @param integer $comment_id comment ID.
		 *
		 * @since 4.5.0
		 */
		public static function event_comment_untrash( $comment_id ) {
			self::event_generic( $comment_id, 2097 );
		}

		/**
		 * Trigger comment deleted.
		 *
		 * @param integer $comment_id comment ID.
		 *
		 * @since 4.5.0
		 */
		public static function event_comment_deleted( $comment_id ) {
			self::event_generic( $comment_id, 2098 );
		}

		/**
		 * Fires immediately after a comment is inserted into the database.
		 *
		 * @param int        $comment_id       The comment ID.
		 * @param int|string $comment_approved 1 if the comment is approved, 0 if not, 'spam' if spam.
		 * @param array      $comment_data     Comment data.
		 *
		 * @since 4.5.0
		 */
		public static function event_comment( $comment_id, $comment_approved, $comment_data ) {
			// Check if the comment is response to another comment.
			if ( isset( $comment_data['comment_parent'] ) && $comment_data['comment_parent'] ) {
				self::event_generic( $comment_id, 2092 );
				return;
			}

			$comment = get_comment( $comment_id );
			if ( $comment ) {
				if ( 'spam' !== $comment->comment_approved ) {
					$post         = get_post( $comment->comment_post_ID );
					$comment_link = get_permalink( $post->ID ) . '#comment-' . $comment_id;
					$fields       = array(
						'PostTitle'     => $post->post_title,
						'PostID'        => $post->ID,
						'PostType'      => $post->post_type,
						'PostStatus'    => $post->post_status,
						'CommentID'     => $comment->comment_ID,
						'CommentStatus' => \wp_get_comment_status( (int) $comment->comment_ID ),
						'Date'          => $comment->comment_date,
						'CommentLink'   => $comment_link,
					);

					// Get user data.
					$user_data = get_user_by( 'email', $comment->comment_author_email );

					if ( $user_data && $user_data instanceof \WP_User ) {
						// Get user roles.
						$user_roles = User_Helper::get_user_roles( $user_data );

						// Set the fields.
						$fields['Username']         = $user_data->user_login;
						$fields['CurrentUserRoles'] = $user_roles;
						Alert_Manager::trigger_event( 2099, $fields );
					}
				}
			}
		}

		/**
		 * Trigger generic event.
		 *
		 * @param integer $comment_id - Comment ID.
		 * @param integer $alert_code - Event code.
		 *
		 * @since 4.5.0
		 */
		private static function event_generic( $comment_id, $alert_code ) {
			$comment = get_comment( $comment_id );
			if ( $comment ) {
				$post         = get_post( $comment->comment_post_ID );
				$comment_link = get_permalink( $post->ID ) . '#comment-' . $comment_id;
				$fields       = array(
					'PostTitle'          => $post->post_title,
					'PostID'             => $post->ID,
					'PostType'           => $post->post_type,
					'PostStatus'         => $post->post_status,
					'CommentID'          => $comment->comment_ID,
					'CommentStatus'      => \wp_get_comment_status( (int) $comment->comment_ID ),
					'Author'             => $comment->comment_author,
					'Date'               => $comment->comment_date,
					'CommentLink'        => '<a target="_blank" href="' . $comment_link . '">' . $comment->comment_date . '</a>',
					'CommentLinkWpAdmin' => admin_url( 'comment.php?action=editcomment&c=' . $comment->comment_ID ),
				);

				if ( 'shop_order' !== $post->post_type && ( property_exists( $comment, 'comment_type' ) && 'order_note' !== $comment->comment_type ) ) {
					Alert_Manager::trigger_event( $alert_code, $fields );
				}
			}
		}
	}
}
