<?php
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Get the list of attachments for a post.
 *
 * @param int $post_id topic or reply ID to get attachments for
 *
 * @return array list of attachments objects
 */
function bbpc_get_post_attachments( $post_id ) {
	$args = [
		'post_type'   => 'attachment',
		'numberposts' => -1,
		'post_status' => null,
		'post_parent' => $post_id,
		'orderby'     => 'ID',
		'order'       => 'ASC',
	];

	return get_posts( $args );
}

/**
 * Count attachments for the forum topic. It can include topic replies in the count.
 *
 * @param int  $topic_id        id of the topic to count attachments for
 * @param bool $include_replies true, to include reply attachments
 *
 * @return int number of attachments
 */
function bbpc_topic_attachments_count( $topic_id, $include_replies = false ) {
	global $wpdb;

	$sql = 'select ID from ' . $wpdb->posts . ' where post_parent = ' . $topic_id . " and post_type = 'attachment'";

	if ( $include_replies ) {
		$sql = '(' . $sql . ') union (select ID from ' . $wpdb->posts . ' where post_parent in (select ID from ' . $wpdb->posts . ' where post_parent = ' . $topic_id . " and post_type = 'reply') and post_type = 'attachment')";
	}

	$attachments = $wpdb->get_results( $sql );
	return count( $attachments );
}

/**
 * Handle upload file error.
 *
 * @param string $file    file with error
 * @param string $message error message
 *
 * @return WP_Error error message
 */
function bbpc_bbattachment_handle_upload_error( &$file, $message ) {
	return new WP_Error( 'wp_upload_error', $message );
}

/**
 * Get current page forum ID. Handles the edge cases with the edit forms.
 *
 * @return int
 */
function bbpc_get_forum_id() {
	$forum_id = bbp_get_forum_id();

	if ( $forum_id == 0 ) {
		if ( bbp_is_topic_edit() ) {
			$topic_id = bbp_get_topic_id();
			$forum_id = bbp_get_topic_forum_id( $topic_id );
		} elseif ( bbp_is_reply_edit() ) {
			$reply_id = bbp_get_reply_id();
			$forum_id = bbp_get_reply_forum_id( $reply_id );
		}
	}

	return $forum_id;
}

function bbpc_bba_o( $name ) {
	return BBPCATTCore::instance()->o[ $name ];
}