<?php

class FollowSrv
{
    /**
     * @param array $data
     * @param string $table
     * @param array $users [1 => ['username' => 'xxx', ...] ... ]
     */
    public static function formatWithFollowList(array $data, string $table, array $users)
    {
        $followIds = [];
        foreach ($data as &$record) {
            $record['follow_ids'] = $record['follow_ids'] ? explode(',', $record['follow_ids']) : [];
            rsort($record['follow_ids']);
            $record['follow_ids'] = array_slice($record['follow_ids'], 0, 5);
            $followIds = Helper::concatArray($followIds, $record['follow_ids']);
            $record['follow_list'] = [];
        }
        if ($followIds) {
            $follows = Helper::arrayColumn(
                DB::getListWithCriteria($table, DbCriteria::simpleCompare([
                    'id' => $followIds
                ])->setSelect('id, detail, user_id, create_date')),
                null,
                'id'
            );
            foreach ($data as &$record) {
                foreach ($record['follow_ids'] as $followId) {
                    if (isset($follows[$followId])) {
                        $followInfo = $follows[$followId];
                        $followInfo['avatar'] = !empty($users[$followInfo['user_id']]['avatar']) ? $users[$followInfo['user_id']]['avatar'] : '/zqcrm/avatar/20250926/9PLsci1dwXLcb8Iw.jpg';
                        $followInfo['avatar'] = Helper::getImageUrl($followInfo['avatar'], '', 1);
                        $followInfo['detail'] = strip_tags($followInfo['detail']);
                        $followInfo['username'] = $users[$followInfo['user_id']]['username'] ?? '';
                        $record['follow_list'][] = $followInfo;
                    }
                }
                unset($record['follow_ids']);
            }
        }
        return $data;
    }
}