<?php
namespace Base\Service;

use Base\Facade\Request;

class AdminNoticeService
{
    public function accept($uid)
	{
        $notices = M('admin_notice','tab_')
            ->where([
                'start_time' => ['elt', time()],
                'end_time' => ['egt', time()], 
                '_string' => 'concat(",", admin_ids, ",") like "%,' . $uid . ',%"'
            ])
            ->getField('id', true);
        if (empty($notices) || count($notices) == 0) {
            return;
        }

        $readNotices = M('admin_notice_read', 'tab_')->where(['admin_id' => $uid, 'notice_id' => ['in', $notices]])->getField('notice_id', true);
        $unreadNotices = $readNotices ? array_diff($notices, $readNotices) : $notices;

        $records = [];
        foreach ($unreadNotices as $noticeId) {
            $records[] = [
                'notice_id' => $noticeId,
                'admin_id' => $uid,
                'create_time' => time(),
                'update_time' => time()
            ];
        }
        M('admin_notice_read', 'tab_')->addAll($records);
    }

    public function read($id)
    {
        M('admin_notice_read', 'tab_')->where(['id' => $id])->save(['status' => 1, 'update_time' => time()]);
    }

    public function delete($id)
    {
        M('admin_notice_read', 'tab_')->where(['id' => $id])->save(['status' => 2, 'update_time' => time()]);
    }

    public function getAdminNotices($uid)
    {
        $items = M('admin_notice_read', 'tab_')->field(['notice_id', 'status'])->where(['admin_id' => $uid, 'status' => ['in', [0, 1]]])->order('create_time desc')->select();
        if (empty($items) || count($items) == 0) {
            return [];
        }
        $ids = array_column($items, 'notice_id');
        $notices = M('admin_notice','tab_')
            ->where([
                'id' => ['in', $ids],
                'start_time' => ['elt', time()],
                'end_time' => ['egt', time()], 
            ])
            ->select();
        
        if ($notices) {
            $notices = index_by_column('id', $notices);
        }
        
        $records = [];
        foreach ($items as $item) {
            $notice = $notices[$item['notice_id']] ?? null;
            if (is_null($notice)) {
                continue;
            }
            $records[] = [
                'id' => $item['notice_id'],
                'status' => $item['status'],
                'type' => $notice['type'],
                'content' => $notice['content'],
                'title' => $notice['title'],
                'target' => $notice['target'],
            ];
        }
        return $records;
    }
}