<?php

namespace app\common\service;

use app\common\validate\MessageNotificationsValidate;
use app\common\traits\crud\CrudServiceTrait;
use app\common\model\MessageNotifications;
use app\common\model\User;
use support\Db;

class MessageNotificationsService
{

    use CrudServiceTrait;

    /**
     * 指定当前要操作的模型
     */
    protected string $modelClass = MessageNotifications::class;

    /**
     * 验证器
     */
    protected $validator = MessageNotificationsValidate::class;

    /**
     * 获取验证器
     */
    public function getValidator()
    {
        return  new $this->validator;
    }


    /**
     * 创建一条消息
     */
    public function createMessage(array $data): int
    {
        $msgId = Db::table('message_notifications')->insertGetId([
            'msg_no'      => generateMsgId(),
            'sender_id'   => $data['sender_id'],
            'sender_type' => $data['sender_type'],
            'title'       => $data['title'],
            'content'     => $data['content'],
            'scene'       => $data['scene'],
            'recipient'   => $data['recipient'],
            'created_at'  => time(),
        ]);

        return $msgId;
    }

    /**
     * 批量插入用户消息状态
     */
    public function addUserStatus(int $msgId, array $uids)
    {
        $rows = [];
        foreach ($uids as $uid) {
            $rows[] = [
                'msg_id'  => $msgId,
                'uid'     => $uid,
                'status'  => 0,
                'read_at' => null
            ];
        }
        if ($rows) {
            Db::table('message_user_status')->insert($rows);
        }
    }

    /**
     * 标记消息已读
     */
    public function markAsRead(array|string $msgIds, int $uid)
    {
        $query = Db::table('message_user_status')->where('uid', $uid);
        if (is_array($msgIds)) {
            $query->whereIn('msg_id', $msgIds);
        }
        return $query->update([
            'status'  => 1,
            'read_at' => time()
        ]);
    }

    /**
     * 获取所有用户ID
     */
    public function getAllUserIds(): array
    {
        return User::where('status', 1)->pluck('id')->toArray();
    }
}