<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;

class GroupUser extends Model
{
    protected $table = "group_users";
    public $timestamps = false;

    protected $fillable = ["group_id", "user_id"];

    /**
     * todo
     * 这里需要分页,也可能需要根据群组的状态排序，后面再处理
     * 列出用户相关的群组
     *
     * @param $uid
     * @return array
     */
    public function ListGroupIds($uid)
    {
        $groups = $this->select("group_id")->where("user_id", $uid)->where("is_del", false)->all();
        $group_ids = [];
        foreach ($groups as $group) {
            array_push($group_ids, $group->group_id);
        }
        return $group_ids;
    }

    public function GroupAddUser($gid, $uid)
    {
        if ($gid == "") {
            return ["code" => EMPTY_GROUP_ID];
        }
        if ($uid == "") {
            return ["code" => EMPTY_USER_ID];
        }

        $result = $this->firstOrCreate(["group_id" => $gid, "user_id" => $uid, "is_del" => false]);
        unset($result["is_del"]);
        unset($result["created_user_id"]);
        unset($result["updated_user_id"]);
        return ["code" => SUCCESS, "data" => $result];
    }

    public function GroupRemoveUser($id)
    {
        if ($id < 1) {
            return INVALID_GROUP_USER_ID;
        }
        $row = $this->where("id", $id)->where("is_del", false)->update(["is_del" => true]);
        if ($row == 0) {
            return INVALID_GROUP_USER_ID;
        }
        return SUCCESS;
    }


}