<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Log;
use PhpParser\Node\Expr\AssignOp\Mod;


class Group extends Model
{
    protected $table = "groups";
    public $timestamps = false;


    /**
     * 创建一个用户组，组名必填
     *
     * @param array $params
     * @return array|int
     */
    public function CreateGroup(array $params)
    {
        $this->name = $params["name"];
        $this->description = $params["description"];
        $this->icon = $params["icon"];
        $this->status = "normal";

        if ($this->name == "") {
            return ["code" => EMPTY_GROUP_NAME];
        }

        // check and isn't allowed same name of group
        $group = $this->where("name", $this->name)->where("is_del", false)->first();
        if ($group) {
            return ["code" => REPEAT_GROUP_NAME];
        }

        $this->save();
        $params["id"] = $this->getQueueableId();

        return ["code" => SUCCESS, "data" => $params];
    }

    public function ModifyGroup(array $params)
    {
        $update = [];
        $gid = $params["id"];
        if ($gid == "") {
            return EMPTY_GROUP_ID;
        }
        if ($params["name"] != "") {
            $update["name"] = $params["name"];
        }
        if ($params["description"] != "") {
            $update["description"] = $params["description"];
        }
        if ($params["icon"] != "") {
            $update["icon"] = $params["icon"];
        }
        if (count($update) == 0) {
            return NOTHING_UPDATE;
        }

        $group = $this->where("id", $gid)->where("is_del", false)->first();
        if (!$group) {
            return INVALID_GROUP_ID;
        }

        $this->where("id", $gid)->where("is_del", false)->update($update);
        return SUCCESS;
    }

    public function DeleteGroup(array $params)
    {
        $gid = $params["id"];
        if ($gid == "") {
            return EMPTY_GROUP_ID;
        }
        $row = $this->where("id", $gid)->where("is_del", false)->update(["is_del" => true]);
        if ($row == 0) {
            return INVALID_GROUP_ID;
        }
        return SUCCESS;
    }


//    public function LoadGroup(array $params){
//        $gid = $params["gid"];
//        if ($gid == ""){
//            return"empty group id";
//        }
//    }

    public function ListGroup(array $params)
    {
        $uid = $params["uid"];
        $groupUser = new GroupUser();
        $groupIds = $groupUser->ListGroupIds($uid);
        if (count($groupIds) == 0) {
            return [];
        }

        //
        $result = $this->select("id", "name", "description", "icon", "status")
            ->where("id", $groupIds)
            ->where("is_del", false)
            ->all();
        return $result;
    }
}