<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Word extends Model
{
    /**
     * Indicates if the model should be timestamped.
     *
     * @var bool
     */
    public $timestamps = false;

    /**
     * Get the route key for the model.
     *
     * @return string
     */
    public function getRouteKeyName()
    {
        return 'uuid';
    }

    static public function boot()
    {
        static::saving(function($model) {
            $model->uuid = substr(base64_encode($model->value), 0, 10);
        });

        parent::boot();
    }

    /**
     * Return a random row from the table.
     *
     * @var mixed $exclude   uuid's of rows that should be excluded.
     */
    static public function getRandom($exclude = [])
    {
        $q = self::inRandomOrder();

        if (!is_array($exclude)) {
            $exclude = [ $exclude ];
        }

        if (count($exclude) > 0) {
            $q->whereNotIn("uuid", $exclude);
        }
        return $q->first();
    }
}