<?php

namespace Give\TestData\Framework\Provider;

class RandomCurrency extends RandomProvider
{

    /** @var array [currencyCode, ... ] */
    protected $currencies = [
        'EUR',
        'CAD',
        'USD',
    ];

    public function __invoke()
    {
        $count = count($this->currencies);
        $index = $this->faker->biasedNumberBetween(0, $count - 1, $function = 'sqrt');

        return $this->currencies[$index];
    }
}