<?php

namespace com\fwdekker\deathnotifier\validator;


/**
 * Verifies that the input is set.
 */
class IsSetRule extends Rule
{
    /**
     * Verifies that the input is set.
     *
     * @param array<int|string, mixed> $inputs the list of inputs in which the value at `key` should be checked
     * @param string $key the key in `inputs` of the input to check
     * @return void if `$inputs[$key]` is set
     * @throws InvalidInputException if `$inputs[$key]` is not set
     */
    public function check(array $inputs, string $key): void
    {
        if (!isset($inputs[$key]))
            throw new InvalidInputException(
                $this->override_message ?? "Field '" . htmlentities($key) . "' must be set.",
                $key
            );
    }
}