<?php
namespace PrestoPlayer\Dice\Extra;
class RuleValidator {
private $dice;
public function __construct(\Dice\Dice $dice) {
$this->dice = $dice;
}
public function addRule($name, array $rule) {
$this->checkValidKeys($rule);
$this->checkBoolean($rule, 'inherit');
$this->checkBoolean($rule, 'shared');
$this->checkNumericArray($rule, 'constructParams');
$this->checkNumericArray($rule, 'shareInstances');
$this->checkNumericArray($rule, 'call');
$this->dice->addRule($name, $rule);
}
private function checkValidKeys($rule) {
$validKeys = ['call', 'shared', 'substitutions', 'instanceOf', 'inherit', 'shareInstances', 'constructParams'];
foreach ($rule as $name => $value) {
if (!in_array($name, $validKeys)) throw new \InvalidArgumentException('Invalid rule option: '. $name);
}
}
public function create($name, array $args = [], array $share = []) {
return $this->dice->create($name, $args, $share);
}
public function checkBoolean($rule, $key) {
if (!isset($rule[$key])) return;
if (!is_bool($rule[$key])) throw new \InvalidArgumentException('Rule option ' . $key . ' must be true or false');
}
public function checkNumericArray($rule, $key) {
if (!isset($rule[$key])) return;
if (count(array_filter(array_keys($rule[$key]), 'is_string')) > 0) throw new \InvalidArgumentException('Rule option ' . $key . ' must be a seqential array not an associative array');
}
public function checkAssocArray($rule, $key) {
if (!isset($rule[$key])) return;
if (count(array_filter(array_keys($rule[$key]), 'is_string')) === 0) throw new \InvalidArgumentException('Rule option ' . $key . ' must be a an associative array');
}
}