<?php

namespace bff\validation\rules;

use Closure;
use Illuminate\Support\Arr;
use bff\validation\Rule;

/**
 * In rule
 * @copyright Tamaranga
 */
class In extends Rule
{
    /**
     * Allowed list
     * @var array
     */
    protected $allowed;

    /**
     * Strict compare
     * @var bool
     */
    protected $strict = false;

    protected function defaults($params)
    {
        if ($params instanceof Closure) {
            $params = ['allowed' => $params];
        } elseif (is_array($params)) {
            // Convert not associative array to allowed list
            if (! Arr::isAssoc($params)) {
                $params = ['allowed' => $params];
            } elseif (array_key_exists(0, $params) && sizeof($params) > 1) {
                $this->setAllowed(array_shift($params));
            }
        }
        return $params;
    }

    /**
     * Set allowed values list
     * @param array|Closure $allowed
     * @return bool
     */
    protected function setAllowed($allowed)
    {
        if (empty($allowed)) {
            return false;
        }

        $this->allowed = $allowed;

        return true;
    }

    /**
     * Set strict value comparing mode
     * @param bool $strict
     * @return bool
     */
    protected function setStrict($strict = true)
    {
        $this->strict = ! empty($strict);

        return true;
    }

    /**
     * Set strict value comparing mode
     * @param bool $strict
     * @return static
     */
    public function strict($strict = true)
    {
        $this->setStrict($strict);

        return $this;
    }

    public function check(&$value)
    {
        $allowed = $this->fromClosure($this->allowed);
        if (! is_array($allowed)) {
            return false;
        }
        if (is_array($value)) {
            return false;
        }

        if (! $this->isNot()) {
            return in_array($value, $allowed, $this->strict);
        } else {
            return ! in_array($value, $allowed, $this->strict);
        }
    }
}