<?php

namespace bff\captcha;

use bff\view\Block;

abstract class Captcha extends Block
{
    /** @var string */
    protected $action;

    /**
     * Set/get captcha action
     * @param string|null $action
     * @return static|string
     */
    public function action(?string $action = null)
    {
        if (is_null($action)) {
            return $this->action;
        }

        $this->action = $action;

        return $this;
    }

    /**
     * Captcha manager
     * @return \bff\captcha\CaptchaManager
     */
    protected function manager()
    {
        return $this->app['captcha'];
    }

    /**
     * Is captcha block enabled
     * @param bool|string|null $default
     * @return bool
     */
    public function enabled($default = null)
    {
        return $this->manager()->enabled($this->action, $default);
    }

    /**
     * Store captcha value
     * @param string|int $value
     * @param int|mixed $expire
     */
    public function store($value, $expire = null)
    {
        $this->manager()->storeInSession($this->action(), $value, $expire);
    }

    /**
     * Validate captcha value
     * @param mixed $value
     * @param bool $expire
     * @return bool
     */
    public function valid($value, bool $expire = true)
    {
        return $this->manager()->validInSession($this->action(), $value, $expire);
    }
}