<?php

namespace App\Form;

use Qs_Form;
use Qs_Request;
use Qs_String;

/**
 * Trait StepFormTrait
 * @package App\Form
 * @mixin Qs_Form
 */
trait StepFormTrait
{
    protected $_bottomInfoHtml = '';
    protected $_skipUrl;

    public function getSkipUrl()
    {
        return $this->_skipUrl;
    }

    public function setSkipUrl($skipUrl)
    {
        $this->_skipUrl = $skipUrl;
        return $this;
    }

    protected function addStepButtons(array $options = [])
    {
        $options = array_merge([
            'previous' => (bool) $this->getCancelUrl(),
            'skip'     => (bool) $this->getSkipUrl(),
            'next'     => true,
        ], $options);

        $this->addElement('submit', 'btnPrevious', [
            'label'      => 'Prev Step',
            'class'      => 'btn btn-dark',
            'helper'     => 'formInputButton',
            'decorators' => [
                'ViewHelper',
                ['HtmlTag', 'options' => [
                    'tag'   => 'div',
                    'class' => 'btn-prev' . ($options['previous'] ? '' : ' hidden'),
                ]],
            ],
        ]);

        $this->addElement('submit', 'btnSkip', [
            'label'      => 'Skip Step',
            'class'      => 'btn btn-dark',
            'helper'     => 'formInputButton',
            'decorators' => [
                'ViewHelper',
                ['HtmlTag', 'options' => [
                    'tag'   => 'div',
                    'class' => 'btn-skip' . ($options['skip'] ? '' : ' hidden'),
                ]],
            ],
        ]);

        if ($options['skip']) {
            $this->getElement('btnSkip')->setAttrib(
                'onclick',
                "window.location.href = '" . htmlspecialchars($this->getSkipUrl()) . "';"
            );
        }
        if ($options['previous']) {
            $this->getElement('btnPrevious')->setAttrib(
                'onclick',
                "window.location.href = '" . htmlspecialchars($this->getCancelUrl()) . "';"
            );
        }
        $this->addElement('submit', 'btnNext', [
            'label'      => 'Next Step',
            'decorators' => [
                'ViewHelper',
                ['HtmlTag', 'options' => ['tag' => 'div', 'class' => 'btn-next']],
            ],
            'class'      => 'btn btn-primary',
        ]);

        /** @var \Qs_Form_Decorator_HtmlTag $viewHelper */
        if (($viewHelper = $this->getElement('btnPrevious')->getDecorator('HtmlTag'))
            && ($infoHtml = $this->getBottomInfoHtml())
        ) {
            $infoHtml = Qs_String::fill($infoHtml, [
                'ip'   => Qs_Request::getClientIP(),
                'date' => date('m/d/Y'),
            ]);
            $viewHelper->setHtmlAfterElement($infoHtml);
        }

        $this->addDisplayGroup(['btnPrevious', 'btnSkip', 'btnNext'], 'submitGroup', [
            'decorators' => [
                'FormElements',
                ['DtDdWrapper', 'options' => ['ddAttribs' => ['class' => 'prev-next-buttons']]]
            ],
        ]);
        return $this;
    }

    public function getCancelUrl()
    {
        return $this->_cancelUrl;
    }

    public function getBottomInfoHtml()
    {
        return $this->_bottomInfoHtml;
    }

    public function setBottomInfoHtml($bottomInfoHtml)
    {
        $this->_bottomInfoHtml = $bottomInfoHtml;
        return $this;
    }
}