<?php

namespace Qs\Form\SubForm\Table;

use Qs\Form\FixTrait;
use Qs\Form\SubForm\Table;
use Qs_Form_Element_Static;
use Zend_View_Interface;

class Row extends \Qs_Form_SubForm
{
    use FixTrait;

    protected $_orientation = Table::ORIENTATION_HORIZONTAL;

    public function getOrientation()
    {
        return $this->_orientation;
    }

    public function setOrientation($orientation)
    {
        $this->_orientation = $orientation;
        return $this;
    }

    public function loadDefaultDecorators()
    {
        if ($this->loadDefaultDecoratorsIsDisabled()) {
            return $this;
        }
        $decorators = $this->getDecorators();

        if (empty($decorators)) {
            $this->addDecorator('FormElements');
            $this->addDecorator(['tr' => 'HtmlTag'], ['tag' => 'tr', 'data-collection-item' => $this->getName()]);
        }
        return $this;
    }

    public function render(Zend_View_Interface $view = null)
    {
        if ($this->getOrientation() == Table::ORIENTATION_VERTICAL) {
            $elements = [];
            foreach ($this as $item) {
                $elements[] = $item->getName();
            }
            if ($this instanceof Table\Column\OptionsInterface && false !== ($index = array_search('options', $elements))) {
                unset($elements[$index]);
            }
            /** @var \Qs_Form_Decorator_FormElements $decorator */
            if (($decorator = $this->getDecorator('FormElements'))) {
                $decorator->setOption('wrappers', [
                    [
                        'elements'   => $elements,
                        'decorators' => [
                            ['HtmlTag', ['tag' => 'dl']],
                            ['HtmlTag', ['tag' => 'td', 'class' => 'c_elements']]
                        ]
                    ]
                ]);
            }
        }
        return parent::render($view);
    }

    public function addElement($element, $name = null, $options = null)
    {
        if ($this->getOrientation() == Table::ORIENTATION_VERTICAL) {
            return parent::addElement($element, $name, $options);
        }
        if (is_string($element)) {
            if (!is_array($options) || !array_key_exists('decorators', $options)) {
                $class = 'c_' . $name;
                if ($element == 'hidden') {
                    $class .= ' hidden';
                }
                $options['decorators'] = [$element == 'numeric' ? 'Numeric' : 'ViewHelper'];
                if ($element == 'HtmlEditor') {
                    $options['decorators'][] = 'CkEditor';
                }
                $options['decorators'] = array_merge($options['decorators'], [
                    'Errors',
                    'Description',
                    [
                        'HtmlTag',
                        [
                            'tag'   => 'td',
                            'class' => $class,
                            'id'    => ['callback' => ['Zend_Form_Element', 'resolveElementId']]
                        ]
                    ]
                ]);
            }
        }
        return parent::addElement($element, $name, $options);
    }

    public function addRowNumber()
    {
        $index = (int) $this->getName();
        $this->addElement('static', 'rowNumber', ['label' => '#', 'value' => $index + 1]);
        if (($decorator = $this->getElement('rowNumber')->getDecorator('HtmlTag'))) {
            $decorator->setOption('data-row-number', '');
        }
        return $this;
    }

    public function isNumerable()
    {
        return ($number = $this->getElement('rowNumber')) && $number instanceof Qs_Form_Element_Static;
    }
}