<?php

namespace App\User;

use Qs\Form\SeoTrait;
use Zend_Registry;
use Qs_Form;
use Qs_Form_SubForm;
use Qs_Validate_Unique;
use Qs_Db_Table;
use Qs_Array;
use App_ECommerce_Cart_Obj as CartObj;
use App\User\Admin\Obj as AdminObj;
use Qs_SiteMap;
use Zend_View_Interface;

abstract class AbstractForm extends Qs_Form
{
    use SeoTrait;

    /** @var AdminObj */
    protected $_dataObj;

    /** @var CartObj */
    protected $_cart;

    protected $_defaults = array('shipping' => array('asBilling' => 'y'));

    protected $_states4Select;
    protected $_hasSeoFields = false;

    protected function _initElements()
    {
        $this->_initPersonalInfoFields();
        $this->_initCheckoutFields();
        return $this;
    }

    /**
     * @return AdminObj
     */
    protected function _getDataObj()
    {
        if (null === $this->_dataObj) {
            $this->_dataObj = new AdminObj();
        }
        return $this->_dataObj;
    }

    /**
     * @return CartObj
     */
    protected function _getCart()
    {
        return CartObj::getInstance();
    }

    /**
     * "Personal" fields for "simple" mode
     * @return $this
     */
    protected function _initPersonalInfoFields()
    {
        $this->addElement('text', 'firstName', array('label' => 'First Name', 'required' => true));
        $this->addElement('text', 'lastName', array('label' => 'Last Name', 'required' => true));
        $this->addElement('phone', 'directPhone', array('label' => 'Phone Number', 'required' => true));

        $this->addElement(
            'email',
            'email',
            array('label' => 'Email Address', 'required' => true, 'attribs' => array('autocomplete' => 'off'))
        );
        $uniqueValidator = new Qs_Validate_Unique(new Qs_Db_Table('User'), 'email', $this->_getData('id'));
        $this->getElement('email')->addValidator($uniqueValidator);

        $this->addElement(
            'password',
            'password',
            array('label' => 'Password', 'attribs' => array('autocomplete' => 'off'))
        );
        $this->getElement('password')->addValidator('Callback', true, array(array($this, 'validatePassword')));

        $this->addElement(
            'password',
            'confirmPassword',
            array('label' => 'Confirm Password', 'attribs' => array('autocomplete' => 'off'))
        );
        $this->getElement('confirmPassword')->addValidator('ConfirmPassword', true, array('password'));
        $this->addDisplayGroup(
            array('firstName', 'lastName', 'directPhone', 'email', 'password', 'confirmPassword'),
            'personalInfo',
            array('legend' => 'Personal Information')
        );

        return $this;
    }

    protected function _initCheckoutFields($isRequired = true)
    {
        $this->_initAddressFields(Entity::ADDRESS_BILLING, $isRequired);
        $this->_initAddressFields(Entity::ADDRESS_SHIPPING, $isRequired);
        return $this;
    }

    /**
     * "Address" fields for "simple" mode
     * @param string $type
     * @param bool $isRequired
     * @return $this
     */
    protected function _initAddressFields($type, $isRequired = true)
    {
        $form = new Qs_Form_SubForm(array('legend' => ucfirst($type) . ' Address'));

        if ($type != Entity::ADDRESS_BILLING) {
            $form->addElement(
                'checkbox',
                'asBilling',
                array('label' => 'My shipping address is the same as my billing address', 'decoration' => 'simple')
            );
        }

        $form->addElement('text', 'firstName', array('label' => 'First Name'));
        $form->addElement('text', 'lastName', array('label' => 'Last Name'));
        $form->addElement('text', 'address', array('label' => 'Address'));
        $form->addElement('text', 'address2', array('label' => 'Address 2'));
        $form->addElement('text', 'city', array('label' => 'City', 'class' => 'city'));
        $form->addElement(
            'select',
            'state',
            array(
                'label'        => 'State',
                'class'        => 'state',
                'multiOptions' => array('' => 'Select One') + $this->_getStates4Select()
            )
        );

        $form->addElement('zip', 'zip', array('label' => 'Zip', 'class' => 'zip'));

        if ($isRequired) {
            /** @var $element \Zend_Form_Element */
            $element = null;
            if ($type == Entity::ADDRESS_BILLING) {
                foreach ($form as $element) {
                    if ($element->getName() != 'address2') {
                        $element->setRequired();
                    }
                }
            } else {
                $asBilling = $this->_getData($type . '[asBilling]');
                foreach ($form as $element) {
                    if (in_array($element->getName(), ['asBilling', 'address2'])) {
                        continue;
                    }
                    if ($asBilling && 'n' == $asBilling) {
                        $element->setRequired();
                    } else {
                        $element->getDecorator('Label')->setOption('class', 'required');
                    }
                }
            }
        }

        $this->addSubForm($form, $type);

        return $this;
    }

    /**
     * @param string $elementName
     * @param string $legend
     * @return $this
     */
    protected function _showDisplayGroupLegend($elementName, $legend)
    {
        $this->addElement('header', $elementName, ['label' => $legend]);
        $this->getElement($elementName)->getDecorator('HtmlTag')->setOption('class', 'form_header form-header-lg');
        return $this;
    }

    protected function _getScriptOptions()
    {
        $options['formId'] = $this->getId();
        $options['addressTypes'] = [Entity::ADDRESS_SHIPPING];
        if ($this->getSubForm(Entity::ADDRESS_BILLING)) {
            $options['addressFields'] = array_keys($this->getSubForm(Entity::ADDRESS_BILLING)->getElements());
        }
        $options['inheritedAddress'] = Entity::ADDRESS_BILLING;
        return $options;
    }

    public function render(Zend_View_Interface $view = null)
    {
        /** @var $doc \App_Doc_Admin */
        $doc = Zend_Registry::get('doc');

        $doc->addScript('js/app/user/form.js');
        $doc->addInitObject('app.user.Form', [$this->_getScriptOptions()], 'appUserForm');

        return parent::render($view);
    }

    public function validatePassword($value, $context = null)
    {
        if (!empty($value) && empty($context['confirmPassword'])) {
            $this->getElement('confirmPassword')->setRequired()->isValid('');
            $this->getElement('confirmPassword')->setErrors(array('Password confirmation does not match'));
        }
        return true;
    }

    protected function _getStates4Select()
    {
        if (null === $this->_states4Select) {
            $this->_states4Select = $this->_getDataObj()->getDState4Select();
        }
        return $this->_states4Select;
    }
}