<?php

abstract class App_Wizard_Form_Abstract extends Qs_Form
{
    const NEW_PERSON_PREFIX = 'new_';

    protected $_step = 1;
    protected $_applicantIndex;
    protected $_applicantName;
    protected $_applicantsCount;
    protected $_controllerAction = 'new';

    protected function _initElements()
    {
        $this->addElement(
            'hidden',
            'step',
            array('value' => $this->_step)
        );
        if ($this->_step > 1) {
            $this->addElement(
                'hidden',
                'applicantIndex',
                array('value' => $this->_applicantIndex)
            );
        }

        return $this;
    }

    protected function _initButtons()
    {
        if (!$this->_hasButtons) {
            return $this;
        }

        /** @var Qs_Doc $doc */
        $doc = Zend_Registry::get('doc');
        $doc->getSmarty()->assign('step', $this->_step);
        $doc->getSmarty()->assign('stepTitle', $this->translate('Step'));
        $this->addElement(
            'html',
            'progressBar',
            array(
                'value' => $doc->getSmarty()->fetch('Wizard/progress-bar.tpl')
            )
        );
        $wizardLastStep = $this->getConfig('wizardLastStep');
        $applicants = ($this->_step >= 2) ? (array) $_SESSION['App_Wizard_View']['wizardData']['applicants'] : [];

        $isDebugFinishButton = $this->_isDebug() && $this->_step == $wizardLastStep + 1  && $this->_applicantIndex == 0;
        $continueLabel =
            ($applicants
                && ($this->_step == $wizardLastStep && $this->_applicantIndex == max(array_keys($applicants)))
                    || $isDebugFinishButton)
            ?  (($isDebugFinishButton)
                ? 'Show Results'
                : 'Finish')
            : 'Continue';

        $this->addElement(
            'submit',
            'btnSubmit',
            array(
                'label' => $continueLabel,
                'attribs' => array('class' => 'btn btn-primary'),
            )
        );
        $this->addElement(
            'submit',
            'btnCancel',
            array(
                'label'   => 'Back',
                'attribs' => array('class' => 'btn')
            )
        );
        if ($this->_step == 1) {
            $this->getElement('btnCancel')->setAttrib('style', 'display: none;');
        }
        $this->addDisplayGroup(array('progressBar', 'btnSubmit', 'btnCancel'), 'submitGroup');

        return $this;
    }

    /**
     * Form Step Setter
     * @param $value
     * @return $this
     */
    public function setStep($value)
    {
        $this->_step = $value;
        return $this;
    }

    public function setApplicantsCount($value)
    {
        $this->_applicantsCount = $value;
        return $this;
    }

    /**
     * Applicant Name Setter
     * @param $value
     * @return $this
     */
    public function setApplicantName($value)
    {
        $this->_applicantName = $value;
        return $this;
    }

    /**
     * Applicant Index Setter
     * @param $value
     * @return $this
     */
    public function setApplicantIndex($value)
    {
        $this->_applicantIndex = $value;
        return $this;
    }

    protected function _getApplicants()
    {
        return (array)$_SESSION['App_Wizard_View']['wizardData']['applicants'];
    }

    protected function _getAdditionalPersons()
    {
        $sessionData = $_SESSION['App_Wizard_View']['wizardData'];
        return (isset($sessionData['additionalPersons'])) ? (array)$sessionData['additionalPersons'] : array();
    }

    public function render(\Zend_View_Interface $view = null)
    {
        /** @var $doc \App_Doc_Site */
        $doc = \Zend_Registry::get('doc');
        $doc->addScript('js/jquery.bootstrap-touchspin.js');
        $doc->addStylesheet('css/thirdpart/jquery.bootstrap-touchspin.css');
        $doc->addScript('js/app/wizard-form.js');

        $doc->addScript('js/app/wizard-form-tip.js', array(), 'wizard-form');
        $doc->addInitFunction('Form_Wizard_Tip.init', array());

        $doc->addScript('js/app/wizard-language.js');
        $doc->addInitFunction('Form_Wizard_Language.init', array());

        $options = array(
            'step'        => $this->_step,
            'defaultData' => ($this->_step >= 2) ? $this->getConfig('defaults')->toArray()[$this->_step] : [],
        );
        if ($this->_step == 2 || $this->_step == 4) {
            $options['minIncomeAge'] = App_Settings_Obj::get('minIncomeAge');
            $options['minAge'] = App_Settings_Obj::get('minAge');
        }
        if ($this->_step == 3) {
            $options['pregnancyStatus'] = $this->_getStorageData(2, $this->_applicantIndex)['pregnancyStatus'];
        }
        if ($this->_step == 3 || $this->_step == 4) {
            $options['applicantAge'] = App_Wizard_View::getApplicantAge(
                $this->_getStorageData(2, $this->_applicantIndex)['birth']);
        }
        if ($this->_step == 4) {
            $options['maxAgeMA'] = App_Settings_Obj::get('maxAgeMA');
        }

        $doc->addInitObject('app.Wizard', array($options));

        return parent::render($view);
    }

    /**
     * Is Applicant Age >= config maxAgeMA
     * @param $applicantIndex
     * @return bool
     */
    protected function _isApplicantAge($applicantIndex)
    {
        $birth = $this->_getStorageData(2, $applicantIndex)['birth'];
        return App_Wizard_View::checkApplicantAge($birth, App_Settings_Obj::get('maxAgeMA'));
    }

    protected function _getStorageData($step, $applicantIndex = null)
    {
        $configDefaults = $this->getConfig('defaults')->toArray()[$step];
        $sessionData =  $_SESSION['App_Wizard_View']['wizardData'];
        $storageData = (isset($sessionData[$step]) && $sessionData[$step]) ? (array)$sessionData[$step] : [];

        if ($step == 1) {
            $defaults = array_merge($configDefaults, $storageData);
        } else {
            $defaults = array_merge(
                $configDefaults, (isset($storageData[$applicantIndex])) ? (array)$storageData[$applicantIndex] : []
            );
        }

        return $defaults;
    }

    protected function _isDebug()
    {
        return (App_Wizard_View::DEBUG_ON == $_SESSION['App_Wizard_View']['wizardDebug']);
    }

    public function addElement($element, $name = null, $options = null)
    {
        $form = $this;
        switch ($element) {
            case 'radio':
                $fieldsetOptions = [
                    'escape'           => false,
                    'legendWrapperTag' => false,
                    'legend'           => Qs_Array::get($options, 'label'),
                    'legendAttribs'    => [
                        'id' => function () use ($form, $name) {
                            return $form->getElement($name)->getId() . '-label';
                        }
                    ],
                    'class'            => 'fieldset-radio',
                    'stripAttribs'     => ['label_class']
                ];
                if (Qs_Array::get($options, 'required')) {
                    $fieldsetOptions['legendAttribs']['class'] = 'required';
                }
                $options = null === $options ? [] : $options;
                $options['decorators'] = [
                    'ViewHelper',
                    'Errors',
                    'Description',
                    ['Fieldset', $fieldsetOptions],
                    'DtDdWrapper',
                ];
                break;
            default:
                break;
        }
        return parent::addElement($element, $name, $options);
    }
}