<?php

/**
 * @property App_Cms_Form_SubForm_Meta $meta
 */

abstract class App_Cms_Abstract_Form extends Qs_Form
{
    /**
     * @var App_Cms_Obj
     */
    protected $_dataObj;
    /**
     * @var Zend_Config
     */
    protected $_config;
    protected $_items = [];
    protected $_ajaxValidation = false;
    protected $_hasButtons = false;
    protected $_language;
    protected $_previewUrl;

    public function init()
    {
        $this->_initDataObj();
        parent::init();
        return $this;
    }

    protected function _initDataObj()
    {
        $this->_dataObj = new App_Cms_Obj();
        $this->_dataObj->setSuMode(App_Admin_Auth::getInstance()->getSuMode());
        $this->_dataObj->setLanguage($this->_language);
        return $this;
    }

    public function setLanguage($language)
    {
        $this->_language = $language;
        return $this;
    }

    /**
     * @param string|null $field
     * @param mixed|null $default
     * @return Qs_Config|mixed
     */
    public function getConfig($field = null, $default = null)
    {
        if (null === $this->_config) {
            $this->_config = Qs_Config::getByInstance($this);
        }
        if (null === $field) {
            return $this->_config;
        }
        return $this->_config->get($field, $default);
    }

    protected function _initElements()
    {
        $languages = $this->_dataObj->getLanguages();
        if (count($languages) > 1) {
            $decorators = ['ViewHelper'];
            $elements = [];
            foreach ($languages as $language) {
                $elements[] = $language['name'];
                $options = [
                    'value'      => $language['shortTitle'],
                    'decorators' => $decorators,
                ];
                if ($language['name'] == $this->_dataObj->getLanguage()) {
                    $options['class'] = 'current';
                    $options['disabled'] = 'disabled';
                }
                $options['id'] = 'lng-' . $language['name'];
                $this->addElement('button', $language['name'], $options);
            }
            $this->addDisplayGroup($elements, 'languageGroup', ['disableLoadDefaultDecorators' => true]);
            $this->getDisplayGroup('languageGroup')->addDecorator('FormElements')->addDecorator('Fieldset');
        }
        $meta = $this->_getMetaSubForm();
        $this->addSubForm($meta, 'meta');
        $this->_bindItems();

        if ($this->getConfig('hasHeaderImage')
            && !in_array($this->_dataObj->getPrimaryKey(), App_Cms_Obj::getImageHeaderExcludePageIds())
        ) {
            $resize = $this->getConfig('headerImageWidth') . 'x' . $this->getConfig('headerImageHeight')
                . Qs_ImageFs::getResizeMethodAlias($this->getConfig('headerImageResizeMethod'));
            $this->addElement(
                'extendedImage',
                'headerImage',
                [
                    'label'    => 'Page Header Image',
                    'resize'   => $resize,
                    'required' => (bool) $this->getConfig('headerImageIsRequired'),
                ]
            );
        }

        return $this;
    }

    protected function _bindItems()
    {
        $itemGroupNames = $this->_dataObj->getItemGroupNames();
        foreach ($itemGroupNames as $groupName => $groupTitle) {
            if (null === ($pageItems = $this->_getData($groupName))) {
                continue;
            }
            $this->_filterItems($pageItems);
            if (empty($pageItems)) {
                continue;
            }
            $options = [
                'decorators' => [
                    'FormElements',
                    ['Fieldset', ['class' => 'cms_item_group']],
                    ['HtmlTag', ['tag' => 'dd', 'id' => 'ITEMS-element']],
                    [['label' => 'HtmlTag'], ['tag' => 'dt', 'id' => 'ITEMS-label', 'placement' => 'prepend']],
                ],
                'hasButtons' => false,
            ];
            $items = new Qs_Form_SubForm($options);
            $items->setLegend($groupTitle);
            foreach ($pageItems as $index => $item) {
                $itemSubForm = $this->getItemSubForm($item);
                $items->addSubForm($itemSubForm, $index);
            }
            $this->addSubForm($items, $groupName);
        }

        return $this;
    }

    public function getItemSubForm($item)
    {
        $type = rtrim($item['type'], '_');
        $file = Qs_Constant::get('BASE_PATH') . '/App/Cms/Form/SubForm/Item' . $type . '.php';
        $class = 'App_Cms_Form_SubForm_Item' . $type;
        $options = [
            'groupName' => $item['groupName'],
            'itemId'    => $item['id'],
            'type'      => $item['type'],
            'legend'    => $this->_dataObj->getItemTypeTitle($item['type']),
        ];
        if (file_exists($file)) {
            $itemSubForm = new $class($options);
        } else {
            $itemSubForm = new App_Cms_Form_SubForm_Item($options);
        }
        $itemSubForm->setMode('view');
        /** @var $itemObj Qs_ViewController */
        $itemObj = $this->_dataObj->getItemView($item);
        if (null !== $itemObj && $itemObj->hasConfigForm()) {
            $configForm = $itemObj->getConfigForm();
            /** @var Qs_Form_Decorator_DtDdWrapper $dtDdWrapper */
            $dtDdWrapper = $configForm->getDecorator('DtDdWrapper');
            $dtDdWrapper->setDdAttrib('class', 'item_config');
            $configForm->setAttrib('id', $item['groupName'] . '-i' . $item['id'] . '-config');

            $itemSubForm->addElement('html', 'view');
            $itemSubForm->addSubForm($configForm, 'config');
        }
        return $itemSubForm;
    }

    protected function _filterItems(&$items)
    {
        /** @var Zend_Config $item */
        $item = $this->getConfig('item');
        $filter = $item->get('filter');
        if (null === $filter) {
            $filter = [];
        } else if ($filter instanceof Zend_Config) {
            /** @var $filter Zend_Config */
            $filter = $filter->toArray();
        }

        foreach ($items as $index => $data) {

            // відфільтрував порожні ітеми (сабмітяться при публікації сторіки)
            if (!array_key_exists('type', $data)) {
                unset($items[$index]);
                continue;
            }

            foreach ($filter as $field => $value) {
                if (!array_key_exists($field, $data)) {
                    unset($items[$index]);
                    continue;
                }
                if (is_array($value)) {
                    if (!in_array($data[$field], $value)) {
                        unset($items[$index]);
                        continue;
                    }
                } else {
                    if ($data[$field] != $value) {
                        unset($items[$index]);
                        continue;
                    }
                }
            }
        }
        return $this;
    }

    protected function _initButtons()
    {
        $url = Qs_Request::url(['action' => 'removeDraft', 'id' => $this->_dataObj->getPrimaryKey()]);
        $this->setCancelUrl($url);

        $disablePreview = $this->_getData('meta[customOptions][disablePreview]', 'false');
        if ('false' == $disablePreview) {
            $this->addElement(
                'submit',
                'btnPreview',
                [
                    'label'   => 'Preview Changes',
                    'attribs' => [
                        'class'  => 'btn btn-info' . ((!$this->_dataObj->getDraftData('meta[hasChanges]')) ? ' hidden' : ''),
                        'helper' => 'formInputButton',
                    ],
                ]
            );
        }

        $this->addElement(
            'submit',
            'btnSubmit',
            ['label' => 'Publish', 'attribs' => ['class' => 'btn btn-primary']]
        );

        $this->addElement(
            'submit',
            'btnCancel',
            [
                'label'   => 'Cancel All Changes',
                'attribs' => [
                    'class'   => 'btn',
                    'helper'  => 'formInputButton',
                    'onclick' => "if (confirm('{$this->getConfig('cancelMessage')}')) "
                        . "document.location = '" . htmlspecialchars($this->getCancelUrl()) . "';",
                ],
            ]
        );
        $this->addDisplayGroup(['btnPreview', 'btnSubmit', 'btnCancel'], 'submitGroup');

        return $this;
    }

    protected function _getMetaSubForm()
    {
        $idPage = (int) Qs_Request::getRequestValue('id', $this->_dataObj->getPrimaryKey());

        $meta = new App_Cms_Form_SubForm_Meta([
            'language'         => $this->_dataObj->getLanguage(),
            'metaOptions'      => $this->_dataObj->getDraftMetaOptions($idPage),
            'isRedirectFields' => $this->_dataObj->isRedirectFields(),
        ]);

        /** @var $handler Zend_Form_Element_Select */
        $handler = $meta->getElement('handler');
        if ($handler && $handler instanceof Zend_Form_Element_Select) {
            $handler->setMultiOptions($this->_dataObj->getDPageHandler4Select());
        }

        /** @var $bodyTemplate Zend_Form_Element_Select */
        $bodyTemplate = $meta->getElement('bodyTemplate');
        if ($bodyTemplate) {
            $handler = $this->_getData('handler');
            if (empty($handler)) {
                $handler = $this->_getData('meta[handler]');
            }
            if ($handler && $bodyTemplate instanceof Zend_Form_Element_Select) {
                // Suppress Fatal Error on PageItemUpdate Ajax action
                $bodyTemplate->setMultiOptions($this->_dataObj->getBodyTemplate4Select($handler));
            }
        }
        if (null !== ($element = $meta->getElement('redirectPageId'))) {
            /** @var Zend_Form_Element_Select $element */
            $element->addMultiOptions($this->_dataObj->getPages4Select());
        }
        return $meta;
    }

    protected function getPreviewUrl()
    {
        if (null === $this->_previewUrl) {
            $this->_previewUrl = Qs_Constant::get('BASE_URL_LANGUAGE') . '/' . Qs_Constant::get('CURRENT_PAGE')
                . '?action=preview&pageId=' . $this->_dataObj->getPrimaryKey();
        }
        return $this->_previewUrl;
    }

    public function render(Zend_View_Interface $view = null)
    {
        /** @var $doc Qs_Doc */
        $doc = Zend_Registry::get('doc');
        $options = [
            'id_form'      => $this->getId(),
            'btnPreviewId' => null,
            'previewUrl'   => $this->getPreviewUrl(),
        ];
        if (($btnPreview = $this->getElement('btnPreview'))) {
            $options['btnPreviewId'] = $btnPreview->getId();
        }
        $itemGroups = $this->_dataObj->getItemGroupNames();
        foreach ($itemGroups as $groupName => $groupTitle) {
            /** @var $itemSubGroup Qs_Form_SubForm */
            if ($itemSubGroup = $this->getSubForm($groupName)) {
                // init block options (view forms)
                /** @var $itemForm Qs_Form_SubForm */
                foreach ($itemSubGroup as $itemForm) {
                    if (($configForm = $itemForm->getSubForm('config'))) {
                        /** @var $configViewForm Qs_Form_Config */
                        $configViewForm = clone $configForm;
                        /** @var Qs_Form_Decorator_DtDdWrapper $dtDdWrapper */
                        $dtDdWrapper = $configViewForm->getDecorator('DtDdWrapper');
                        $dtDdWrapper->setDdAttrib('class', 'item_config_view');
                        $html = $configViewForm->renderView();
                        $itemForm->getElement('view')->setValue($html);
                    }
                }
                // end of init block options (view forms)

                // replace form tag to div tag in all html blocks
                foreach ($itemSubGroup->getSubforms() as $itemSubForm) {
                    if (!($itemSubForm instanceof App_Cms_Form_SubForm_ItemHtmlBlock)) {
                        continue;
                    }
                    $content = $this->_dataObj->getFilteredHtmlBlockViewContent($itemSubForm->data->content->getValue());
                    $itemSubForm->data->content->setValue($content);
                }
                // end replace form tag to div tag in all html blocks

                $order = $itemSubGroup->getElementsOrder();
                $order = array_keys($order);
                foreach ($order as &$v) {
                    $v = intval(str_replace('i', '', $v));
                }
                $options['order_' . $groupName] = $order;
            }
        }
        /** @var App_Cms_Form_SubForm_Meta $metaSubForm */
        $metaSubForm = $this->getSubForm('meta');
        $options['meta'] = [];
        $options['metaMode'] = $metaSubForm->getMode();
        $options['items'] = $this->_getItems();
        $options['config'] = $this->getConfig()->toArray();
        $options['su'] = App_Admin_Auth::getInstance()->getSuMode();
        $options['languages'] = $this->_dataObj->getLanguageNames();
        $doc->addInitFunction('initCmsForm', [$options]);
        $doc->addScript('js/jquery.scrollTo.js');
        $doc->addScript('js/lib/form.js');
        $doc->addScript('js/lib/cms.js');
        $doc->addScript('js/ckeditor/ckeditor.js');
        $doc->addScript('js/jquery-ui.js');
        $doc->addStylesheet('css/thirdpart/jquery-ui.css');

        return parent::render($view);
    }

    protected function _getItems()
    {
        if (empty($this->_items)) {
            $this->_items = [];
            $_items = $this->_dataObj->getItemsList($this->_getData('meta[id]'), true);
            $_item = array_fill_keys(['id', 'type', 'groupName', 'allowDelete'], '');
            foreach ($_items as $data) {
                $item = array_intersect_key($data, $_item);
                if (!$this->{$item['groupName']} || !$this->{$item['groupName']}->{'i' . $item['id']}) {
                    continue;
                }
                $item['id'] = (int) $item['id'];
                $item['actions'] = $this->getItemActions($data);
                $item['mode'] = $this->{$item['groupName']}->{'i' . $item['id']}->getMode();
                $this->_items[] = $item;
            }
        }
        return $this->_items;
    }

    public function getItemActions($item)
    {
        $actions = [];
        if (($this->{$item['groupName']}
                && $this->{$item['groupName']}->{'i' . $item['id']}
                && $this->{$item['groupName']}->{'i' . $item['id']}->config)
            || App_Admin_Auth::getInstance()->getSuMode()
            || $item['type'] == 'HtmlBlock_'
        ) {
            $actions[] = 'edit';
            $actions[] = 'save';
            $actions[] = 'cancel';
        }
        $actions[] = 'moveUp';
        $actions[] = 'moveDown';
        if (App_Admin_Auth::getInstance()->getSuMode()
            || ($this->getConfig('item[allowDelete]') && $item['allowDelete'] == 'y')
        ) {
            $actions[] = 'delete';
        }
        return $actions;
    }

    public function setDefaults(array $defaults = [])
    {
        $defaults = Qs_Array::mergeRecursive($this->_getDefaults(), $defaults);
        if ($this->getConfig('hasHeaderImage')) {
            $defaults['headerImage'] = $defaults['meta']['headerImage'];
        }
        return parent::setDefaults($defaults);
    }
}