<?php

/**
 * @property App_FormBuilder_Obj $dataObj
 */
class App_FormBuilder_View extends Qs_ViewController
{
    const ELEMENT_URL = 'form_builder/element';

    const MSG_UNBLOCKED = 1;
    const MSG_CANT_UNBLOCK = 2;
    const MSG_CANT_EDIT = 3;
    const MSG_SAVED = 4;
    const MSG_SUBMISSION_SAVED = 5;

    protected $_messages = array(
        self::MSG_UNBLOCKED => 'Form has been unblocked',
        self::MSG_CANT_UNBLOCK => 'Form can not be unblocked',
        self::MSG_CANT_EDIT => 'Form can not be edited, cause it is blocked',
        self::MSG_SAVED => 'Form has been saved',
        self::MSG_SUBMISSION_SAVED => 'Data have been saved'
    );
    protected $_actions = array('list', 'new', 'edit', 'view', 'save', 'unblock', 'savePositions', 'deleteElement',
                                'submit', 'delete');
    protected $_listOptions = array('defaultOrderBy' => 'added DESC');
    protected $_formDefaults = array('height' => App_FormBuilder_Obj::DEFAULT_FORM_HEIGHT);
    protected $_processData;
    protected $_cancelUrl;
    protected $_showLongSaveNote;

    protected function _doNew()
    {
        $this->_formDefaults['departmentId'] = Qs_Request::getRequestValue('departmentId');
        Qs_Http::redirect($this->url(array(
            'action' => 'edit',
            'id' => $this->dataObj->insert($this->_formDefaults)
        )));
    }

    /**
     * @param Qs_Form $form
     * @return App_FormBuilder_View
     */
    protected function _bindFormButtons(Qs_Form $form)
    {
        $backUrl = htmlspecialchars($this->_cancelUrl);
        $form->addElement('submit', 'btnSubmit', array(
                 'label' => 'Save',
               'attribs' => array('class' => 'btn'),
            'decorators' => array('ViewHelper'))
        );
        $form->addElement('button', 'btnCancel', array(
                 'label' => 'Cancel',
               'attribs' => array('class' => 'btn', 'onclick' => "document.location = '{$backUrl}';"),
            'decorators' => array('ViewHelper'))
        );
        $elements = array('btnSubmit', 'btnCancel');

        if ($this->_showLongSaveNote) {
            $form->addElement(
                'static',
                'msgLongSave',
                array(
                    'tag'        => 'p',
                    'value'      => 'In case this process belongs to many Parts saving the changes can take some time. Please wait.',
                    'decorators' => array('ViewHelper')
                )
            );
            $elements[] = 'msgLongSave';
        }

        $decorators = array(
            'FormElements',
            array('decorator' => 'HtmlTag', 'options' => array('tag' => 'div')),
            'Fieldset',
            'DtDdWrapper');
        $form->addDisplayGroup($elements, 'submitGroup', array('decorators' => $decorators));
        return $this;
    }

    /**
     * @param Qs_ViewController_List $list
     * @return App_FormBuilder_View
     */
    protected function _bindListColumns(Qs_ViewController_List $list)
    {
        $options = array(
             'params' => array('id', 'blockedAt', 'unblockable', 'editable', 'firstName', 'lastName'),
            'actions' => array('edit', 'view', 'unblock', 'delete')
        );
        $list->addColumn('text', 'id', array('title' => 'Form #'))
             ->addColumn('options', 'options', $options);

        return $this;
    }

    /**
     * @param Qs_Form $form
     * @return App_FormBuilder_View
     */
    protected function _doEdit($form = null)
    {
        $this->dataObj->initData();
        if ($this->dataObj->getData('editable') == 'y') {
            if (is_null($this->dataObj->getData('blockedAt'))) {
                $this->dataObj->makeDraft();
                $this->dataObj->initData();
            }

            $this->doc->addStylesheet('css/formBuilder.css');
            $this->doc->addStylesheet('css/jquery.fancybox-1.3.4.css');
            $this->doc->addStylesheet('css/jquery-ui.css');
            $this->doc->addScript('js/lib/form.js');
            $this->doc->addScript('js/jquery.scrollTo.js');
            $this->doc->addScript('js/jquery-ui.js');
            $this->doc->addScript('js/jquery.form.js');
            $this->doc->addScript('js/jquery.fancybox-1.3.4.js');
            $this->doc->addScript('js/FormBuilder/form.js');
            $this->doc->addScript('js/FormBuilder/element.js');

            $item['tpl'] = $this->getTemplate('builder.tpl');
            $item['elements'] = $this->_getElementsItems('edit');
            $item['id'] = $this->dataObj->getPrimaryKey();

            if (null === $form) {
                $form = $this->_getEditForm();
                $data = $this->_getData4Form();
                $form->setDefaults($data);
            }
            $form->initRender();
            $form->removeContainers();
            $item['form'] = $form;

            $formBuilderOptions = array(
                         'elements' => $item['elements'],
                             'grid' => App_FormBuilder_Obj::GRID_STEP,
                        'resizeGap' => App_FormBuilder_Obj::RESIZE_GAP,
                       'builderUrl' => BASE_URL . '/' . CURRENT_PAGE,
                       'elementUrl' => BASE_URL . '/' . self::ELEMENT_URL,
                'defaultFormHeight' => App_FormBuilder_Obj::DEFAULT_FORM_HEIGHT
            );
            $this->_doc->addInitObject(
                'Qs_FormBuilder',
                array($this->dataObj->getPrimaryKey(), $this->dataObj->getFormType(), $formBuilderOptions),
                'formBuilder'
            );
            $this->_addItem($item);
        } else {
            $this->_setBackMessage($this->_messages[self::MSG_CANT_EDIT]);
            $this->_doBack();
        }

        return $this;
    }

    /**
     * @return Qs_Form
     */
    protected function _getEditForm()
    {
        $this->_showLongSaveNote = true;
        $form = $this->_getBaseForm();
        $this->_bindFormFields($form);
        $this->_cancelUrl = $this->url(array('action' => 'unblock',
                                             'id'     => $this->dataObj->getPrimaryKey(),
                                             'button' => 'cancel'));
        $this->_bindFormButtons($form);
        return $form;
    }

    protected function _bindFormFields(Qs_Form $form)
    {
        $form->addElement('hidden', 'action', array('value' => 'save'));
        $form->addElement('hidden', 'id', array('value' => $this->dataObj->getPrimaryKey()));
        $form->addElement('text', 'height', array(
                  'label' => 'Form height',
               'required' => true,
            'description' => 'px. You can change the height of this form by adjusting this variable.'
        ));
    }

    /**
     * @param string $action
     * @param null|array $defaultData
     * @return array
     */
    protected function _getElementsItems($action = 'view', $defaultData = null)
    {
        /**
         * @var App_FormBuilder_Element_AbstractView $elementView
         */
        $elements = array();
        $elementList = $this->dataObj->getElementList($action != 'view', true);

        foreach ($elementList as $element) {
            $class = 'App_FormBuilder_Element_' . App_FormBuilder_Element_Obj::$types[$element['typeId']] . '_View';
            $elementView = new $class(array('doc' => $this->doc));
            $elementView->dataObj->setPrimaryKey($element['id']);
            $element = $elementView->getItem($action) + $element;
            $noDefaultElements = array(
                App_FormBuilder_Element_Obj::STATIC_TEXT_ID,
                App_FormBuilder_Element_Obj::IMAGE_ID,
                App_FormBuilder_Element_Obj::MULTI_CHECKBOX_ID,
                App_FormBuilder_Element_Obj::MULTI_TEXT_ID,
                App_FormBuilder_Element_Obj::HORIZONTAL_LINE_ID,
                App_FormBuilder_Element_Obj::VERTICAL_LINE_ID
            );
            if ($this->_action === 'submit' && !in_array($element['typeId'], $noDefaultElements)) {
                //Проставляємо дані з реквесту, якщо не пройшла валідація форми
                $element['defaultValue'] = Qs_Request::getRequestValue($element['name'], $element['defaultValue']);
            } elseif (null !== $defaultData && !empty($defaultData)) {
                $element['defaultValue'] = $defaultData[$element['name']];
            } elseif ($action == 'view' && !in_array($element['typeId'], $noDefaultElements)) {
                $element['defaultValue'] = Qs_Request::getRequestValue($element['name'], $element['defaultValue']);
            }
            if ($element['type'] == App_Process_Media_AbstractObj::TYPE_IMAGE
                && $partId = Qs_Request::getRequestValue('partId')
            ) {
                $element['processPartId'] = $partId;
            }
            $elements[] = new Qs_Doc_Item($element);
        }

        return $elements;
    }

    protected function _doSave()
    {
        // In case then Process belong to many Parts - Saving can take a lot of time (App_Process_Obj::copyValueToEmptySpecialElement)
        set_time_limit(0);
        ignore_user_abort(true);

        if ($this->dataObj->getData('editable') == 'y') {
            $form = $this->_getEditForm();
            if ($form->validate()) {
                $this->_initFromForm($form);
                $this->dataObj->saveDraft();
                $this->_setBackMessage($this->_messages[self::MSG_SAVED]);
            } else {
                $this->_doEdit($form);
            }
        } else {
            $this->_setBackMessage($this->_messages[self::MSG_CANT_EDIT]);
        }
        $this->_doBack();
    }

    protected function _doSaveAjax()
    {
        $form = $this->_getEditForm();
        $this->_validateAjax($form);
    }

    protected function _doUnblock()
    {
        if (!is_null($this->dataObj->getData('blockedAt')) && $this->dataObj->getData('unblockable') == 'y') {
            $this->dataObj->removeDraft();
            if (Qs_Request::getGetValue('button') != 'cancel') {
                $this->_setBackMessage($this->_messages[self::MSG_UNBLOCKED]);
            }
        } else {
            $this->_setBackMessage($this->_messages[self::MSG_CANT_UNBLOCK]);
        }
        $this->_doBack();
    }

    protected function _doSavePositionsAjax()
    {
        $elementObject = new App_FormBuilder_Element_Obj(array('primaryKey' => (int)$_REQUEST['id']));
        $elementObject->savePosition($_REQUEST['position']);
        $this->_displayJson(array('status' => 'success'));
    }

    protected function _doDeleteElementAjax()
    {
        $elementObject = new App_FormBuilder_Element_Obj(array('primaryKey' => (int)$_REQUEST['id']));
        $elementObject->delete();

        $this->_displayJson(array('status' => 'success'));
    }

    /**
     * @return App_FormBuilder_View
     */
    protected function _doView($messages = array())
    {
        $item = $this->_getViewItem();

        $item['messages'] = $messages;
        $this->_addItem($item);

        return $this;
    }

    /**
     * @return array
     */
    protected function _getViewItem()
    {
        $this->_doc->addStylesheet('css/formBuilder.css');

        $item = $this->dataObj->getData();
        $item['tpl'] = $this->getTemplate('view.tpl');
        $item['elements'] = $this->_getElementsItems();
        $item['id'] = $this->dataObj->getPrimaryKey();

        $form = $this->_getViewForm();
        $form->initRender();
        $form->removeContainers();
        $item['form'] = $form;

        return $item;
    }

    /**
     * @return Qs_Form
     */
    protected function _getViewForm()
    {
        $formId = $this->dataObj->getPrimaryKey();
        $form = $this->_getBaseForm();
        $form->setAjaxValidation(false);
        $form->setAttrib('enctype', Zend_Form::ENCTYPE_MULTIPART);
        $this->_cancelUrl = $this->url(array('action' => 'cancel'));
        $this->_bindFormButtons($form);
        $form->addElement('hidden', 'action', array('value' => 'submit'));
        $form->addElement('hidden', 'id', array('value' => $formId));

        return $form;
    }

    /**
     * @return App_FormBuilder_View
     */
    protected function _doSubmit()
    {
        $form = $this->_getFormObject();
        if ($form->validate()) {
            $this->_processData = $this->dataObj->getData();
            $this->_initFromForm($form);
            $this->_saveSubmission();
            $this->_setBackMessage($this->_messages[self::MSG_SUBMISSION_SAVED]);
            $this->_doBack();
        } else {
            /**
             * @todo: add error messages for element validators, if any
             */
            $this->_doView($form->getMessages());
        }

        return $this;
    }

    protected function _saveSubmission()
    {
        $this->dataObj->saveSubmission();

        return $this;
    }

    /**
     * @return Qs_Form
     */
    protected function _getFormObject()
    {
        /**
         * @var App_FormBuilder_Element_Obj $elementObj
         */
        $form = $this->_getBaseForm();

        $elementList = array_merge(
            $this->dataObj->getElementList(),
            $this->dataObj->getElementList(false, true, Qs_Request::getPostValue('partId'))
        );
        foreach ($elementList as $element) {
            if ($element['formType'] != App_FormBuilder_Obj::DEFAULT_FORM_TYPE) {
                $element['name'] = $element['formType'] . $element['name'];
            }
            $class = 'App_FormBuilder_Element_' . App_FormBuilder_Element_Obj::$types[$element['typeId']] . '_Obj';
            $elementObj = new $class(array('primaryKey' => $element['id']));
            $elementObj->bindField($form);
        }

        return $form;
    }

}