<?php
/**
 * Visforms default view for Visforms
 *
 * @author       Aicha Vack
 * @package      Joomla.Site
 * @subpackage   com_visforms
 * @link         https://www.vi-solutions.de
 * @license      GNU General Public License version 2 or later; see license.txt
 * @copyright    2012 vi-solutions
 * @since        Joomla 1.6
 */

// no direct access
defined('_JEXEC') or die('Restricted access');

use Joomla\CMS\Session\Session;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Uri\Uri;
use Visolutions\Component\Visforms\Site\Helper\EditorHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Filter\InputFilter;

if (!empty($displayData)) :
    if ((isset($displayData['visforms'])) && (isset($displayData['textareaRequired'])) && (isset($displayData['hasHTMLEditor'])) && (isset($displayData['parentFormId'])) && (isset($displayData['steps']))) :
	    $app = Factory::getApplication();
        $wa = $app->getDocument()->getWebAssetManager();
		$filter = new InputFilter();
        $visforms = $displayData['visforms'];
        $vfObjForJs = new stdClass();
        $vfObjForJs->fid = $visforms->id;
        $textareaRequired = $displayData['textareaRequired'];
        $hasHTMLEditor = $displayData['hasHTMLEditor'];
        $parentFormId = $displayData['parentFormId'];
        $vfObjForJs->parentFormId = $displayData['parentFormId'];
        $steps = $displayData['steps'];
        $nbFields = count($visforms->fields);
	    $vfObjForJs->useSession = !empty($visforms->usesession);
		$vfObjForJs->editView = in_array($visforms->displayState, array(3,4));
	    $vfObjForJs->hideEmptyFieldsets = !empty($visforms->hideemptyfieldsets);
	    // $vfObjForJs->overrideBrowserHistory = $visforms->overrideBrowserHistory;
        $fieldsForJsa = array();
        $userinputsa = array();
        $restrictData = array();
		$reloadTriggerFields = array();
		$calculationVars = array();
		// list of all calculation fields ( which must be calculated) and all fields which trigger recalculation
	    $calculationTriggerFields = array();
		$calculationTree = array();
		$calculationEquations = array();
        for ($i = 0; $i < $nbFields; $i++) {
            $field = $visforms->fields[$i];
            if (isset($field->userInput)) {
                $userinputsa[] = array(
                    'type' => $field->typefield,
                    'label' =>'field'. $field->id,
                    'value' => $field->userInput,
                    'isDisabled' => ((!empty($field->isDisabled)) ? true : false),
                    'isForbidden' => ((!empty($field->isForbidden)) ? true : false));
            }
            if (isset($field->showWhenForForm) && (is_array($field->showWhenForForm))) {
                $restrictData['field' . $field->id] =  implode(', ', $field->showWhenForForm);
            }
			if (isset($field->reloadTriggerFieldsForForm) && (is_array($field->reloadTriggerFieldsForForm))) {
				$reloadTriggerFields['field' . $field->id] =  implode(', ', $field->reloadTriggerFieldsForForm);
			}
			// create a flat list, which includes any field that is use in a calculation and therefore triggers a recalculation if it's value changes
	        // the field is used in a calculation, add it to the list
			if (!empty($field->isCalculationTrigger) || $field->typefield === 'calculation') {
				$calculationTriggerFields['field' . $field->id] = array();
			}
			// the field is a calculation field
			if (isset($field->calculationTriggerFields) && (is_array($field->calculationTriggerFields))) {
				$calculationVars['field' . $field->id] = implode(', ', $field->calculationTriggerFields);
			}
			if (!empty($field->JsEquation)) {
				$calculationEquations['field' . $field->id] = $field->JsEquation;
			}
            // label might contain html tags, if the option 'replace label with custom text' is used,
	        // use inputFilter to clean the label to a string
            $summaryLabel = (empty($field->customlabelforsummarypage)) ? $filter->clean($field->label, 'STRING') : $field->customlabelforsummarypage;
            $fieldsForJsa[] = array('id' =>  (int) $field->id, 'type' => $field->typefield ,'label'=> $summaryLabel);
        }


	    // create a list with an element for each calculation trigger field;
        // this may include fields which are no calculation fields themselves
        // parents is empty array
       foreach ($calculationTriggerFields as $key => &$parents) {
			foreach ($visforms->fields as $field) {
				if (isset($field->calculationTriggerFields)  && (is_array($field->calculationTriggerFields))) {
					foreach ($field->calculationTriggerFields as $calculationTriggerField) {
						if ($calculationTriggerField === $key && !array_key_exists('field' . $field->id, $parents)) {
							$parents['field' . $field->id] = 'field' . $field->id;
						}
					}
				}
			}
        }
		// set start level in calculation tree
	    foreach ($calculationTriggerFields  as $key => $parent) {
			$calculationTree[$key] = 0;
	    }
		$maxLoopCount = count($calculationTriggerFields);
		while ($maxLoopCount > 0) {
			$parentsDone = array();
			$entriesToDelete = array();
			// outer loop: process each calculationTriggerFields1 entry
			foreach ($calculationTriggerFields as $pKey => $pParents) {
				// pParents Array is a list of all fields which must be recalculated, if pKey value is changed
				// empty pParents: there are no fields which must be recalculated, i pKey value is changed
				if (empty($pParents)) {
					// find each field that triggers a recalculation of pKey
					// inner loop
					foreach ($calculationTriggerFields as $sKey => $sParents) {
						if ($pKey === $sKey) {
							continue;
						}
						// sKey triggers a recalculation of pKey
						if (array_key_exists($pKey, $sParents)) {
							// if we have not yet processed sKey as trigger field
							if (!array_key_exists($sKey, $parentsDone)) {
								// get level of pKey and set level of sKey one higher
								$calculationTree[$sKey] = $calculationTree[$pKey] + 1;
								// in every other loop only update the level once
								$parentsDone[$sKey] = $sKey;
							}
							// remove parent key from the trigger list (sParent) of the currently processed inner loop field
							// at some point this results in sParent being empty
							// after that, it will be processed by the outer loop
							unset($calculationTriggerFields[$sKey][$pKey]);
						}
					}
					// pKey is processed: remove it from $calculationTriggerFields
					unset ($calculationTriggerFields[$pKey]);
				}
			}
			$maxLoopCount--;
		}

	    if (!empty($visforms->usesession)) {
		    $app->setUserState('com_visforms.userinputs.' . $visforms->context, json_encode($userinputsa));
	    }
        $vfObjForJs->fields =  $fieldsForJsa;
        if ($textareaRequired == true || $hasHTMLEditor == true) {
            // we need an editor and create a simple tinyMCE editor
            EditorHelper::initEditor();
        }
		// ToDo: We could now add a validatorOptions parameter to the form object
	    // ToDo: and write the field validator options (rules and messages) into this object, directly in the field classes instead of creating validateArray and customErrorMsgArray
        // ToDo: and looping here through these lists

		$validatorOptions = array();
		$validatorOptions['showProcessFormMsg'] = !empty($visforms->showmessageformprocessing);
		$validatorOptions['accordionErrorHandling'] = isset($visforms->mpdisplaytype) && (int) $visforms->mpdisplaytype === 1 && !empty($visforms->accordionCounter);
		$validatorOptions['rules'] = array();
	    for ($i = 0; $i < $nbFields; $i++) {
			$field = $visforms->fields[$i];
		    if (isset($field->validateArray) && !empty($field->validateArray)) {
			    if (isset($field->typefield) && ($field->typefield == "select" || $field->typefield == "selectsql" || $field->typefield == "multicheckbox") || $field->typefield == "multicheckboxsql" || $field->typefield == 'location') {
					$ruleName = $field->name . '[]';
			    }
				else {
					$ruleName = $field->name;
				}
			    $validatorOptions['rules'][$ruleName] = array();
			    foreach ($field->validateArray as $n => $v) {
				    if ($n == 'geolocation') {
					    $validatorOptions['rules'][$ruleName]['ispair'] = 'field' . $field->id;
				    }
				    else if ($n == 'mailExists') {
					    continue;
				    }
				    else {
					    $validatorOptions['rules'][$ruleName][$n] = $v;
				    }
				    unset($n);
				    unset($v);
			    }
				// this does not work! Joomla options container is only for passing values
			    // the JS functions are only strings afterward
				// moved into visforms.js, function initValidator;
			   /* if ( $field->typefield == 'email' && array_key_exists('mailExists', $field->validateArray)) {
				    $ruleName = $field->name . '_code';
				    $validatorOptions['rules'][$ruleName] = array();
				    $validatorOptions['rules'][$ruleName]['remote'] = array(
						'url' => Uri::root(true) .'/index.php?option=com_visforms&task=visforms.checkVerificationCode',
					    'type' => 'post',
					    'data' => array(
							'verificationAddr' => "function () {return document.getElementById('field" . $field->id."').value;}",
						    'code' => "function () {return document.getElementById('field" . $field->id."_code').value;}",
						    'fid' => $visforms->id,
						    Session::getFormToken()  => 1,
						    'dataFilter' => "function (data) {if (data === '1') {return true;} else {return false}}}"

					    )
				    );
			    }*/
		    }
	    }
	    if (isset($visforms->captcha)) {
		    if ($visforms->captcha == 3) {
			    $ruleName = 'h-captcha-response';
			    $validatorOptions['rules'][$ruleName] = array( 'required' => true);
		    }
		    if ($visforms->captcha == 4 ) {
			    $ruleName = 'g-recaptcha-response';
			    $validatorOptions['rules'][$ruleName] = array( 'required' => true);
		    }
	    }
		$validatorOptions['messages'] = array();
	    for ($i = 0; $i < $nbFields; $i++) {
		    $field = $visforms->fields[$i];
		    $messageName = $field->name;
		    if (isset($field->typefield) && $field->typefield == "date" && !(isset($field->customErrorMsgArray))) {
			    if (isset($field->dateFormatJs) || (isset($field->validateArray) && array_key_exists('minage', $field->validateArray))) {

				    $validatorOptions['messages'][$messageName] = array();
				    if (isset($field->dateFormatJs)) {
					    switch ($field->dateFormatJs) {
						    case "%d.%m.%Y":
								$validatorOptions['messages'][$messageName]['dateDMY'] = Text::sprintf('COM_VISFORMS_ENTER_VALID_DATE_FORMAT', 'dd.mm.YYYY');
							    break;
						    case "%m/%d/%Y":
							    $validatorOptions['messages'][$messageName][ 'dateMDY'] = Text::sprintf('COM_VISFORMS_ENTER_VALID_DATE_FORMAT', 'mm/dd/YYYY');
							    break;
						    case "%Y-%m-%d":
							    $validatorOptions['messages'][$messageName]['dateYMD'] = Text::sprintf('COM_VISFORMS_ENTER_VALID_DATE_FORMAT', 'YYYY-mm-dd');
							    break;
					    }
				    }
				    if (isset($field->validateArray) && array_key_exists('minage', $field->validateArray)) {
					    $validatorOptions['messages'][$messageName]['minage'] = Text::sprintf('COM_VISFORMS_MINAGE_VALIDATION_FAILED_JS', $field->minage);
				    }
				}
		    }
		    else if (isset($field->typefield) && $field->typefield == "tel" && !(isset($field->customErrorMsgArray)) && (isset($field->validateArray) && array_key_exists('phonevalidation', $field->validateArray))) {
			    $validatorOptions['messages'][$messageName]['phonevalidation'] = Text::sprintf('COM_VISFORMS_PHONENUMBER_FORMAT_VALIDATION_FAILED_JS', $field->phonevalidation, Text::_("COM_VISFORMS_PHONE_NUMBER_FORMAT_".$field->phonevalidation)) . (!empty($field->allowedCharMessage) ? $field->allowedCharMessage : "");
		    }
		    else if (isset($field->typefield) && $field->typefield == "file" && !(isset($field->customErrorMsgArray))) {
			    $validatorOptions['messages'][$messageName] = array();
			    $validatorOptions['messages'][$messageName]['filesize'] = Text::sprintf('COM_VISFORMS_JS_ERROR_WARNFILETOOLARGE', ($field->maxfilesize));
			    $validatorOptions['messages'][$messageName]['fileextension'] = Text::sprintf('COM_VISFORMS_JS_ERROR_WARNFILETYPE', ($field->allowedextensions));
		    }
		    else if (isset($field->typefield) && $field->typefield == "email" && isset($field->validateArray) && array_key_exists('mailExists', $field->validateArray) && !(isset($field->customErrorMsgArray))) {
			    $messageName = $field->name . '_code';
			    $validatorOptions['messages'][$messageName] = array();
			    $validatorOptions['messages'][$messageName]['remote'] = Text::_('COM_VISFORMS_VALIDATION_CODE_INVALID');
			    $validatorOptions['messages'][$messageName]['required'] = Text::_('COM_VISFORMS_ENTER_VALIDATION_CODE');
		    }
		    if (isset($field->customErrorMsgArray)) {
			    if (isset($field->typefield) && ($field->typefield == "select" || $field->typefield == "selectsql" || $field->typefield == "multicheckbox" || $field->typefield == "multicheckboxsql")) {
				    $messageName = $field->name . '[]';
			    }
			    else {
				    // array key for 'normal' fields
				    $messageName = $field->name;
			    }
			    $validatorOptions['messages'][$messageName] = array();
			    foreach ($field->customErrorMsgArray as $n => $v) {
				    if ($n === "date" && (isset($field->dateFormatJs))) {
					    switch ($field->dateFormatJs) {
						    case "%d.%m.%Y":
							    $validatorOptions['messages'][$messageName]['dateDMY'] = $v;
							    break;
						    case "%m/%d/%Y":
							    $validatorOptions['messages'][$messageName]['dateMDY'] = $v;
							    break;
						    case "%Y-%m-%d":
							    $validatorOptions['messages'][$messageName]['dateYMD'] = $v;
							    break;
					    }
				    }
				    else {
					    $validatorOptions['messages'][$messageName][$n] = $v;
				    }
			    }
		    }
		    else {
			    // Adapt Error message for multi checkbox minlength, maxlength if we use the default message texts
			    if (isset($field->typefield) && (($field->typefield == "multicheckbox") || ($field->typefield == "multicheckboxsql"))) {
				    $messageName = $field->name . '[]';
				    $validatorOptions['messages'][$messageName] = array();
				    $validatorOptions['messages'][$messageName]['minlength'] = 'jQuery.validator.format("' . addslashes(Text::_('COM_VISFORMS_ENTER_VAILD_MINLENGTH_MULTICHECKBOX')) . '")';
				    $validatorOptions['messages'][$messageName]['maxlength'] = 'jQuery.validator.format("' . addslashes(Text::_('COM_VISFORMS_ENTER_VAILD_MAXLENGTH_MULTICHECKBOX')) . '")';
			    }
		    }
		    // Custom Captcha Error Message (ToDo escape potential @)
		    if (isset($visforms->captchacustomerror) && $visforms->captchacustomerror != "") {
			    $messageName = $visforms->context . 'viscaptcha_response';
			    $validatorOptions['messages'][$messageName] = array();
			    $validatorOptions['messages'][$messageName]['required'] = $visforms->captchacustomerror;
			    $validatorOptions['messages']['h-captcha-response'] = $visforms->captchacustomerror;
				$validatorOptions['messages']['g-recaptcha-response'] = $visforms->captchacustomerror;
		    }
	    }
    endif;
endif;
$doc = Factory::getApplication()->getDocument();
// Todo: vfObjForJs contains the fields (fieldsForJsa). It seems that the fields provided separately by the 'fields' key, are not used in the visforms.js
// either remove the fields key or the fields in the form object
$doc->addScriptOptions('visforms.'.$parentFormId, ['visform' => $vfObjForJs, 'restrictData' => $restrictData, 'fields' => $fieldsForJsa, 'reloadTriggerFields' => $reloadTriggerFields, 'calculationVars' => $calculationVars, 'calculationEquations' => $calculationEquations, 'calculationTree' => $calculationTree, 'validator' => $validatorOptions]);
if (empty($visforms->usesession)) {
	$doc->addScriptOptions('visforms.'.$parentFormId, ['userInputs' => $userinputsa]);
}
Text::script('COM_VISFORMS_STEP');