<?php
/* Copyright (C) 2003      Eric Seigne          <erics@rycks.com>
 * Copyright (C) 2003,2005 Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * Copyright (C) 2004-2011 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2004      Sebastien Di Cintio  <sdicintio@ressource-toi.org>
 * Copyright (C) 2004      Benoit Mortier       <benoit.mortier@opensides.be>
 * Copyright (C) 2005-2011 Regis Houssin        <regis.houssin@inodbox.com>
 * Copyright (C) 2011 	   Juanjo Menent		<jmenent@2byte.es>
 * Copyright (C) 2020		Tobias Sekan		<tobias.sekan@startmail.com>
 * Copyright (C) 2024		MDW							<mdeweerd@users.noreply.github.com>
 * Copyright (C) 2024       Frédéric France             <frederic.france@free.fr>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

/**
 *      \file       htdocs/admin/fediverse.php
 *      \ingroup    fedivers
 *      \brief      Page to setup fedivers in module Socialnetworks
 */

//load Dolibarr environment
require '../main.inc.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/socialnetwork.lib.php';
require_once DOL_DOCUMENT_ROOT.'/core/modules/modSocialNetworks.class.php';
require_once DOL_DOCUMENT_ROOT.'/core/class/infobox.class.php';
require_once DOL_DOCUMENT_ROOT.'/core/class/fediverseparser.class.php';
require_once DOL_DOCUMENT_ROOT.'/core/boxes/box_fediverse.php';

/**
 * @var Conf $conf
 * @var DoliDB $db
 * @var HookManager $hookmanager
 * @var Translate $langs
 * @var User $user
 */

//load translation files requires by the page
$langs->loadLangs(array('admin', 'users', 'dict'));

$action = GETPOST('action', 'aZ09');

// Security check
if (!$user->admin) {
	accessforbidden();
}
if (!isModEnabled('socialnetworks')) {
	accessforbidden('Module Social Networks is not enabled');
}

// List of oauth services
$oauthservices = array();

foreach ($conf->global as $key => $val) {
	if (!empty($val) && preg_match('/^OAUTH_.*_ID$/', $key)) {
		$key = preg_replace('/^OAUTH_/', '', $key);
		$key = preg_replace('/_ID$/', '', $key);
		if (preg_match('/^.*-/', $key)) {
			$name = preg_replace('/^.*-/', '', $key);
		} else {
			$name = $langs->trans("NoName");
		}
		$provider = preg_replace('/-.*$/', '', $key);
		$provider = ucfirst(strtolower($provider));

		$oauthservices[$key] = $name." (".$provider.")";
	}
}

/*
 * Actions
 */

if ($action == 'add') {
	$error = 0;

	if (empty(GETPOST('socialnetwork_name')) || empty(GETPOST('socialnetwork_url'))) {
		$error++;
	}

	$socialNetworkName = GETPOST('socialnetwork_name', 'alpha');
	$socialNetworkUrl = GETPOST('socialnetwork_url', 'alpha');
	if (GETPOSTISSET("OAUTH_SERVICE_SOCIAL_NETWORK")) {
		dolibarr_set_const($db, "OAUTH_SERVICE_SOCIAL_NETWORK", GETPOST("OAUTH_SERVICE_SOCIAL_NETWORK", 'alphanohtml'), 'chaine', 0, '', $conf->entity);
	}

	// other params if exist
	$paramNames = GETPOST('param_name', 'array');
	$paramValues = GETPOST('param_value', 'array');

	$additionalParams = [];
	if (!empty($paramNames) && is_array($paramNames)) {
		foreach ($paramNames as $index => $paramName) {
			if (!empty($paramName) && isset($paramValues[$index])) {
				$additionalParams[$paramName] = $paramValues[$index];
			}
		}
	}
	if (!$error) {
		$db->begin();

		$socialNetworkData = array(
			'title' => $socialNetworkName,
			'url' => $socialNetworkUrl
		);

		$socialNetworkData = array_merge($socialNetworkData, $additionalParams);

		$boxlabel = '(SocialNetwoksInformations)';

		$sql = "INSERT INTO ".MAIN_DB_PREFIX."boxes_def (file, note)";
		$sql .= " VALUES ('box_fediverse.php', '".$db->escape($socialNetworkName)."')";

		if (!$db->query($sql)) {
			dol_print_error($db);
			$error++;
		} else {
			$jsonData = json_encode($socialNetworkData);
			$result = dolibarr_set_const($db, "SOCIAL_NETWORKS_DATA_".$socialNetworkName, $jsonData, 'chaine', 0, '', $conf->entity);
			if ($result <= 0) {
				$error++;
				setEventMessages($langs->trans("ErrorInputRequired"), null, 'errors');
			}
		}
	}
	if (!$error) {
		$db->commit();
		header("Location: ".$_SERVER["PHP_SELF"]);
		exit;
	} else {
		$db->rollback();
		dol_print_error($db);
	}
}

if ($action == 'confirm_delete' && GETPOST('confirm') == 'yes') {
	$error = 0;
	$key = GETPOST('key', 'alpha');
	$name = '';
	$sqlgetName = "SELECT note FROM ".MAIN_DB_PREFIX."boxes_def WHERE rowid=".((int) $key);

	$resqName = $db->query($sqlgetName);
	if ($resqName) {
		$objName = $db->fetch_object($resqName);
		$name = $objName->note;
	}

	$db->begin();

	$sql = "DELETE FROM ".MAIN_DB_PREFIX."boxes";
	$sql .= " WHERE entity = ".$conf->entity;
	$sql .= " AND box_id = ".((int) $key);
	$resql1 = $db->query($sql);

	$sql = "DELETE FROM ".MAIN_DB_PREFIX."boxes_def";
	$sql .= " WHERE rowid = ".((int) $key);
	$resql2 = $db->query($sql);

	if (!$resql1 || !$resql2) {
		$db->rollback();
		dol_print_error($db, "sql=".$sql);
		exit;
	} else {
		$result = dolibarr_del_const($db, "SOCIAL_NETWORKS_DATA_".$name, $conf->entity);
		if ($result) {
			$db->commit();
			header("Location: ".$_SERVER["PHP_SELF"]);
			exit;
		} else {
			$db->rollback();
			dol_print_error($db);
		}
	}
}

if ($action == 'updatesocialnetwork') {
	$error = 0;
	$id = GETPOST('key', 'alpha');
	$name = GETPOST('socialnetwork_name');
	$url = GETPOST('socialnetwork_url');
	$paramsKey = GETPOST('paramsKey', 'array');
	$paramsVal = GETPOST('paramsVal', 'array');

	$result = dolibarr_get_const($db, "SOCIAL_NETWORKS_DATA_".$name, $conf->entity);
	$socialNetworkData = json_decode($result, true);

	foreach ($paramsKey as $index => $key) {
		if (empty($key) || empty($paramsVal[$index])) {
			$error++;
		}
	}
	// delete others params
	foreach ($socialNetworkData as $key => $value) {
		if ($key != 'title' && $key != 'url') {
			unset($socialNetworkData[$key]);
		}
	}

	// new keys and new values in array
	$mergedParams = array();
	foreach ($paramsKey as $index => $key) {
		if (isset($paramsVal[$index])) {
			$mergedParams[$key] = $paramsVal[$index];
		}
	}

	// Add new key, value if changed
	foreach ($mergedParams as $newKey => $newValue) {
		if (!isset($socialNetworkData[$newKey]) || $socialNetworkData[$newKey] !== $newValue) {
			$socialNetworkData[$newKey] = $newValue;
		}
	}
	if (!$error) {
		$newData = json_encode($socialNetworkData);
		$result = dolibarr_set_const($db, "SOCIAL_NETWORKS_DATA_".$name, $newData, 'chaine', 0, '', $conf->entity);
		if ($result) {
			$db->commit();
			header("Location: ".$_SERVER["PHP_SELF"]);
			exit;
		} else {
			$db->rollback();
			dol_print_error($db);
		}
	} else {
		setEventMessages($langs->trans("ErrorInputRequired"), null, 'errors');
		header("Location: ".$_SERVER["PHP_SELF"].'?action=editsocialnetwork&token='.newToken().'&key='.$id);
		exit;
	}
}

if ($action == 'editsocialnetwork' && GETPOST('confirm') == 'yes') {
	$paramKey = GETPOST('paramkey', 'alpha');
	$key = GETPOST('key', 'alpha');
	$name = GETPOST('name');
	$result = dolibarr_get_const($db, "SOCIAL_NETWORKS_DATA_".$name, $conf->entity);
	$socialNetworkData = json_decode($result, true);

	unset($socialNetworkData[$paramKey]);
	$newData = json_encode($socialNetworkData);

	$result = dolibarr_set_const($db, "SOCIAL_NETWORKS_DATA_".$name, $newData, 'chaine', 0, '', $conf->entity);
	if ($result) {
		$db->commit();
		header("Location: ".$_SERVER["PHP_SELF"].'?action=editsocialnetwork&token='.newToken().'&key='.urlencode($key));
		exit;
	} else {
		$db->rollback();
		dol_print_error($db);
	}
}



/*
 * View
 */

$form = new Form($db);

llxHeader('', $langs->trans("FediverseSetup"), '', '', 0, 0, '', '', '', 'mod-admin page-dict');

$head = socialnetwork_prepare_head();

$linkback = '<a href="'.dolBuildUrl(DOL_URL_ROOT.'/admin/modules.php', ['restore_lastsearch_values' => 1]).'">'.img_picto($langs->trans("BackToModuleList"), 'back', 'class="pictofixedwidth"').'<span class="hideonsmartphone">'.$langs->trans("BackToModuleList").'</span></a>';

print dol_get_fiche_head($head, 'divers', $langs->trans('MenuDict'), -1, 'user', 0, $linkback, '', 0, '', 0);

$title = $langs->trans("ConfigImportSocialNetwork");

print_barre_liste($title, 0, $_SERVER["PHP_SELF"], '', '', '', '', -1, '', 'tools', 0, '', '', -1, 0, 0, 0, '');


print '<form action="'.$_SERVER["PHP_SELF"].'" method="post">';
print '<input type="hidden" name="token" value="'.newToken().'">';

print '<div class="div-table-responsive-no-min">';
print '<table class="noborder centpercent">';

print '<tr class="liste_titre">';
print '<td colspan="2">'.$langs->trans("NewSocialNetwork").'</td>';
print '<td>'.$langs->trans("Example").'</td>';
print '</tr>';

print '<tr class="oddeven">';
print '<td>'.$langs->trans("Title").'</td>';
print '<td><input type="text" class="flat minwidth300" name="socialnetwork_name"></td>';
print '<td>Mastodon</td>';
print '</tr>';

print '<tr class="oddeven">';
print '<td>'.$langs->trans('SocialNetworkUrl').'</td>';
print '<td><input type="text" class="flat minwidth300" name="socialnetwork_url"></td>';
print '<td>https://mastodon.social/api/v1/accounts/id_user</td>';
print '</tr>';
$vartosmtpstype = 'MAIN_MAIL_SMTPS_AUTH_TYPE_EMAILING';

print '<script>
$(document).ready(function() {
    function toggleOAuthServiceDisplay() {
        if ($("#radio_oauth").is(":checked")) {
            $("#oauth_service_div").show();
        } else {
            $("#oauth_service_div").hide();
        }
    }

    toggleOAuthServiceDisplay();

    $("input[name=\"'.$vartosmtpstype.'\"]").change(function() {
        toggleOAuthServiceDisplay();
    });
});
</script>';

// Methods oauth
print '<tr><td>'.$langs->trans("MAIN_MAIL_SMTPS_AUTH_TYPE").'</td>';
print '<td>';
print '<input type="radio" id="radio_oauth" name="'.$vartosmtpstype.'" value="XOAUTH2"'.(getDolGlobalString($vartosmtpstype) == 'XOAUTH2' ? ' checked' : '').(isModEnabled('oauth') ? '' : ' disabled').'>';
print '<label for="radio_oauth">'.$form->textwithpicto($langs->trans("UseOauth"), $langs->trans("OauthNotAvailableForAllAndHadToBeCreatedBefore")).'</label>';
if (!isModEnabled('oauth')) {
	print ' &nbsp; <a href="'.DOL_URL_ROOT.'/admin/modules.php?search_keyword=oauth">'.$langs->trans("EnableModuleX", "OAuth").'</a>';
} else {
	print ' &nbsp; <a href="'.DOL_URL_ROOT.'/admin/oauth.php">'.$langs->trans("SetupModuleX", " OAuth").'</a>';
}
print '</td>';
print '</tr>';

print '<tr class="oddeven" id="oauth_service_div"  style="display: none;">';
print '<td>'.$langs->trans("MAIN_MAIL_SMTPS_OAUTH_SERVICE").'</td>';
print '<td>';

$oauthservicesStringKeys = [];
foreach ($oauthservices as $key => $value) {
	$key = (string) $key;
	$oauthservicesStringKeys[$key] = $value;
}

/** @phan-var-force array<string, array{label:string, data-html:string, disable?:int, css?:string}> $oauthservices */
if (!isModEnabled('multicompany') || ($user->admin && !$user->entity)) {
	print $form->selectarray('OAUTH_SERVICE_SOCIAL_NETWORK', $oauthservicesStringKeys, (string) $conf->global->OAUTH_SERVICE_SOCIAL_NETWORK);
} else {
	$selectedKey = (string) getDolGlobalString('OAUTH_SERVICE_SOCIAL_NETWORK');
	$text = isset($oauthservicesStringKeys[$selectedKey]) ? $oauthservicesStringKeys[$selectedKey]['label'] : '';
	if (empty($text)) {
		$text = $langs->trans("Undefined");
	}
	$htmltext = $langs->trans("ContactSuperAdminForChange");
	print $form->textwithpicto($text, $htmltext, 1, 'superadmin');
	print '<input type="hidden" name="OAUTH_SERVICE_SOCIAL_NETWORK" value="'.$selectedKey.'">';
}
print '</td>';
print '</tr>';

print '<tr class="oddeven" id="add_param_row"><td>';
print $form->textwithpicto($langs->trans("Others"), $langs->trans("AddMoreParams"));
print '</td><td><button type="button" id="addParamButton">'.img_picto($langs->trans("AddMoreParams"), 'add', 'pictofixedwidth').'</button></td>';
print '<td>Token : ****<br>Cookie : ****</td>';
print '</tr>';

print '<tr class="oddeven">';
print '<td colspan="2">';
print '<div id="additionalParams"></div>';
print '</td>';
print '<td></td>';
print '</tr>';


print '</table>';

print '</div>';

print $form->buttonsSaveCancel("Add", '');
print '<input type="hidden" name="action" value="add">';
print '<script type="text/javascript">
    $(document).ready(function() {
        function toggleOAuthServiceDisplay() {
            if ($("#radio_oauth").is(":checked")) {
                $("#oauth_service_div").show();  // Afficher le sélecteur OAuth
            } else {
                $("#oauth_service_div").hide();  // Cacher le sélecteur OAuth
            }
        }

        function toggleAddParamRow() {
            if ($("#radio_oauth").is(":checked")) {
                $("#add_param_row").hide();  // Cacher toute la ligne
            } else {
                $("#add_param_row").show();  // Afficher toute la ligne
            }
        }

        toggleOAuthServiceDisplay();
        toggleAddParamRow();

        $("input[name=\"'.$vartosmtpstype.'\"]").change(function() {
            toggleOAuthServiceDisplay();
            toggleAddParamRow();
        });

        $("#addParamButton").click(function() {
            var container = $("#additionalParams");
            var index = container.children().length;
            var newParam = $("<div class=\'pair-group\'><input type=\'text\' class=\'flat minwidth300\' name=\'param_name[]\' placeholder=\''.$langs->trans("ParamName").'\' class=\'flat\' /> <input type=\'text\' class=\'flat minwidth300\' name=\'param_value[]\' placeholder=\''.$langs->trans("ParamValue").'\' class=\'flat\' /></div>");
            container.append(newParam);
        });
    });
</script>';
print '</form>';

print '<br><br>';
print '<span class="opacitymedium">'.$langs->trans('SocialNetworksNote').'</span>';
print ' - ';
print '<a href="'.DOL_URL_ROOT.'/admin/boxes.php?backtopage='.urlencode($_SERVER["PHP_SELF"]).'">'.$langs->trans('JumpToBoxes').'</a>';
print '<br><br>';


if ($action == 'deletesocialnetwork') {
	$formconfirm = $form->formconfirm(
		$_SERVER["PHP_SELF"].'?key='.urlencode(GETPOST('key', 'alpha')),
		$langs->trans('Delete'),
		$langs->trans('ConfirmDeleteSocialNetwork', GETPOST('key', 'alpha')),
		'confirm_delete',
		'',
		0,
		1
	);
	print $formconfirm;
}
// delete params of social network
if ($action == 'editsocialnetwork' && GETPOST('paramkey', 'alpha')) {
	$paramKey = GETPOST('paramkey', 'alpha');
	$name = GETPOST('name', 'alpha');

	$formconfirm = $form->formconfirm(
		$_SERVER["PHP_SELF"].'?key='.urlencode(GETPOST('key', 'alpha')).'&paramkey='.urlencode($paramKey).'&name='.urlencode($name),
		$langs->trans('Delete'),
		$langs->trans('ConfirmDeleteParamOfSocialNetwork', $paramKey),
		'editsocialnetwork',
		'',
		0,
		1
	);
	print $formconfirm;
}
$sql = "SELECT rowid, file, note FROM ".MAIN_DB_PREFIX."boxes_def";
$sql .= " WHERE file = 'box_fediverse.php'";
$sql .= " ORDER BY note";

dol_syslog("select socialnetworks boxes", LOG_DEBUG);
$resql = $db->query($sql);
if ($resql) {
	$boxlist = InfoBox::listBoxes($db, 'activated', -1, null);
	$num = $db->num_rows($resql);
	$i = 0;
	while ($i < $num) {
		$obj = $db->fetch_object($resql);

		$jsonData = getDolGlobalString("SOCIAL_NETWORKS_DATA_".$obj->note);

		$socialNetworkData = json_decode($jsonData, true);

		$socialNetworkTitle = $socialNetworkData['title'];
		$socialNetworkUrl = $socialNetworkData['url'];
		$socialNetworkId = $obj->rowid;

		$fediverseparser = new SocialNetworkManager($socialNetworkTitle);
		$path_fediverse = DOL_DATA_ROOT.'/fediverse/temp/'.$socialNetworkTitle;

		//check if other params exist
		$authParams = [];
		foreach ($socialNetworkData as $key => $value) {
			if ($key !== 'title' && $key !== 'url') {
				$authParams[$key] = $value;
			}
		}

		$result = $fediverseparser->fetchPosts($socialNetworkUrl, 5, 300, $path_fediverse, $authParams);

		print "<br>";
		print '<form action="'.$_SERVER["PHP_SELF"].'" method="post">'."\n";
		print '<input type="hidden" name="token" value="'.newToken().'">'."\n";

		print '<table class="noborder centpercent">'."\n";

		print '<tr class="liste_titre">';
		print "<td>".$langs->trans("SocialNetworks")." ".($i + 1)."</td>";
		print '<td class="right">';
		print '<a class="viewfielda reposition marginleftonly marginrighttonly showInputBtn" href="'.$_SERVER["PHP_SELF"].'?action=editsocialnetwork&token='.newToken().'&key='.urlencode($socialNetworkId).'">'.img_edit().'</a>';
		print '<a class="deletefielda reposition marginleftonly right" href="'.$_SERVER["PHP_SELF"].'?action=deletesocialnetwork&token='.newToken().'&key='.urlencode($socialNetworkId).'">'.img_delete().'</a>';
		print '<input type="hidden" name="id" value="'.$socialNetworkId.'">';
		print '</td>';
		print '</tr>'."\n";

		print '<tr class="oddeven">';
		print '<td>'.$langs->trans("Title")."</td>";
		print '<td><input type="text" class="flat minwidth300" name="socialnetwork_name" value="'.dol_escape_htmltag($socialNetworkTitle).'" '.($action != "editsocialnetwork" ? 'disabled' : '').'></td>';
		print '</tr>'."\n";

		print '<tr class="oddeven">';
		print "<td>".$langs->trans("URL")."</td>";
		print '<td><input type="text" class="flat minwidth300" name="socialnetwork_url" value="'.dol_escape_htmltag($socialNetworkUrl).'" '.($action != "editsocialnetwork" ? 'disabled' : '').'></td>';
		print '</tr>'."\n";

		print '<tr class="oddeven">';
		print "<td>".$langs->trans("Status")."</td>";
		print "<td>";
		if ($result > 0 && empty($fediverseparser->error)) {
			print '<span class="ok">'.img_picto($langs->trans("Online"), 'tick', 'class="pictofixedwidth"').$langs->trans("Online").'</div>';
		} else {
			print '<span class="error">'.$langs->trans("Offline");
			$langs->load("errors");
			if ($fediverseparser->error) {
				print ' - '.$langs->trans($fediverseparser->error);
			}
			print '</div>';
		}
		print "</td>";
		print '</tr>'."\n";

		// Active
		$active = _isInBoxListFediverse((int) $socialNetworkId, $boxlist) ? 'yes' : 'no';

		print '<tr class="oddeven">';
		print '<td>'.$langs->trans('WidgetAvailable').'</td>';
		print '<td>'.yn($active);
		print ' &nbsp; - &nbsp; <a href="'.DOL_URL_ROOT.'/admin/boxes.php?backtopage='.urlencode($_SERVER["PHP_SELF"]).'">';
		print $langs->trans("JumpToBoxes");
		print '</a>';
		print '</td>';
		print '</tr>'."\n";

		if ($action == 'editsocialnetwork' && $socialNetworkId == GETPOST('key')) {
			foreach ($socialNetworkData as $k => $val) {
				if ($k != 'title' && $k != 'url') {
					print '<tr class="oddeven">';
					print '<td><input type="text" class="flat minwidth200" name="paramsKey[]" value="'.dol_escape_htmltag($k).'"</td>';
					if ($k == 'password') {
						print '<td><input type="password" class="flat minwidth300" name="paramsVal[]" value="'.dol_escape_htmltag($val).'" />';
					} else {
						print '<td><input type="text" class="flat minwidth300" name="paramsVal[]" value="'.dol_escape_htmltag($val).'" />';
					}
					print '<button type="button" class="delete-param-btn" data-paramkey="'.htmlspecialchars($k).'">'.img_delete().'</button>';

					print '</td>';
					print '</tr>'."\n";
				}
			}

			print '<tr class="oddeven">';
			print '<td><input type="hidden" name="action" value="updatesocialnetwork" /></td>';
			print '<td><input class="button " type="submit" name="update" value="'.$langs->trans('Modify').'" /></td>';
			print '</tr>'."\n";

			print '<script>
					$(document).ready(function() {
						$(\'.delete-param-btn\').on(\'click\', function() {
							var paramKey = $(this).data(\'paramkey\');
							var socialNetworkId = \''.htmlspecialchars($socialNetworkId).'\';
							var socialNetworkName = \''.htmlspecialchars($socialNetworkTitle).'\';
							window.location.href = \''.$_SERVER["PHP_SELF"].'?action=editsocialnetwork&token='.newToken().'&paramkey=\' + encodeURIComponent(paramKey) + \'&key=\' + encodeURIComponent(socialNetworkId) + \'&name=\' + encodeURIComponent(socialNetworkName);
						});
					});
					</script>';
		}

		print '</table>'."\n";

		print "</form>\n";

		$i++;
	}
} else {
	dol_print_error($db);
}

print dol_get_fiche_end();

llxFooter();
$db->close();

/**
 * Check if the given fediverse feed if inside the list of boxes/widgets
 *
 * @param	int				$id			The id of the socialnetwork
 * @param	ModeleBoxes[]	$boxlist	A list with boxes/widgets
 * @return	bool					True if the socialnetwork is inside the box/widget list, otherwise false
 */
function _isInBoxListFediverse(int $id, array $boxlist)
{
	foreach ($boxlist as $box) {
		if ($box->boxcode === "lastfediverseinfos") {
			return true;
		}
	}
	return false;
}
