<?php

/*
	Copyright (C) 2014 Deciso B.V.
	Copyright (C) 2004-2012 Scott Ullrich
	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
	All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice,
	   this list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright
	   notice, this list of conditions and the following disclaimer in the
	   documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
	oR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	POSSIBILITY OF SUCH DAMAGE.
*/

// Turn on buffering to speed up rendering
ini_set('output_buffering', 'true');

// Start buffering with a cache size of 100000
ob_start(null, "1000");


## Load Essential Includes
require_once('guiconfig.inc');

if (isset($_REQUEST['closenotice'])) {
    close_notice($_REQUEST['closenotice']);
    echo get_menu_messages();
    exit;
}

##build list of widgets
$directory = "/usr/local/www/widgets/widgets/";
$dirhandle  = opendir($directory);
$filename = "";
$widgetnames = array();
$widgetfiles = array();
$widgetlist = array();

while (false !== ($filename = readdir($dirhandle))) {
    $periodpos = strpos($filename, ".");
    /* Ignore files not ending in .php */
    if (substr($filename, -4, 4) != ".php") {
        continue;
    }
    $widgetname = substr($filename, 0, $periodpos);
    $widgetnames[] = $widgetname;
    if ($widgetname != "system_information") {
        $widgetfiles[] = $filename;
    }
}

##sort widgets alphabetically
sort($widgetfiles);

##insert the system information widget as first, so as to be displayed first
array_unshift($widgetfiles, "system_information.widget.php");

##if no config entry found, initialize config entry
if (!is_array($config['widgets'])) {
    $config['widgets'] = array();
}

if ($_POST && $_POST['sequence']) {
    $config['widgets']['sequence'] = $_POST['sequence'];

    foreach ($widgetnames as $widget) {
        if ($_POST[$widget . '-config']) {
            $config['widgets'][$widget . '-config'] = $_POST[$widget . '-config'];
        }
    }

    write_config(gettext("Widget configuration has been changed."));
    header("Location: index.php");
    exit;
}

## Check to see if we have a swap space,
## if true, display, if false, hide it ...
if (file_exists('/usr/sbin/swapinfo')) {
    $swapinfo = `/usr/sbin/swapinfo`;
    if (stristr($swapinfo, '%')) {
        $showswap = true;
    }
}

##build widget saved list information
if ($config['widgets'] && $config['widgets']['sequence'] != "") {
    $pconfig['sequence'] = $config['widgets']['sequence'];

    $widgetlist = $pconfig['sequence'];
    $colpos = array();
    $savedwidgetfiles = array();
    $widgetname = "";
    $widgetlist = explode(",", $widgetlist);

    ##read the widget position and display information
    foreach ($widgetlist as $widget) {
        $dashpos = strpos($widget, "-");
        $widgetname = substr($widget, 0, $dashpos);
        if (!in_array($widgetname, $widgetnames)) {
            continue;
        }
        $colposition = strpos($widget, ":");
        $displayposition = strrpos($widget, ":");
        $colpos[] = substr($widget, $colposition+1, $displayposition - $colposition-1);
        $displayarray[] = substr($widget, $displayposition+1);
        $savedwidgetfiles[] = $widgetname . ".widget.php";
    }

    ##add widgets that may not be in the saved configuration, in case they are to be displayed later
    foreach ($widgetfiles as $defaultwidgets) {
        if (!in_array($defaultwidgets, $savedwidgetfiles)) {
            $savedwidgetfiles[] = $defaultwidgets;
        }
    }

    ##find custom configurations of a particular widget and load its info to $pconfig
    foreach ($widgetnames as $widget) {
        if (isset($config['widgets'][$widget . '-config'])) {
            $pconfig[$widget . '-config'] = $config['widgets'][$widget . '-config'];
        }
    }

    $widgetlist = $savedwidgetfiles;
} else {
    // no saved widget sequence found, build default list.
    $widgetlist = $widgetfiles;
}



##build list of php include files
$phpincludefiles = array();
$directory = "/usr/local/www/widgets/include/";
$dirhandle  = opendir($directory);
$filename = "";
while (false !== ($filename = readdir($dirhandle))) {
    $phpincludefiles[] = $filename;
}
foreach ($phpincludefiles as $includename) {
    if (!stristr($includename, ".inc")) {
        continue;
    }
    include($directory . $includename);
}

##begin AJAX
$jscriptstr = <<<EOD
<script type="text/javascript">
//<![CDATA[

function widgetAjax(widget) {
	uri = "widgets/widgets/" + widget + ".widget.php";
	var opt = {
		// Use GET
		type: 'get',
		async: true,
		// Handle 404
		statusCode: {
		404: function(t) {
			alert('Error 404: location "' + t.statusText + '" was not found.');
		}
		},
		// Handle other errors
		error: function(t) {
			alert('Error ' + t.status + ' -- ' + t.statusText);
		},
		success: function(data) {
			widget2 = '#' + widget + "-loader";
			jQuery(widget2).fadeOut(1000,function(){
				jQuery('#' + widget).show();
			});
			jQuery('#' + widget).html(data);
		}
	}
	jQuery.ajax(uri, opt);
}


function addWidget(selectedDiv){
	container	=	$('#'+selectedDiv);
	state		=	$('#'+selectedDiv+'-config');

	container.show();
	showSave();
	state.val('show');
}

function configureWidget(selectedDiv){
	selectIntLink = '#' + selectedDiv + "-settings";
	if ($(selectIntLink).css('display') == "none")
		$(selectIntLink).show();
	else
		$(selectIntLink).hide();
}

function showWidget(selectedDiv,swapButtons){
	container	=	$('#'+selectedDiv+'-container');
	min_btn		=	$('#'+selectedDiv+'-min');
	max_btn		=	$('#'+selectedDiv+'-max');
	state		=	$('#'+selectedDiv+'-config');

	container.show();
	min_btn.show();
	max_btn.hide();

	showSave();

	state.val('show');
}

function minimizeWidget(selectedDiv,swapButtons){
	container	=	$('#'+selectedDiv+'-container');
	min_btn		=	$('#'+selectedDiv+'-min');
	max_btn		=	$('#'+selectedDiv+'-max');
	state		=	$('#'+selectedDiv+'-config');

	container.hide();
	min_btn.hide();
	max_btn.show();

	showSave();

	state.val('hide');


}

function closeWidget(selectedDiv){
	widget		=	$('#'+selectedDiv);
	state		=	$('#'+selectedDiv+'-config');

	showSave();
	widget.hide();
	state.val('close');
}

function showSave(){
	$('#updatepref').show();
}

function updatePref(){
	var widgets = $('.widgetdiv');
	var widgetSequence = '';
	var firstprint = false;

	widgets.each(function(key) {
		obj = $(this);

		if (firstprint)
			widgetSequence += ',';


		state = $('input[name='+obj.attr('id')+'-config]').val();

		widgetSequence += obj.attr('id')+'-container:col1:'+state;

		firstprint = true;
	});

	$("#sequence").val(widgetSequence);

	$("#iform").submit();

	return false;
}

function changeTabDIV(selectedDiv){
	var dashpos = selectedDiv.indexOf("-");
	var tabclass = selectedDiv.substring(0,dashpos);
	d = document;
	//get deactive tabs first
	tabclass = tabclass + "-class-tabdeactive";
	var tabs = document.getElementsByClassName(tabclass);
	var incTabSelected = selectedDiv + "-deactive";
	for (i=0; i<tabs.length; i++){
		var tab = tabs[i].id;
		dashpos = tab.lastIndexOf("-");
		var tab2 = tab.substring(0,dashpos) + "-deactive";
		if (tab2 == incTabSelected){
			tablink = d.getElementById(tab2);
			tablink.style.display = "none";
			tab2 = tab.substring(0,dashpos) + "-active";
			tablink = d.getElementById(tab2);
			tablink.style.display = "table-cell";
			//now show main div associated with link clicked
			tabmain = d.getElementById(selectedDiv);
			tabmain.style.display = "block";
		}
		else
		{
			tab2 = tab.substring(0,dashpos) + "-deactive";
			tablink = d.getElementById(tab2);
			tablink.style.display = "table-cell";
			tab2 = tab.substring(0,dashpos) + "-active";
			tablink = d.getElementById(tab2);
			tablink.style.display = "none";
			//hide sections we don't want to see
			tab2 = tab.substring(0,dashpos);
			tabmain = d.getElementById(tab2);
			tabmain.style.display = "none";
		}
	}
}
//]]>
</script>
EOD;

include("head.inc");

?>

<body>



<!--script type="text/javascript">
//<![CDATA[
columns = ['col1','col2','col3','col4', 'col5','col6','col7','col8','col9','col10'];
//]]>
</script-->

<?php
include("fbegin.inc");


echo $jscriptstr;

?>

<?php
    ## If it is the first time webConfigurator has been
    ## accessed since initial install show this stuff.
if (isset($config['trigger_initial_wizard'])) :
?>
	<header class="page-content-head">
		<div class="container-fluid">
			<h1><?= gettext("Starting initial configuration!") ?></h1>
		</div>
	</header>

	<section class="page-content-main">
		<div class="container-fluid col-xs-12 col-sm-10 col-md-9">
			<div class="row">
			<section class="col-xs-12">
				<div class="content-box" style="padding: 20px;">
							<div class="table-responsive">
								<?php
                                echo "<img src=\"/ui/themes/{$themename}/build/images/default-logo.png\" border=\"0\" alt=\"logo\" /><p>\n";
                                ?>
								<br />
								<div class="content-box-main">
                                <?php
                                    echo sprintf(gettext("Welcome to %s!"), $g['product_name']) . "<p>\n";
                                    echo gettext("One moment while we start the initial setup wizard.") . "<p>\n";
                                    echo gettext("Embedded platform users: Please be patient, the wizard takes a little longer to run than the normal GUI.") . "<p>\n";
                                    echo gettext("To bypass the wizard, click on the logo in the upper left corner.") . "\n";
                                ?>
								</div>
							<div>
					</div>
				</section>
			</div>
		</div>
	</section>
	<meta http-equiv="refresh" content="3;url=wizard.php">
	<?php exit; ?>
<?php
endif; ?>

<section class="page-content-main">
	<div class="container-fluid">

        <div class="row">

				<?php
                    $crash_report = get_crash_report();
                if ($crash_report != '') {
                    print_info_box($crash_report);
                }

                    $totalwidgets = count($widgetfiles);
                    $halftotal = $totalwidgets / 2 - 2;
                    $widgetcounter = 0;
                    $directory = "/usr/local/www/widgets/widgets/";
                    $printed = false;
                    $firstprint = false;

                foreach ($widgetlist as $widget) {
                    if (!stristr($widget, "widget.php")) {
                                continue;
                    }
                    $periodpos = strpos($widget, ".");
                    $widgetname = substr($widget, 0, $periodpos);
                    if ($widgetname != "") {
                        $nicename = $widgetname;
                        $nicename = str_replace("_", " ", $nicename);

                        //make the title look nice
                        $nicename = ucwords($nicename);
                    }

                    if (isset($config['widgets']) && isset($pconfig['sequence'])) {
                        if (isset($displayarray[$widgetcounter])) {
                            $disparr = $displayarray[$widgetcounter];
                        } else {
                            $disparr = null;
                        }
                        switch($disparr){
                            case "show":
                                $divdisplay = "block";
                                $display = "block";
                                $inputdisplay = "show";
                                $showWidget = "none";
                                $mindiv = "inline";
                                break;
                            case "hide":
                                $divdisplay = "block";
                                $display = "none";
                                $inputdisplay = "hide";
                                $showWidget = "inline";
                                $mindiv = "none";
                                break;
                            case "close":
                                $divdisplay = "none";
                                $display = "block";
                                $inputdisplay = "close";
                                $showWidget = "none";
                                $mindiv = "inline";
                                break;
                            default:
                                $divdisplay = "none";
                                $display = "block";
                                $inputdisplay = "none";
                                $showWidget = "none";
                                $mindiv = "inline";
                                break;
                        }
                    } else {
                        if ($firstprint == false) {
                            $divdisplay = "block";
                            $display = "block";
                            $inputdisplay = "show";
                            $showWidget = "none";
                            $mindiv = "inline";
                            $firstprint = true;
                        } else {
                            switch ($widget) {
                                case "interface_list.widget.php":
                                case "traffic_graphs.widget.php":
                                    $divdisplay = "block";
                                    $display = "block";
                                    $inputdisplay = "show";
                                    $showWidget = "none";
                                    $mindiv = "inline";
                                    break;
                                default:
                                    $divdisplay = "none";
                                    $display = "block";
                                    $inputdisplay = "close";
                                    $showWidget = "none";
                                    $mindiv = "inline";
                                    break;
                            }
                        }
                    }



                ?>
                    <section class="col-xs-12 col-md-6 widgetdiv" id="<?= $widgetname ?>"  style="display:<?= $divdisplay ?>;">
                    <div class="content-box">
                        <form action="<?=$_SERVER['REQUEST_URI'];?>" method="post" id="iform">
                        <input type="hidden" value="" name="sequence" id="sequence" />
                            <header class="content-box-head container-fluid">

                                <ul class="list-inline __nomb">
                                    <li><h3>
                                    <?php
                                        $widgettitle = $widgetname . "_title";
                                        $widgettitlelink = $widgetname . "_title_link";
                                    if (isset($$widgettitle)) {
                                        //only show link if defined
                                        if ($$widgettitlelink != "") {
?>
                                            <u><span onclick="location.href='/<?= $$widgettitlelink ?>'" style="cursor:pointer">
                                            <?php
                                        }
                                            //echo widget title
                                            echo $$widgettitle;
                                        if (isset($$widgettitlelink)) {
?>
                                            </span></u>
                                            <?php
                                        }
                                    } else {
                                        if (isset($$widgettitlelink)) {
?>
                                            <u><span onclick="location.href='/<?= $$widgettitlelink ?>'" style="cursor:pointer">
                                            <?php
                                        }
                                        echo $nicename;
                                        if (isset($$widgettitlelink)) {
?>
                                        </span></u>
                                        <?php
                                        }
                                    }
                                        ?>
								        </h3></li>

								        <li class="pull-right">
                                        <div class="btn-group">
                                            <button type="button" class="btn btn-default btn-xs" title="minimize" id="<?= $widgetname ?>-min" onclick='return minimizeWidget("<?= $widgetname ?>",true)' style="display:<?= $mindiv ?>;"><span class="glyphicon glyphicon-minus"></span></button>

                                              <button type="button" class="btn btn-default btn-xs" title="maximize" id="<?= $widgetname ?>-max" onclick='return showWidget("<?= $widgetname ?>",true)' style="display:<?= $mindiv == 'none' ? 'inline' : 'none' ?>;"><span class="glyphicon glyphicon-plus"></span></button>

                                            <button type="button" class="btn btn-default btn-xs" title="remove widget" onclick='return closeWidget("<?= $widgetname ?>",true)'><span class="glyphicon glyphicon-remove"></span></button>

                                            <button type="button" class="btn btn-default btn-xs" id="<?= $widgetname ?>-configure" onclick='return configureWidget("<?=  $widgetname ?>")' style="display:none; cursor:pointer" ><span class="glyphicon glyphicon-pencil"></span></button>

                                        </div>
								        </li>
								    </ul>
								</header>
					        </form>
							<div class="content-box-main collapse in" id="<?= $widgetname ?>-container" style="display:<?= $mindiv ?>">
								<input type="hidden" value="<?= $inputdisplay ?>" id="<?= $widgetname ?>-config" name="<?= $widgetname ?>-config" />


									<?php if ($divdisplay != "block") {
?>
									<div id="<?= $widgetname ?>-loader" style="display:<?= $display ?>;" align="center">
										<br />
											<span class="glyphicon glyphicon-refresh"></span> <?= gettext("Loading selected widget") ?>
										<br />
									</div> <?php $display = "none";
} ?>

									<?php
                                    if (file_exists($directory . $widget)) {
                                        if ($divdisplay == 'block') {
                                            include($directory . $widget);
                                        }
                                    } ?>
					<?php $widgetcounter++; ?>
							</div>
				            </div>
				        </section>

				<?php
                } //end foreach ?>

	    </div>
    </div>
</section>



<?php
    //build list of javascript include files
    $jsincludefiles = array();
    $directory = "widgets/javascript/";
    $dirhandle  = opendir($directory);
    $filename = "";
    while (false !== ($filename = readdir($dirhandle))) {
        $jsincludefiles[] = $filename;
    }
    foreach ($jsincludefiles as $jsincludename) {
        if (!preg_match('/\.js$/', $jsincludename)) {
            continue;
        }
        echo "<script src='{$directory}{$jsincludename}' type='text/javascript'></script>\n";
    }
?>


<?php include("foot.inc");