<?php 

include_once 'class.schedule.php';
include_once 'class.class.php';
include_once 'class.section.php';
include_once 'inc/class.page.php';
require_once('inc/schedule_store.inc');

$scripts = array('jQuery', 'jQueryUI', 'jValidate','schedInput');
$inputPage = new page('Scheduler', $scripts, FALSE);

$schedule_store = FALSE;
$sch = FALSE;
$school = $inputPage->get_school();

if (isset($_REQUEST['s']))
  {
    $schedule_store = schedule_store_init();
    $schedule_id = (int)$_REQUEST['s'];
    $sch = schedule_store_retrieve($schedule_store, $schedule_id);
  }

$my_hc = 'jQuery(document).ready(
  function()
  {
    var class_last = 0;

';
if ($sch)
{
  $nclasses = $sch->nclasses_get();
  for ($class_key = 0; $class_key < $nclasses; $class_key ++)
    {
      $my_hc .= input_class_js($sch->class_get($class_key), '    ');
    }
}
else
  {
    $default_classes = school_default_classes($school);
    foreach ($default_classes as $default_class)
      $my_hc .= input_class_js($default_class, '    ');
    $my_hc .= '    class_last = add_class();
';
  }
$my_hc .= '  });
';
$inputPage->headcode_add('scheduleInput', $inputPage->script_wrap($my_hc), TRUE);

$inputPage->head();

/*
 * Force a student to choose a school or declare he's a generic
 * student before displaying the input form. To do this, we need
 * another variable in $_SESSION: $_SESSION['school_chosen'].
 */
if ($school && (!empty($_REQUEST['school']) || $school['id'] != 'default'))
  $_SESSION['school_chosen'] = TRUE;
if (!empty($_REQUEST['selectschool'])
    || $school['id'] == 'default' && !isset($_SESSION['school_chosen']))
  {
    $next_page = 'input.php';
    if (isset($_GET['s']))
      $next_page .= '?s=' . (int)$_GET['s'];
?>
<h2>School Selection</h2>
<p>
  Choose the school you attend from the list below. <b>If you cannot
  find your school</b>, you may proceed using
  the <a href="<?php echo $next_page . (strpos($next_page, '?') === FALSE ? '?' : '&amp;'); ?>school=default">generic
  settings</a>.
</p>
<?php
    $inputPage->showSchools($next_page);
    $inputPage->foot();
    exit;
  }

$inputPage->showSavedScheds($_SESSION);
?>
<p>
  Welcome to SlatePermutate<?php $inputPage->addressStudent(', ', '',
  FALSE); ?>! To get started, enter in some of your
  class IDs, and click the autosuggestion to add available sections for each class.
</p>
<form method="post" action="process.php" id="scheduleForm">
<br />
<label>Schedule Name</label><br />
<input id="scheduleName" style="margin-bottom: 1em;" class="defText required" type="text" size="25" title="Spring 2011" name="postData[name]"
<?php if ($sch) echo 'value="' . htmlentities($sch->getName(), ENT_QUOTES) . '"'; /*"*/ ?>
/>

<table id="container">
  <tr><td>
    <table id="jsrows">
	<!-- Header -->
	<tr>
		<td>Class ID</td>
		<td class="center" id="letterNumber">Section</td>
		<td class="center">Prof</td>
		<td class="center">Start Time</td>
		<td class="center">End Time</td>
		<td class="center">M</td>
		<td class="center">Tu</td>
		<td class="center">W</td>
		<td class="center">Th</td>
		<td class="center">F</td>
		<td class="center"></td>
		<td class="center"></td>
	</tr>
    </table>
  </td>
  </tr>
  
  <tr><td> <span class="gray" style="padding: 0 3.5em 0 3.5em;" id="addclass">Add Class</span></td></tr>
</table>

<div class="paddingtop"><input class="green" style="margin:0;padding:0;" type="submit" value="Find a schedule" /></div>

</form>

<p>&nbsp;<br /><br /><br /></p>
<?php /* RE-enable if advanced options added: <p><span id="showadvanced" style="margin-left: 1em;"><a href="#">Advanced</a></span></p> */ ?>
<?php
$inputPage->showSchoolInstructions();
$inputPage->foot();

function input_class_js(Classes $class, $whitespace = '  ')
{
  $js = $whitespace . 'class_last = add_class_n(\'' . htmlentities($class->getName(), ENT_QUOTES) . "');\n";

  $nsections  = $class->getnsections();
  for ($section_key = $nsections - 1; $section_key >= 0; $section_key --)
    {
      $section = $class->getSection($section_key);
      $meetings = $section->getMeetings();
      foreach ($meetings as $meeting)
	{
	  $js .= $whitespace . 'add_section_n(class_last, \'' . htmlentities($section->getLetter(), ENT_QUOTES) . '\', \''
	    . htmlentities($section->getSynonym(), ENT_QUOTES) . '\', \''
	    . $meeting->getStartTime() . '\', \''
	    . $meeting->getEndTime() . '\', '
	    . json_encode(array('m' => $meeting->getDay(0), 't' => $meeting->getDay(1), 'w' => $meeting->getDay(2), 'h' => $meeting->getDay(3), 'f' => $meeting->getDay(4))) . ', \''
	    . htmlentities($section->getProf(), ENT_QUOTES) . '\', \''
	    . htmlentities($meeting->getLocation(), ENT_QUOTES) . "');\n";
	}
    }

  return $js;
}