<?php
/*
 *  ConPortal - Pomona College ITS scheduling appplication
 *  Copyright (C) 2005-2006  Pomona College
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of version 2 of the GNU General Public License
 *  as published by the Free Software Foundation.
 *
 *  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, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
require_once('standard.php');

// Check if there are any changes requested
$found = false;
foreach ($_POST as $key => $value)
{
	if (intval($value) != 0)
	{
		$found = true;
		break;
	}
}
if (!$found)
{
	error("No changes requested.");
	header("Location: " . $_SERVER['HTTP_REFERER']);
	exit;
}

xhtml_header('Confirm Shift Changes'); 
?>
<form action="redirects/shifts.php" method="post">
<p>You have requested the following changes in the shift schedule:</p>
<ul>
<?php
// Reiterate all selected changes
foreach ($_POST as $key => $value)
{
	$arr = explode('_', $key);
	$shiftPid = intval($arr[0]);
	$timestamp = intval($arr[1]);
	$action = intval($value);
	$actionNamesLookup = array("Nothing ", "Perm take ", "Temp take ", "Perm drop ", "Temp drop ");
	$actionName = $actionNamesLookup[$action];
	if ($shiftPid != 0 and $timestamp != 0 and $action != 0)
	{
		// Get shift information
		$shift_data = getShiftDetails($shiftPid);
		$startTime = $shift_data['start_time'];
		$endTime = $shift_data['end_time'];
		
		// Print notice of change
		echo "<li>$actionName" . date("g:ia", $startTime) . "-" . date("g:ia", $endTime);
		// Print day of week if perm take/drop, full date if temp take/drop
		if ($action == ACTION_PERM_TAKE or $action == ACTION_PERM_DROP)
			echo " on " . date("l", $timestamp) . "s";
		else
			echo " on " . date("l, M d", $timestamp);
		// Print select box of users if taking shift, and the person has the appropriate permission
		if ($action == ACTION_PERM_TAKE or $action == ACTION_TEMP_TAKE)
		{
			if (checkPerm($_SESSION, "shifts"))
			{
				echo " on behalf of <select name=\"{$shiftPid}_user\">\n";
				$users = sortUsersByName(getAllUserDetails());
				foreach ($users as $i => $user)
				{
					if (checkUserCanTakeShift($user['pid'], $shiftPid, $timestamp))
					{
						if (intval($user['pid']) == $_SESSION['pid'])
							echo "<option value=\"{$user['pid']}\" selected='selected'>{$user['name']}</option>\n";
						else
							echo "<option value=\"{$user['pid']}\">{$user['name']}</option>\n";
					}
				}
				echo "</select>";
			}
		}
		echo "</li>\n";
		
		// Hidden form variable to transfer the action through
		echo "<input type=\"hidden\" name=\"$key\" value=\"$value\" />\n";
	}
}

?>
</ul>
<p>Message to be included in Usercons email:</p>
<p><textarea name="email_message" rows="10" cols="50"></textarea></p>
<p><input type="submit" value="Confirm Changes..." /></p>
</form>
<?php
xhtml_footer();
?>