<?php
/**
 *
 * This file is part of HESK - PHP Help Desk Software.
 *
 * (c) Copyright Klemen Stirn. All rights reserved.
 * https://www.hesk.com
 *
 * For the full copyright and license agreement information visit
 * https://www.hesk.com/eula.php
 *
 */

define('IN_SCRIPT',1);
define('HESK_PATH','../');

/* Get all the required files and functions */
require(HESK_PATH . 'hesk_settings.inc.php');
require(HESK_PATH . 'inc/common.inc.php');
require(HESK_PATH . 'inc/admin_functions.inc.php');
hesk_load_database_functions();
require(HESK_PATH . 'inc/posting_functions.inc.php');

hesk_session_start();
hesk_dbConnect();
hesk_isLoggedIn();

/* Check permissions for this feature */
hesk_checkPermission('can_view_tickets');
hesk_checkPermission('can_edit_tickets');

/* Ticket ID */
$trackingID = hesk_cleanID() or die($hesklang['int_error'].': '.$hesklang['no_trackID']);

// Load custom fields
require_once(HESK_PATH . 'inc/custom_fields.inc.php');

// Load calendar JS and CSS
define('CALENDAR',1);

$is_reply = 0;
$tmpvar = array();

if (!isset($_SESSION['iserror']))
{
	$_SESSION['iserror'] = array();
}

/* Get ticket info */
$result = hesk_dbQuery("SELECT * FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."tickets` WHERE `trackid`='".hesk_dbEscape($trackingID)."' LIMIT 1");
if (hesk_dbNumRows($result) != 1)
{
	hesk_error($hesklang['ticket_not_found']);
}
$ticket = hesk_dbFetchAssoc($result);

// Demo mode
if ( defined('HESK_DEMO') )
{
	$ticket['email']	= 'hidden@demo.com';
}

/* Is this user allowed to view tickets inside this category? */
hesk_okCategory($ticket['category']);

if ( hesk_isREQUEST('reply') )
{
	$tmpvar['id'] = intval( hesk_REQUEST('reply') ) or die($hesklang['id_not_valid']);

	$result = hesk_dbQuery("SELECT * FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."replies` WHERE `id`='{$tmpvar['id']}' AND `replyto`='".intval($ticket['id'])."' LIMIT 1");
	if (hesk_dbNumRows($result) != 1)
    {
    	hesk_error($hesklang['id_not_valid']);
    }
    $reply = hesk_dbFetchAssoc($result);
    $ticket['message'] = $reply['message'];
    $is_reply = 1;
}

// Count number of existing attachments for this post
$number_of_attachments = $is_reply ? hesk_countAttachments($reply['attachments']) : hesk_countAttachments($ticket['attachments']);

if (isset($_POST['save']))
{
	/* A security check */
	hesk_token_check('POST');

	$hesk_error_buffer = array();

    // Add attachments?
    if ($hesk_settings['attachments']['use'] && $number_of_attachments < $hesk_settings['attachments']['max_number'])
    {
        require(HESK_PATH . 'inc/attachments.inc.php');
        $attachments = array();
        for ($i=$number_of_attachments+1;$i<=$hesk_settings['attachments']['max_number'];$i++)
        {
            $att = hesk_uploadFile($i);
            if ($att !== false && !empty($att))
            {
                $attachments[$i] = $att;
            }
        }
    }
    $myattachments = '';

    if ($is_reply)
    {
		$tmpvar['message'] = hesk_input( hesk_POST('message') ) or $hesk_error_buffer[]=$hesklang['enter_message'];

	    if (count($hesk_error_buffer))
	    {
            // Remove any successfully uploaded attachments
            if ($hesk_settings['attachments']['use'] && isset($attachments))
            {
                hesk_removeAttachments($attachments);
            }

	    	$myerror = '<ul>';
		    foreach ($hesk_error_buffer as $error)
		    {
		        $myerror .= "<li>$error</li>\n";
		    }
	        $myerror .= '</ul>';
	    	hesk_error($myerror);
	    }

		$tmpvar['message'] = hesk_makeURL($tmpvar['message']);
		$tmpvar['message'] = nl2br($tmpvar['message']);

        if ($hesk_settings['attachments']['use'] && !empty($attachments))
        {
            foreach ($attachments as $myatt)
            {
                hesk_dbQuery("INSERT INTO `".hesk_dbEscape($hesk_settings['db_pfix'])."attachments` (`ticket_id`,`saved_name`,`real_name`,`size`) VALUES ('".hesk_dbEscape($trackingID)."','".hesk_dbEscape($myatt['saved_name'])."','".hesk_dbEscape($myatt['real_name'])."','".intval($myatt['size'])."')");
                $myattachments .= hesk_dbInsertID() . '#' . $myatt['real_name'] .',';
            }
        }

        hesk_dbQuery("UPDATE `".hesk_dbEscape($hesk_settings['db_pfix'])."replies` SET `message`='".hesk_dbEscape($tmpvar['message'])."', `attachments`=CONCAT(`attachments`, '".hesk_dbEscape($myattachments)."') WHERE `id`='".intval($tmpvar['id'])."' AND `replyto`='".intval($ticket['id'])."'");
    }
    else
    {
		$tmpvar['name']    = hesk_input( hesk_POST('name') ) or $hesk_error_buffer[]=$hesklang['enter_your_name'];

        if ($hesk_settings['require_email'])
        {
            $tmpvar['email'] = hesk_validateEmail( hesk_POST('email'), 'ERR', 0) or $hesk_error_buffer['email']=$hesklang['enter_valid_email'];
        }
        else
        {
            $tmpvar['email'] = hesk_validateEmail( hesk_POST('email'), 'ERR', 0);

            // Not required, but must be valid if it is entered
            if ($tmpvar['email'] == '')
            {
                if (strlen(hesk_POST('email')))
                {
                    $hesk_error_buffer['email'] = $hesklang['not_valid_email'];
                }
            }
        }

		$tmpvar['subject'] = hesk_input( hesk_POST('subject') ) or $hesk_error_buffer[]=$hesklang['enter_ticket_subject'];
		$tmpvar['message'] = hesk_input( hesk_POST('message') );
        if ($hesk_settings['require_message'] == 1 && $tmpvar['message'] == '')
        {
            $hesk_error_buffer[] = $hesklang['enter_message'];
        }

		// Demo mode
		if ( defined('HESK_DEMO') )
		{
			$tmpvar['email'] = 'hidden@demo.com';
		}

// Custom fields
foreach ($hesk_settings['custom_fields'] as $k=>$v)
{
	if ($v['use'] && hesk_is_custom_field_in_category($k, $ticket['category']))
    {
        if ($v['type'] == 'checkbox')
        {
			$tmpvar[$k]='';

        	if (isset($_POST[$k]) && is_array($_POST[$k]))
            {
				foreach ($_POST[$k] as $myCB)
				{
					$tmpvar[$k] .= ( is_array($myCB) ? '' : hesk_input($myCB) ) . '<br />';;
				}
				$tmpvar[$k]=substr($tmpvar[$k],0,-6);
            }
            else
            {
            	if ($v['req'] == 2)
                {
					$hesk_error_buffer[$k]=$hesklang['fill_all'].': '.$v['name'];
                }
            	$_POST[$k] = '';
            }
        }
        elseif ($v['type'] == 'date')
        {
        	$tmpvar[$k] = hesk_POST($k);
            $_SESSION["as_$k"] = '';

			if (preg_match("/^[0-9]{2}\/[0-9]{2}\/[0-9]{4}$/", $tmpvar[$k]))
			{
            	$date = strtotime($tmpvar[$k] . ' t00:00:00 UTC');
                $dmin = strlen($v['value']['dmin']) ? strtotime($v['value']['dmin'] . ' t00:00:00 UTC') : false;
                $dmax = strlen($v['value']['dmax']) ? strtotime($v['value']['dmax'] . ' t00:00:00 UTC') : false;

                $_SESSION["as_$k"] = $tmpvar[$k];

	            if ($dmin && $dmin > $date)
	            {
					$hesk_error_buffer[$k] = sprintf($hesklang['d_emin'], $v['name'], hesk_custom_date_display_format($dmin, $v['value']['date_format']));
	            }
	            elseif ($dmax && $dmax < $date)
	            {
					$hesk_error_buffer[$k] = sprintf($hesklang['d_emax'], $v['name'], hesk_custom_date_display_format($dmax, $v['value']['date_format']));
	            }
                else
                {
                	$tmpvar[$k] = $date;
                }
			}
            else
            {
				if ($v['req'] == 2)
				{
					$hesk_error_buffer[$k]=$hesklang['fill_all'].': '.$v['name'];
				}
            }
        }
        elseif ($v['type'] == 'email')
        {
			$tmp = $hesk_settings['multi_eml'];
            $hesk_settings['multi_eml'] = $v['value']['multiple'];
			$tmpvar[$k] = hesk_validateEmail( hesk_POST($k), 'ERR', 0);
            $hesk_settings['multi_eml'] = $tmp;

            if ($tmpvar[$k] != '')
            {
				$_SESSION["as_$k"] = hesk_input($tmpvar[$k]);
            }
            else
            {
            	$_SESSION["as_$k"] = '';

                if ($v['req'] == 2)
                {
            		$hesk_error_buffer[$k] = $v['value']['multiple'] ? sprintf($hesklang['cf_noem'], $v['name']) : sprintf($hesklang['cf_noe'], $v['name']);
                }
            }
        }
		elseif ($v['req'] == 2)
        {
        	$tmpvar[$k]=hesk_makeURL(nl2br(hesk_input( hesk_POST($k) )));
            if ($tmpvar[$k] == '')
            {
            	$hesk_error_buffer[$k]=$hesklang['fill_all'].': '.$v['name'];
            }
        }
        else
        {
    		$tmpvar[$k]=hesk_makeURL(nl2br(hesk_input(hesk_POST($k))));
        }
	}
    else
    {
    	$tmpvar[$k] = '';
    }
}

	    if (count($hesk_error_buffer))
	    {
            // Remove any successfully uploaded attachments
            if ($hesk_settings['attachments']['use'] && isset($attachments))
            {
                hesk_removeAttachments($attachments);
            }

	    	$myerror = '<ul>';
		    foreach ($hesk_error_buffer as $error)
		    {
		        $myerror .= "<li>$error</li>\n";
		    }
	        $myerror .= '</ul>';
	    	hesk_error($myerror);
	    }

		$tmpvar['message'] = hesk_makeURL($tmpvar['message']);
		$tmpvar['message'] = nl2br($tmpvar['message']);

        if ($hesk_settings['attachments']['use'] && !empty($attachments))
        {
            foreach ($attachments as $myatt)
            {
                hesk_dbQuery("INSERT INTO `".hesk_dbEscape($hesk_settings['db_pfix'])."attachments` (`ticket_id`,`saved_name`,`real_name`,`size`) VALUES ('".hesk_dbEscape($trackingID)."','".hesk_dbEscape($myatt['saved_name'])."','".hesk_dbEscape($myatt['real_name'])."','".intval($myatt['size'])."')");
                $myattachments .= hesk_dbInsertID() . '#' . $myatt['real_name'] .',';
            }
        }

		$custom_SQL = '';
		for ($i=1; $i<=50; $i++)
		{
			$custom_SQL .= '`custom'.$i.'`=' . (isset($tmpvar['custom'.$i]) ? "'".hesk_dbEscape($tmpvar['custom'.$i])."'" : "''") . ',';
		}
		$custom_SQL = rtrim($custom_SQL, ',');

		hesk_dbQuery("UPDATE `".hesk_dbEscape($hesk_settings['db_pfix'])."tickets` SET
		`name`='".hesk_dbEscape($tmpvar['name'])."',
		`email`='".hesk_dbEscape($tmpvar['email'])."',
		`subject`='".hesk_dbEscape($tmpvar['subject'])."',
		`message`='".hesk_dbEscape($tmpvar['message'])."',
        `attachments`=CONCAT(`attachments`, '".hesk_dbEscape($myattachments)."'),
		$custom_SQL
		WHERE `id`='".intval($ticket['id'])."'");
    }

    unset($tmpvar);
    hesk_cleanSessionVars('tmpvar');

    hesk_process_messages($hesklang['edt2'],'admin_ticket.php?track='.$trackingID.'&Refresh='.mt_rand(10000,99999),'SUCCESS');
}

$ticket['message'] = hesk_msgToPlain($ticket['message'],0,0);

/* Print header */
require_once(HESK_PATH . 'inc/header.inc.php');

/* Print admin navigation */
require_once(HESK_PATH . 'inc/show_admin_nav.inc.php');
?>

</td>
</tr>
<tr>
<td>

<p><span class="smaller"><a href="admin_ticket.php?track=<?php echo $trackingID; ?>&amp;Refresh=<?php echo mt_rand(10000,99999); ?>" class="smaller"><?php echo $hesklang['ticket'].' '.$trackingID; ?></a> &gt;
<?php echo $hesklang['edtt']; ?></span></p>


<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
	<td width="7" height="7"><img src="../img/roundcornerslt.jpg" width="7" height="7" alt="" /></td>
	<td class="roundcornerstop"></td>
	<td><img src="../img/roundcornersrt.jpg" width="7" height="7" alt="" /></td>
</tr>
<tr>
	<td class="roundcornersleft">&nbsp;</td>
	<td>

	<h3 align="center"><?php echo $hesklang['edtt']; ?></h3>

	<form method="post" action="edit_post.php" name="form1" enctype="multipart/form-data">

    <?php
    /* If it's not a reply edit all the fields */
    if (!$is_reply)
    {
		?>
        <br />

        <div align="center">
		<table border="0" cellspacing="1">
		<tr>
		<td style="text-align:right"><?php echo $hesklang['subject']; ?>: </td>
		<td><input type="text" name="subject" size="40" maxlength="70" value="<?php echo $ticket['subject'];?>" /></td>
		</tr>
		<tr>
		<td style="text-align:right"><?php echo $hesklang['name']; ?>: </td>
		<td><input type="text" name="name" size="40" maxlength="50" value="<?php echo $ticket['name'];?>" /></td>
		</tr>
		<tr>
		<td style="text-align:right"><?php echo $hesklang['email']; ?>: </td>
		<td><input type="text" name="email" size="40" maxlength="1000" value="<?php echo $ticket['email'];?>" /></td>
		</tr>

        <?php

	foreach ($hesk_settings['custom_fields'] as $k=>$v)
	{
		if ($v['use'] && hesk_is_custom_field_in_category($k, $ticket['category']) )
	    {
			$k_value  = $ticket[$k];

			if ($v['type'] == 'checkbox')
            {
            	$k_value = explode('<br />',$k_value);
            }

			$v['req'] = $v['req']==2 ? '<font class="important">*</font>' : '';

	        switch ($v['type'])
	        {
	        	/* Radio box */
	        	case 'radio':
					echo '
					<tr>
					<td style="text-align:right" width="150" valign="top">'.$v['name:'].' '.$v['req'].'</td>
	                <td width="80%">';

                    $cls = in_array($k,$_SESSION['iserror']) ? ' class="isError" ' : '';

	                foreach ($v['value']['radio_options'] as $option)
	                {
		            	if (strlen($k_value) == 0)
		                {
	                    	$k_value = $option;
                            $checked = empty($v['value']['no_default']) ? 'checked="checked"' : '';
	                    }
		            	elseif ($k_value == $option)
		                {
	                    	$k_value = $option;
							$checked = 'checked="checked"';
	                    }
	                    else
	                    {
	                    	$checked = '';
	                    }

	                	echo '<label><input type="radio" name="'.$k.'" value="'.$option.'" '.$checked.' '.$cls.' /> '.$option.'</label><br />';
	                }

	                echo '</td>
					</tr>
					';
	            break;

	            /* Select drop-down box */
	            case 'select':

                	$cls = in_array($k,$_SESSION['iserror']) ? ' class="isError" ' : '';

					echo '
					<tr>
					<td style="text-align:right" width="150">'.$v['name:'].' '.$v['req'].'</td>
	                <td width="80%"><select name="'.$k.'" '.$cls.'>';

					// Show "Click to select"?
					if ( ! empty($v['value']['show_select']))
					{
                    	echo '<option value="">'.$hesklang['select'].'</option>';
					}

	                foreach ($v['value']['select_options'] as $option)
	                {
		            	if ($k_value == $option)
		                {
	                    	$k_value = $option;
	                        $selected = 'selected="selected"';
		                }
	                    else
	                    {
	                    	$selected = '';
	                    }

	                	echo '<option '.$selected.'>'.$option.'</option>';
	                }

	                echo '</select></td>
					</tr>
					';
	            break;

	            /* Checkbox */
	        	case 'checkbox':
					echo '
					<tr>
					<td style="text-align:right" width="150" valign="top">'.$v['name:'].' '.$v['req'].'</td>
	                <td width="80%">';

                    $cls = in_array($k,$_SESSION['iserror']) ? ' class="isError" ' : '';

	                foreach ($v['value']['checkbox_options'] as $option)
	                {
		            	if (in_array($option,$k_value))
		                {
							$checked = 'checked="checked"';
	                    }
	                    else
	                    {
	                    	$checked = '';
	                    }

	                	echo '<label><input type="checkbox" name="'.$k.'[]" value="'.$option.'" '.$checked.' '.$cls.' /> '.$option.'</label><br />';
	                }

	                echo '</td>
					</tr>
					';
	            break;

	            /* Large text box */
	            case 'textarea':
                    $cls = in_array($k,$_SESSION['iserror']) ? ' class="isError" ' : '';
                    $k_value = hesk_msgToPlain($k_value,0,0);

					echo '
					<tr>
					<td style="text-align:right" width="150" valign="top">'.$v['name:'].' '.$v['req'].'</td>
					<td width="80%"><textarea name="'.$k.'" rows="'.intval($v['value']['rows']).'" cols="'.intval($v['value']['cols']).'" '.$cls.'>'.$k_value.'</textarea></td>
					</tr>
	                ';
	            break;

	            // Date
	            case 'date':
                    $cls = in_array($k,$_SESSION['iserror']) ? ' class="isError" ' : '';

                    $k_value = hesk_custom_date_display_format($k_value, 'm/d/Y');

					echo '
					<tr>
					<td style="text-align:right" width="150">'.$v['name:'].' '.$v['req'].'</td>
					<td width="80%"><input type="text" name="'.$k.'" value="'.$k_value.'" class="tcal'.(in_array($k,$_SESSION['iserror']) ? ' isError' : '').'" size="10" '.$cls.' /></td>
					</tr>
					';
	            break;

	            // Email
	            case 'email':
                    $cls = in_array($k,$_SESSION['iserror']) ? ' class="isError" ' : '';

                    $suggest = $hesk_settings['detect_typos'] ? 'onblur="Javascript:hesk_suggestEmail(\''.$k.'\', \''.$k.'_suggestions\', 0, 1'.($v['value']['multiple'] ? ',1' : '').')"' : '';

					echo '
					<tr>
					<td style="text-align:right" width="150">'.$v['name:'].' '.$v['req'].'</td>
					<td width="80%"><input type="text" name="'.$k.'" id="'.$k.'" value="'.$k_value.'" size="40" '.$cls.' '.$suggest.' />
                    	<div id="'.$k.'_suggestions"></div>
                    </td>
					</tr>
					';
	            break;

	            // Hidden
                // Handle as text fields for staff

	            /* Default text input */
	            default:
                	if (strlen($k_value) != 0)
                    {
                    	$v['value']['default_value'] = $k_value;
                    }

                    $cls = in_array($k,$_SESSION['iserror']) ? ' class="isError" ' : '';

					echo '
					<tr>
					<td style="text-align:right" width="150">'.$v['name:'].' '.$v['req'].'</td>
					<td width="80%"><input type="text" name="'.$k.'" size="40" maxlength="'.intval($v['value']['max_length']).'" value="'.$v['value']['default_value'].'" '.$cls.' /></td>
					</tr>
					';
	        }
	    }
	}
        ?>
		</table>
        </div>
        <?php
    }
    ?>

	<p style="text-align:center">&nbsp;<br /><?php echo $hesklang['message']; ?>:<br />
	<textarea name="message" rows="12" cols="60"><?php echo $ticket['message']; ?></textarea></p>

    <?php
    // attachments
    if ($hesk_settings['attachments']['use'] && $number_of_attachments < $hesk_settings['attachments']['max_number'])
    {
        echo '<p align="center">' . $hesklang['attachments'] . ' (<a href="Javascript:void(0)" onclick="Javascript:hesk_window(\'../file_limits.php\',250,500);return false;">' . $hesklang['ful'] . '</a>):<br />';
        for ($i=$number_of_attachments+1;$i<=$hesk_settings['attachments']['max_number'];$i++)
        {
            echo '<input type="file" name="attachment['.$i.']" size="50" /><br />';
        }
        echo '&nbsp;</p>';
    }
    ?>

	<p style="text-align:center">
	<input type="hidden" name="save" value="1" /><input type="hidden" name="track" value="<?php echo $trackingID; ?>" />
    <input type="hidden" name="token" value="<?php hesk_token_echo(); ?>" />
	<?php
	if ($is_reply)
	{
		?>
		<input type="hidden" name="reply" value="<?php echo $tmpvar['id']; ?>" />
		<?php
	}
	?>
	<input type="submit" value="<?php echo $hesklang['save_changes']; ?>" class="orangebutton" onmouseover="hesk_btn(this,'orangebuttonover');" onmouseout="hesk_btn(this,'orangebutton');" /></p>

	</form>

	</td>
	<td class="roundcornersright">&nbsp;</td>
</tr>
<tr>
	<td><img src="../img/roundcornerslb.jpg" width="7" height="7" alt="" /></td>
	<td class="roundcornersbottom"></td>
	<td width="7" height="7"><img src="../img/roundcornersrb.jpg" width="7" height="7" alt="" /></td>
</tr>
</table>

<p style="text-align:center"><a href="javascript:history.go(-1)"><?php echo $hesklang['back']; ?></a></p>

<p>&nbsp;</p>

<?php
require_once(HESK_PATH . 'inc/footer.inc.php');
exit();


function hesk_countAttachments($attachments_string)
{
    if ( ! strlen($attachments_string) || strpos($attachments_string, ',') === false)
    {
        return 0;
    }

    $att = explode(',', substr($attachments_string, 0, -1));

    return count($att);

} // END hesk_countAttachments()
