<?php
/* For licensing terms, see /license.txt*/
/**
* @package chamilo.user
*/
/**
 * Code
 */

/* INIT */

// name of the language file that needs to be included
$language_file="registration";

include("../inc/global.inc.php");
require_once(api_get_path(INCLUDE_PATH).'lib/mail.lib.inc.php');
$this_section=SECTION_COURSES;

if (! ($is_courseAdmin || $is_platformAdmin)) api_not_allowed(true);

$currentCourseID   = $_course['sysCode'];
$currentCourseName = $_course['official_code'];
$tbl_user          = "user";
$tbl_courseUser    = "course_rel_user";


/* DATA CHECKING */

if($register) {
    /*
     * Fields Checking
     */

    $lastname_form    = trim($lastname_form);
    $firstname_form   = trim($firstname_form);
    $password_form = trim($password_form);
    $username_form = trim($username_form);
    $email_form    = trim($email_form);
    $official_code_form = trim($official_code_form);

    // empty field checking

    if(empty($lastname_form) || empty($firstname_form) || empty($password_form) || empty($username_form) || empty($email_form))
    {
        $dataChecked = false;
        $message     = get_lang('Filled');
    }

    // valid mail address checking

    elseif(!eregi('^[0-9a-z_.-]+@([0-9a-z-]+\.)+([0-9a-z]){2,4}$',$email_form))
    {
        $dataChecked = false;
        $message     = get_lang('EmailWrong');
    }
    else
    {
        $dataChecked = true;
    }

    // prevent conflict with existing user account

    if($dataChecked)
    {
        $result=Database::query("SELECT user_id,
                               (username='$username_form') AS loginExists,
                               (lastname='$lastname_form' AND firstname='$firstname_form' AND email='$email_form') AS userExists
                             FROM $tbl_user
                             WHERE username='$username_form' OR (lastname='$lastname_form' AND firstname='$firstname_form' AND email='$email_form')
                             ORDER BY userExists DESC, loginExists DESC");

        if(Database::num_rows($result))
        {
            while($user=Database::fetch_array($result))
            {
                // check if the user is already registered to the platform

                if($user['userExists'])
                {
                    $userExists = true;
                    $userId     = $user['user_id'];
                    break;
                }

                // check if the login name choosen is already taken by another user

                if($user['loginExists'])
                {
                    $loginExists = true;
                    $userId      = 0;

                    $message     = get_lang('UserNo')." (".stripslashes($username_form).") ".get_lang('Taken');

                    break;
                }
            }       // end while $result
        }         // end if num rows
    }           // end if datachecked


/*=============================
  NEW USER REGISTRATION PROCESS
  =============================*/

    if($dataChecked && !$userExists && !$loginExists)
    {
            /*---------------------------
                  PLATFORM REGISTRATION
              ----------------------------*/

        if ($_cid) $platformStatus = STUDENT;          // course registrartion context...
        else       $platformStatus = $platformStatus; // admin section of the platform context...

        $pw = api_get_encrypted_password($password_form);
        $result = Database::query("INSERT INTO $tbl_user
                               SET lastname       = '$lastname_form',
                                   firstname    = '$firstname_form',
                                   username  = '$username_form',
                                   password  = '$pw',
                                   email     = '$email_form',
                                   status    = '$platformStatus',
                                   official_code = '$official_code_form',
                                   creator_id = '".$_user['user_id']."'");

        $userId = Database::insert_id();

        if ($userId) $platformRegSucceed = true;
    }

    if($userId && $_cid)
    {
        /*
          Note : As we temporarly use this script in the platform administration
          section to also add user to the platform, We have to prevent course
          registration. That's why we check if $_cid is initialized, it gives us
          an hint about the use context of the script
        */

            /*---------------------------
                  COURSE REGISTRATION
              ----------------------------*/

        /*
         * check the return value of the query
         * if 0, the user is already registered to the course
         */

        if (Database::query("INSERT INTO $tbl_courseUser
                        SET user_id     = '$userId',
                            course_code  = '$currentCourseID',
                            status      = '$admin_form',
                            tutor_id       = '$tutor_form'"))
        {
            $courseRegSucceed = true;
        }
    } // if $platformRegSucceed && $_cid


    /*---------------------------
       MAIL NOTIFICATION TO NEW USER
      ----------------------------*/

    if ($platformRegSucceed)
    {

        $emailto       = "$lastname_form $firstname_form <$email_form>";
        $emailfromaddr = $administratorEmail;
        $emailfromname = api_get_setting('siteName');
        $emailsubject  = get_lang('YourReg').' '.api_get_setting('siteName');

        $emailheaders  = "From: ".api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, PERSON_NAME_EMAIL_ADDRESS)." <".$administratorEmail.">\n";
        $emailheaders .= "Reply-To: ".$administratorEmail."\n";
        $emailheaders .= "Return-Path: ".$administratorEmail."\n";
        $emailheaders .= "charset: ".api_get_system_encoding()."\n";
        $emailheaders .= "X-Mailer: PHP/" . phpversion() . "\n";
        $emailheaders .= "X-Sender-IP: $REMOTE_ADDR"; // (small security precaution...)
        $recipient_name = api_get_person_name($firstname_form, $lastname_form, null, PERSON_NAME_EMAIL_ADDRESS);
        $sender_name = api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, PERSON_NAME_EMAIL_ADDRESS);
        $email_admin = api_get_setting('emailAdministrator');

        $portal_url = $_configuration['root_web'];
        if ($_configuration['multiple_access_urls']) {
            $access_url_id = api_get_current_access_url_id();
            if ($access_url_id != -1 ){
                $url = api_get_access_url($access_url_id);
                $portal_url = $url['url'];
            }
        }

        if ($courseRegSucceed)
        {
            $emailbody = get_lang('Dear')." ".stripslashes(api_get_person_name($firstname_form, $lastname_form)).",\n".get_lang('OneResp')." $currentCourseName ".get_lang('RegYou')." ".api_get_setting('siteName')." ".get_lang('WithTheFollowingSettings')."\n\n".get_lang('Username')." : $username_form\n".get_lang('Pass').": $password_form\n".get_lang('Address')." ".api_get_setting('siteName')." ".get_lang('Is').": ".$portal_url."\n".get_lang('Problem')."\n".get_lang('SignatureFormula').",\n".api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'))."\n".get_lang('Manager')." ".api_get_setting('siteName')." \nT. ".api_get_setting('administratorTelephone')."\n".get_lang('Email').": ".api_get_setting('emailAdministrator')."\n";
            $message = get_lang('TheU')." ".stripslashes(api_get_person_name($firstname_form, $lastname_form))." ".get_lang('AddedToCourse')."<a href=\"user.php\">".get_lang('BackUser')."</a>\n";
        }
        else
        {
            $emailbody = get_lang('Dear')." ".api_get_person_name($firstname_form, $lastname_form).",\n ".get_lang('YouAreReg')."  ".api_get_setting('siteName')."  ".get_lang('WithTheFollowingSettings')."\n\n".get_lang('Username')." : $username_form\n".get_lang('Pass').": $password_form\n".get_lang('Address')." ".api_get_setting('siteName')." ".get_lang('Is').": ".$portal_url."\n".get_lang('Problem')."\n".get_lang('SignatureFormula').",\n".api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'))."\n".get_lang('Manager')." ".api_get_setting('siteName')." \nT. ".api_get_setting('administratorTelephone')."\n".get_lang('Email').": ".api_get_setting('emailAdministrator')."\n";

            $message = stripslashes(api_get_person_name($firstname_form, $lastname_form))." ".get_lang('AddedU');
        }

        $plugin = new AppPlugin();
        $additionalParameters = array(
            'smsType' => constant($plugin->getSMSPluginName().'::BEEN_SUBSCRIBED_COURSE'),
            'userId' => $user_id,
            'courseTitle' => $currentCourseName
        );

        api_mail_html(
            $recipient_name,
            $email_form,
            $emailsubject,
            $emailbody,
            $sender_name,
            $email_admin,
            null,
            null,
            null,
            $additionalParameters
        );

        /*
         * remove <form> variables to prevent any pre-filled fields
         */

        unset($lastname_form, $firstname_form, $username_form, $password_form, $email_form, $admin_form, $tutor_form);

    }   // end if ($platformRegSucceed)
    //else
    //{
    //  $message = get_lang('UserAlreadyRegistered');
    //}

} // end if register request

$interbreadcrumb[] = array ("url"=>"user.php", "name"=> get_lang('ToolUser'));

$nameTools = get_lang('AddAU');

Display::display_header($nameTools, "User");


?>


<h3><?php echo get_lang('ToolUser'); ?></h3>

<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
  <td><h4><?php echo $nameTools; ?></h4></td>
  <td></td>
</tr>
</table>

<?php
/*==========================
     ADD ONE USER FORM
  ==========================*/
?>

<?php echo get_lang('OneByOne'); ?>. <?php echo get_lang('UserOneByOneExplanation'); ?>

<form method="post" action="<?php echo api_get_self(); ?>?register=yes">
<table cellpadding="3" cellspacing="0" border="0">

<?php
if(!empty($message))
{
?>

<tr>
  <td colspan="2">

<?php
    Display::display_normal_message($message); //main API
?>

  </td>
</tr>

<?php
}

if (api_is_western_name_order()) {
?>
<tr>
<td align="right"><?php echo get_lang('FirstName'); ?> :</td>
<td><input type="text" size="15" name="firstname_form" value="<?php echo api_htmlentities(stripslashes($firstname_form), ENT_QUOTES, $charset); ?>" /></td>
</tr>
<tr>
<td align="right"><?php echo get_lang('LastName'); ?> :</td>
<td><input type="text" size="15" name="lastname_form" value="<?php echo api_htmlentities(stripslashes($lastname_form), ENT_QUOTES, $charset); ?>" /></td>
</tr>
<?php
} else {
?>
<tr>
<td align="right"><?php echo get_lang('LastName'); ?> :</td>
<td><input type="text" size="15" name="lastname_form" value="<?php echo api_htmlentities(stripslashes($lastname_form), ENT_QUOTES, $charset); ?>" /></td>
</tr>
<tr>
<td align="right"><?php echo get_lang('FirstName'); ?> :</td>
<td><input type="text" size="15" name="firstname_form" value="<?php echo api_htmlentities(stripslashes($firstname_form), ENT_QUOTES, $charset); ?>" /></td>
</tr>
<?php
}
?>
<tr>
<td align="right"><?php echo get_lang('OfficialCode'); ?> :</td>
<td><input type="text" size="15" name="official_code_form" value="<?php echo api_htmlentities(stripslashes($official_code_form), ENT_QUOTES, $charset); ?>" /></td>
</tr>
<tr>
<td align="right"><?php echo  get_lang('UserName') ?> :</td>
<td><input type="text" size="15" name="username_form" value="<?php echo api_htmlentities(stripslashes($username_form), ENT_QUOTES, $charset); ?>" /></td>
</tr>
<tr>
<td align="right"><?php echo  get_lang('Pass') ?> :</td>
<td><input type="password" size="15" name="password_form" value="<?php echo api_htmlentities(stripslashes($password_form), ENT_QUOTES, $charset) ?>" /></td>
</tr>
<tr>
<td align="right"><?php echo  get_lang('Email'); ?> :</td>
<td><input type="text" size="15" name="email_form" value="<?php echo $email_form; ?>" /></td>
</tr>
<tr>
<?php

if ($_cid) // if we're inside a course, then it's a course registration
{

?>
<td align="right"><?php echo  get_lang('Tutor'); ?> :</td>
<td><input class="checkbox" type="radio" name="tutor_form" value="0" <?php if(!isset($tutor_form) || !$tutor_form) echo 'checked="checked"'; ?> /> <?php echo get_lang('No'); ?>
<input class="checkbox" type="radio" name="tutor_form" value="1" <?php if($tutor_form == 1) echo 'checked="checked"'; ?> /> <?php echo  get_lang('Yes') ?></td>
</tr>
<tr>
<td align="right"><?php echo  get_lang('Manager') ?> :</td>
<td><input class="checkbox" type="radio" name="admin_form" value="5" <?php if(!isset($admin_form) || $admin_form == 5) echo 'checked="checked"'; ?> /> <?php echo get_lang('No') ?>
<input class="checkbox" type="radio" name="admin_form" value="1" <?php if($admin_form == 1) echo 'checked="checked"'; ?> /> <?php echo  get_lang('Yes'); ?></td>
</tr>
<?php

}     // end if $_cid - for the case we're not in a course registration
            // but a platform registration
else
{

?>
<tr>
<td align="right"><?php echo  get_lang('Status') ?> : </td>
<td>
<select name="platformStatus">
<option value="<?php echo STUDENT ?>"><?php echo  get_lang('RegStudent') ?></option>
<option value="<?php echo COURSEMANAGER ?>"><?php echo  get_lang('RegAdmin') ?></option>
</select>
</td>
</tr>

<?php
} // end else if $_cid
?>
<tr>
<td>&nbsp;</td>
<td><input type="submit" name="submit" value="<?php echo  get_lang('Ok') ?>" /></td>
</tr>
</table>
</form>

<?php

/*==========================
    IMPORT XML/CSV USER LIST
  ==========================*/

echo "<p>".get_lang('IfYouWantToAddManyUsers')."</p>";
Display::display_footer();