<?php
function act_register($params, $user=0) {
  set_title(_("Registration"));
  if (is_http_post()) {
    $new['password'] = readvar('setpassword');
    $new['repeatpass'] = readvar('repeatpass');
    $new['name'] = readvar('name');
    $new['email'] = readvar('email');
    $new['id'] = readvar('theid');

    $Errors = array();

    if (!ereg('^[A-Za-z0-9.-]{3,29}$',$new['id'])) {
      $Errors[] = _("Account name must consist only of alphanumerics, hyphen and dot,".
		    " and must be longer than 2, and shorter than 30 characters.");
    } else { // Check if it already exists
      $q = mysql_query("select * from users where id='$new[id]'");
      if ($q and mysql_fetch_array($q)) {
	$Errors[] = _("Account with this name already exists. Choose another name.");
      }
    }

    if (!ereg("^[A-Za-z._0-9-]+@[A-Za-z._0-9-]+$",$new['email'])) {
      $Errors[] = _("Invalid e-mail format.");
    } else { // Check if it's already used
      $q = mysql_query("select * from users where email='$new[email]'");
      if ($q and mysql_fetch_array($q)) {
	$Errors[] = _("You cannot register two accounts with the same email address.");
      }
    }

    if (strlen($new['password'])<4) {
      $Errors[] = _("Password must be at least 4 characters.");
    } elseif ($new['password'] != $new['repeatpass']) {
      $Errors[] = _("Your passwords do not match.");
    } else {
      $password = md5($new['password']);
    }

    if (sizeof($Errors) > 0) {
      printout(_("There were some errors. Please go back and fix them.\n"));
      printout("<ul>\n");
      foreach ($Errors as $msg) {
	printout("<li>$msg</li>\n");
      }
      printout("</ul>\n\n");
    } else {
      $q = mysql_query("insert into users values " . 
		       " ( '$new[id]', '$password', '$new[email]', '$new[name]', NOW() )");
      if ($q) {
	printout(_("Account has been created."));
      } else {
	printout (_("There was some unknown error while creating account."));
      }
    }

  } else {
    global $CREATEACCOUNT; // Template
    set_title(_("Create account"));
    $vars = array(''=>'');
    printout(replace_vars($CREATEACCOUNT,$vars));
  }
}
?>