<?

include('inc/global.php');
require_once("classes/constants.phpm");
require_once("classes/request.phpm");
require_once("classes/constraint.phpm");
require_once("classes/constraintfailure.phpm");

// if user is already logged in, send user to members home page
if ($objSession->IsLoggedIn()) {
    header("Location: members.php");
    exit(0);
}

$strTemplateFile = "templates/login.phtml";

$displayHash = Array();

$objRequest = new request();
$blHadProblems = ($objRequest->IsRedirectFollowingConstraintFailure());
$postVars = '';

$displayHash["HADPROBLEMS"] = $blHadProblems;


if ($blHadProblems) {


  // preserve POST variables if there were problems
  $postVars = $objRequest->GetOriginalRequestObjectFollowingConstraintFailure()->GetPostVariables();

  $objFailingRequest = $objRequest->GetOriginalRequestObjectFollowingConstraintFailure();
  $arConstraintFailures = $objFailingRequest->GetConstraintFailures();

  $displayHash["PROBLEMS"] = Array();
  for ($i=0; $i<=sizeof($arConstraintFailures)-1; $i++) {
    $objThisConstraintFailure = &$arConstraintFailures[$i];
    $objThisFailingConstraintObject = $objThisConstraintFailure->GetFailedConstraintObject();
    $intTypeOfFailure = $objThisFailingConstraintObject->GetConstraintType();

    // get the failed parameter in order to customize the error message
    $failedParam = $objThisConstraintFailure->getParameterName();

    switch ($intTypeOfFailure) {
      case CT_MINLENGTH:
        switch($failedParam) {
          case 'loginusername';
            $displayHash["PROBLEMS"][] = "Your username was not long enough. It must be between 3 and 16 characters.";
            break;
          case 'loginpassword';
            $displayHash["PROBLEMS"][] = "Your password was not long enough. It must be between 4 and 16 characters.";
            break;
        }
        break;
      case CT_MAXLENGTH:
        switch($failedParam) {
          case 'loginusername';
            $displayHash["PROBLEMS"][] = "Your username was too long. It must be between 3 and 16 characters.";
            break;
          case 'loginpassword';
            $displayHash["PROBLEMS"][] = "Your password was too long. It must be between 4 and 16 characters.";
            break;
        }
        break;
      case CT_PERMITTEDCHARACTERS:
        switch($failedParam) {
          case 'loginusername';
            $displayHash["PROBLEMS"][] = "Your username contains invalid characters. It must contain only letters and numbers.";
            break;
          case 'loginpassword';
            $displayHash["PROBLEMS"][] = "Your password contained invalid characters.";
            break;
        }
        break;
      case CT_EQUALTO:
        switch($failedParam) {
          case 'validlogin';
            $displayHash["PROBLEMS"][] = "You entered an invalid username or password.";
            break;
          case 'loginallowed';
            $displayHash["PROBLEMS"][] = "You are not allowed to log in.";
            break;            
        }
        break;  
     };
  };
};

require_once($strTemplateFile);
exit(0);
?>