function OdnHelper() {
  this.currentPage = 0;
  this.onFriendAdded = function (sender, friendId) { }
  this.onFriendRemoved = function (sender, friendId) { }
}

var _odnHelper = new OdnHelper();

function onAjaxError(msg) {
//  alert('Something went wrong...');
}


function hasOdnProfile() {
  var hasOdnProfile = false;
  ajaxCall('/odnHome/ajaxCheckProfile',
          null,
          'post',
          function(success, params, result) {
            if (success) {
              hasOdnProfile = result.hasProfile;
            }
          }, false);
  return hasOdnProfile;
}

function ajaxCall(url, parameters, method, callback, asynchronous, disableMessages) {
  if (typeof asynchronous == "undefined") {
    asynchronous = true;
  }
  if (typeof disableMessages == "undefined") {
    disableMessages = false;
  }

  new Ajax.Request(url,
  {
    asynchronous: asynchronous,
    method: method,
    parameters: parameters,
    onSuccess: function(transport){
    if (transport.status == 0) {
      return; // interrupted
    }

    if (transport.status != 200) {
      alert('Ajax error: \nURL=' + url + '\nstatus=' + transport.status);
      return;
    }
    var ajaxResult = null;
      try {
         ajaxResult = eval("(" + transport.responseText + ")");
//         if (ajaxResult.class != 'odn.AjaxCallResult') {
//           throw "Unknown result class: " + ajaxResult.class;
//         }
      } catch(e) {
        alert("Error: " + e + "\n\nURL: '" + url + "\n\nResponse: '" + transport.responseText);
        return;
      }

      var success = (ajaxResult.status == 1);
      if (!success) {

        if (ajaxResult.status == 3) {
          window.location.href = "/sessionExpired";
          return;
        }
        
        if (ajaxResult.message && !disableMessages) {
          alert(ajaxResult.message);
        }

        if (ajaxResult.redirectUrl) {
          window.top.location.pathname = ajaxResult.redirectUrl;
          return;
        }
      }

      if (callback) {
        callback(success, parameters, ajaxResult.data);
      }
    },
    onFailure: function(){ onAjaxError('') }
  });
}  


function ajaxUpdate(elementId, url, parameters, method, callback) {
  var element = $(elementId);
  if (!element) {
    alert("Element " + elementId + " not found");
    return;
  }

  ajaxCall(url, parameters, method, function(success, params, data) {
    element.innerHTML = data;
    if (callback) {
      callback(params);
    }
  });
}

function gotoPage(page) {
    var f = $("_pagerForm");
    f.page.value = page;
    f.submit();
}

function ajaxFormSubmit(url, form) {
       ajaxCall (url,
       Form.serialize(form),
       'post',
        function(success, params, result) {
          if (success) {
            alert(result);
          }
        });
}

function WallHelper() {
  this.createUrl = '';
  this.refreshUrl = '';
  this.deleteUrl = '';
  this.currentPage = 0;
  this.recordsCnt = 0;
}

var _wallHelper = new WallHelper();

function showWallMsgCreator() {
    $j("#odnWallMsgCreator").toggle('fast');
    $j("#wallMsgInput").focus();
}

function onWallError(params, result) {
}

var _createWallMessageBusy = false;

function createWallMessage(sender) {
  if (_createWallMessageBusy) {
    return;
  }
  _createWallMessageBusy = true;
  var form = sender.form;
  $j('#wallMsgSendBtn').attr('disabled', 'disabled');
  $j('#wallSpinner').show();

  ajaxCall(_wallHelper.createUrl,
  {message: form.message.value},
          'post',
          function(success, params, result) {
            _createWallMessageBusy = false;
            $j('#wallSpinner').hide();
            $j('#wallMsgSendBtn').attr('disabled', '');
            if (success) {
              sender.form.message.value = '';
              $j("#odnWallMsgCreator").toggle('fast');
              refreshWall(0);
            } else {
              onWallError(params, result);
            }
          });
}

function refreshWall(page) {
  if (page < 0) page = _wallHelper.currentPage; 
  $j('#wallSpinner').show();
  ajaxCall(_wallHelper.refreshUrl, {page:page}, 'post',
  function(success, params, data) {
  $j('#wallSpinner').hide();
    if (success) {
      $j('#odnWall').html(data.messages);
      $j('#odnWallToolbar').html(data.toolbar);
      _wallHelper.currentPage = page;
    } else {
      onWallError(params, data);
    }
  });
}

function deleteWallMsg(msgId) {
  $j('#wallSpinner').show();
  ajaxCall(_wallHelper.deleteUrl,
  {msgId: msgId},
          'post',
          function(success, params, result) {
            if (success) {
              refreshWall(-1);
            } else {
              onWallError(params, result);
            }
          });
}

function updateLeftMenuCounters() {
  ajaxCall('/odnMessages/ajaxGetMenuCounters',
  {},
  'post',
  function(success, params, result) {
    if (success) {
      var unreadMessagesCnt = result.unreadMessagesCnt;
      $j('#unreadMessagesCnt').html((unreadMessagesCnt > 0) ? unreadMessagesCnt : '');
      $j('#unreadMessagesCnt').css("display",((unreadMessagesCnt > 0) ? '' : 'none'));

      var groupInvitationsCnt = result.groupInvitationsCnt;
    }
  });
}


var _odnUpdaterInterval;

function onOdnSessionExpired() {
  try {
    window.clearInterval(_odnUpdaterInterval);
  } catch (e) {
    alert(e);
  }
}




function onMasterComboChanged(sender, boundLists) {
  var idx = sender.selectedIndex;
  var disableBound = (idx == 0);
  if (boundLists != null) {
    for (var i = 0; i < boundLists.length; i++) {
      var list = $(boundLists[i]);
      list.selectedIndex = 0;
      list.disabled = true;
      if (list.onchange) {
        list.onchange.call(list);
      }
    }
  }
}


function popup_usermenu(userid)
{
  $j("#popup").remove();
  var obj = document.getElementById('useractns_' + userid );
  var html =  "<div id='popup'>" + $j("#user_" + userid + " div.menuContainer").html() + "</div>";
  $j(html).appendTo(obj);
  var popup = document.getElementById( 'popup' );
  if ( popup.style.visibility == 'visible' ) {
    popup.style.visibility = 'hidden';
  } else {
  //  popup.style.left = obj.offsetLeft + "px";
  //  popup.style.top = ( obj.offsetTop + 10 ) + "px";
    popup.style.visibility = 'visible';
  }
}

$j(document).ready(function() {
    $j(".friend").hover(function () {
        $j(this).find(".odnActnsList").fadeIn("fast");
    }, function () {
        $j(this).find(".odnActnsList").hide();
        $j("#popup").remove();
    });
});

function changeFriendStatus(sender, friendId) {
  var userDiv = $j("#user_" + friendId);
  var friendStatus = parseInt(userDiv.attr("friendStatus"));
  var userName = userDiv.attr("userName");
  var url;
  switch (friendStatus) {

    case 20:
      window.location.href = '/invitations/friends/incoming';
      return;
      break;

    case 10:
      if (!confirm('Willst du {0} wirklich aus deinen Freunden entfernen?'.replace('{0}', userName))) {
        return;
      }
      url = '/odnFriends/ajaxRemoveFriend';
      break;

    case 0:
    case 30:
    default:
      url = '/odnFriends/ajaxInviteFriend';
      break;
  }

  var targetIcon = userDiv.find("a[actionId='changeFriend'] img");
  var targetTitle = userDiv.find("a[actionId='changeFriend'] span");
  var oldImg = targetIcon.attr("src");
  var oldTitle = targetTitle.html();

  targetIcon.attr("src", '/images/odn/spinner.gif');
  ajaxCall(url,
          {friendId: friendId},
          'post',
          function(success, params, result) {
          if (success) {
             var newFriendStatus = parseInt(result.friendStatus);
             var newIcon;
             var newTitle;
             switch (newFriendStatus) {
               case 10:
                newTitle = 'Aus der Freundesliste entfernen';
                newIcon = '/images/sys/action_remove.gif';
               break;

               case 20:
                 newTitle = 'wurde eingeladen';
                 newIcon = '/images/sys/invite_icon.gif';
               break;

               default:
                 newTitle = 'Als Freund einladen';
                 newIcon = '/images/sys/action_add.gif';
             };
             targetIcon.attr("src", newIcon);
             targetTitle.html(newTitle);
             userDiv.attr("friendStatus", newFriendStatus);

             if (friendStatus != 10 && newFriendStatus == 10) {
                 _odnHelper.onFriendAdded(sender, friendId);
             }
             if (friendStatus == 10 && newFriendStatus != 10) {
                 _odnHelper.onFriendRemoved(sender, friendId);
             }
          } else {
            targetIcon.attr("src", oldImg);
            targetTitle.html(oldTitle);
          }
          });
}