if (!window.ccs) {
   window.ccs = {};
}

ccs.Login = function(whoToGreet) {
   var self;
   var sessionId;
   var userDisplay;
   var loginLink = "loginUrl";
   var logoutLink;
   var editLink;
   var showForm;
   var showForgottenPassword;
   var registrationLink;
   var isLoggedIn = false;
   var lastUsername;
   var userUUIDCookie;
   var emailDomain;
   var fromAddress;
   var loginModulePage;
   var requestURI;
   var resetMessage;
   var sectionId;
   var mustRememberMe;
   var goToGroupHomepage;
   var postLoginPage;
   var postLogoutPage;
   var canLoad; //Set my the loginFormFooter, to notify js that the lightbox has loaded.
   var whoToGreet;
   var greetingSuffix;
   var isActive;
   var loginStatusEstablished = false;
   var goToUrl = ""; //If user clicks on a link, it can either take them there, or popup the login form.
   var postLoginFunction;

   function constructorFn(whoToGreet) {
      self = this;
      sessionId = getCookie("JSESSIONID");
      self.canLoad = false;
      self.getLoggedInUser();
      self.whoToGreet = whoToGreet;
      self.isActive = false;
   }

   constructorFn.prototype.setVar = function(name, value) {
      val = value + ""; //convert to string (may be boolean)
      if (val == "true" || val == "false") {
         eval("self." + name + " = " + value + "");
      } else {
         value = value.replace(/'/g, "\\'");
         eval("self." + name + " = '" + value + "'");
      }

   }

   constructorFn.prototype.hasLoginStatusBeenEstablished = function() {
      return loginStatusEstablished;
   }

   constructorFn.prototype.isUserLoggedIn = function() {
      return isLoggedIn;
   }

   constructorFn.prototype.setCanLoad = function() {
      canLoad = true;
   }
   constructorFn.prototype.showThrobber = function() {
      $('loginWait').style.display = "inline";
   }
   constructorFn.prototype.hideThrobber = function() {
      $('loginWait').style.display = "none";
   }

   constructorFn.prototype.showForgotPassword = function() {
      self.setMsg('forgottenPassword');
   }

   constructorFn.prototype.register = function() {
      location.href = self.registrationLink;
   }

   constructorFn.prototype.authClick = function(callback) {
      if (self.hasLoginStatusBeenEstablished()) {
         if (self.isUserLoggedIn()) {
            callback();
         } else {
            postLoginFunction = callback;
            loginTop();
         }
      } else {
         setTimeout(function() {
            self.authClick(callback);
         }, 500);
      }     
   }

   constructorFn.prototype.logout = function() {
      deleteCookie(self.userUUIDCookie, ccs.contextPath);
      new Ajax.Request(ccs.contextPath + '/json/' + ccs.appName + '/' + ccs.languageCode + '/modules/login_form/logout.json', {
         method:'get',
         onSuccess: function(transport) {
            if (self.postLogoutPage != "" && self.postLogoutPage != null) {
               location.href = self.postLogoutPage;
            } else {
               location.href = ccs.contextPath;
            }
         },
         onFailure: function() {
            // alert('Something went wrong...')
         }
      });
   }


   constructorFn.prototype.getLoggedInUser = function() { //alert(self.showUsername);
      var url = ccs.contextPath + '/json/' + ccs.appName + '/' + ccs.languageCode + '/modules/login_form/checkStatus.json?whoToGreet=' + whoToGreet + '&rnd=' + Math.random();
      new Ajax.Request(url, {
         method:'get',
         onSuccess: function(transport) {

            var response = transport.responseText || "no response text";
            var json = eval('(' + response + ')');
            if (json.status == "") {
               isLoggedIn = false;
            } else {
               isLoggedIn = true;
            }
            loginStatusEstablished = true;
            self.displayForm(json);

         },
         onFailure: function() {
            // alert('Something went wrong...')
         }
      });
   }


   constructorFn.prototype.goToUrl = function(url) {
      goToUrl = url;
      if (loginStatusEstablished) {
         if (isLoggedIn) {
            location.href = url;
         } else {
            loginTop();
         }
      } else {
         setTimeout(function() {
            self.goToUrl(url)
         }, 500);
      }

   }

   constructorFn.prototype.displayForm = function(json) {
      if (canLoad) {
         if (json.status == "") {
            $('statusCheck').style.display = "none";
            $('notLoggedIn').style.display = "inline";
         } else {
            $('statusCheck').style.display = "none";
            $('logged_in_fullname').innerHTML = json.status + self.greetingSuffix;
            $('loggedIn').style.display = "inline";
         }
      } else {
         setTimeout(function() {
            self.displayForm(json)
         }, 500);

      }
   }


   constructorFn.prototype.setForgotCredentialsEmail = function(emailAddress) {
      $('forgottenPasswordEmail').value = emailAddress;
   }

   constructorFn.prototype.changeRememberMe = function() {
      self.mustRememberMe = $('mustRememberMe').checked;
   }

   constructorFn.prototype.showMsgBox = function() {
      if (!isActive) {
         Modalbox.show($('loginMsgBox'), {title: "none", width: 420});
         isActive = true;
      }

      /*
       var elm = $('loginMsgBox');
       elm.style.display = "block";
       var top = Math.round((document.documentElement.clientHeight / 2) - (elm.style.height / 2) + document.documentElement.scrollTop);
       if (top < 100) top = 100;
       elm.style.top = top + "px";
       */
   }

   constructorFn.prototype.closeMsgBox = function() {
      Modalbox.hide();
      isActive = false;
      //msgBox.deactivate();
      //$('loginMsgBox').style.display = "none";
   }

   constructorFn.prototype.setMsg = function(srcDiv) {
      window.scroll(0, 0);
      var src = $(srcDiv).innerHTML;
      if (srcDiv == 'forgottenPassword') {
         src = src.replace(/forgottenPasswordUsername/g, "forgottenPasswordUsername2");
         src = src.replace(/forgottenPasswordEmail/g, "forgottenPasswordEmail2");
         src = src.replace(/forgottenPasswordMsg/g, "forgottenPasswordMsg2");
      }
      if (srcDiv == 'altLoginForm') {
         src = src.replace(/login_username_alt/g, "login_username_alt2");
         src = src.replace(/login_password_alt/g, "login_password_alt2");
      }
      // Modalbox.hide();
      //Modalbox.show($(srcDiv), {title: "none", width: 420});
      $('loginMsg').innerHTML = src;
      //alert($('loginMsg').innerHTML);
      self.showMsgBox();
   }


   constructorFn.prototype.getParams = function(alt) {
      if (alt != "_alt2") alt = "";
      var username = $('login_username' + alt).value;
      var password = $('login_password' + alt).value;
      var parameters = new Object();
      parameters['password'] = password;
      parameters['username'] = username;
      parameters['emailDomain'] = self.emailDomain;
      parameters['fromAddress'] = self.fromAddress;
      parameters['loginModulePage'] = self.loginModulePage;
      parameters['remember_me'] = self.mustRememberMe;
      parameters['sectionId'] = self.sectionId;
      parameters['requestURI'] = self.requestURI;
      return parameters;
   }

   constructorFn.prototype.resetPassword = function() {
      self.showThrobber();
      var parameters = self.getParams();
      parameters['username'] = self.lastUsername;

      new Ajax.Request(ccs.contextPath + '/json/' + ccs.appName + '/' + ccs.languageCode + '/modules/login_form/resetPassword.json', {
         method:'post',
         parameters: parameters,
         onSuccess: function(transport) {
            var response = transport.responseText || "no response text";
            var json = eval('(' + response + ')');
            var status = json.status;
            self.hideThrobber();
            $('resetPasswordDone').innerHTML = $('resetPasswordDone').innerHTML.replace(/EMAIL/, json.email);
            self.setMsg('resetPasswordDone');

         },
         onFailure: function() {
            // alert('Something went wrong...')
         }
      });
   }

   constructorFn.prototype.logMeIn = function(alt) {
      var parameters = self.getParams(alt);
      if (parameters['username'] == "" || parameters['password'] == "") return;
      if (self.goToGroupHomepage) {
         parameters['goToGroupHomepage'] = "true";
      }
      new Ajax.Request(ccs.contextPath + '/json/' + ccs.appName + '/' + ccs.languageCode + '/modules/login_form/checkUser.json', {
         method:'post',
         parameters: parameters,
         onSuccess: function(transport) {

            var response = transport.responseText || "no response text";
            var json = eval('(' + response + ')');
            var status = json.status;

            if (status == 'success') {
               var uuid = json.uuid;
               if (self.mustRememberMe) {
                  setFixedCookie(self.userUUIDCookie, uuid, ccs.contextPath);
               } else {
                  deleteCookie(self.userUUIDCookie, ccs.contextPath);
               }

               if (postLoginFunction !=null) {
                  postLoginFunction();
               }
               setTimeout(function() {    //Slight delay to ensure postLoginFunction is called.
                  if (goToUrl != "") {
                     location.href = goToUrl;
                  } else if (self.postLoginPage != "" && self.postLoginPage != null) {
                     location.href = self.postLoginPage;
                  } else if (self.goToGroupHomepage) {
                     location.href = json.groupHomepage;
                  } else {
                     location.reload();
                  }
               }, 500);
            } else if (status == "incorrect_password" && (self.resetMessage != "null" && !self.resetMessage == "" && !self.resetMessage.toLowerCase() == "not set")) {

               self.lastUsername = parameters['username'];  //Used for forgotten password, so they don't change it in the login form and set to the wrong user.

               $('loginMsg').innerHTML = self.resetMessage;
               self.showMsgBox();
            } else if (status == "incorrect_username") {

               self.setMsg("wrongCredentials_username");
            } else if (status == "incorrect_password") {
               self.setMsg("wrongCredentials_password")
            } else if (status == "not_opted_in") {

               $('optIn').innerHTML = $('optIn').innerHTML.replace(/EMAIL/, json.email);
               self.setMsg("optIn")
            }


         },
         onFailure: function() {
            // alert('Something went wrong...')
         }
      });

   }

   constructorFn.prototype.showResetPassword = function() {
      self.setMsg("resetPassword");
   }

   constructorFn.prototype.forgottenPasswordSubmit = function(type) {
      var value = '';
      if (type == 'username') {
         value = $('forgottenPasswordUsername2').value;
      } else {
         value = $('forgottenPasswordEmail2').value;
      }


      var parameters = self.getParams();
      parameters['type'] = type;
      parameters['value'] = value;

      self.showThrobber();
      new Ajax.Request(ccs.contextPath + '/json/' + ccs.appName + '/' + ccs.languageCode + '/modules/login_form/forgotten.json', {
         method:'post',
         parameters: parameters,
         onSuccess: function(transport) {
            var response = transport.responseText || "no response text";
            var json = eval('(' + response + ')');
            var status = json.status;
            if (status == 'true') {
               $('forgottenPasswordMsg2').innerHTML = $('successfulNotification').innerHTML;
            } else {
               $('forgottenPasswordMsg2').innerHTML = json.info;
            }
            self.hideThrobber();
         },
         onFailure: function() {
            self.hideThrobber();
         }
      });
   }
   return new constructorFn(whoToGreet);
}