(function(){
"use strict";

    var MODAL_TIMEOUT_SECONDS = 60 * 2; // 2 minutes

    angular.module('shared')
        .factory('SessionTimeoutModal', [ 'LazModalService', function(LazModalService){

            function show(){
                return LazModalService
                    .showModal({
                        templateUrl: '/shared/js/angular/auth/session-timeout-modal.html',
                        controllerAs: '$ctrl',
                        controller: 'SessionTimeoutController',
                        hideCloseButton: 'true',
                        overrideClass: 'js-none'
                    })
                    .then(function(modal){
                        return modal.close;
                    });
            }

            return {
                getModalTimeoutSeconds: function() { return MODAL_TIMEOUT_SECONDS; },
                show: show
            }
        }])
        .controller('SessionTimeoutController', ['close', '$interval', '$scope', function(closeExternal, $interval, $scope){
            var ctrl = this;

            ctrl.endTime = nowInSeconds() + MODAL_TIMEOUT_SECONDS;

            updateTimeRemaining();
            var timeRemainingInterval = $interval(updateTimeRemaining, 200);

            $scope.$on("$destroy", stopTimeRemainingInterval);

            ctrl.accept = function(){
                close('accept');
            };

            ctrl.reject = function(){
                close('reject');
            };

            ctrl.close = ctrl.accept;

            function updateTimeRemaining(){
                ctrl.timeRemaining = Math.max(ctrl.endTime - nowInSeconds(), 0);
                if(ctrl.timeRemaining === 0){
                    timeout();
                }
            }

            function nowInSeconds(){
                return Math.floor(Date.now() / 1000);
            }

            function timeout(){
                close('timeout');
            }

            function close(value){
                stopTimeRemainingInterval();
                closeExternal(value);
            }

            function stopTimeRemainingInterval(){
                if(timeRemainingInterval){
                    $interval.cancel(timeRemainingInterval);
                }
                timeRemainingInterval = null;
            }

        }]);
    })();