angular.module('app')
    .controller('HomeController', ['$scope', '$state', 'DataShareBusiness', 'WeeksBusiness',
        function($scope, $state, DataShareBusiness, WeeksBusiness) {

            $scope.DataShareBusiness = DataShareBusiness;
            $scope.courses = null;

            $scope.getSheetCount = function()
            {
                var sheetCount = function(group)
                {
                    var c = (group.Groups == null || group.Groups.length == 0) ? 1 : 0;
                    if (group.Groups != null) {
                        group.Groups.forEach(function (group) {
                            c += sheetCount(group);
                        });
                    }
                    return c;
                };
                return sheetCount(DataShareBusiness.getCurrentGroupOrRoot())
            };

            $scope.$watch(function(){return DataShareBusiness.CurrentGroups}, function()
            {
                var group = DataShareBusiness.getCurrentGroup();
                if (group != null && $scope.getSheetCount() < 5) {
                    var promiseLoadCourses = {
                        id: "promiseLoadCourses",
                        groups: ["coursesView"]
                    };
                    WeeksBusiness.getCurrentWeek({group_id: group.Id, type_id: group.Type}, promiseLoadCourses)
                        .then(function(data)
                        {
                            $scope.courses = data;
                        });
                }
                else {
                    $scope.courses = null;
                }
            });
    }]);