angular.module('luticate')
    .controller('UsersController', ['$scope', '$state', 'luticateAuthUsers', 'dialogs', '$q', 'luticateDialogErrorHelper',
        function($scope, $state, luticateAuthUsers, dialogs, $q, luticateDialogErrorHelper) {
            $scope.page = 0;
            $scope.perPage = 15;
            $scope.users = [];
            $scope.pages = [];
            $scope.selectedUsers = [];

            var promiseLoadUsers = {
                id: "promiseLoadUsers",
                groups: ['userList']
            };
            var promiseDelUsers = {
                id: "promiseDelUsers",
                loadGroups: ['userList']
            };

            $scope.loadPage = function(page)
            {
                luticateAuthUsers.getAll({page: page, perPage: $scope.perPage}, promiseLoadUsers)
                    .then(function(users)
                    {
                        $scope.page = page;
                        $scope.users = users;
                        $scope.pages = [];
                        var start = Math.max(0, $scope.page - 5);
                        var end = Math.min(start + 10, (users.Count / $scope.perPage) + (users.Count % $scope.perPage == 0 ? -1 : 0));
                        for (var i = start; i < end; ++i) {
                            $scope.pages.push(i);
                        }
                    }, function(error)
                    {
                    });
            };

            $scope.displayUser = function(user)
            {
                dialogs.create('views/modals/useredit.html', 'UserEditController', user)
                    .result.then(function (data) {
                        $scope.loadPage($scope.page);
                    });
            };

            $scope.removeUsers = function()
            {
                if ($scope.selectedUsers.length == 0) {
                    $scope.loadPage($scope.page);
                    return;
                }
                luticateAuthUsers.del({user_id: $scope.selectedUsers[0]}, promiseDelUsers)
                    .then(function(data)
                    {
                        $scope.selectedUsers.splice(0, 1);
                        $scope.removeUsers();
                    }, function(error)
                    {
                        luticateDialogErrorHelper.errorDialog(error)
                            .result.then(function(data)
                            {
                                $scope.loadPage($scope.page);
                            }, function(error) {});
                    });
            };

            $scope.addUser = function()
            {
                dialogs.create('views/modals/useredit.html', 'UserEditController', null)
                    .result.then(function (data) {
                        $scope.loadPage($scope.page);
                    });
            };

            $scope.toggleSelectedUser = function(id)
            {
                var idx = $scope.selectedUsers.indexOf(id);
                if (idx > -1) {
                    $scope.selectedUsers.splice(idx, 1);
                }
                else {
                    $scope.selectedUsers.push(id);
                }
            };

            $scope.toggleSelectAll = function()
            {
                if ($scope.selectedUsers.length == $scope.users.Data.length) {
                    $scope.selectedUsers = [];
                }
                else {
                    $scope.selectedUsers = [];
                    for (var i = 0; i < $scope.users.Data.length; ++i) {
                        $scope.selectedUsers.push($scope.users.Data[i].Id);
                    }
                }
            };

            $scope.loadPage($scope.page);
    }]);