/*
** Views/Partial/LCA/BOM.cshtml is using this controller
*/

angular.module('CarbonFootprint')
    .controller('PowerConsumptionController', ['$scope', '$http', '$routeParams', 'Notification', 'JoinSurveyItemAndParameter', 'MultiLanguageService', '$q','$filter',
        function ($scope, $http, $routeParams, Notification, JoinService, MultiLanguageService, $q ,$filter) {
            // Multi-language resource object 
            var resource,
                inited = false,
                errMsg = '工作時間加總不能超過8760';

            // This property controlls modal form, will be passed to table-edit-modal directive
            $scope.modalFormOption = {};
            $scope.model = [];

            // set $scope.baseUrl
            var baseUrl = $scope.baseUrl;
            if (typeof (baseUrl) === 'undefined' || baseUrl == null) {
                var arr = window.location.href.split("/");
                if (arr[3].indexOf('app') == 0)
                    baseUrl = '';
                else
                    baseUrl = '/' + arr[3];
                $scope.baseUrl = baseUrl;
            }

            $scope.changeSpec = function (toBeEdit) {
                var workingHour = toBeEdit.WorkingHour || 0;
                var minSpec = toBeEdit.MinSpec || 0;

                toBeEdit.PowerUsage = toBeEdit.Spec / 1000;
                toBeEdit.PowerUsagePerHour = toBeEdit.PowerUsage * workingHour;

                if (minSpec > 0) {
                    toBeEdit.PowerLoss = (1 / toBeEdit.MinSpec - 1) / 1000;
                    toBeEdit.PowerLossPerYear = toBeEdit.PowerLoss * workingHour;
                }
            };

            $scope.changeMinSpec = function (toBeEdit) {
                var workingHour = toBeEdit.WorkingHour || 0;
                var minSpec = toBeEdit.MinSpec || 0;

                toBeEdit.PowerUsagePerHour = toBeEdit.PowerUsage * workingHour;

                if (minSpec > 0) {
                    toBeEdit.PowerLoss = (1 / toBeEdit.MinSpec - 1) / 1000;
                    toBeEdit.PowerLossPerYear = toBeEdit.PowerLoss * workingHour;
                }
            };

            $scope.changeWorkingHour = function (toBeEdit) {
                toBeEdit.PowerUsagePerHour = toBeEdit.PowerUsage * toBeEdit.WorkingHour;
                toBeEdit.PowerLossPerYear = toBeEdit.PowerLoss * toBeEdit.WorkingHour;
            };

            $scope.createProcess = function () {
                $scope.powerConsumptionForm.$setPristine();

                // Create an object & select it
                var toBeCreated = {};
                toBeCreated.ID = 0;
                toBeCreated.LCAID = $routeParams.LCAID;

                // just for testing
                //toBeCreated.ModelType = 'WA-36N12RUGK-AAAC';
                //toBeCreated.AppSystemType = '網通交換機';
                //toBeCreated.Scenario = '系统工作功耗(W)';
                //toBeCreated.Spec = 0.3;
                //toBeCreated.MinSpec = 0.783;
                //toBeCreated.PowerUsage = toBeCreated.Spec / 1000;
                //toBeCreated.PowerLoss = (toBeCreated.Spec / toBeCreated.MinSpec - toBeCreated.Spec) / 1000;
                //toBeCreated.WorkingHour = 7160;
                //toBeCreated.PowerUsagePerHour = toBeCreated.PowerUsage * toBeCreated.WorkingHour;
                //toBeCreated.PowerLossPerYear = toBeCreated.PowerLoss * toBeCreated.WorkingHour;

                // For modal form
                $scope.selectRow.toBeEdit = toBeCreated;
                $scope.modalFormOption.show = true;

                $scope.save = function () {
                    var isConfirm = true;

                    if (checkWorkingHour(toBeCreated, $scope.model.concat([toBeCreated]))) {
                        isConfirm = confirm(errMsg);
                    }

                    if (isConfirm) {
                        $http.post($scope.baseUrl+'/api/PowerConsumption/Save/' + $routeParams.LCAID + "/" + toBeCreated.ID, toBeCreated)
                            .success(function (data) {
                                $scope.model.unshift(data);
                                $scope.modalFormOption.show = false;
                            })
                            .error(function (error) {
                                console.log(error);
                                Notification.error({ message: error.ExceptionMessage, positionX: 'center', delay: 3000 });
                            });
                    }
                };
            };

            $scope.editProcess = function (selected) {
                var toBeEdit = $scope.selectRow.toBeEdit = angular.copy(selected);

                $scope.modalFormOption.show = true;

                $scope.save = function () {
                    var isConfirm = true;

                    if (checkWorkingHour(toBeEdit, $scope.model)) {
                        isConfirm = confirm(errMsg);
                    }

                    if (isConfirm) {
                        $http.post($scope.baseUrl+'/api/PowerConsumption/Save/' + toBeEdit.LCAID + "/" + toBeEdit.ID, toBeEdit)
                            .success(function (data) {
                                angular.copy(data, selected);
                                $scope.modalFormOption.show = false;
                            })
                            .error(function (error) {
                                console.log(error);
                                Notification.error({ message: error.ExceptionMessage, positionX: 'center', delay: 3000 });
                            });
                    }
                };
            };

            $scope.deleteProcess = function (selected) {
                var isConfirm = confirm(resource.DeleteItemMsg);

                if (checkWorkingHour(selected, Enumerable.From($scope.model).Where(function (x) { return x.ID != selected.ID; }).ToArray())) {
                    isConfirm = confirm(errMsg);
                }

                if (isConfirm) {
                    $http.delete($scope.baseUrl+"/api/PowerConsumption/Delete/" + selected.ID)
                        .success(function () {
                            var index = $scope.model.indexOf(selected);
                            $scope.model.splice(index, 1);

                            // This operate is base on selectRow directive in TableEdit.js file
                            $scope.selectRow.unSelect();
                        });
                }
            };

            $scope.$on('changeSelectedTab', function (event, args) {
                if (!inited && args.selectedTab == 'PowerConsumption') {
                    inited = true;

                    // Get data and prepare $scope.model
                    getAllDataAsync($routeParams.LCAID)
                        .then(function (response) {
                            $scope.model = response.Consumptions;
                        }, function (error) {
                            console.log(error);
                        });

                    // Get multilanguage resource
                    MultiLanguageService.getResourceAsync()
                        .then(function (response) {
                            resource = response;
                        }, function (error) {
                            console.log(error);
                        });
                }
            });

            /**
             * Get all list data from server
             * @param  {[Int]} : LCAID
             * @return {[promise]}
             */
            function getAllDataAsync(LCAID) {
                var deferred = $q.defer();
                $http.get($scope.baseUrl+'/api/PowerConsumption/GetByLcaId/' + LCAID)
                    .success(function (data) {
                        deferred.resolve(data);
                    })
                    .error(function () {
                        deferred.resolve(null);
                    })
                return deferred.promise;
            }

            function checkWorkingHour(editModel, models) {
                var standbyPowers = Enumerable.From(models)
                    .Where(function (x) {
                        return x.ModelType == editModel.ModelType && isStandbyPower(x);
                    })
                    .ToArray();

                var sumWorkingHour = Enumerable.From(models)
                    .Where(function (x) {
                        return x.ModelType == editModel.ModelType && isNotStandbyPower(x);
                    })
                    .Sum(function (x) {
                        return x.ID == editModel.ID ? editModel.WorkingHour : x.WorkingHour;
                    });

                if (standbyPowers.length == 1) {

                    if (isStandbyPower(editModel)) {
                        editModel.WorkingHour = 8760 - sumWorkingHour;
                    } else {
                        standbyPowers[0].WorkingHour = 8760 - sumWorkingHour;
                    }

                    return standbyPowers[0].WorkingHour < 0; // 自动计算为负值
                } else {
                    return sumWorkingHour > 8760;
                }
            }

            function isStandbyPower(model) {
                return model.Scenario.indexOf('待機') >= 0 || model.Scenario.indexOf('關機') >= 0;
            }

            function isNotStandbyPower(model) {
                return !isStandbyPower(model);
            }
        }]);