(function () {
    "use strict";

    angular.module('shared')
        .component('customStandards', {
            templateUrl: '/shared/js/angular/file-cabinet/custom-standards.html',
            controller: 'CustomStandardsCtrl',
            bindings: {
                folder: '<',
                saveButtonEnabled: '='
            }
        })
        .controller('CustomStandardsCtrl', ['standardsService', 'folderService', 'messageHandler', '$scope', 'MessageBox','currentSubFolders',
            function CustomStandardsController(standardsService, folderService, messageHandler, $scope, MessageBox, currentSubFolders) {
                var ctrl = this;
                ctrl.maxCodeLength = standardsService.standardLimits.MAX_CODE_LENGTH;
                ctrl.maxDescriptionLength = standardsService.standardLimits.MAX_DESCRIPTION_LENGTH;

                ctrl.$onInit = function() {
                    standardsService.registerOnSelectedStandardsUpdate($scope, updateSelectedCustomStandards);
                    ctrl.addCode = '';
                    ctrl.addDescription = '';
                    ctrl.selectedCustomStandards = standardsService.getSelectedCustomStandards();
                    getCustomStandards();
                };

                ctrl.isSubmitEnabled = function(customStandardForm) {
                    var isCodeEmpty = !!customStandardForm.addCode.$modelValue;
                    var isDescriptionEmpty = !!customStandardForm.addDescription.$modelValue;
                    var isSubmitEnabled = !ctrl.pendingSubmit && !(isCodeEmpty && isDescriptionEmpty);
                    ctrl.saveButtonEnabled = !isSubmitEnabled;
                    return isSubmitEnabled;
                };

                ctrl.submitCustomStandard = function(customStandardForm) {
                    if (ctrl.pendingSubmit) {
                        return;
                    }
                    ctrl.pendingSubmit = true;

                    var data = {
                        custom_code: folderService.ansiOnly(customStandardForm.addCode.$modelValue),
                        custom_description: folderService.ansiOnly(customStandardForm.addDescription.$modelValue),
                        everyone_folder: currentSubFolders.getAreFoldersForEveryone()
                    };
                    standardsService.createCustomStandard(data)
                        .then(function(response) {
                            ctrl.addCode = '';
                            ctrl.addDescription = '';
                            updateClientFromAddCustomStandard(response);
                            customStandardForm.addCode.$setPristine();
                            customStandardForm.addDescription.$setPristine();
                        })
                        .catch(function(error) {
                            console.debug(error);
                            messageHandler.error('There was a problem adding the custom standard. Please try again.');
                        })
                        .finally(function() {
                            ctrl.pendingSubmit = false;
                        });
                };

                function getCustomStandards() {
                    standardsService.getCustomStandards(currentSubFolders.getAreFoldersForEveryone()).then(
                        function(response) {
                            ctrl.customStandards = response;
                        },
                        function(reason) {
                            console.debug(reason);
                            messageHandler.publishError("There was a problem retrieving your custom standards");
                        }
                    )
                }

                function updateSelectedCustomStandards() {
                    var removedCustomStandard = standardsService.getLastRemovedCustomStandard();
                    ctrl.customStandards.forEach(function(customStandard) {
                        if (customStandard.custom_standard_id === removedCustomStandard.custom_standard_id) {
                            customStandard.selected = false;
                        }
                    });
                }

                function updateClientFromAddCustomStandard(customStandard) {
                    if (!ctrl.customStandards) {
                        ctrl.customStandards = [];
                    }
                    ctrl.customStandards.push(customStandard);
                }

                ctrl.updateClientFromRemoveCustomStandard = function(customStandard) {
                    var index = getIndexFromCustomStandardId(ctrl.customStandards, customStandard.custom_standard_id);
                    if (index > -1) {
                        ctrl.customStandards.splice(index, 1);
                    }
                    standardsService.updateSelectedCustomStandards(customStandard, true);
                };

                ctrl.updateClientFromEditCustomStandard = function(customStandard) {
                    standardsService.updateSelectedCustomStandards(customStandard, false);
                };

                function getIndexFromCustomStandardId(standards, customStandardId) {
                    for (var i = 0; i < standards.length; i++) {
                        if (standards[i].custom_standard_id === customStandardId) {
                            return i;
                        }
                    }
                    return -1;
                }
            }
        ])
})();