'use strict';

/**
 * @ngdoc function
 * @name passmanApp.controller:SettingsCtrl
 * @description
 * # SettingsCtrl
 * Controller of the passmanApp
 */
angular.module('passmanApp')
	.controller('SettingsCtrl', ['$scope', '$rootScope', 'SettingsService', 'VaultService', 'CredentialService', '$location', '$routeParams', '$http', 'EncryptService','NotificationService','$sce',
		function ($scope, $rootScope, SettingsService, VaultService, CredentialService, $location, $routeParams, $http, EncryptService, NotificationService, $sce) {
			$scope.vault_settings = {};
			$scope.new_vault_name = '';
			$scope.active_vault = VaultService.getActiveVault();
			if (!SettingsService.getSetting('defaultVault') || !SettingsService.getSetting('defaultVaultPass')) {
				if (!$scope.active_vault) {
					$location.path('/')
				}
			} else {
				if (SettingsService.getSetting('defaultVault') && SettingsService.getSetting('defaultVaultPass')) {
					var _vault = angular.copy(SettingsService.getSetting('defaultVault'));
					VaultService.getVault(_vault).then(function (vault) {
						vault.vaultKey = SettingsService.getSetting('defaultVaultPass');
						VaultService.setActiveVault(vault);
						$scope.active_vault = vault;
						$scope.$parent.selectedVault = true;
						$scope.vault_settings.pwSettings = VaultService.getVaultSetting('pwSettings',
							{
								'length': 12,
								'useUppercase': true,
								'useLowercase': true,
								'useDigits': true,
								'useSpecialChars': true,
								'minimumDigitCount': 3,
								'avoidAmbiguousCharacters': false,
								'requireEveryCharType': true,
								'generateOnCreate': true
							});
						$scope.new_vault_name = angular.copy($scope.active_vault.name);
					})
				}
			}
			var http = location.protocol, slashes = http.concat("//"), host = slashes.concat(window.location.hostname), complete = host + location.pathname;
			$scope.bookmarklet = $sce.trustAsHtml("<a class=\"button\" href=\"javascript:(function(){var a=window,b=document,c=encodeURIComponent,e=c(document.title),d=a.open('" + complete + "bookmarklet?url='+c(b.location)+'&title='+e,'bkmk_popup','left='+((a.screenX||a.screenLeft)+10)+',top='+((a.screenY||a.screenTop)+10)+',height=750px,width=475px,resizable=0,alwaysRaised=1');a.setTimeout(function(){d.focus()},300);})();\">Save in passman</a>");



			$scope.saveVaultSettings = function () {
				var _vault = $scope.active_vault;
				_vault.name = $scope.new_vault_name;
				_vault.vault_settings = angular.copy($scope.vault_settings);
				VaultService.updateVault(_vault).then(function () {
					VaultService.setActiveVault(_vault);
					$scope.active_vault.name = angular.copy(_vault.name);
					NotificationService.showNotification('Settings saved', 5000);
				});
			};


			$scope.tabs = [
				{
					title: 'General settings',
					url: 'views/partials/forms/settings/general_settings.html'
				},
				{
					title: 'Password Audit',
					url: 'views/partials/forms/settings/tool.html'

				},
				{
					title: 'Password settings',
					url: 'views/partials/forms/settings/password_settings.html'

				},
				{
					title: 'Import credentials',
					url: 'views/partials/forms/settings/import.html'

				},
				{
					title: 'Export credentials',
					url: 'views/partials/forms/settings/export.html'

				},
				{
					title: 'Sharing',
					url: 'views/partials/forms/settings/sharing.html'
				}
			];

			$scope.currentTab = $scope.tabs[0];

			$scope.onClickTab = function (tab) {
				$scope.currentTab = tab;
			};

			$scope.isActiveTab = function (tab) {
				return tab.url == $scope.currentTab.url;
			};

			var getPassmanVersion = function () {
				var url = OC.generateUrl('apps/passman/api/internal/version');
				$http.get(url).then(function (result) {
					$scope.passman_version = result.data.version;
				})
			};
			getPassmanVersion();

			$scope.$watch(function () {
				return VaultService.getActiveVault()
			}, function (vault) {
				if (vault) {
					$scope.active_vault = vault;
				}
			});

			if ($scope.active_vault) {

			}

			$rootScope.$on('logout', function () {
				$scope.selectedVault = false;
			});
			$scope.startScan = function (minStrength) {
				VaultService.getVault($scope.active_vault).then(function (vault) {
					var results = [];
					for (var i = 0; i < vault.credentials.length; i++) {
						var c = angular.copy(vault.credentials[i]);
						if (c.password && c.hidden == 0) {
							c = CredentialService.decryptCredential(c);
							if(c.password){
								var zxcvbn_result = zxcvbn(c.password);
								if (zxcvbn_result.score <= minStrength) {
									results.push({
										credential_id: c.credential_id,
										label: c.label,
										password: c.password,
										password_zxcvbn_result: zxcvbn_result
									});
								}
							}

						}
						//@todo loop custom fields (if any and check secret fields
					}
					$scope.scan_result = results;
				});
			};


			$scope.cur_state = {};

			$scope.changeVaultPassword = function (oldVaultPass,newVaultPass,newVaultPass2) {
				if(oldVaultPass != VaultService.getActiveVault().vaultKey){
					$scope.error ='Your old password is incorrect!'
					return;
				}
				if(newVaultPass != newVaultPass2){
					$scope.error ='New passwords do not match!';
					return;
				}
				VaultService.getVault($scope.active_vault).then(function (vault) {
					var _selected_credentials = [];
					if(vault.credentials.length === 0){
						$location.path('/');
					}
					for(var i =0; i < vault.credentials.length; i++){
						var _credential = vault.credentials[i];
						if(_credential.shared_key == null || _credential.shared_key == ''){
							_selected_credentials.push(_credential);
						}
					}
					$scope.change_pw = {
						percent: 0,
						done: 0,
						total: _selected_credentials.length
					};
					var changeCredential = function(index, oldVaultPass, newVaultPass){
						CredentialService.reencryptCredential(_selected_credentials[index].guid, oldVaultPass, newVaultPass).progress(function(data){
							$scope.cur_state = data;
						}).then(function(data){
							var percent = index / _selected_credentials.length * 100;
							$scope.change_pw = {
								percent: percent,
								done: index+1,
								total: _selected_credentials.length
							};
							if(index < _selected_credentials.length -1){
								changeCredential(index+1, oldVaultPass, newVaultPass);
							} else {
								console.log('Update complete!');

								vault.private_sharing_key = EncryptService.decryptString(angular.copy(vault.private_sharing_key), oldVaultPass);
								vault.private_sharing_key = EncryptService.encryptString(vault.private_sharing_key, newVaultPass);
								VaultService.updateSharingKeys(vault).then(function (result) {
									$rootScope.$broadcast('logout')
								});
							}
						});
					};
					changeCredential(0, VaultService.getActiveVault().vaultKey, newVaultPass);

				})
			};

			$scope.cancel = function () {
				$location.path('/vault/' + $routeParams.vault_id);
			};

		}]);