(function () {
    'use strict';

    var serviceId = 'taskAdminService';
    angular.module('taskAdmin').factory(serviceId, ['$q', 'taskAdminDataContext', 'datacontext', 'myUsersDataContext', taskAdminService]);

    function taskAdminService($q, taskAdminDataContext, datacontext, myUsersDataContext) {

        var service = {
            getCurrentTaskClass: getCurrentTaskClass,
            setCurrentTaskClass: setCurrentTaskClass,
            createBlankTaskClass: createBlankTaskClass,
            getTaskClassIcons: getTaskClassIcons,
            getTaskClasses: getTaskClasses,
            deleteTaskClass: deleteTaskClass,
            updateTaskClass: updateTaskClass,
            createTaskClass: createTaskClass,
            createBlankTask: createBlankTask,
            getCurrentTask: getCurrentTask,
            setCurrentTask: setCurrentTask,
            getAllTasks: getAllTasks,
            deleteTask: deleteTask,
            createTask: createTask,
            updateTask: updateTask,
            getResponseTypes: getResponseTypes,
            setCurrentAssignedTask: setCurrentAssignedTask,
            getCurrentAssignedTask: getCurrentAssignedTask,
            assignTaskToGroup: assignTaskToGroup,
            assignTaskToIndividual: assignTaskToIndividual,
            getAssignedTasks: getAssignedTasks,
            getAssignedTasksSimple: getAssignedTasksSimple,
            getAssignedTask: getAssignedTask,
            exportAssignedUsersToCsv: exportAssignedUsersToCsv,
            getAssignedTaskCompletions: getAssignedTaskCompletions,
            getAssignedUsers: getAssignedUsers,
            closeAssignedTask: closeAssignedTask,
            recallAssignedTask: recallAssignedTask,
            setCurrentTasksResponse: setCurrentTasksResponse,
            getCurrentTasksResponse: getCurrentTasksResponse,
            createResponseReview: createResponseReview,
            saveResponseReview: saveResponseReview,
            sendReviewedResponseEmails: sendReviewedResponseEmails,
            getFormTypeName: getFormTypeName,
            getFormTypes: getFormTypes,
            getDefaultTaskClass: getDefaultTaskClass,
            getTaskRecord: getTaskRecord
        };

        var currentTaskClass;
        var currentTask;
        var responseTypes;
        var inProgress;
        var currentAssignedTask;
        var currentTaskReview;

        return service;

        /* ************************************
        * Task Types
        * ************************************/
        function getCurrentTaskClass() {
            return currentTaskClass;
        }

        function setCurrentTaskClass(taskClass) {
            currentTaskClass = taskClass;
        }

        function getTaskClasses() {
            return taskAdminDataContext.getAllTaskClasses();
        }

        function getDefaultTaskClass() {
            return taskAdminDataContext.getDefaultTaskClass();
        }

        function createTaskClass(taskClass) {
            return taskAdminDataContext.createTaskClass(taskClass);
        }

        function deleteTaskClass(taskClass) {
            return taskAdminDataContext.deleteTaskClass(taskClass);
        }

        function updateTaskClass(taskClass) {
            return taskAdminDataContext.updateTaskClass(taskClass);
        }

        // Create a blank task class template
        function createBlankTaskClass() {
            var taskClass = {
                name: '',
                description: '',
                completionNotifier: false,
                completionDeliverableRequired: false,
                completionBadgeIssuing: false,
                markingSchemeRequired: false,
                groupWork: false,
                iconPath: '',
                status: 0,
                taskClassResponseTypes: []
            };
            return taskClass;
        }

        /* ************************************
        * Tasks
        * ************************************/
        function getCurrentTask() {
            return currentTask;
        }

        function getTaskRecord(task) {
            return taskAdminDataContext.getTaskRecord(task).then(function (taskRecord) {
                currentTask = taskRecord;
            });
        }
        
        function setCurrentTask(taskRecord) {
            currentTask = taskRecord;
        }

        function getAllTasks() {
            return taskAdminDataContext.getAllTasks();
        }

        function deleteTask(task) {
            return taskAdminDataContext.deleteTask(task);
        }

        function updateTask(task) {
            return taskAdminDataContext.updateTask(task);
        }

        function createTask(task) {
            return taskAdminDataContext.createTask(task);
        }

        // Create a blank task template
        function createBlankTask() {
            var task = {
                name: '',
                description: '',
                details: '',
                taskSteps: [],
                taskBadges: [],
                taskAttachments: [],
                taskMarkingSchemes: [],
                taskResponseTypes: [],
                status: 0,
                autoCompleteBadges: [],
                autoCompleteBadgeId: null
            };
            return task;
        }

        /* ************************************
        * Assigned tasks
        * ************************************/
        function getCurrentAssignedTask() {
            return currentAssignedTask;
        }

        function setCurrentAssignedTask(assignedTask) {
            currentAssignedTask = assignedTask;
        }

        

        function assignTaskToGroup(assignedTask) {

            var unique = function (array) {
                var a = array.concat();
                for (var i = 0; i < a.length; ++i) {
                    for (var j = i + 1; j < a.length; ++j) {
                        if (a[i] === a[j])
                            a.splice(j--, 1);
                    }
                }

                return a;
            };

            //Get the users we need to send a notification about the task to - users that are not admins
            var users$ = assignedTask.assigneeIds.map(myUsersDataContext.getNonAdminUserIdsForOrg);

            return $q.all(users$).then(function (userIdsArray) {
                var allUserIds = [];
                userIdsArray.forEach(function (userIds) {
                    allUserIds = unique(allUserIds.concat(userIds));
                });

                var assign$ = taskAdminDataContext.assignTaskToGroup(assignedTask);
                var notify$ = function (taskName) {
                    return datacontext.sendNotification({
                        userIds: allUserIds,
                        description: 'You have been assigned a new task "' + taskName + '"'
                    });
                };

                return assign$.then(function (assignedTaskResponse) {
                    return notify$(assignedTaskResponse.taskRecordName).then(function (notificationResponse) {
                        return assignedTaskResponse;
                    });
                });

            });
        }
    
        /* *
        * Add a user to an assignedTask, then send the user a notification that they have a new task
        * */
        function assignTaskToIndividual(assignment) {
            return taskAdminDataContext.assignIndividualTask(assignment).then(function (data) {
                return datacontext.sendNotification({
                    userIds: [assignment.ownerId],
                    description: 'You have been assigned a new task "' + assignment.taskName + '"'
                });
            });
        }

        function getAssignedTasks() {
            return taskAdminDataContext.getAssignedTasks();
        }

        function getAssignedTasksSimple() {
            return taskAdminDataContext.getAssignedTasksSimple();
        }

        function getAssignedTask(assignedTaskId) {
            return taskAdminDataContext.getAssignedTask(assignedTaskId);
        }

        function exportAssignedUsersToCsv(assignedTaskId) {
            return taskAdminDataContext.getAssignedUsersCsvExport(assignedTaskId);
        }

        function getAssignedTaskCompletions(assignedTaskId) {
            return taskAdminDataContext.getAssignedTaskCompletions(assignedTaskId);
        }

        function getAssignedUsers(assignedTask) {
            return taskAdminDataContext.getAssignedUsers(assignedTask);
        }

        function closeAssignedTask(assignedTask) {
            return taskAdminDataContext.closeAssignedTask(assignedTask);
        }

        function recallAssignedTask(assignedTask) {
            return taskAdminDataContext.recallAssignedTask(assignedTask);
        }

       /* ************************************
       * Responses
       * ************************************/
        function getCurrentTasksResponse() {
            return currentTaskReview;
        }

        function setCurrentTasksResponse(response) {
            currentTaskReview = response;
        }

        function createResponseReview(response) {
            return taskAdminDataContext.createResponseReview(response);
        }

        function saveResponseReview(response) {
            return taskAdminDataContext.saveResponseReview(response);
        }

        function sendReviewedResponseEmails(data) {
            return taskAdminDataContext.sendReviewedResponseEmails(data);
        }

        function getResponseTypes() {
            if (!responseTypes) {
                if (!inProgress) {
                    inProgress = getResponseTypesFromServer();
                }
                return inProgress
                    .then(function (data) {
                        responseTypes = data;
                        inProgress = false;
                        return responseTypes;
                    });
            }
            return $q.resolve(responseTypes);
        }

        function getResponseTypesFromServer() {
            if (!responseTypes) {
                return taskAdminDataContext.getResponseTypes()
                    .then(function (data) {
                        responseTypes = data;
                        return responseTypes;
                    });
            }
            return $q.resolve(responseTypes);
        }

        function getTaskClassIcons() {
            return ["fa fa-adjust", "fa fa-align-center", "fa fa-align-justify", "fa fa-align-left", "fa fa-align-right", "fa fa-ambulance", "fa fa-anchor", "fa fa-angle-double-down", "fa fa-angle-double-left", "fa fa-angle-double-right", "fa fa-angle-double-up", "fa fa-angle-down", "fa fa-angle-left", "fa fa-angle-right", "fa fa-angle-up", "fa fa-archive", "fa fa-arrow-alt-circle-down", "fa fa-arrow-alt-circle-left", "fa fa-arrow-alt-circle-right", "fa fa-arrow-alt-circle-up", "fa fa-arrow-circle-down", "fa fa-arrow-circle-left", "fa fa-arrow-circle-right", "fa fa-arrow-circle-up", "fa fa-arrow-down", "fa fa-arrow-left", "fa fa-arrow-right", "fa fa-arrow-up", "fa fa-arrows-alt", "fa fa-arrows-alt-h", "fa fa-arrows-alt-v", "fa fa-asterisk", "fa fa-at", "fa fa-backward", "fa fa-ban", "fa fa-barcode", "fa fa-bars", "fa fa-bed", "fa fa-beer", "fa fa-bell", "fa fa-bell-slash", "fa fa-bicycle", "fa fa-binoculars", "fa fa-birthday-cake", "fa fa-bold", "fa fa-bolt", "fa fa-bomb", "fa fa-book", "fa fa-bookmark", "fa fa-briefcase", "fa fa-bug", "fa fa-building", "fa fa-bullhorn", "fa fa-bullseye", "fa fa-bus", "fa fa-calculator", "fa fa-calendar", "fa fa-camera", "fa fa-camera-retro", "fa fa-car", "fa fa-caret-down", "fa fa-caret-left", "fa fa-caret-right", "fa fa-caret-up", "fa fa-cart-arrow-down", "fa fa-cart-plus", "fa fa-certificate", "fa fa-chart-area", "fa fa-chart-bar", "fa fa-chart-pie", "fa fa-check", "fa fa-check-circle", "fa fa-check-square", "fa fa-chevron-circle-down", "fa fa-chevron-circle-left", "fa fa-chevron-circle-right", "fa fa-chevron-circle-up", "fa fa-chevron-down", "fa fa-chevron-left", "fa fa-chevron-right", "fa fa-chevron-up", "fa fa-child", "fa fa-circle", "fa fa-clipboard", "fa fa-closed-captioning", "fa fa-cloud", "fa fa-cloud-download-alt", "fa fa-cloud-upload-alt", "fa fa-code", "fa fa-code-branch", "fa fa-coffee", "fa fa-cog", "fa fa-cogs", "fa fa-columns", "fa fa-comment", "fa fa-comments", "fa fa-compass", "fa fa-compress", "fa fa-copy", "fa fa-copyright", "fa fa-credit-card", "fa fa-crop", "fa fa-crosshairs", "fa fa-cube", "fa fa-cubes", "fa fa-cut", "fa fa-database", "fa fa-desktop", "fa fa-dollar-sign", "fa fa-download", "fa fa-edit", "fa fa-eject", "fa fa-ellipsis-h", "fa fa-ellipsis-v", "fa fa-envelope", "fa fa-envelope-square", "fa fa-eraser", "fa fa-euro-sign", "fa fa-exchange-alt", "fa fa-exclamation", "fa fa-exclamation-circle", "fa fa-exclamation-triangle", "fa fa-expand", "fa fa-external-link-alt", "fa fa-external-link-square-alt", "fa fa-eye", "fa fa-eye-dropper", "fa fa-eye-slash", "fa fa-fast-backward", "fa fa-fast-forward", "fa fa-fax", "fa fa-female", "fa fa-fighter-jet", "fa fa-file", "fa fa-file-archive", "fa fa-file-audio", "fa fa-file-code", "fa fa-file-excel", "fa fa-file-image", "fa fa-file-pdf", "fa fa-file-powerpoint", "fa fa-file-video", "fa fa-file-word", "fa fa-film", "fa fa-filter", "fa fa-fire", "fa fa-fire-extinguisher", "fa fa-flag", "fa fa-flag-checkered", "fa fa-flask", "fa fa-folder", "fa fa-folder-open", "fa fa-font", "fa fa-forward", "fa fa-frown", "fa fa-futbol", "fa fa-gamepad", "fa fa-gavel", "fa fa-gem", "fa fa-genderless", "fa fa-gift", "fa fa-globe", "fa fa-graduation-cap", "fa fa-h-square", "fa fa-hand-point-down", "fa fa-hand-point-left", "fa fa-hand-point-right", "fa fa-hand-point-up", "fa fa-hdd", "fa fa-headphones", "fa fa-heart", "fa fa-heartbeat", "fa fa-history", "fa fa-home", "fa fa-hospital", "fa fa-image", "fa fa-inbox", "fa fa-indent", "fa fa-info", "fa fa-info-circle", "fa fa-italic", "fa fa-key", "fa fa-keyboard", "fa fa-language", "fa fa-laptop", "fa fa-leaf", "fa fa-lemon", "fa fa-level-down-alt", "fa fa-level-up-alt", "fa fa-life-ring", "fa fa-lightbulb", "fa fa-link", "fa fa-list", "fa fa-list-alt", "fa fa-list-ol", "fa fa-list-ul", "fa fa-location-arrow", "fa fa-lock", "fa fa-long-arrow-alt-down", "fa fa-long-arrow-alt-left", "fa fa-long-arrow-alt-right", "fa fa-long-arrow-alt-up", "fa fa-magic", "fa fa-magnet", "fa fa-male", "fa fa-map-marker", "fa fa-mars", "fa fa-mars-double", "fa fa-mars-stroke", "fa fa-mars-stroke-h", "fa fa-mars-stroke-v", "fa fa-medkit", "fa fa-meh", "fa fa-mercury", "fa fa-microphone", "fa fa-microphone-slash", "fa fa-minus", "fa fa-minus-circle", "fa fa-minus-square", "fa fa-mobile", "fa fa-moon", "fa fa-motorcycle", "fa fa-music", "fa fa-neuter", "fa fa-newspaper", "fa fa-outdent", "fa fa-paint-brush", "fa fa-paper-plane", "fa fa-paperclip", "fa fa-paragraph", "fa fa-paste", "fa fa-pause", "fa fa-paw", "fa fa-pencil-alt", "fa fa-phone", "fa fa-phone-square", "fa fa-plane", "fa fa-play", "fa fa-play-circle", "fa fa-plug", "fa fa-plus", "fa fa-plus-circle", "fa fa-plus-square", "fa fa-pound-sign", "fa fa-power-off", "fa fa-print", "fa fa-puzzle-piece", "fa fa-qrcode", "fa fa-question", "fa fa-question-circle", "fa fa-quote-left", "fa fa-quote-right", "fa fa-random", "fa fa-recycle", "fa fa-redo", "fa fa-reply", "fa fa-reply-all", "fa fa-retweet", "fa fa-road", "fa fa-rocket", "fa fa-rss", "fa fa-rss-square", "fa fa-ruble-sign", "fa fa-rupee-sign", "fa fa-save", "fa fa-search", "fa fa-search-minus", "fa fa-search-plus", "fa fa-server", "fa fa-share", "fa fa-share-alt", "fa fa-share-alt-square", "fa fa-share-square", "fa fa-shield-alt", "fa fa-ship", "fa fa-shopping-cart", "fa fa-sign-in-alt", "fa fa-sign-out-alt", "fa fa-signal", "fa fa-sitemap", "fa fa-sliders-h", "fa fa-sort", "fa fa-sort-down", "fa fa-sort-up", "fa fa-space-shuttle", "fa fa-spinner", "fa fa-square", "fa fa-star", "fa fa-star-half", "fa fa-step-backward", "fa fa-step-forward", "fa fa-stethoscope", "fa fa-stop", "fa fa-strikethrough", "fa fa-subscript", "fa fa-subway", "fa fa-suitcase", "fa fa-superscript", "fa fa-sync", "fa fa-table", "fa fa-tablet", "fa fa-tachometer-alt", "fa fa-tag", "fa fa-tags", "fa fa-tasks", "fa fa-taxi", "fa fa-terminal", "fa fa-text-height", "fa fa-text-width", "fa fa-th", "fa fa-th-large", "fa fa-th-list", "fa fa-thumbs-down", "fa fa-thumbs-up", "fa fa-thumbtack", "fa fa-ticket-alt", "fa fa-times", "fa fa-times-circle", "fa fa-tint", "fa fa-toggle-off", "fa fa-toggle-on", "fa fa-train", "fa fa-transgender", "fa fa-transgender-alt", "fa fa-trash", "fa fa-tree", "fa fa-trophy", "fa fa-truck", "fa fa-tty", "fa fa-umbrella", "fa fa-underline", "fa fa-undo", "fa fa-university", "fa fa-unlink", "fa fa-unlock", "fa fa-unlock-alt", "fa fa-upload", "fa fa-user", "fa fa-user-md", "fa fa-user-plus", "fa fa-user-secret", "fa fa-user-times", "fa fa-users", "fa fa-utensil-spoon", "fa fa-utensils", "fa fa-venus", "fa fa-venus-double", "fa fa-venus-mars", "fa fa-video", "fa fa-volume-down", "fa fa-volume-off", "fa fa-volume-up", "fa fa-wheelchair", "fa fa-wifi", "fa fa-wrench", "fa fa-yen-sign", "fab fa-adn", "fab fa-android", "fab fa-angellist", "fab fa-apple", "fab fa-behance", "fab fa-behance-square", "fab fa-bitbucket", "fab fa-bitcoin", "fab fa-buysellads", "fab fa-cc-amex", "fab fa-cc-discover", "fab fa-cc-mastercard", "fab fa-cc-paypal", "fab fa-cc-stripe", "fab fa-cc-visa", "fab fa-codepen", "fab fa-connectdevelop", "fab fa-dashcube", "fab fa-delicious", "fab fa-deviantart", "fab fa-digg", "fab fa-dropbox", "fab fa-drupal", "fab fa-empire", "fab fa-facebook", "fab fa-facebook-f", "fab fa-facebook-square", "fab fa-flickr", "fab fa-forumbee", "fab fa-foursquare", "fab fa-git", "fab fa-git-square", "fab fa-github", "fab fa-github-alt", "fab fa-github-square", "fab fa-google", "fab fa-google-wallet", "fab fa-hacker-news", "fab fa-html5", "fab fa-instagram", "fab fa-ioxhost", "fab fa-joomla", "fab fa-jsfiddle", "fab fa-lastfm", "fab fa-lastfm-square", "fab fa-leanpub", "fab fa-linkedin", "fab fa-linux", "fab fa-maxcdn", "fab fa-medium", "fab fa-openid", "fab fa-pagelines", "fab fa-paypal", "fab fa-pied-piper", "fab fa-pinterest", "fab fa-pinterest-p", "fab fa-pinterest-square", "fab fa-qq", "fab fa-rebel", "fab fa-reddit", "fab fa-reddit-square", "fab fa-renren", "fab fa-sellsy", "fab fa-shirtsinbulk", "fab fa-simplybuilt", "fab fa-skyatlas", "fab fa-skype", "fab fa-slack", "fab fa-slideshare", "fab fa-soundcloud", "fab fa-spotify", "fab fa-stack-exchange", "fab fa-stack-overflow", "fab fa-steam", "fab fa-steam-square", "fab fa-stumbleupon", "fab fa-stumbleupon-circle", "fab fa-tencent-weibo", "fab fa-trello", "fab fa-tumblr", "fab fa-tumblr-square", "fab fa-twitch", "fab fa-twitter", "fab fa-twitter-square", "fab fa-vimeo-square", "fab fa-vine", "fab fa-vk", "fab fa-weibo", "fab fa-weixin", "fab fa-whatsapp", "fab fa-windows", "fab fa-wordpress", "fab fa-xing", "fab fa-xing-square", "fab fa-yahoo", "fab fa-yelp", "fab fa-youtube", "fab fa-youtube-square"];
        }

        function getFormTypes() {
            return [
             {
                 type: 0,
                 name: 'Standard'
             },
             {
                 type: 1,
                 name: 'Reflection'
             },
             {
                 type: 2,
                 name: 'Goal'
             },
             {
                 type: 3,
                 name: 'CPD'
             },
             {
                 type: 4,
                 name: 'Quiz'
             }
            ];
        }
           
        function getFormTypeName(type) {
            switch (type) {
                case 0:
                    return 'Standard';
                case 1:
                    return 'Reflection';
                case 2:
                    return 'Goal';
                case 3:
                    return 'CPD';
                case 4:
                    return 'Quiz';
            }
        }
    }
})();