(function () {
    'use strict';
    var app = angular.module('tasks');
    var templatePath = modulesSharedResourcesUrl + 'Modules/Tasks/Views/';


    //a directive that renders the task classes list
    app.directive('taskList', ['tasksDataContext', 'tasksService', 'common', '$location', '$modal', function (tasksDataContext, tasksService, common, $location, $modal) {
        return {
            restrict: 'E',
            templateUrl: templatePath + 'tasklist.html?version=270122',
            link: link
        };

        function link($scope, elem, attrs) {
            var getLogFn = common.logger.getLogFn;
            var logSuccess = getLogFn("taskClass", "success");
            var logError = getLogFn("taskClass", "error");

            $scope.orderByPredicate = '-dateAssigned';

            // Define the status filters
            $scope.filters = [
                { name: 'Assigned', value: null, class: 'text-primary' },
                { name: 'In progress', value: 9, class: 'text-warning' },
                { name: 'Submitted', value: 4, class: 'text-dark' },
                { name: 'Under review', value: 5, class: 'text-warning' },
                { name: 'Reviewed', value: 6, class: 'text-success' },
                { name: 'Completed', value: 8, class: 'text-success' },
                { name: 'Returned', value: 7, class: 'text-danger' },
                { name: 'Recalled', value: 1, class: 'text-danger' }
            ];

            $scope.filterValues = [null, 0, 4, 5, 6, 7, 8, 9];

            // Apply the status filters
            $scope.applyStatusFilter = function (value, index) {
                return $scope.filterValues.indexOf(value.status) !== -1;
            }

            // Table headers for tasks
            $scope.tableHeaders = [
                {
                    name: "Name",
                    minWidth: "300px"
                },
                {
                    name: "Description",
                },
                {
                    name: "Assigned on",
                    width: "150px"
                },
                {
                    name: "Status",
                    width: "160px"
                },
                {
                    name: "Deadline",
                    width: "120px"
                }
            ];

            // Order options for tasks 
            $scope.orderOptions = [
                {
                    name: 'Name',
                    value: {
                        predicate: 'taskRecord.name',
                        reverse: false
                    },
                },
                {
                    name: 'Description',
                    value: {
                        predicate: 'taskRecord.description',
                        reverse: false
                    },
                },
                {
                    name: 'Assigned on',
                    value: {
                        predicate: 'dateAssigned',
                        reverse: true
                    },
                },
                {
                    name: 'Status',
                    value: {
                        predicate: 'status',
                        reverse: false
                    },
                },
                {
                    name: 'Deadline',
                    value: {
                        predicate: 'deadline',
                        reverse: false
                    },
                }
            ];

            // Currently selected order option
            $scope.currentOrder = $scope.orderOptions[0];

            function getMyTasks() {
                tasksDataContext.getAssignedTasks().then(function (tasks) {
                    $scope.tasks = tasks;
                    angular.forEach($scope.tasks, function(task){
                        task.name = task.taskRecord.name;
                        task.description = task.taskRecord.description;
                        var responseTypes = task.taskRecord.taskResponseTypes;
                        var responses = task.taskAssignmentResponses;

                        //There are no database 'inprogress' or 'completed' statuses so figure these out now
                        
                        // if there's should be a response but not one submitted yet, then it should be inprogress
                        if(task.status == 0 && responses != null && responses.length > 0){
                            task.status = 8;
                        }
                        // otherwise assigned
                        if(task.status != 1 && responses != null && responses.length == 0){
                            task.status = 0;
                        }
                        // if there should be response and one has been submitted
                        if(task.status == 4 && responseTypes != null && responseTypes.length > 0){
                            task.status = 4;
                        }
                        // otherwise completed
                        if(task.status == 4 && (responseTypes == null || responseTypes.length == 0)){
                            task.status = 9;
                        }
                        if (task.taskAssignmentResponses.length == 0 && task.status !== 1) {
                            task.status = null;
                        }
                    })
                    $scope.tasksLoaded = true;
                });
            }

            $scope.startAssignedTask = function (assignedTask) {
                tasksService.setCurrentAssignedTask(assignedTask);
            }

            getMyTasks();
        }
    }]);

    //a directive that renders the task classes list
    app.directive('viewTask', ['tasksDataContext', 'tasksService', 'commentsDataContext', 'datacontext', 'user', 'myFormsService', 'myFormsDataContext', 'common', '$location', '$rootScope', '$filter', 'config', '$window', function (tasksDataContext, tasksService, commentsDataContext, datacontext, user, myFormsService, myFormsDataContext, common, $location, $rootScope, $filter, config, $window) {
        return {
            restrict: 'E',
            templateUrl: templatePath + 'viewtask.html?version=270122',
            link: link
        };

        function link($scope, elem, attrs) {
            var getLogFn = common.logger.getLogFn;
            var logSuccess = getLogFn("taskClass", "success");
            var logError = getLogFn("taskClass", "error");

            $scope.currentAssignedTask = tasksService.getCurrentAssignedTask();

            if ($scope.currentAssignedTask) {
                $window.document.title = "MyShowcase > Task: " + $scope.currentAssignedTask.name;
            }

            $scope.comment = { content: '', isPrivate: false, };
            $scope.showcases = [];
			$scope.siteUrl = config.siteUrl;
            $scope.formTypes = tasksService.getFormTypes();
			$scope.selectedItemId = null;

            // Focus the task menu, creating a tab loop
            $scope.focusTaskMenu = function () {
                $('#focus-loopback-toolbar a:first-child').focus();
            }
			
            //get showcases for this user
            function getShowcases() {
                datacontext.getShowcases().then(function (result) {
                    for (var i = 0; i < result.length; i++) {
                        if (result[i].showcaseState == "Published") {
                            $scope.showcases.push(result[i]);
                        }
                    }
                    if ($scope.showcases.length == 0) {
                        $scope.noShowcases = true;
                    }
                });
            }

            // Get all the available forms for a user
            function getAllForms(type) {
                myFormsDataContext.getAvailableTemplates($scope.currentAssignedTask.ownerId).then(function (data) {

                    //Don't include activity forms
                    var filteredTemplates = $filter('filter')(data, function(template){
                        return template.formType != 5;
                    });

                    if (type) {
                        $scope.availableForms = [];
                        for (i in data) {
                            if (data[i].formType == type) {
                                $scope.availableForms.push(data[i]);
                            }
                        }
                    } else {
                        $scope.availableForms = filteredTemplates;
                    }
                    $scope.availableFormsLoaded = true;
                });
            }

            //get items for this user
            function getItems() {
                datacontext.getMyItemsRequest().then(function (items) {
                    if (items.length == 0) {
                        $scope.noItems = true;
                        return;
                    }
                    if (items.items)
                        $scope.items = items.items;
                    else 
                        $scope.items = items;
                });
            }

            function getComment() {
                if ($scope.currentAssignedTask.latestResponse) {
                    if ($scope.currentAssignedTask.latestResponse.commentId !== "00000000-0000-0000-0000-000000000000") {
                        commentsDataContext.getCommentById($scope.currentAssignedTask.latestResponse.commentId).then(function (comment) {
                            $scope.comment = comment;
                        });
                    }
                }
            }

            /*
            * Get showcase data from web service then set in selectedShowcase variable
            */
            function getShowcaseDetail(showcaseId) {
                tasksDataContext.getShowcase(showcaseId).then(function (showcase) {
                    $scope.selectedShowcase = showcase;
                });
            }

            /*
            * Pick the matching showcase from she showcases array using an id
            */
            function getSelectedShowcaseDetail(showcaseId){
                angular.forEach($scope.showcases, function(s){
                    if(s.showcaseId == showcaseId){
                        $scope.selectedShowcase =  s;
                        $scope.deliverableValue = showcaseId
                        return;
                    }
                });
            }

            /*
          * Get item data from web service then set in selectedItem variable
          */
            $scope.getItemDetail = function (itemId) {
                $scope.item = null;
				if (itemId) {
					datacontext.getItem(itemId).then(function (item) {
						$scope.item = item;
						$scope.deliverableValue = config.myShowcaseItemApiUrl + item.type.replace(/\s/g, '') + 'items/' + item.itemId;
					});
				}
            }

            $scope.getItemDetailBySource = function (source) {
				if (source) {
					datacontext.getItemDetailBySource(source).then(function (item) {
						$scope.item = item;
						$scope.deliverableValue = config.myShowcaseItemApiUrl + item.type.replace(/\s/g, '') + 'items/' + item.id;
					});
				}
            }

            $scope.getFormDetail = function(formId) {
                tasksDataContext.getFormTemplate(formId).then(function (form) {
                    $scope.selectedForm = myFormsService.createFormFromTemplate(form)
                });
            }

            function getCompletedFormDetail(formId) {
                tasksDataContext.getCompletedForm(formId).then(function (form) {
                    $scope.availableFormsLoaded = true;
                    $scope.selectedForm = form;
                });
            }


            if (!$scope.currentAssignedTask) {
                $location.path('/tasks');
            } else {
                getItems();
                datacontext.getShowcases().then(function (result) {
                    for (var i = 0; i < result.length; i++) {
                        if (result[i].showcaseState == "Published") {
                            $scope.showcases.push(result[i]);
                        }
                    }
                    if ($scope.showcases.length == 0) {
                        $scope.noShowcases = true;
                    }

                    if ($scope.currentAssignedTask.latestResponse) {
                        getComment();
                        if ($scope.currentAssignedTask.taskRecord.taskResponseTypes.length > 0) {
                            if ($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskClassResponseType.name == 'Showcase') {
                                $scope.responseType = 'Showcase';
                                getSelectedShowcaseDetail($scope.currentAssignedTask.latestResponse.taskAssignmentResponseDeliverables[0].value)
                            }
                            if ($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskClassResponseType.name == 'Stuff item') {
                                $scope.responseType = 'Stuff item';
                                $scope.getItemDetailBySource($scope.currentAssignedTask.latestResponse.taskAssignmentResponseDeliverables[0].value)
                            }
                            if ($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskClassResponseType.name == 'Form') {
                                $scope.responseType = 'Form';
                                $scope.deliverableValue = $scope.currentAssignedTask.latestResponse.taskAssignmentResponseDeliverables[0].value
                                if($scope.deliverableValue != null){
                                    getCompletedFormDetail($scope.currentAssignedTask.latestResponse.taskAssignmentResponseDeliverables[0].value);
                                }
                                if ($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskResponseTypeProperties.length > 0) {
                                    if ($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskResponseTypeProperties[0].name == 'formType') {
                                        getAllForms($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskResponseTypeProperties[0].value);
                                    } else {
                                        getAllForms();
                                    }
                                }else {
                                    getAllForms();
                                }
                            }
                        }
                    } else {
                        if ($scope.currentAssignedTask.taskRecord.taskResponseTypes.length > 0) {
                            if ($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskClassResponseType.name == 'Form') {
                                $scope.responseType = 'Form';
                                if ($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskResponseTypeProperties.length > 0) {
                                    if ($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskResponseTypeProperties[0].name == 'formTemplateId') {
                                        var formId = $scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskResponseTypeProperties[0].value;
                                        if(formId != null){
                                            $scope.getFormDetail(formId);
                                            }
                                    } else {
                                        getAllForms($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskResponseTypeProperties[0].value);
                                    }
                                }
                                else {
                                    getAllForms();
                                }
                            }
                        }
                    }
                });
            }

            // if status == 0 we save, else 1 is submit
            $scope.saveResponse = function (status, noRedirect, formResponse) {
                if ($scope.currentAssignedTask.taskRecord.taskResponseTypes.length > 0) {
                    if ($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskClassResponseType.name == 'Form') {
                        $scope.submitStatus = status;
                        if($scope.selectedForm != null){
                            $scope.selectedForm.externalId = $scope.currentAssignedTask.ownerId;
                            $rootScope.$broadcast('saveFormResponse', { isComplete: status, isHosted: true });
                        } else {
                            $scope.doSubmit(status, noRedirect, formResponse);
                        }
                    } else {
                        $scope.doSubmit(status, noRedirect, formResponse);
                    }
                } else {
                    $scope.doSubmit(status, noRedirect, formResponse);
                }
            }

            $scope.doSubmit = function (status, noRedirect, formResponse) {
                commentsDataContext.createComment($scope.comment).then(function (data) {
                    var response = {
                        taskIndividualAssignmentId: $scope.currentAssignedTask.id,
                        commentId: data.id,
                        taskAssignmentResponseDeliverables: [],
                        status: status,
                        toComplete: status == 1 //Tell the service whether or not this is 'save' or 'complete'
                    }
                    if ($scope.currentAssignedTask.taskRecord.taskResponseTypes[0]) {
                        response.taskAssignmentResponseDeliverables = [{
                            taskResponseTypeId: $scope.currentAssignedTask.taskRecord.taskResponseTypes[0].id,
                            value: $scope.deliverableValue
                        }];
                        if ($scope.currentAssignedTask.latestResponse) {
                            if ($scope.currentAssignedTask.latestResponse.taskAssignmentResponseDeliverables.length > 0) {
                                $scope.currentAssignedTask.latestResponse.taskAssignmentResponseDeliverables[0].value = $scope.deliverableValue;
                                delete $scope.currentAssignedTask.latestResponse.taskAssignmentResponseDeliverables[0].id;
                            }
                        }
                    }
                    // It's a brand new response
                    if (!$scope.currentAssignedTask.latestResponse) {

                        if ($scope.currentAssignedTask.taskRecord.autoComplete) {
                            response.status = status == 1 ? 6 : 0;
                            tasksDataContext.submitAutoCompleteTaskResponse(response).then(function (data) {
                                if (status == 0) {
                                    logSuccess("Response successfully saved");
                                }
                                if (status == 1) {
                                    logSuccess("Response successfully submitted");
                                }
                                if (!noRedirect)
                                    $location.path('/tasks');
                            });
                        } else {
                            tasksDataContext.submitTaskResponse(response).then(function (data) {
                                if (status == 0) {
                                    logSuccess("Response successfully saved");
                                }
                                if (status == 1) {
                                    logSuccess("Response successfully submitted");
                                }
                                if (!noRedirect)
                                    $location.path('/tasks');
                            });
                        }

                    } else {
                        $scope.currentAssignedTask.latestResponse.status = status;
                        $scope.currentAssignedTask.latestResponse.commentId = data.id;
                        $scope.currentAssignedTask.latestResponse.toComplete = status == 1;

                        if ($scope.currentAssignedTask.taskRecord.autoComplete) {
                            $scope.currentAssignedTask.latestResponse.status = status == 1 ? 6 : 0;
                            tasksDataContext.updateAutoCompleteTaskResponse($scope.currentAssignedTask.latestResponse).then(function (data) {
                                if (status == 0) {
                                    logSuccess("Response successfully saved");
                                }
                                if (status == 1) {
                                    logSuccess("Response successfully submitted");
                                }
                                if (!noRedirect)
                                    $location.path('/tasks');
                            });
                        } else {
                            tasksDataContext.updateTaskResponse($scope.currentAssignedTask.latestResponse).then(function (data) {
                                if (status == 0) {
                                    logSuccess("Response successfully saved");
                                }
                                if (status == 1) {
                                    logSuccess("Response successfully submitted");
                                }
                                if (!noRedirect)
                                    $location.path('/tasks');
                            });
                        }
                    }
                });
            }

            //Set the selected showcase
            $scope.setSelectedShowcase = function (selectedShowcase) {
                $scope.selectedShowcase = selectedShowcase;
                if (selectedShowcase) {
                    $scope.deliverableValue = selectedShowcase.showcaseId;
                }
            }
  
            $scope.getMarkingSchemeDetailsForValue = function (markingScheme) {
                for (var i = 0; i < $scope.currentAssignedTask.taskRecord.taskMarkingSchemes.length; i++) {
                    if (markingScheme.taskMarkingSchemeId == $scope.currentAssignedTask.taskRecord.taskMarkingSchemes[i].id) {
                        $scope.getMarkingScheme(markingScheme, $scope.currentAssignedTask.taskRecord.taskMarkingSchemes[i].markingSchemeId);
                    }                   
                } 
            }

            $scope.getMarkingScheme = function (markingScheme, markingSchemeId) {
                tasksDataContext.getMarkingScheme(markingSchemeId).then(function (data) {
                    markingScheme.markingScheme = data;
                    return markingScheme;
                });
            }

            $scope.getAssignerDetails = function (assigner) {
                if (assigner) {
                    user.getUserProfile(assigner.createdBy).then(function (data) {
                        assigner.user = data;
                    });
                }
            }

            $scope.getUserDetails = function (assignedTask) {
                if (assignedTask) {
                    user.getUserProfile(assignedTask.ownerId).then(function (data) {
                        assignedTask.user = data;
                    });
                }
            }

            $scope.checkResponseValidility = function () {
                if ($scope.currentAssignedTask.taskRecord.taskResponseTypes.length>0) {
                    if ($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskClassResponseType.name == 'Showcase') {
                        if (!$scope.selectedShowcase) {
                            return true;
                        }
                    }
                    if ($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskClassResponseType.name == 'Form') {
                        if (!$scope.selectedForm) {
                            return true;
                        }
                    }
					if ($scope.currentAssignedTask.taskRecord.taskResponseTypes[0].taskClassResponseType.name == 'Stuff item') {
                        if (!$scope.item) {
                            return true;
                        }
                    }
                }
            }

            $scope.onFormItemCreated = function (form) {
                $scope.deliverableValue = form.formId;
                $scope.doSubmit($scope.submitStatus, false);
            }

            $scope.downloadFile = function (fileUrl, fileName) {
                var url;
                user.getUploadBucketSas().then(function (sas) {
                    $scope.sasToken = sas.sas;
                    $scope.requiresAuth = true;
                    //set the sas token start and end dates
                    $scope.tokenStart = new Date().getTime();
                    $scope.tokenEnd = $scope.tokenStart + 1800000;
                    url = fileUrl + $scope.sasToken;
                    $window.open(url);
                });
            }

            $scope.canManageTasks = function () {
                return $rootScope.currentRole.functions.find(item => item === 'mytasks_manage');
            }
        }
    }]);

    // MyProgress Assessment items
    app.directive('itemAssessment', function () {
        return {
            restrict: 'E',
            templateUrl: templatePath + 'templates/assessment2.html',
            scope: {
                myShowcaseItem: '=',
                accessToken: '=',
                hideDate: '='
            },
            link: function ($scope, element, attrs) {

                function lowerFirstLetterObjectKeys(input) {
                    if (typeof input !== 'object' || input == null) return input;
                    if (Array.isArray(input)) return input.map(lowerFirstLetterObjectKeys);
                    return Object.keys(input).reduce(function (newObj, key) {
                        let val = input[key];
                        let newVal = (typeof val === 'object') ? lowerFirstLetterObjectKeys(val) : val;
                        newObj[key.replace(key[0], key[0].toLowerCase())] = newVal;
                        return newObj;
                    }, {});
                }

                function parseResponse(jsonResponse) {
                    //Parse json, restoring properties to PascalCase where needed
                    var parsedResponse = JSON.parse(jsonResponse, function (key, value) {
                        if (key.length < 2 || key[0] === key[0].toUpperCase()
                            || key === "allocatedAssessmentGuid" || key === "publishedResourceId" || key === "responseIdentifier"
                            || key === "usingEmail" || key === "data" || key === "type" || key === "width" || key === "height"
                            || key === "src") {
                            return value;
                        } else {
                            var newKey = key.replace(key[0], key[0].toUpperCase());
                            this[newKey] = value;
                            return undefined; //removes old key
                        }
                    });

                    //recursively return result properties to camel case. We can't do this in the reviver function when parsing
                    //because only properties in the result object hierarchy should be changed, and some share names with properties
                    //in other objects
                    parsedResponse.Result = lowerFirstLetterObjectKeys(parsedResponse.Result);

                    //StreamedResource.Type is an exception to the rule that all 'type' properties are lowercase
                    parsedResponse.StreamedResources.forEach(function (resource) {
                        if (resource.Type == undefined && resource.type != undefined) {
                            resource.Type = resource.type;
                        }
                    });

                    return parsedResponse;
                }

                if (typeof $scope.myShowcaseItem.jsonResponse === 'string')
                    $scope.myShowcaseItem.jsonResponse = parseResponse($scope.myShowcaseItem.jsonResponse);


                if (!$scope.myShowcaseItem.itemId)
                    $scope.myShowcaseItem.itemId = $scope.myShowcaseItem.id;

                $scope.getLetter = function (index) {
                    if (0 <= index && index <= 25) {
                        return String.fromCharCode(65 + index);
                    }
                    else if (26 <= index <= 51) {
                        return String.fromCharCode(71 + index);
                    }
                    else {
                        return '';
                    }
                }

                $scope.getAssessmentItemResultFromCustomText = function (customText) {
                    var assessmentItemIdentifier = $scope.getAssessmentItemIdentifier(customText);
                    if (assessmentItemIdentifier.length > 0) {
                        var result = $scope.getAssessmentItemResult(assessmentItemIdentifier);
                        return result;
                    }
                    return null;
                }
                $scope.getAssessmentItemResult = function (assessmentItemIdentifier) {

                    var resultArray = $scope.myShowcaseItem.jsonResponse.Result.itemResults.filter(function (assessmentItemResult) {
                        return assessmentItemResult.identifier === assessmentItemIdentifier;
                    })

                    if (resultArray.length > 0) {
                        return resultArray[0];
                    }
                    else {
                        return null;
                    }

                }

                $scope.getAssessmentItemIdentifier = function (customText) {
                    var identifierString = 'identifier:';
                    if (customText && customText.length > 0 && customText.indexOf(identifierString) > -1) {
                        var startIndex = customText.indexOf(identifierString) + identifierString.length;
                        return customText.substring(startIndex);
                    }
                    return '';
                }

                $scope.isAssessmentItemHidden = function (customText) {
                    if (customText && customText.length > 0) {
                        for (var i = 0; i < $scope.myShowcaseItem.jsonResponse.HiddenAssessmentItemIdentifiers.length; i++) {
                            if (customText.includes($scope.myShowcaseItem.jsonResponse.HiddenAssessmentItemIdentifiers[i])) {
                                return true;
                            }
                        }
                    }
                    return false;
                }

            }
        };

    });


})();