(function () {
    'use strict';

    var serviceId = 'tasksDataContext';
    angular.module('tasks').factory(serviceId, ['$q', '$http', 'tasksConfig', datacontext]);
   

    function datacontext($q, $http, config, $modal) {

        var service = {
            submitTaskResponse: submitTaskResponse,
            submitAutoCompleteTaskResponse: submitAutoCompleteTaskResponse,
            getAssignedTasks: getAssignedTasks,
            hasAssignedTasks: hasAssignedTasks,
            updateTaskResponse: updateTaskResponse,
            updateAutoCompleteTaskResponse: updateAutoCompleteTaskResponse,
            getShowcase: getShowcase,
            getMarkingScheme: getMarkingScheme,
            getFormTemplate: getFormTemplate,
            getCompletedForm: getCompletedForm
        };

        return service;

        function handleError(response) {

            // The API response from the server should be returned in a
            // nomralized format. However, if the request was not handled by the
            // server (or what not handles properly - ex. server error), then we
            // may have to normalize it on our end, as best we can.
            if (
                !angular.isObject(response.data) ||
                !response.data.message
                ) {

                return ($q.reject("An unknown error occurred."));
            }

            // Otherwise, use expected error message.
            return ($q.reject(response.data.message));
        }


        // I transform the successful response, unwrapping the application data
        // from the API response payload.
        function handleSuccess(response) {
            return (response.data);
        }

        function getAssignedTasks() {
            var request = $http({
                method: "get",
                url: config.taskUrl + 'taskindividualassignments',
            });

            return (request.then(handleSuccess, handleError));
        }

        function hasAssignedTasks() {
            var request = $http({
                method: "get",
                url: config.taskUrl + 'taskindividualassignments/assigned',
            });
            return (request.then(handleSuccess, handleError));
        }

        function submitTaskResponse(response) {
            var request = $http({
                method: "post",
                url: config.taskUrl + 'taskassignmentresponses',
                data: response
            });

            return (request.then(handleSuccess, handleError));
        }

        function submitAutoCompleteTaskResponse(response) {
            var request = $http({
                method: "post",
                url: config.taskUrl + 'taskassignmentresponses/autocomplete',
                data: response
            });

            return (request.then(handleSuccess, handleError));
        }

        function updateTaskResponse(response) {
            var request = $http({
                method: "put",
                url: config.taskUrl + 'taskassignmentresponses',
                data: response
            });

            return (request.then(handleSuccess, handleError));
        }

        function updateAutoCompleteTaskResponse(response) {
            var request = $http({
                method: "put",
                url: config.taskUrl + 'taskassignmentresponses/autocomplete',
                data: response
            });

            return (request.then(handleSuccess, handleError));
        }

        //get a specific showcase using its unique ID
        function getShowcase(showcaseId) {
            var request = $http({
                method: "get",
                url: 'api/showcase/' + showcaseId
            });

            return (request.then(handleSuccess, handleError));
        }

        function getMarkingScheme(markingSchemeId) {
            var request = $http({
                method: "get",
                url: markingSchemeUrl + 'schemes/' + markingSchemeId,
            });

            return (request.then(handleSuccess, handleError));
        }

        //get a specific form template
        function getFormTemplate(formTemplateId) {
            var request = $http({
                method: "get",
                url: myformsUrl + 'formtemplate/' + formTemplateId
            });

            return (request.then(handleSuccess, handleError));
        }

        //get a specific form template
        function getCompletedForm(formTemplateId) {
            var request = $http({
                method: "get",
                url: myformsUrl + 'form/' + formTemplateId
            });

            return (request.then(handleSuccess, handleError));
        }

    }

   

    
})();