(function () {
    'use strict';

    var serviceId = 'otjActivityTypesDataContext';
    angular.module('otjActivities').factory(serviceId, ['$q', '$http', 'otjActivitiesConfig', datacontext]);


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

        var service = {
            getOrganisationOTJActivityTypes: getOrganisationOTJActivityTypes,
            createOTJActivityType: createOTJActivityType,
            updateOTJActivityType: updateOTJActivityType,
            deleteOTJActivityType: deleteOTJActivityType
        };


        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) {
            if (response)
                return (response.data);
            else
                return null;
        }

        // Get all activities for organisation
        function getOrganisationOTJActivityTypes(organisationId) {
             var request = $http({
                 method: "get",
                 url: config.apigatewayUrl + 'UserService/api/apprenticeships/organisation/activitytypes?activeonly=false',
            });

            return (request.then(handleSuccess, handleError));
        }
        
        // Update an existing activity type
        function updateOTJActivityType(type) {
            var request = $http({
                method: "put",
                url: config.apigatewayUrl + 'UserService/api/apprenticeships/organisation/activitytype',
                data: type
            });

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


        // Create a new activity type
        function createOTJActivityType(type) {
            var request = $http({
                method: "post",
                url: config.apigatewayUrl + 'UserService/api/apprenticeships/organisation/activitytype',
                data: type
            });

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

        // Delete actiity type for organisation
        function deleteOTJActivityType(type) {
            var request = $http({
                method: "delete",
                url: config.apigatewayUrl + 'UserService/api/apprenticeships/organisation/activitytype/' + type.id,
            });

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


})();