(function () {
    'use strict';

    var serviceId = 'issuersDataContext';
    angular.module('issuers').factory(serviceId, ['$q', '$http', 'issuersConfig', '$modal', datacontext]);


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

        var orgIssuerEndpoint = 'issuers/';

        var service = {
            getOrganisationIssuer: getOrganisationIssuer,
            createOrganisationIssuer: createOrganisationIssuer,
            deleteOrganisationIssuer: deleteOrganisationIssuer,
            updateOrganisationIssuer: updateOrganisationIssuer,
            getIssuersForCurrentUser: getIssuersForCurrentUser
        };

        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);
        }

        // Mybadges issuer creation, get and delete

        function getIssuersForCurrentUser() {
            var request = $http({
                method: "get",
                url: config.mybadgesUrl + 'organisations/issuers?cache=' + Date.now()
            });

            return (request.then(function (response) {
                return response.data;
            }, handleError));
        }

        function getOrganisationIssuer(orgId) {
            var request = $http({
                method: "get",
                url: config.mybadgesUrl + 'organisations/issuers/' + orgId
            });

            return (request.then(function (response) {
                return response.data;
            }, handleError));
        }

        function deleteOrganisationIssuer(issuer) {
            var request = $http({
                method: "delete",
                url: config.mybadgesUrl + orgIssuerEndpoint + issuer.id
            });

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

        function createOrganisationIssuer(issuer) {
            var request = $http({
                method: "post",
                url: config.mybadgesUrl + orgIssuerEndpoint,
                data: issuer
            });

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

        function updateOrganisationIssuer(issuer) {
            var request = $http({
                method: "put",
                url: config.mybadgesUrl + orgIssuerEndpoint + issuer.id,
                data: issuer
            });

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


    }


})();