(function () {
    'use strict';

    var serviceId = 'brandingDataContext';
    angular.module('branding').factory(serviceId, ['$q', '$http', 'brandingConfig', '$modal', datacontext]);


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

        var service = {
            getBranding: getBranding,
            deleteBranding: deleteBranding,
            createBranding: createBranding,
            getTerminology: getTerminology,
            createTerminology: createTerminology
        };

        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 getBranding(organisationId) {
            var request = $http({
                method: "get",
                url: config.tenantUrl + 'uisettings',
                headers: {
                    ownerId: organisationId.toUpperCase(),
                    tenantId: organisationId.toUpperCase()
                }
            });

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

        function createBranding(branding) {
            var request = $http({
                method: "post",
                url: config.tenantUrl + 'uisettings',
                data: Object.entries(branding).map(function (value) {
                    return {
                        Key: value[0],
                        Value: value[1]
                    }
                }),
                headers: {
                    OwnerId: branding.organisationId.toUpperCase(),
                    tenantId: branding.organisationId.toUpperCase()
                }
            });

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

        function deleteBranding(organisationId) {
            var request = $http({
                method: "delete",
                url: config.tenantUrl + 'uisettings/all',
                headers: {
                    ownerId: organisationId.toUpperCase(),
                    tenantId: organisationId.toUpperCase()
                }
            });

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

        function getTerminology(organisationId) {
            var request = $http({
                method: "get",
                url: config.tenantUrl + 'terminology',
                headers: {
                    ownerId: organisationId.toUpperCase(),
                    tenantId: organisationId.toUpperCase()
                }
            });

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

        function createTerminology(terminology, organisationId) {
            var request = $http({
                method: "post",
                url: config.tenantUrl + 'terminology',
                data: Object.entries(terminology).map(function (value) {
                    return {
                        Key: value[0],
                        Value: value[1]
                    }
                }),
                headers: {
                    OwnerId: organisationId.toUpperCase(),
                    tenantId: organisationId.toUpperCase()
                }
            });

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

    }


})();