(function () {
    'use strict';

    var serviceId = 'rolesDataContext';
    angular.module('roles').factory(serviceId, ['$q', '$http', 'rolesConfig', datacontext]);


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

        var service = {
            createRoleAllocation: createRoleAllocation,
            removeRoleAllocation: removeRoleAllocation,
			getAllRoleAllocations: getAllRoleAllocations,
			setLastActive: setLastActive
        };

        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 getAllRoleAllocations(appCode) {
            var request = $http({
                method: "get",
                url: rolesUrl + 'api/roletokens/roleallocations/user/' + appCode + '?cache=' + Date.now(),
            });

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

        // Create a new role allocation
        function createRoleAllocation(roleAllocation) {
            var request = $http({
                method: "post",
                url: config.rolesUrl + 'api/roleallocations',
                data: roleAllocation
            });

            return (request.then(handleSuccess, handleError));
        }
        
        // Delete a role allocation
        function removeRoleAllocation(roleAllocation) {
            var request = $http({
                method: "put",
                url: config.rolesUrl + 'api/roleallocations/',
                data: roleAllocation
            });

            return (request.then(handleSuccess, handleError));
        }
		
		// Set last active role
        function setLastActive(roleAllocationId, appCode, userId) {
            var request = $http({
                method: "put",
                url: rolesUrl + 'api/roleallocations/lastactive/',
                data: {
                    id: roleAllocationId,
                    userId: userId,
                    appCode: appCode,
                    lastActive: true
                }
            });

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


})();