import { NotificationService } from "../service/NotificationService";
import { Sprintf } from "../singleton/Sprintf";

export function fetchHandler(response: Response, ns: NotificationService) {
    if (response.ok) {
        return response.json().then((json: any) => {
            // the status was ok and there is a json body
            // return Promise.resolve({ json: json, response: response });
            ns.success('Message sent succesfully' + Sprintf(" (http code %d)", response.status));
        }).catch((err: any) => {
            // the status was ok but there is no json body
            // return Promise.resolve({ response: response });
            ns.success('Message sent succesfully' + Sprintf(" (http code %d)", response.status));
        });

    } else {
        return response.json().catch((err: any) => {
            // the status was not ok and there is no json body
            // throw new Error(response.statusText);
            ns.error('Some error occured. Please try again.');
        }).then((json: any) => {
            // the status was not ok but there is a json body
            // throw new Error(json.error.message); // example error message returned by a REST
            // let delay = alertify.get('notifier', 'delay');
            // alertify.set('notifier', 'delay', 30);
            let errorMessage = "";
            json.errors.forEach(function(data: any) {
                errorMessage += Sprintf("Field Name: %s \n Rejected value: %s \n Reason: %s \n", data.field_name, data.rejected_value, data.error_message);
            });
            ns.errorWithDelay(Sprintf('There were errors in your message - %s', errorMessage), 30);
            // alertify.set('notifier', 'delay', delay);
        });
    }
}