import Vue from 'vue';
import NProgress from 'nprogress';

/**
 * Responsible for all HTTP requests.
 */
export default {
    request(method, url, data, successCb = null, errorCb = null) {
        return Vue.http[method](url, data).then(successCb).catch(() => {
            NProgress.done();

            if (errorCb) {
                errorCb();
            }
        });
    },

    get(url, successCb = null, errorCb = null) {
        return this.request('get', url, {}, successCb, errorCb);
    },

    post(url, data, successCb = null, errorCb = null) {
        return this.request('post', url, data, successCb, errorCb);
    },

    put(url, data, successCb = null, errorCb = null) {
        return this.request('put', url, data, successCb, errorCb);
    },

    delete(url, data = {}, successCb = null, errorCb = null) {
        return this.request('delete', url, data, successCb, errorCb);
    },

    /**
     * A shortcut method to ping and check if the user session is still valid.
     */
    ping() {
        return this.get('/');
    },
};