/**
 * Responsible for all HTTP requests.
 * 
 * IMPORTANT:
 * If the user has a good enough connection to stream music, he or she shouldn't 
 * encounter any HTTP errors. That's why Koel doesn't handle HTTP errors.
 * After all, even if there were errors, how bad can it be?
 */
export default {
    request(method, url, data, successCb = null, errorCb = null) {
        return Vue.http[method](url, data).then(successCb, errorCb);
    },

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