export const OPENDATA_URL = 'http://opendata.bratislava.sk/api/mhd';

export default class BratislavaOpendata {

    constructor(apiKey) {
        this.apiKey = apiKey;
    }

    async fetchOneStop(stationStopId) {
        return this.request('/stationstop/' + stationStopId);
    }

    async fetchAllStops() {
        return this.request('/stationstop');
    }

    async fetchAllVehicles() {
        return this.request('/vehicle');
    }

    async request(uri) {
        let url = OPENDATA_URL + '/' + uri;
        let resp = await fetch(url, {
            cache: 'no-cache',
            headers: {
                'User-Agent': 'node_mhdmap/1.0',
                'Key': this.apiKey,
            },
        });

        if (!resp.ok) {
            console.warn('Error while fetching', url, 'status:', resp.status, resp.statusText);
            return null;
        }

        try {
            resp = await resp.json();
            return resp;
        } catch (e) {
            console.warn('Incorrect response for fetching', url, e);
            return null;
        }
    }


}