/**
 *  get the data from schedule
 */
var Schedule = class {

    /**
     *  the schedule xml object parsed as jQuery object
     */
    schedule = false;

    /**
     * Array of talks
     *
     * [{
     *  id: 2132,
     *  title: "foobar"
     *  date:2018-09-22T10:30:00+02:00
     *   }]
     */
    talks = [];


    query = {
        time : { 'from' : new Date, 'to' : new Date }
    }


    /**
     *
    */
    talkPrototype   = {
            'date'          : '1970-01-01T00:00:00+02:00',
            'start'         : '1970-01-01T00:00:00+02:00',
            'duration'      : '00:15',
            'room'          : 'Großer Saal',
            'slug'          : 'DS2018-9336-eroffnung',
            'url'           : '/2018/fahrplan/events/9336.html',
            'title'         : 'Eröffnung',
            'subtitle'      : 'Datenspuren 2018',
            'track'         : '',
            'type'          : '',
            'language'      : 'de',
            'abstract'      : 'Eröffnung der Datenspuren 2018',
            'description'   : 'Opening Datenspuren 2018',
            'logo'          : false,
            'persons'       : { 'id' : '7339', 'name' : 'Nerd Norbert' }
    }

    /**
     * class constructor
     */
    constructor(scheduleXml){
        this.schedule = scheduleXml;
        this.talks  = this.getTalks();
    }

    /**
     * @return String the schedule title
     */
    getScheduleTitle(){
        return this.schedule.find("title")[0]
    }

    /**
     * return array of all talks
     */
    getTalks(){
        this.schedule.find('event');

        return [];
    }

    /**
     * get next talks by time and room
     *
     * @param {Timestamp} minimum time to start
     * @param {*} room
     */
    getTalk(time, room){

        return talk;
    }

    /**
     * get the next talks, based on time
     * @param {Date} time
     */
    getNextTalks(time){
        let startTime = new Date(Date.now())

        this.query.time.from = time.toISOString();
        console.log(this.query);
    }

}