export default class Cron {

    constructor(options) {
        this.date_time = options['date_time'] ? options.date_time : '';
        this.date = options['date'] ? options.date : '';
        this.time = options['time'] ? options.time : '';
        this.cron = options['cron'] ? options.cron : '';
        this.year = options['year'] ? options.year : '';
    }

    dateToCron() {
        let date;
        if (this.date !== '' && this.time !== '') {
            date = new Date(this.date + 'T' + this.time);
        }
        else if (this.date_time !== '') {
            date = new Date(this.date_time);

        }
        if (date) {
            return {
                cron: `${date.getMinutes()} ${date.getHours()} ${date.getDate()} ${date.getMonth() + 1 } *`,
                year: date.getFullYear()
            }
        }
        return false;
    }

    cronToDate() {
        let cronArray = this.cron.split(' ');
        const month = (parseInt(cronArray[3])) > 9 ? parseInt(cronArray[3]) : '0' + (parseInt(cronArray[3])).toString();
        const day = cronArray[2].length < 2 ? '0' + cronArray[2] : cronArray[2];
        const hour = cronArray[1].length < 2 ? '0'+cronArray[1] : cronArray[1];
        const minute = cronArray[0].length < 2 ? '0'+cronArray[0] : cronArray[0];

        let time = `${hour}:${minute}`;
        let date = `${this.year}-${month}-${day}`;
        let date_time = `${this.year}-${month}-${day} ${hour}:${minute}`;
        return {
            time,
            date,
            date_time
        }
    }

    builder() {

    }

    parser() {

    }

    next(){

    }

    prev() {

    }



}