/*
Author : Enrique Blasco BLanquer
Date: 29 de mayo de 2019
*/
module.exports = Self => {
    Self.remoteMethodCtx('getWorkedWeek', {
        description: 'get worked week info',
        accessType: 'WRITE',
        returns: [{
            type: 'Object',
            root: true
        }],
        http: {
            path: `/getWorkedWeek`,
            verb: 'GET'
        }
    });

    Self.getWorkedWeek = async(ctx, data) => {
        const myUserId = ctx.req.accessToken.userId; // user id
        let lastDate = new Date('1986-09-24'); // reference date
        let diff = 0; // difference of value between two dates
        let total = 0; // total hours

        // 1 Get days of week
        let week = [];
        // 2 Starting Monday not Sunday
        let current = new Date();
        current.setDate((current.getDate() - current.getDay() + 1));
        for (let i = 0; i < 7; i++) {
            week.push(
                new Date(current)
            );
            current.setDate(current.getDate() + 1);
        }

        let fromDate = week[0].getFullYear() + '-' + (week[0].getMonth() + 1) + '-' + week[0].getDate();
        let toDate = week[week.length - 1].getFullYear() + '-' + (week[week.length - 1].getMonth() + 1) + '-' + week[week.length - 1].getDate();


        // 3 hours worked in a current week
        let hoursWeek = await Self.rawSql(`SELECT wtc.timed  ,wtc.order
                                           FROM vn.workerTimeControl wtc 
                                           WHERE userFk = ? 
                                            AND DATE(timed) BETWEEN ? AND ? ORDER BY timed DESC;`, [myUserId, fromDate, toDate]);

        // 4 treat data
        let isFirst = true;
        for (let i = hoursWeek.length - 1; i >= 0; i--) {
            let d = new Date(hoursWeek[i].timed);
            if (isFirst) {
                lastDate = d;
                isFirst = false;
            } else {
                if (lastDate.getDate() === d.getDate()) {
                    diff += Math.abs(d.getTime() - lastDate.getTime());
                    lastDate = d;
                } else {
                    total += diff;
                    diff = 0;
                    lastDate = d;
                }
            }
        }
        total += diff;

        // 5 calculate hours and minutes
        let decimalTime = total / 1000 / 3600;
        decimalTime = decimalTime * 60 * 60;
        let hours = Math.floor((decimalTime / (60 * 60)));
        decimalTime = decimalTime - (hours * 60 * 60);
        let minutes = Math.floor((decimalTime / 60));

        return {'timeds': hoursWeek, 'totalWorked': hours + ':' + minutes};
    };
};