var path = require('path');
var database = require(path.join(__dirname, '../../database.js'));
let strftime = require('strftime');

module.exports = class LetterDebtor {
    async getData(params, cb) {
        let qryData = `SELECT
                            c.id clientId,
                            LOWER(ct.code) AS countryCode,
                            c.email AS recipient,
                            c.socialName AS clientName,
                            c.street,
                            c.postcode,
                            c.city,
                            c.fi,
                            p.name AS province,
                            ct.country
                    FROM client c
                        JOIN country ct ON ct.id = c.countryFk
                        LEFT JOIN province p ON p.id = c.provinceFk
                    WHERE c.id = ?`;

        let qryLines = `CALL vn.clientGetDebtDiary(?, ?)`;

        try {
            let [data] = await database.pool.query(qryData, [params.clientId]);

            if (!data)
                throw new Error('No body data found');

            let [lines] = await database.pool.query(qryLines, [params.clientId, params.companyId]);

            Object.assign(this, data[0]);

            this.lines = lines[0];
            this.formatLines();
            this.getBalance();
            cb();
        } catch (e) {
            cb(e);
        }
    }

    get currentDate() {
        return strftime('%d-%m-%Y', new Date());
    }

    formatLines() {
        this.lines.forEach(line => {
            if (line.issued)
                line.issued = strftime('%d-%m-%Y', line.issued);
        });
    }

    getBalance() {
        let balance = 0.00;
        this.lines.forEach(line => {
            if (line.debtOut)
                balance += parseFloat(line.debtOut);

            if (line.debtIn)
                balance -= parseFloat(line.debtIn);

            line.balance = parseFloat(balance.toFixed(2));
        });
    }

    totalDebtOut() {
        let debtOut = 0.00;
        this.lines.forEach(line => {
            debtOut += line.debtOut ? parseFloat(line.debtOut) : 0;
        });

        return debtOut.toFixed(2);
    }

    totalDebtIn() {
        let debtIn = 0.00;
        this.lines.forEach(line => {
            debtIn += line.debtIn ? parseFloat(line.debtIn) : 0;
        });

        return debtIn.toFixed(2);
    }

    totalBalance() {
        return this.totalDebtOut() - this.totalDebtIn();
    }
};