const app = require('vn-loopback/server/server');

describe('Worker absences()', () => {
    const ctx = beforeAll.getCtx();
    it('should get the absence calendar for a full year contract', async() => {
        const ctx = {req: {accessToken: {userId: 1106}}};
        const workerId = 1106;
        const businessId = 1106;

        const now = Date.vnNew();
        const year = now.getFullYear();

        const [absences] = await app.models.Calendar.absences(ctx, workerId, businessId, year);

        const firstType = absences[0].absenceType().name;
        const sixthType = absences[5].absenceType().name;

        expect(firstType).toMatch(/(Holidays|Leave of absence)/);
        expect(sixthType).toMatch(/(Holidays|Leave of absence)/);
    });

    it('should get the absence calendar for a permanent contract', async() => {
        const businessId = 1106;

        const now = Date.vnNew();
        const year = now.getFullYear();

        const tx = await app.models.Calendar.beginTransaction({});

        try {
            const options = {transaction: tx};

            const worker = await app.models.WorkerLabour.findById(businessId, null, options);

            await app.models.WorkerLabour.rawSql(
                `UPDATE vn.business SET ended = ? WHERE id = ?`,
                [null, worker.businessFk], options);

            const [absences] = await app.models.Calendar.absences(ctx, worker.id, businessId, year, options);

            let firstType = absences[0].absenceType().name;
            let sixthType = absences[5].absenceType().name;

            expect(firstType).toMatch(/(Holidays|Leave of absence)/);
            expect(sixthType).toMatch(/(Holidays|Leave of absence)/);
            await tx.rollback();
        } catch (e) {
            await tx.rollback();
            throw e;
        }
    });

    it('Should have an equal number of holidays and workdays, as they both total the days in a year', async() => {
        const businessId = 1106;
        const workerId = 1106;

        const userId = 1106;
        const today = Date.vnNew();

        // getting how many days in a year
        const yearStart = Date.vnNew();
        yearStart.setHours(0, 0, 0, 0);
        yearStart.setMonth(0);
        yearStart.setDate(1);

        const yearEnd = Date.vnNew();
        const currentYear = yearEnd.getFullYear();
        yearEnd.setFullYear(currentYear + 1);
        yearEnd.setHours(0, 0, 0, 0);
        yearEnd.setMonth(0);
        yearEnd.setDate(1);
        const startedTime = yearStart.getTime();
        const endedTime = yearEnd.getTime();
        const dayTimestamp = 1000 * 60 * 60 * 24;

        const daysInYear = Math.round((endedTime - startedTime) / dayTimestamp);

        const tx = await app.models.Calendar.beginTransaction({});
        try {
            const options = {transaction: tx};

            // sets the holidays per year to the amount of days in the current year
            const holidaysConfig = await app.models.WorkCenterHoliday.findOne({
                where: {
                    workCenterFk: 1,
                    year: today.getFullYear()
                }
            }, options);

            await holidaysConfig.updateAttribute('days', daysInYear, options);

            // normal test begins
            const contract = await app.models.WorkerLabour.findById(businessId, null, options);

            const startingContract = Date.vnNew();
            startingContract.setHours(0, 0, 0, 0);
            startingContract.setMonth(today.getMonth());
            startingContract.setDate(1);

            await app.models.WorkerLabour.rawSql(
                `UPDATE vn.business SET started = ?, ended = ? WHERE id = ?`,
                [startingContract, yearEnd, contract.businessFk], options
            );

            const ctx = {req: {accessToken: {userId: userId}}};

            const [absences] = await app.models.Calendar.absences(ctx, workerId, businessId, currentYear);

            const firstType = absences[0].absenceType().name;
            const sixthType = absences[5].absenceType().name;

            expect(firstType).toMatch(/(Holidays|Leave of absence)/);
            expect(sixthType).toMatch(/(Holidays|Leave of absence)/);

            await tx.rollback();
        } catch (e) {
            await tx.rollback();
            throw e;
        }
    });
});