#include <QCoreApplication>
#include <QtTest>

#include "data/voucher.h"
#ifdef PRODEJNA_EET_V4
#include "eet/eetv4adapter.h"
#endif

class ShopTests : public QObject
{
    Q_OBJECT

private slots:
    void defaultsMatchNewVoucherState()
    {
        Voucher voucher;

        QCOMPARE(voucher.totalPrice().toDouble(), 0.0);
        QCOMPARE(voucher.status(), Voucher::NEW);
        QCOMPARE(voucher.eetStatus(), Voucher::EET_FOR_SEND);
    }

    void totalPriceRoundTripUsesFixedPointStorage()
    {
        Voucher voucher;

        voucher.setTotalPrice(QDecDouble(19.9));

        QVERIFY(qAbs(voucher.totalPrice().toDouble() - 19.9) < 0.0001);
    }

    void vatAmountIsDifferenceBetweenTotalAndBase()
    {
        Voucher voucher;

        voucher.setTotalPriceVatHigh(QDecDouble(121));
        voucher.setPriceVatHigh(QDecDouble(100));

        QVERIFY(qAbs(voucher.vatAmountHigh().toDouble() - 21.0) < 0.0001);
    }

    void voucherSumAccumulatesPricesWithoutTruncation()
    {
        VoucherSum sum(0, 0);

        sum.addPrice(QDecDouble(19.9));
        sum.addPrice(QDecDouble(0.1));

        QVERIFY(qAbs(sum.totalPrice().toDouble() - 20.0) < 0.0001);
    }

#ifdef PRODEJNA_EET_V4
    void eetV4AdapterBuildsRequestFromVoucher()
    {
        Voucher voucher;
        voucher.setNumSer(QStringLiteral("SHOP-42"));
        voucher.setPayDateTime(QDateTime(QDate(2026, 10, 13),
                                         QTime(20, 30),
                                         Qt::OffsetFromUTC,
                                         7200));
        voucher.setTotalPrice(QDecDouble(QStringLiteral("19.90").toLatin1().constData()));

        EetV4ShopConfig config;
        config.endpoint = QUrl(QStringLiteral("https://eet.example.test/eet"));
        config.taxpayerEic = QStringLiteral("CZ123456789");
        config.unitId = 3;
        config.cashRegisterId = QStringLiteral("KASA1");

        EetV4SaleRequest request;
        QString error;
        QVERIFY2(EetV4ShopAdapter::createRequest(voucher, config, &request, &error),
                 qPrintable(error));
        QCOMPARE(request.receiptNumber, QStringLiteral("SHOP-42"));
        QCOMPARE(request.totalSale.toString(), QStringLiteral("19.90"));
        QCOMPARE(request.unitId, 3);
        QCOMPARE(request.cashRegisterId, QStringLiteral("KASA1"));
        QVERIFY(request.verificationMode);
        QVERIFY(request.firstSubmission);
    }

    void eetV4AdapterRejectsInvalidConfiguration()
    {
        Voucher voucher;
        voucher.setNumSer(QStringLiteral("SHOP-42"));
        voucher.setPayDateTime(QDateTime::currentDateTime());
        voucher.setTotalPrice(QDecDouble(QStringLiteral("1.00").toLatin1().constData()));

        EetV4ShopConfig config;
        config.endpoint = QUrl(QStringLiteral("http://not-tls.example.test/eet"));
        EetV4SaleRequest request;
        QString error;

        QVERIFY(!EetV4ShopAdapter::createRequest(voucher, config, &request, &error));
        QVERIFY(error.contains(QStringLiteral("HTTPS")));
    }
#endif
};

int main(int argc, char *argv[])
{
    QCoreApplication app(argc, argv);
    ShopTests tests;
    return QTest::qExec(&tests, argc, argv);
}

#include "shop_tests.moc"