#include "settingsdialog.h"

#include "mainwindow.h"

#include <core/database.h>
#include <printer/posprinter.h>
#include <printer/utils.h>
#include <core/utils.h>

#include <exception>
#include <stdexcept>

#include <QMessageBox>
#include <QSettings>

SettingsDialog::SettingsDialog(QWidget* parent, Qt::WindowFlags f) : QDialog(parent, f)
{
    ui_.setupUi(this);

    QSettings settings{};
    int cashPointNo = settings.value("global/cashPointNo").toInt();
    QString commune = settings.value("global/commune", "Dettingen").toString();
    QString posPrinterDevice = settings.value("global/posPrinterDevice").toString();
    QString posPrinterEndpoint = settings.value("global/posPrinterEndpoint").toString();
    int feeInPercent = settings.value("global/feeInPercent").toInt();
    int maxFeeInEuro = settings.value("global/maxFeeInEuro").toInt();

    if (parent)
        market_ = dynamic_cast<MainWindow*>(parent)->getMarketplace();

    ui_.cashPointNoSpinBox->setValue(cashPointNo);
    ui_.communeEdit->setText(commune);
    ui_.posPrinterDeviceEdit->setText(posPrinterDevice);
    ui_.posPrinterEndpointEdit->setText(posPrinterEndpoint);
    ui_.feePercentSpinBox->setValue(feeInPercent);
    ui_.maxFeeSpinBox->setValue(maxFeeInEuro);

    connect(ui_.testPosPrinterButton, &QPushButton::clicked, this, [=]() {
        using namespace std::string_literals;
        try {
            if (ui_.posPrinterDeviceEdit->text().isEmpty()) {
                PosPrinter printer;
                printer.printTest();
            } else {
                std::string posPrinterDeviceString = ui_.posPrinterDeviceEdit->text().toStdString();
                std::string posPrinterEndpointString =
                    ui_.posPrinterEndpointEdit->text().toStdString();

                try {
                    auto printerDevice =
                        convertToPosPrinterDevice(posPrinterDeviceString, posPrinterEndpointString);

                    if (printerDevice) {
                        PosPrinter printer(*printerDevice);
                        printer.printTest();
                    }

                } catch (std::exception&) {
                    QMessageBox(QMessageBox::Icon::Warning, "Falsche Eingabe",
                                QString("Eingabeformat für Device (hexadezimale IDs): "
                                        "<VendorID>:<ProductID>\nBeispiel: 0416:5011\n "
                                        "Eingabeformat für Endpoint: Hexadezimale Adresse"),
                                QMessageBox::StandardButton::Ok, this)
                        .exec();
                    return;
                }
            }
        } catch (std::runtime_error& err) {
            QMessageBox(QMessageBox::Icon::Warning, "Bondrucker Fehler",
                        QString("Test schlug fehl: ") + err.what(), QMessageBox::StandardButton::Ok,
                        this)
                .exec();
            return;
        }
    });
}

void SettingsDialog::accept()
{
    QSettings settings;

    int oldCashPointNo = settings.value("global/cashPointNo").toInt();
    int newCashPointNo = ui_.cashPointNoSpinBox->value();

    settings.setValue("global/commune", ui_.communeEdit->text().trimmed());
    settings.setValue("global/posPrinterDevice", ui_.posPrinterDeviceEdit->text().trimmed());
    settings.setValue("global/posPrinterEndpoint", ui_.posPrinterEndpointEdit->text().trimmed());
    settings.setValue("global/feeInPercent", ui_.feePercentSpinBox->value());
    settings.setValue("global/maxFeeInEuro", ui_.maxFeeSpinBox->value());

    if (oldCashPointNo != newCashPointNo) {
        int result{0};
        if (market_ && market_->getSales().size() > 0) {
            result = QMessageBox(QMessageBox::Icon::Question, "Sind Sie sicher?",
                                 "Möchten Sie die Kassen-Nr wirklich ändern? Diese muss über alle "
                                 "Installationen hinweg eindeutig sein.",
                                 QMessageBox::StandardButton::Yes | QMessageBox::StandardButton::No,
                                 this)
                         .exec();
        } else {
            result = QMessageBox::Yes;
        }
        if (result == QMessageBox::Yes) {
            try {
                Database().updateCashPointNo(oldCashPointNo, newCashPointNo);
            } catch (std::exception& ex) {
                std::string errMsg("Das Ändern der Kassen-Nr. ist fehlgeschlagen: ");
                errMsg.append(ex.what());
                QMessageBox(QMessageBox::Icon::Critical, "Fehler", errMsg.c_str(),
                            QMessageBox::StandardButton::Ok, this)
                    .exec();
                QDialog::accept();
                return;
            }
            settings.setValue("global/cashPointNo", ui_.cashPointNoSpinBox->value());
        }
    }

    QDialog::accept();
}