#include "MainWindow.hpp"
#include "ui_MainWindow.h"
#include <QLineEdit>
#include <QCheckBox>
#include <QCryptographicHash>
#include <QComboBox>
#include "CRC32.hpp"
#include "CRC64.hpp"

MainWindow::MainWindow(QWidget *parent)
        : QMainWindow(parent),
          m_ui(new Ui::MainWindow()) {
    m_ui->setupUi(this);
}

MainWindow::~MainWindow() {
    delete m_ui;
}

void MainWindow::onTextChanged(QString str) {
    if (!str.isEmpty()) {
        std::string val = (m_ui->addPrefixCheckbox->isChecked() ? "$/" : "") +
                          (m_ui->toLowerCheckbox->isChecked() ? str.toLower() : str).toStdString();
        QString result;
        if (m_ui->comboBox->currentText().toLower() == "crc32") {
            result = tr("%1").arg(CRC32::Calculate(val.c_str(), val.length()), 8, 16, QLatin1Char('0'));
        } else if (m_ui->comboBox->currentText().toLower() == "crc64") {
            uint64_t sum = CRC64::Calculate(val.c_str(), val.length());
            result = tr("%1 (%2)").arg(sum, 16, 16, QLatin1Char('0')).arg(sum);
        } else if (m_ui->comboBox->currentText().toLower() == "md5") {
            QByteArray tmp = QCryptographicHash::hash(QByteArray::fromStdString(val),
                                                      QCryptographicHash::Algorithm::Md5);
            result = tmp.mid(8).toHex();
        }
        m_ui->resultLineEdit->setText(result.toUpper());
    } else
        m_ui->resultLineEdit->clear();
}

void MainWindow::onCheckStateChanged() {
    onTextChanged(m_ui->pathLineEdit->text());
}