#include "pagegeneral.h"
#include "ui_pagegeneral.h"

PageGeneral::PageGeneral(QWidget* parent):
    QWidget(parent),
    m_ui(new Ui::PageGeneral()),
    dialog(nullptr)
{
    m_ui->setupUi(this);

    QSettings settings;
    m_ui->downloadsPathInput->setText(settings.value("downloadsPath").toString());
    connect(m_ui->downloadsPathButton, &QPushButton::clicked, this, &PageGeneral::onBrowseButtonClicked);
}

PageGeneral::~PageGeneral()
{
    if (dialog != nullptr) {
        dialog->deleteLater();
    }
}

void PageGeneral::onBrowseButtonClicked()
{
    if (dialog == nullptr) {
        QSettings settings;
        dialog = new QFileDialog(this, tr("Select where downloads folder is going to be"), settings.value("downloadsPath").toString());
        dialog->setAttribute(Qt::WA_DeleteOnClose);
        dialog->setAcceptMode(QFileDialog::AcceptSave);                 //I find it the most convinient way
        dialog->setFileMode(QFileDialog::AnyFile);                      //Otherwise the directory is supposed to be
        dialog->setOption(QFileDialog::ShowDirsOnly, true);             //selected and not to be navigated
        dialog->setOption(QFileDialog::DontConfirmOverwrite, true);
        dialog->setModal(true);
        connect(dialog, &QFileDialog::accepted, this, &PageGeneral::onDialogAccepted);
        connect(dialog, &QFileDialog::destroyed, this, &PageGeneral::onDialogDestroyed);
        dialog->show();
    } else {
        dialog->show();
        dialog->raise();
        dialog->activateWindow();
    }
}

void PageGeneral::onDialogAccepted()
{
    QStringList files = dialog->selectedFiles();
    QString path;
    if (files.size() > 0) {
        path = files[0];
    } else {
        path = dialog->directory().canonicalPath();
    }
    m_ui->downloadsPathInput->setText(path);
    emit variableModified("downloadsPath", path);
}

void PageGeneral::onDialogDestroyed()
{
    dialog = nullptr;
}