#include "pageappearance.h"
#include "ui_pageappearance.h"

#include <QDebug>
#include <QStandardPaths>
#include <QDir>

static const QStringList filters = {"*.colors"};

PageAppearance::PageAppearance(QWidget* parent):
    QWidget(parent),
    m_ui(new Ui::PageAppearance()),
    styles()
{
    m_ui->setupUi(this);

    m_ui->themeInput->addItem(tr("System"));
    styles.push_back("system");
    QStringList themes = QStyleFactory::keys();
    for (const QString& key : themes) {
        m_ui->themeInput->addItem(key);
        styles.push_back(key);
    }

    QSettings settings;
    QVariant vtheme = settings.value("theme");
    if (vtheme.isValid()) {
        QString theme = vtheme.toString();
        m_ui->themeInput->setCurrentText(theme);
    } else {
        m_ui->themeInput->setCurrentText("System");
    }

    connect(m_ui->themeInput, qOverload<int>(&QComboBox::currentIndexChanged), this, &PageAppearance::onThemeChanged);

    m_ui->colorInput->addItem(tr("System"));
    const QStringList dirs = QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, "color-schemes", QStandardPaths::LocateDirectory);
    QStringList schemeFiles;
    for (const QString &dir : dirs) {
        const QStringList fileNames = QDir(dir).entryList(filters);
        for (const QString &file : fileNames) {
            m_ui->colorInput->addItem(dir + QDir::separator() + file);
        }
    }

}

PageAppearance::~PageAppearance()
{
}

void PageAppearance::onThemeChanged(int index)
{
    if (index >= 0) {
        emit variableModified("theme", styles[index]);
    }
}