#include "imagegallery.h"
#include <QPixmap>
#include <QImageReader>

ImageGallery::ImageGallery(QWidget *parent) : QWidget(parent)
{
    scrollArea = new QScrollArea(this);
    scrollWidget = new QWidget(scrollArea);
    scrollLayout = new QVBoxLayout(scrollWidget);

    scrollArea->setWidgetResizable(true);
    scrollArea->setWidget(scrollWidget);

    QVBoxLayout *mainLayout = new QVBoxLayout(this);
    mainLayout->addWidget(scrollArea);
    setLayout(mainLayout);
}

void ImageGallery::addImage(const QString &imagePath)
{
    QLabel *imageLabel = new QLabel(scrollWidget);
    QPixmap pixmap(imagePath);
    imageLabel->setPixmap(pixmap.scaledToWidth(400, Qt::SmoothTransformation));
    imageLabel->setAlignment(Qt::AlignCenter);

    scrollLayout->addWidget(imageLabel);
    imageLabels.append(imageLabel);
}
void ImageGallery::addImagesFromDirectory(const QString &directoryPath){
    QDir directory(directoryPath);
    QStringList filters;
    const QList<QByteArray> supportedFormats = QImageReader::supportedImageFormats();

    for(const QByteArray &format : supportedFormats){
        filters.append("*." + QString(format).toLower());
    }

    directory.setNameFilters(filters);
    directory.setFilter(QDir::Files | QDir::Readable);
    directory.setSorting(QDir::Name);

    const QFileInfoList fileList = directory.entryInfoList();
    for(const QFileInfo &fileInfo : fileList) {
        addImage(fileInfo.absoluteFilePath());
    }
}