Qt-Music-Player/src/windows/playerWindow/playerWindow.cpp

#include "playerWindow.h"
#include <QVBoxLayout>
#include <QFileInfo>
#include <QCloseEvent>
#include "src/data/cleanerScripts.h"

PlayerWindow::PlayerWindow(const AlbumData& item, QWidget* parent)
    : QWidget(parent), item_(item)
{
    setWindowTitle("Now Playing");
    resize(350, 500);

    QVBoxLayout* layout = new QVBoxLayout(this);

    // Album artwork
    spinningArt_ = new SpinningAlbumArt(item.imagePath, 250);
    layout->addWidget(spinningArt_, 0, Qt::AlignCenter);

    // Track label
    trackLabel_ = new QLabel("Track");
    trackLabel_->setAlignment(Qt::AlignCenter);
    trackLabel_->setStyleSheet("font-size: 14px; font-weight: 500;");
    layout->addWidget(trackLabel_);

    // Track list widget
    trackList_ = new TrackListWidget(item_.audioFiles, this);
    layout->addWidget(trackList_);

    // Audio backend
    player_ = new QMediaPlayer(this);
    audio_ = new QAudioOutput(this);
    player_->setAudioOutput(audio_);

    // Spin album art based on playback
    connect(player_, &QMediaPlayer::playbackStateChanged, this,
            [this](QMediaPlayer::PlaybackState st){
                if (st == QMediaPlayer::PlayingState)
                    spinningArt_->start();
                else
                    spinningArt_->stop();
            });

    // When a track finishes, auto-play next
    connect(player_, &QMediaPlayer::mediaStatusChanged, this,
            [this](QMediaPlayer::MediaStatus st){
                if (st == QMediaPlayer::EndOfMedia)
                    handleTrackFinished();
            });

    // When a track is clicked
    connect(trackList_, &TrackListWidget::trackSelected, this,
            [this](int i){
                index_ = i;
                playTrack(index_);
            });

    // Start with track 0
    playTrack(index_);
}

void PlayerWindow::playTrack(int idx)
{
    if (idx < 0 || idx >= item_.audioFiles.size())
        return;

    index_ = idx;

    QString filePath = item_.audioFiles[idx];
    QString fileName = QFileInfo(filePath).fileName();
    QString title = cleanTrackTitle(fileName);

    trackLabel_->setText(QString("Track %1: %2").arg(idx + 1).arg(title));

    player_->setSource(QUrl::fromLocalFile(filePath));
    player_->play();

    // Highlight in the list
    trackList_->setCurrentRow(idx);
}

void PlayerWindow::handleTrackFinished()
{
    int nextIndex = index_ + 1;

    if (nextIndex >= item_.audioFiles.size()) {
        close();
        return;
    }

    playTrack(nextIndex);
}

void PlayerWindow::closeEvent(QCloseEvent* event)
{
    if (player_)
        player_->stop();

    QWidget::closeEvent(event);
}