// FileInfoDialog::buildSpec unit tests. Lane GUI.
//
// Pure function, no widgets involved — see the comment on the declaration. Red when an
// optional field starts being sent empty instead of omitted, or queueId leaks into a spec
// whose startMode isn't "queue".

#include <QJsonObject>
#include <QtTest>

#include "dialogs/FileInfoDialog.hpp"

using velox::gui::FileInfoDialog;

class TstFileInfoDialog : public QObject {
    Q_OBJECT

  private slots:
    void requiredFieldsAlwaysPresent();
    void emptyOptionalFieldsAreOmitted();
    void fullSpecIncludesEveryField();
    void queueIdOnlySentForQueueStartMode();
};

void TstFileInfoDialog::requiredFieldsAlwaysPresent() {
    const QJsonObject spec =
        FileInfoDialog::buildSpec("https://example.test/file.bin", "", "", "", "", 0, 0, "now", "");
    QCOMPARE(spec.value("url").toString(), QStringLiteral("https://example.test/file.bin"));
    QCOMPARE(spec.value("startMode").toString(), QStringLiteral("now"));
}

void TstFileInfoDialog::emptyOptionalFieldsAreOmitted() {
    const QJsonObject spec =
        FileInfoDialog::buildSpec("https://example.test/file.bin", "", "", "", "", 0, 0, "now", "");
    QVERIFY(!spec.contains("filename"));
    QVERIFY(!spec.contains("saveDir"));
    QVERIFY(!spec.contains("categoryId"));
    QVERIFY(!spec.contains("description"));
    QVERIFY(!spec.contains("segments"));
    QVERIFY(!spec.contains("bufferBytes"));
    QVERIFY(!spec.contains("queueId"));
}

void TstFileInfoDialog::fullSpecIncludesEveryField() {
    const QJsonObject spec =
        FileInfoDialog::buildSpec("https://example.test/file.bin", "file.bin", "/home/x/Downloads",
                                  "cat1", "a note", 8, 4 * 1024 * 1024, "later", "");
    QCOMPARE(spec.value("filename").toString(), QStringLiteral("file.bin"));
    QCOMPARE(spec.value("saveDir").toString(), QStringLiteral("/home/x/Downloads"));
    QCOMPARE(spec.value("categoryId").toString(), QStringLiteral("cat1"));
    QCOMPARE(spec.value("description").toString(), QStringLiteral("a note"));
    QCOMPARE(spec.value("segments").toInt(), 8);
    QCOMPARE(spec.value("bufferBytes").toDouble(), static_cast<double>(4 * 1024 * 1024));
}

void TstFileInfoDialog::queueIdOnlySentForQueueStartMode() {
    const QJsonObject queued = FileInfoDialog::buildSpec("https://example.test/file.bin", "", "",
                                                         "", "", 0, 0, "queue", "q1");
    QCOMPARE(queued.value("queueId").toString(), QStringLiteral("q1"));

    const QJsonObject notQueued = FileInfoDialog::buildSpec("https://example.test/file.bin", "", "",
                                                            "", "", 0, 0, "now", "q1");
    QVERIFY(!notQueued.contains("queueId"));
}

QTEST_MAIN(TstFileInfoDialog)
#include "tst_fileinfodialog.moc"