#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#include <Wt/WAbstractTableModel.h>
#pragma GCC diagnostic pop
#include <Wt/WApplication.h>
#include <Wt/WBootstrap5Theme.h>
#include <Wt/WContainerWidget.h>
#include <Wt/WGridLayout.h>
#include <Wt/WHBoxLayout.h>
#include <Wt/WMenuItem.h>
#include <Wt/WPanel.h>
#include <Wt/WPopupMenu.h>
#include <Wt/WPushButton.h>
#include <Wt/WServer.h>
#include <Wt/WTable.h>
#include <Wt/WTableView.h>
#include <Wt/WTabWidget.h>
#include <Wt/WText.h>
#include <Wt/WVBoxLayout.h>

using namespace std;
using namespace Wt;
using namespace Wt::cpp17;

#define SET_BS5THEME  1

// Always apply theme before creating widgets!
class CThemedApplication : public WApplication
{
public:
    CThemedApplication(const WEnvironment& rcEnv)
    : WApplication{rcEnv}
    {
        #if SET_BS5THEME
            setTheme(make_shared<WBootstrap5Theme>());
        #endif
    }
};

class CPanel final : public WContainerWidget
{
public:
    CPanel(const WString& text)
    {
        WBoxLayout& lytPanel{*setLayout(make_unique<WVBoxLayout>())};
        lytPanel.setContentsMargins(0, 0, 0, 0);
        lytPanel.setSpacing(0);

        WText& txtTop{*lytPanel.addWidget(make_unique<WText>())};
        txtTop.setText(text);
        txtTop.setTextAlignment(AlignmentFlag::Center);

        #if 0
        for (int i = 0; i < 3; ++i)
        {
            lytPanel.addWidget(make_unique<WTable>())
                ->columnAt    (0)->setWidth(20);
        }
        #endif

        WTable& tblBottom{*lytPanel.addWidget(make_unique<WTable>())};
        tblBottom.columnAt    (0)->setWidth(20);
        tblBottom.elementAt(0, 2)->addWidget(make_unique<WText>("long label text"))->setWordWrap(false);
        #if 0
        tblBottom.elementAt(1, 1)->setColumnSpan(3);
        tblBottom.elementAt(1, 1)->addWidget(make_unique<WTable>());
        #endif

        lytPanel.addStretch(100);
    }
};

class CApplication final : public CThemedApplication
{
public:
    CApplication(const WEnvironment& rcEnv);

private:
    WContainerWidget& _cntRoot{*root()};
    WBoxLayout& _lytRoot{*_cntRoot.setLayout(make_unique<WVBoxLayout>())};

    WTabWidget& _tbwMain{*_lytRoot.addWidget(make_unique<WTabWidget>(), /*stretch*/ 100)};
    WMenuItem& _tabA{*_tbwMain.addTab(make_unique<WContainerWidget>(), "A", ContentLoading::Eager)};
    WContainerWidget& _cntA{dynamic_cast<WContainerWidget&>(*_tbwMain.widget(_tbwMain.count() - 1))};
    WBoxLayout& _lytA{*_cntA.setLayout(make_unique<WHBoxLayout>())};

    WContainerWidget& _cntATop{*_lytA.addWidget(make_unique<WContainerWidget>())};
    WBoxLayout& _lytATop{*_cntATop.setLayout(make_unique<WHBoxLayout>())};
    #if 0
    WContainerWidget& _cntABottom{*_lytA.addWidget(make_unique<WContainerWidget>())};
    WBoxLayout& _lytABottom{*_cntABottom.setLayout(make_unique<WHBoxLayout>())};

    WMenuItem& _tabB{*_tbwMain.addTab(make_unique<WTableView>(), "B", ContentLoading::Eager)};
    #endif
};

CApplication::CApplication(const WEnvironment& rcEnv)
: CThemedApplication{rcEnv}
{
    setTitle("bug repro " WT_VERSION_STR);

    _lytA.setContentsMargins(0, 0, 0, 0);
    _lytA.addStretch(100);
    _cntA.setOverflow(Overflow::Auto);

    _lytATop.setContentsMargins(0, 0, 0, 0);
    _lytATop.setSpacing(0);
    for (int i = 0; i < 20; ++i)
    {
        _lytATop.addWidget(make_unique<CPanel>("panel " + std::to_string(i + 1)));
    }
    _lytATop.addStretch(100);
    _cntATop.setOverflow(Overflow::Auto);

    #if 0
    _lytABottom.setContentsMargins(0, 0, 0, 0);
    _lytABottom.addStretch(100);
    _lytABottom.addWidget(make_unique<WPushButton>("Button"))->clicked().connect([&] { });
    #endif

    // final action after creating the UI
    enableUpdates();
}

int main(int argc, char* argv[])
{
    return WRun(argc, argv, [](const WEnvironment& rcEnv)
        {
            try
            {
                return make_unique<CApplication>(rcEnv);
            }
            catch (const std::exception& rcException)
            {
                cerr << "exception " << typeid(remove_cvref<decltype(rcException)>::type).name() << ": " << rcException.what() << endl;

                #if DEBUG
                    exit(-1);
                #endif
                throw;
            }
        });
}