/*****************************************************************************
 * Copyright (c) 2014-2024 OpenRCT2 developers
 *
 * For a complete list of all authors, please refer to contributors.md
 * Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
 *
 * OpenRCT2 is licensed under the GNU General Public License version 3.
 *****************************************************************************/

#include <algorithm>
#include <openrct2-ui/interface/Widget.h>
#include <openrct2-ui/ride/Construction.h>
#include <openrct2-ui/windows/Window.h>
#include <openrct2/Context.h>
#include <openrct2/Editor.h>
#include <openrct2/OpenRCT2.h>
#include <openrct2/audio/audio.h>
#include <openrct2/config/Config.h>
#include <openrct2/core/String.hpp>
#include <openrct2/drawing/IDrawingEngine.h>
#include <openrct2/localisation/Formatter.h>
#include <openrct2/localisation/Localisation.h>
#include <openrct2/ride/RideConstruction.h>
#include <openrct2/ride/RideData.h>
#include <openrct2/ride/TrackDesign.h>
#include <openrct2/ride/TrackDesignRepository.h>
#include <openrct2/sprites.h>
#include <openrct2/windows/Intent.h>
#include <vector>

namespace OpenRCT2::Ui::Windows
{
    static constexpr StringId WINDOW_TITLE = STR_SELECT_DESIGN;
    static constexpr int32_t WH = 441;
    static constexpr int32_t WW = 600;
    static constexpr int32_t DEBUG_PATH_HEIGHT = 12;
    static constexpr int32_t ROTATE_AND_SCENERY_BUTTON_SIZE = 24;
    static constexpr int32_t WINDOW_PADDING = 5;

    // clang-format off
enum {
    WIDX_BACKGROUND,
    WIDX_TITLE,
    WIDX_CLOSE,
    WIDX_BACK,
    WIDX_FILTER_STRING,
    WIDX_FILTER_CLEAR,
    WIDX_TRACK_LIST,
    WIDX_TRACK_PREVIEW,
    WIDX_ROTATE,
    WIDX_TOGGLE_SCENERY,
};

validate_global_widx(WC_TRACK_DESIGN_LIST, WIDX_ROTATE);

static Widget _trackListWidgets[] = {
    WINDOW_SHIM(WINDOW_TITLE, WW, WH),
    MakeWidget({  4,  18}, {218,  13}, WindowWidgetType::TableHeader, WindowColour::Primary  , STR_SELECT_OTHER_RIDE                                       ),
    MakeWidget({  4,  32}, {124,  13}, WindowWidgetType::TextBox,     WindowColour::Secondary                                                              ),
    MakeWidget({130,  32}, { 92,  13}, WindowWidgetType::Button,       WindowColour::Primary  , STR_OBJECT_SEARCH_CLEAR                                     ),
    MakeWidget({  4,  46}, {218, 381}, WindowWidgetType::Scroll,       WindowColour::Primary  , SCROLL_VERTICAL,         STR_CLICK_ON_DESIGN_TO_BUILD_IT_TIP),
    MakeWidget({224,  18}, {372, 219}, WindowWidgetType::FlatBtn,      WindowColour::Primary                                                                ),
    MakeWidget({572, 405}, { ROTATE_AND_SCENERY_BUTTON_SIZE, ROTATE_AND_SCENERY_BUTTON_SIZE}, WindowWidgetType::FlatBtn,      WindowColour::Primary  , ImageId(SPR_ROTATE_ARROW),        STR_ROTATE_90_TIP                  ),
    MakeWidget({572, 381}, { ROTATE_AND_SCENERY_BUTTON_SIZE, ROTATE_AND_SCENERY_BUTTON_SIZE}, WindowWidgetType::FlatBtn,      WindowColour::Primary  , ImageId(SPR_SCENERY),             STR_TOGGLE_SCENERY_TIP             ),
    kWidgetsEnd,
};

    // clang-format on

    constexpr uint16_t TRACK_DESIGN_INDEX_UNLOADED = UINT16_MAX;

    RideSelection _window_track_list_item;

    class TrackListWindow final : public Window
    {
    private:
        std::vector<TrackDesignFileRef> _trackDesigns;
        utf8 _filterString[USER_STRING_MAX_LENGTH]{};
        std::vector<uint16_t> _filteredTrackIds;
        uint16_t _loadedTrackDesignIndex;
        std::unique_ptr<TrackDesign> _loadedTrackDesign;
        std::vector<uint8_t> _trackDesignPreviewPixels;
        bool _selectedItemIsBeingUpdated;
        bool _reloadTrackDesigns;

        void FilterList()
        {
            _filteredTrackIds.clear();

            // Nothing to filter, so fill the list with all indices
            if (String::LengthOf(_filterString) == 0)
            {
                for (uint16_t i = 0; i < _trackDesigns.size(); i++)
                    _filteredTrackIds.push_back(i);

                return;
            }

            // Convert filter to uppercase
            const auto filterStringUpper = String::ToUpper(_filterString);

            // Fill the set with indices for tracks that match the filter
            for (uint16_t i = 0; i < _trackDesigns.size(); i++)
            {
                const auto trackNameUpper = String::ToUpper(_trackDesigns[i].name);
                if (trackNameUpper.find(filterStringUpper) != std::string::npos)
                {
                    _filteredTrackIds.push_back(i);
                }
            }

            // Ensure that the selected item is still in the list.
            if (static_cast<size_t>(selected_list_item) >= _filteredTrackIds.size())
            {
                selected_list_item = 0;
            }
        }

        void SelectFromList(int32_t listIndex)
        {
            OpenRCT2::Audio::Play(OpenRCT2::Audio::SoundId::Click1, 0, this->windowPos.x + (this->width / 2));
            if (!(gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER))
            {
                if (listIndex == 0)
                {
                    Close();
                    RideConstructNew(_window_track_list_item);
                    return;
                }
                listIndex--;
            }

            // Displays a message if the ride can't load, fix #4080
            if (_loadedTrackDesign == nullptr)
            {
                ContextShowError(STR_CANT_BUILD_THIS_HERE, STR_TRACK_LOAD_FAILED_ERROR, {});
                return;
            }

            if (_loadedTrackDesign->track_flags & TRACK_DESIGN_FLAG_SCENERY_UNAVAILABLE)
            {
                gTrackDesignSceneryToggle = true;
            }

            uint16_t trackDesignIndex = _filteredTrackIds[listIndex];
            TrackDesignFileRef* tdRef = &_trackDesigns[trackDesignIndex];
            if (gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER)
            {
                auto intent = Intent(WindowClass::ManageTrackDesign);
                intent.PutExtra(INTENT_EXTRA_TRACK_DESIGN, tdRef);
                ContextOpenIntent(&intent);
            }
            else
            {
                if (_loadedTrackDesignIndex != TRACK_DESIGN_INDEX_UNLOADED
                    && (_loadedTrackDesign->track_flags & TRACK_DESIGN_FLAG_VEHICLE_UNAVAILABLE))
                {
                    ContextShowError(STR_THIS_DESIGN_WILL_BE_BUILT_WITH_AN_ALTERNATIVE_VEHICLE_TYPE, STR_NONE, {});
                }

                auto intent = Intent(WindowClass::TrackDesignPlace);
                intent.PutExtra(INTENT_EXTRA_TRACK_DESIGN, tdRef);
                ContextOpenIntent(&intent);
            }
        }

        int32_t GetListItemFromPosition(const ScreenCoordsXY& screenCoords)
        {
            size_t maxItems = _filteredTrackIds.size();
            if (!(gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER))
            {
                // Extra item: custom design
                maxItems++;
            }

            int32_t index = screenCoords.y / SCROLLABLE_ROW_HEIGHT;
            if (index < 0 || static_cast<uint32_t>(index) >= maxItems)
            {
                index = -1;
            }
            return index;
        }

        void LoadDesignsList(RideSelection item)
        {
            auto repo = OpenRCT2::GetContext()->GetTrackDesignRepository();
            std::string entryName;
            if (item.Type < 0x80)
            {
                if (GetRideTypeDescriptor(item.Type).HasFlag(RIDE_TYPE_FLAG_LIST_VEHICLES_SEPARATELY))
                {
                    entryName = GetRideEntryName(item.EntryIndex);
                }
            }
            _trackDesigns = repo->GetItemsForObjectEntry(item.Type, entryName);

            FilterList();
        }

        bool LoadDesignPreview(const u8string& path)
        {
            _loadedTrackDesign = TrackDesignImport(path.c_str());
            if (_loadedTrackDesign != nullptr)
            {
                TrackDesignDrawPreview(_loadedTrackDesign.get(), _trackDesignPreviewPixels.data());
                return true;
            }
            return false;
        }

    public:
        TrackListWindow(const RideSelection item)
        {
            _window_track_list_item = item;
        }

        void OnOpen() override
        {
            LoadDesignsList(_window_track_list_item);

            String::Set(_filterString, sizeof(_filterString), "");
            _trackListWidgets[WIDX_FILTER_STRING].string = _filterString;
            widgets = _trackListWidgets;

            if (gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER)
            {
                widgets[WIDX_BACK].type = WindowWidgetType::Empty;
            }
            else
            {
                widgets[WIDX_BACK].type = WindowWidgetType::TableHeader;
            }

            WindowInitScrollWidgets(*this);
            _selectedItemIsBeingUpdated = false;
            _reloadTrackDesigns = false;
            // Start with first track highlighted
            selected_list_item = 0;
            if (_trackDesigns.size() != 0 && !(gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER))
            {
                selected_list_item = 1;
            }
            gTrackDesignSceneryToggle = false;
            WindowPushOthersRight(*this);
            _currentTrackPieceDirection = 2;
            _trackDesignPreviewPixels.resize(4 * kTrackPreviewImageSize);

            _loadedTrackDesign = nullptr;
            _loadedTrackDesignIndex = TRACK_DESIGN_INDEX_UNLOADED;
        }

        void OnClose() override
        {
            // Dispose track design and preview
            _loadedTrackDesign = nullptr;
            _trackDesignPreviewPixels.clear();
            _trackDesignPreviewPixels.shrink_to_fit();

            // Dispose track list
            _trackDesigns.clear();

            // If gScreenAge is zero, we're already in the process
            // of loading the track manager, so we shouldn't try
            // to do it again. Otherwise, this window will get
            // another close signal from the track manager load function,
            // try to load the track manager again, and an infinite loop will result.
            if ((gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER) && gScreenAge != 0)
            {
                WindowCloseByNumber(WindowClass::ManageTrackDesign, number);
                WindowCloseByNumber(WindowClass::TrackDeletePrompt, number);
                Editor::LoadTrackManager();
            }
        }

        void OnMouseUp(const WidgetIndex widgetIndex) override
        {
            switch (widgetIndex)
            {
                case WIDX_CLOSE:
                    Close();
                    break;
                case WIDX_ROTATE:
                    _currentTrackPieceDirection++;
                    _currentTrackPieceDirection %= 4;
                    Invalidate();
                    break;
                case WIDX_TOGGLE_SCENERY:
                    gTrackDesignSceneryToggle = !gTrackDesignSceneryToggle;
                    _loadedTrackDesignIndex = TRACK_DESIGN_INDEX_UNLOADED;
                    Invalidate();
                    break;
                case WIDX_BACK:
                    Close();
                    if (!(gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER))
                    {
                        ContextOpenWindow(WindowClass::ConstructRide);
                    }
                    break;
                case WIDX_FILTER_STRING:
                    WindowStartTextbox(
                        *this, widgetIndex, STR_STRING, _filterString, sizeof(_filterString)); // TODO check this out
                    break;
                case WIDX_FILTER_CLEAR:
                    // Keep the highlighted item selected
                    if (gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER)
                    {
                        if (selected_list_item != -1 && _filteredTrackIds.size() > static_cast<size_t>(selected_list_item))
                            selected_list_item = _filteredTrackIds[selected_list_item];
                        else
                            selected_list_item = -1;
                    }
                    else
                    {
                        if (selected_list_item != 0)
                            selected_list_item = _filteredTrackIds[selected_list_item - 1] + 1;
                    }

                    String::Set(_filterString, sizeof(_filterString), "");
                    FilterList();
                    Invalidate();
                    break;
            }
        }

        ScreenSize OnScrollGetSize(const int32_t scrollIndex) override
        {
            size_t numItems = _filteredTrackIds.size();
            if (!(gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER))
            {
                // Extra item: custom design
                numItems++;
            }
            int32_t scrollHeight = static_cast<int32_t>(numItems * SCROLLABLE_ROW_HEIGHT);

            return { width, scrollHeight };
        }

        void OnScrollMouseDown(const int32_t scrollIndex, const ScreenCoordsXY& screenCoords) override
        {
            if (!_selectedItemIsBeingUpdated)
            {
                int32_t i = GetListItemFromPosition(screenCoords);
                if (i != -1)
                {
                    SelectFromList(i);
                }
            }
        }

        void OnScrollMouseOver(const int32_t scrollIndex, const ScreenCoordsXY& screenCoords) override
        {
            if (!_selectedItemIsBeingUpdated)
            {
                int32_t i = GetListItemFromPosition(screenCoords);
                if (i != -1 && selected_list_item != i)
                {
                    selected_list_item = i;
                    Invalidate();
                }
            }
        }

        void OnTextInput(const WidgetIndex widgetIndex, std::string_view text) override
        {
            if (widgetIndex != WIDX_FILTER_STRING)
                return;

            if (String::Equals(_filterString, std::string(text).c_str()))
                return;

            String::Set(_filterString, sizeof(_filterString), std::string(text).c_str());

            FilterList();

            scrolls->v_top = 0;

            Invalidate();
        }

        void OnPrepareDraw() override
        {
            StringId stringId = STR_NONE;
            const auto* entry = GetRideEntryByIndex(_window_track_list_item.EntryIndex);

            if (entry != nullptr)
            {
                RideNaming rideName = GetRideNaming(_window_track_list_item.Type, *entry);
                stringId = rideName.Name;
            }

            Formatter::Common().Add<StringId>(stringId);
            if (gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER)
            {
                widgets[WIDX_TITLE].text = STR_TRACK_DESIGNS;
                widgets[WIDX_TRACK_LIST].tooltip = STR_CLICK_ON_DESIGN_TO_RENAME_OR_DELETE_IT;
            }
            else
            {
                widgets[WIDX_TITLE].text = STR_SELECT_DESIGN;
                widgets[WIDX_TRACK_LIST].tooltip = STR_CLICK_ON_DESIGN_TO_BUILD_IT_TIP;
            }

            if ((gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER) || selected_list_item != 0)
            {
                pressed_widgets |= 1uLL << WIDX_TRACK_PREVIEW;
                disabled_widgets &= ~(1uLL << WIDX_TRACK_PREVIEW);
                widgets[WIDX_ROTATE].type = WindowWidgetType::FlatBtn;
                widgets[WIDX_TOGGLE_SCENERY].type = WindowWidgetType::FlatBtn;
                if (gTrackDesignSceneryToggle)
                {
                    pressed_widgets &= ~(1uLL << WIDX_TOGGLE_SCENERY);
                }
                else
                {
                    pressed_widgets |= (1uLL << WIDX_TOGGLE_SCENERY);
                }
            }
            else
            {
                pressed_widgets &= ~(1uLL << WIDX_TRACK_PREVIEW);
                disabled_widgets |= (1uLL << WIDX_TRACK_PREVIEW);
                widgets[WIDX_ROTATE].type = WindowWidgetType::Empty;
                widgets[WIDX_TOGGLE_SCENERY].type = WindowWidgetType::Empty;
            }

            // When debugging tools are on, shift everything up a bit to make room for displaying the path.
            const int32_t bottomMargin = gConfigGeneral.DebuggingTools ? (WINDOW_PADDING + DEBUG_PATH_HEIGHT) : WINDOW_PADDING;
            widgets[WIDX_TRACK_LIST].bottom = height - bottomMargin;
            widgets[WIDX_ROTATE].bottom = height - bottomMargin;
            widgets[WIDX_ROTATE].top = widgets[WIDX_ROTATE].bottom - ROTATE_AND_SCENERY_BUTTON_SIZE;
            widgets[WIDX_TOGGLE_SCENERY].bottom = widgets[WIDX_ROTATE].top;
            widgets[WIDX_TOGGLE_SCENERY].top = widgets[WIDX_TOGGLE_SCENERY].bottom - ROTATE_AND_SCENERY_BUTTON_SIZE;
        }

        void OnUpdate() override
        {
            if (gCurrentTextBox.window.classification == classification && gCurrentTextBox.window.number == number)
            {
                WindowUpdateTextboxCaret();
                WidgetInvalidate(*this, WIDX_FILTER_STRING); // TODO Check this
            }

            if (_reloadTrackDesigns)
            {
                LoadDesignsList(_window_track_list_item);
                selected_list_item = 0;
                Invalidate();
                _reloadTrackDesigns = false;
            }
        }

        void OnDraw(DrawPixelInfo& dpi) override
        {
            DrawWidgets(dpi);

            int32_t listItemIndex = selected_list_item;
            if ((gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER) == 0)
            {
                // Because the first item in the list is "Build a custom design", lower the index by one
                listItemIndex--;
            }

            if (_filteredTrackIds.empty() || listItemIndex == -1)
                return;

            int32_t trackIndex = _filteredTrackIds[listItemIndex];

            // Track preview
            auto& tdWidget = widgets[WIDX_TRACK_PREVIEW];
            int32_t colour = ColourMapA[colours[0]].darkest;
            u8string path = _trackDesigns[trackIndex].path;

            // Show track file path (in debug mode)
            if (gConfigGeneral.DebuggingTools)
            {
                const auto shortPath = ShortenPath(path, width, FontStyle::Medium);
                auto ft = Formatter();
                ft.Add<utf8*>(shortPath.c_str());
                DrawTextBasic(
                    dpi, windowPos + ScreenCoordsXY{ 0, height - DEBUG_PATH_HEIGHT - 3 }, STR_STRING, ft,
                    { colours[1] }); // TODO Check dpi
            }

            auto screenPos = windowPos + ScreenCoordsXY{ tdWidget.left + 1, tdWidget.top + 1 };
            GfxFillRect(dpi, { screenPos, screenPos + ScreenCoordsXY{ 369, 216 } }, colour); // TODO Check dpi

            if (_loadedTrackDesignIndex != trackIndex)
            {
                if (LoadDesignPreview(path))
                {
                    _loadedTrackDesignIndex = trackIndex;
                }
                else
                {
                    _loadedTrackDesignIndex = TRACK_DESIGN_INDEX_UNLOADED;
                }
            }

            if (!_loadedTrackDesign)
            {
                return;
            }

            auto trackPreview = screenPos;
            screenPos = windowPos + ScreenCoordsXY{ tdWidget.midX(), tdWidget.midY() };

            G1Element g1temp = {};
            g1temp.offset = _trackDesignPreviewPixels.data() + (_currentTrackPieceDirection * kTrackPreviewImageSize);
            g1temp.width = 370;
            g1temp.height = 217;
            g1temp.flags = G1_FLAG_HAS_TRANSPARENCY;
            GfxSetG1Element(SPR_TEMP, &g1temp);
            DrawingEngineInvalidateImage(SPR_TEMP);
            GfxDrawSprite(dpi, ImageId(SPR_TEMP), trackPreview);

            screenPos.y = windowPos.y + tdWidget.bottom - 12;

            // Warnings
            if ((_loadedTrackDesign->track_flags & TRACK_DESIGN_FLAG_VEHICLE_UNAVAILABLE)
                && !(gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER))
            {
                // Vehicle design not available
                DrawTextEllipsised(dpi, screenPos, 368, STR_VEHICLE_DESIGN_UNAVAILABLE, {}, { TextAlignment::CENTRE });
                screenPos.y -= SCROLLABLE_ROW_HEIGHT;
            }

            if (_loadedTrackDesign->track_flags & TRACK_DESIGN_FLAG_SCENERY_UNAVAILABLE)
            {
                if (!gTrackDesignSceneryToggle)
                {
                    // Scenery not available
                    DrawTextEllipsised(
                        dpi, screenPos, 368, STR_DESIGN_INCLUDES_SCENERY_WHICH_IS_UNAVAILABLE, {}, { TextAlignment::CENTRE });
                    screenPos.y -= SCROLLABLE_ROW_HEIGHT;
                }
            }

            // Track design name
            auto ft = Formatter();
            ft.Add<const utf8*>(_trackDesigns[trackIndex].name.c_str());
            DrawTextEllipsised(dpi, screenPos, 368, STR_TRACK_PREVIEW_NAME_FORMAT, ft, { TextAlignment::CENTRE });

            // Information
            screenPos = windowPos + ScreenCoordsXY{ tdWidget.left + 1, tdWidget.bottom + 2 };

            // Stats
            ft = Formatter();
            ft.Add<fixed32_2dp>(_loadedTrackDesign->excitement * 10);
            DrawTextBasic(dpi, screenPos, STR_TRACK_LIST_EXCITEMENT_RATING, ft);
            screenPos.y += kListRowHeight;

            ft = Formatter();
            ft.Add<fixed32_2dp>(_loadedTrackDesign->intensity * 10);
            DrawTextBasic(dpi, screenPos, STR_TRACK_LIST_INTENSITY_RATING, ft);
            screenPos.y += kListRowHeight;

            ft = Formatter();
            ft.Add<fixed32_2dp>(_loadedTrackDesign->nausea * 10);
            DrawTextBasic(dpi, screenPos, STR_TRACK_LIST_NAUSEA_RATING, ft);
            screenPos.y += kListRowHeight + 4;

            // Information for tracked rides.
            if (GetRideTypeDescriptor(_loadedTrackDesign->type).HasFlag(RIDE_TYPE_FLAG_HAS_TRACK))
            {
                const auto& rtd = GetRideTypeDescriptor(_loadedTrackDesign->type);
                if (!rtd.HasFlag(RIDE_TYPE_FLAG_IS_MAZE))
                {
                    if (_loadedTrackDesign->type == RIDE_TYPE_MINI_GOLF)
                    {
                        // Holes
                        ft = Formatter();
                        ft.Add<uint16_t>(_loadedTrackDesign->holes & 0x1F);
                        DrawTextBasic(dpi, screenPos, STR_HOLES, ft);
                        screenPos.y += kListRowHeight;
                    }
                    else
                    {
                        // Maximum speed
                        ft = Formatter();
                        ft.Add<uint16_t>(((_loadedTrackDesign->max_speed << 16) * 9) >> 18);
                        DrawTextBasic(dpi, screenPos, STR_MAX_SPEED, ft);
                        screenPos.y += kListRowHeight;

                        // Average speed
                        ft = Formatter();
                        ft.Add<uint16_t>(((_loadedTrackDesign->average_speed << 16) * 9) >> 18);
                        DrawTextBasic(dpi, screenPos, STR_AVERAGE_SPEED, ft);
                        screenPos.y += kListRowHeight;
                    }

                    // Ride length
                    ft = Formatter();
                    ft.Add<StringId>(STR_RIDE_LENGTH_ENTRY);
                    ft.Add<uint16_t>(_loadedTrackDesign->ride_length);
                    DrawTextEllipsised(dpi, screenPos, 214, STR_TRACK_LIST_RIDE_LENGTH, ft);
                    screenPos.y += kListRowHeight;
                }

                if (GetRideTypeDescriptor(_loadedTrackDesign->type).HasFlag(RIDE_TYPE_FLAG_HAS_G_FORCES))
                {
                    // Maximum positive vertical Gs
                    ft = Formatter();
                    ft.Add<int32_t>(_loadedTrackDesign->max_positive_vertical_g * 32);
                    DrawTextBasic(dpi, screenPos, STR_MAX_POSITIVE_VERTICAL_G, ft);
                    screenPos.y += kListRowHeight;

                    // Maximum negative vertical Gs
                    ft = Formatter();
                    ft.Add<int32_t>(_loadedTrackDesign->max_negative_vertical_g * 32);
                    DrawTextBasic(dpi, screenPos, STR_MAX_NEGATIVE_VERTICAL_G, ft);
                    screenPos.y += kListRowHeight;

                    // Maximum lateral Gs
                    ft = Formatter();
                    ft.Add<int32_t>(_loadedTrackDesign->max_lateral_g * 32);
                    DrawTextBasic(dpi, screenPos, STR_MAX_LATERAL_G, ft);
                    screenPos.y += kListRowHeight;

                    if (_loadedTrackDesign->total_air_time != 0)
                    {
                        // Total air time
                        ft = Formatter();
                        ft.Add<int32_t>(_loadedTrackDesign->total_air_time * 25);
                        DrawTextBasic(dpi, screenPos, STR_TOTAL_AIR_TIME, ft);
                        screenPos.y += kListRowHeight;
                    }
                }

                if (GetRideTypeDescriptor(_loadedTrackDesign->type).HasFlag(RIDE_TYPE_FLAG_HAS_DROPS))
                {
                    // Drops
                    ft = Formatter();
                    ft.Add<uint16_t>(_loadedTrackDesign->drops & 0x3F);
                    DrawTextBasic(dpi, screenPos, STR_DROPS, ft);
                    screenPos.y += kListRowHeight;

                    // Drop height is multiplied by 0.75
                    ft = Formatter();
                    ft.Add<uint16_t>((_loadedTrackDesign->highest_drop_height * 3) / 4);
                    DrawTextBasic(dpi, screenPos, STR_HIGHEST_DROP_HEIGHT, ft);
                    screenPos.y += kListRowHeight;
                }

                if (_loadedTrackDesign->type != RIDE_TYPE_MINI_GOLF)
                {
                    uint16_t inversions = _loadedTrackDesign->inversions & 0x1F;
                    if (inversions != 0)
                    {
                        ft = Formatter();
                        ft.Add<uint16_t>(inversions);
                        // Inversions
                        DrawTextBasic(dpi, screenPos, STR_INVERSIONS, ft);
                        screenPos.y += kListRowHeight;
                    }
                }
                screenPos.y += 4;
            }

            if (_loadedTrackDesign->space_required_x != 0xFF)
            {
                // Space required
                ft = Formatter();
                ft.Add<uint16_t>(_loadedTrackDesign->space_required_x);
                ft.Add<uint16_t>(_loadedTrackDesign->space_required_y);
                DrawTextBasic(dpi, screenPos, STR_TRACK_LIST_SPACE_REQUIRED, ft);
                screenPos.y += kListRowHeight;
            }

            if (_loadedTrackDesign->cost != 0)
            {
                ft = Formatter();
                ft.Add<uint32_t>(_loadedTrackDesign->cost);
                DrawTextBasic(dpi, screenPos, STR_TRACK_LIST_COST_AROUND, ft);
            }
        }

        void OnScrollDraw(const int32_t scrollIndex, DrawPixelInfo& dpi) override
        {
            uint8_t paletteIndex = ColourMapA[colours[0]].mid_light;
            GfxClear(dpi, paletteIndex);

            auto screenCoords = ScreenCoordsXY{ 0, 0 };
            size_t listIndex = 0;
            if (gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER)
            {
                if (_trackDesigns.empty())
                {
                    // No track designs
                    DrawTextBasic(dpi, screenCoords - ScreenCoordsXY{ 0, 1 }, STR_NO_TRACK_DESIGNS_OF_THIS_TYPE);
                    return;
                }
            }
            else
            {
                // Build custom track item
                StringId stringId;
                if (listIndex == static_cast<size_t>(selected_list_item))
                {
                    // Highlight
                    GfxFilterRect(
                        dpi, { screenCoords, { width, screenCoords.y + SCROLLABLE_ROW_HEIGHT - 1 } },
                        FilterPaletteID::PaletteDarken1);
                    stringId = STR_WINDOW_COLOUR_2_STRINGID;
                }
                else
                {
                    stringId = STR_BLACK_STRING;
                }

                auto ft = Formatter();
                ft.Add<StringId>(STR_BUILD_CUSTOM_DESIGN);
                DrawTextBasic(dpi, screenCoords - ScreenCoordsXY{ 0, 1 }, stringId, ft);
                screenCoords.y += SCROLLABLE_ROW_HEIGHT;
                listIndex++;
            }

            for (auto i : _filteredTrackIds)
            {
                if (screenCoords.y + SCROLLABLE_ROW_HEIGHT >= dpi.y && screenCoords.y < dpi.y + dpi.height)
                {
                    StringId stringId;
                    if (listIndex == static_cast<size_t>(selected_list_item))
                    {
                        // Highlight
                        GfxFilterRect(
                            dpi, { screenCoords, { width, screenCoords.y + SCROLLABLE_ROW_HEIGHT - 1 } },
                            FilterPaletteID::PaletteDarken1);
                        stringId = STR_WINDOW_COLOUR_2_STRINGID;
                    }
                    else
                    {
                        stringId = STR_BLACK_STRING;
                    }

                    // Draw track name
                    auto ft = Formatter();
                    ft.Add<StringId>(STR_TRACK_LIST_NAME_FORMAT);
                    ft.Add<const utf8*>(_trackDesigns[i].name.c_str());
                    DrawTextBasic(dpi, screenCoords - ScreenCoordsXY{ 0, 1 }, stringId, ft);
                }

                screenCoords.y += SCROLLABLE_ROW_HEIGHT;
                listIndex++;
            }
        }

        void OnResize() override
        {
            ResizeFrame();
        }

        void SetIsBeingUpdated(const bool beingUpdated)
        {
            _selectedItemIsBeingUpdated = beingUpdated;
        }

        void ReloadTrackDesigns()
        {
            _reloadTrackDesigns = true;
        }
    };

    WindowBase* TrackListOpen(const RideSelection item)
    {
        WindowCloseConstructionWindows();
        ScreenCoordsXY screenPos{};
        if (gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER)
        {
            int32_t screenWidth = ContextGetWidth();
            int32_t screenHeight = ContextGetHeight();
            screenPos = { screenWidth / 2 - 300, std::max(kTopToolbarHeight + 1, screenHeight / 2 - 200) };
        }
        else
        {
            screenPos = { 0, kTopToolbarHeight + 2 };
        }
        return WindowCreate<TrackListWindow>(WindowClass::TrackDesignList, WW, WH, 0, item);
    }

    void WindowTrackDesignListReloadTracks()
    {
        auto* trackListWindow = static_cast<TrackListWindow*>(WindowFindByClass(WindowClass::TrackDesignList));
        if (trackListWindow != nullptr)
        {
            trackListWindow->ReloadTrackDesigns();
        }
    }

    void WindowTrackDesignListSetBeingUpdated(const bool beingUpdated)
    {
        auto* trackListWindow = static_cast<TrackListWindow*>(WindowFindByClass(WindowClass::TrackDesignList));
        if (trackListWindow != nullptr)
        {
            trackListWindow->SetIsBeingUpdated(beingUpdated);
        }
    }
} // namespace OpenRCT2::Ui::Windows