/*****************************************************************************
 * Copyright (c) 2014-2025 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 <cassert>
#include <openrct2-ui/interface/Dropdown.h>
#include <openrct2-ui/interface/Widget.h>
#include <openrct2-ui/windows/Windows.h>
#include <openrct2/Game.h>
#include <openrct2/actions/NetworkModifyGroupAction.h>
#include <openrct2/config/Config.h>
#include <openrct2/core/String.hpp>
#include <openrct2/drawing/Text.h>
#include <openrct2/network/network.h>
#include <openrct2/sprites.h>
#include <openrct2/ui/WindowManager.h>

namespace OpenRCT2::Ui::Windows
{
    enum
    {
        WINDOW_MULTIPLAYER_PAGE_INFORMATION,
        WINDOW_MULTIPLAYER_PAGE_PLAYERS,
        WINDOW_MULTIPLAYER_PAGE_GROUPS,
        WINDOW_MULTIPLAYER_PAGE_OPTIONS
    };

    enum WindowMultiplayerWidgetIdx
    {
        WIDX_BACKGROUND,
        WIDX_TITLE,
        WIDX_CLOSE,
        WIDX_CONTENT_PANEL,
        WIDX_TAB1,
        WIDX_TAB2,
        WIDX_TAB3,
        WIDX_TAB4,

        WIDX_HEADER_PLAYER = 8,
        WIDX_HEADER_GROUP,
        WIDX_HEADER_LAST_ACTION,
        WIDX_HEADER_PING,
        WIDX_LIST,

        WIDX_DEFAULT_GROUP = 8,
        WIDX_DEFAULT_GROUP_DROPDOWN,
        WIDX_ADD_GROUP,
        WIDX_REMOVE_GROUP,
        WIDX_RENAME_GROUP,
        WIDX_SELECTED_GROUP,
        WIDX_SELECTED_GROUP_DROPDOWN,
        WIDX_PERMISSIONS_LIST,

        WIDX_LOG_CHAT_CHECKBOX = 8,
        WIDX_LOG_SERVER_ACTIONS_CHECKBOX,
        WIDX_KNOWN_KEYS_ONLY_CHECKBOX,
    };

    // clang-format off

    #define MAIN_MULTIPLAYER_WIDGETS \
        MakeWidget({  0,  0}, {340, 240}, WindowWidgetType::Frame,    WindowColour::Primary                                        ), /* panel / background */ \
        MakeWidget({  1,  1}, {338,  14}, WindowWidgetType::Caption,  WindowColour::Primary,  kStringIdNone,    STR_WINDOW_TITLE_TIP    ), /* title bar */ \
        MakeWidget({327,  2}, { 11,  12}, WindowWidgetType::CloseBox, WindowColour::Primary,  STR_CLOSE_X, STR_CLOSE_WINDOW_TIP    ), /* close x button */ \
        MakeWidget({  0, 43}, {340, 197}, WindowWidgetType::Resize,   WindowColour::Secondary                                      ), /* content panel */ \
        MakeTab   ({  3, 17},                                                                STR_SHOW_SERVER_INFO_TIP), /* tab */ \
        MakeTab   ({ 34, 17},                                                                STR_PLAYERS_TIP         ), /* tab */ \
        MakeTab   ({ 65, 17},                                                                STR_GROUPS_TIP          ), /* tab */ \
        MakeTab   ({ 96, 17},                                                                STR_OPTIONS_TIP         )  /* tab */

    static constexpr Widget window_multiplayer_information_widgets[] = {
        MAIN_MULTIPLAYER_WIDGETS,
    };

    static constexpr Widget window_multiplayer_players_widgets[] = {
        MAIN_MULTIPLAYER_WIDGETS,
        MakeWidget({  3, 46}, {173,  15}, WindowWidgetType::TableHeader, WindowColour::Primary  , STR_PLAYER     ), // Player name
        MakeWidget({176, 46}, { 83,  15}, WindowWidgetType::TableHeader, WindowColour::Primary  , STR_GROUP      ), // Player name
        MakeWidget({259, 46}, {100,  15}, WindowWidgetType::TableHeader, WindowColour::Primary  , STR_LAST_ACTION), // Player name
        MakeWidget({359, 46}, { 42,  15}, WindowWidgetType::TableHeader, WindowColour::Primary  , STR_PING       ), // Player name
        MakeWidget({  3, 60}, {334, 177}, WindowWidgetType::Scroll,       WindowColour::Secondary, SCROLL_VERTICAL), // list
    };

    static constexpr Widget window_multiplayer_groups_widgets[] = {
        MAIN_MULTIPLAYER_WIDGETS,
        MakeWidget({141, 46}, {175,  12}, WindowWidgetType::DropdownMenu, WindowColour::Secondary                    ), // default group
        MakeWidget({305, 47}, { 11,  10}, WindowWidgetType::Button,   WindowColour::Secondary, STR_DROPDOWN_GLYPH),
        MakeWidget({ 11, 65}, { 92,  12}, WindowWidgetType::Button,   WindowColour::Secondary, STR_ADD_GROUP     ), // add group button
        MakeWidget({113, 65}, { 92,  12}, WindowWidgetType::Button,   WindowColour::Secondary, STR_REMOVE_GROUP  ), // remove group button
        MakeWidget({215, 65}, { 92,  12}, WindowWidgetType::Button,   WindowColour::Secondary, STR_RENAME_GROUP  ), // rename group button
        MakeWidget({ 72, 80}, {175,  12}, WindowWidgetType::DropdownMenu, WindowColour::Secondary                    ), // selected group
        MakeWidget({236, 81}, { 11,  10}, WindowWidgetType::Button,   WindowColour::Secondary, STR_DROPDOWN_GLYPH),
        MakeWidget({  3, 94}, {314, 207}, WindowWidgetType::Scroll,   WindowColour::Secondary, SCROLL_VERTICAL   ), // permissions list
    };

    static constexpr Widget window_multiplayer_options_widgets[] = {
        MAIN_MULTIPLAYER_WIDGETS,
        MakeWidget({3, 50}, {295, 12}, WindowWidgetType::Checkbox, WindowColour::Secondary, STR_LOG_CHAT,              STR_LOG_CHAT_TIP             ),
        MakeWidget({3, 64}, {295, 12}, WindowWidgetType::Checkbox, WindowColour::Secondary, STR_LOG_SERVER_ACTIONS,    STR_LOG_SERVER_ACTIONS_TIP   ),
        MakeWidget({3, 78}, {295, 12}, WindowWidgetType::Checkbox, WindowColour::Secondary, STR_ALLOW_KNOWN_KEYS_ONLY, STR_ALLOW_KNOWN_KEYS_ONLY_TIP),
    };

    static std::span<const Widget> window_multiplayer_page_widgets[] = {
        window_multiplayer_information_widgets,
        window_multiplayer_players_widgets,
        window_multiplayer_groups_widgets,
        window_multiplayer_options_widgets,
    };

    static constexpr StringId WindowMultiplayerPageTitles[] = {
        STR_MULTIPLAYER_INFORMATION_TITLE,
        STR_MULTIPLAYER_PLAYERS_TITLE,
        STR_MULTIPLAYER_GROUPS_TITLE,
        STR_MULTIPLAYER_OPTIONS_TITLE,
    };

    // clang-format on

    static constexpr int32_t window_multiplayer_animation_divisor[] = {
        4,
        4,
        2,
        2,
    };
    static constexpr int32_t window_multiplayer_animation_frames[] = {
        8,
        8,
        7,
        4,
    };

    static bool IsServerPlayerInvisible()
    {
        return NetworkIsServerPlayerInvisible() && !Config::Get().general.DebuggingTools;
    }

    class MultiplayerWindow final : public Window
    {
    private:
        std::optional<ScreenCoordsXY> _windowInformationSize;
        uint8_t _selectedGroup{ 0 };

    private:
        void ResetPressedWidgets();

        void InformationPaint(DrawPixelInfo& dpi);
        void PlayersPaint(DrawPixelInfo& dpi);
        void GroupsPaint(DrawPixelInfo& dpi);

        void DrawTabImage(DrawPixelInfo& dpi, int32_t page_number, int32_t spriteIndex);
        void DrawTabImages(DrawPixelInfo& dpi);

        void PlayersScrollPaint(int32_t scrollIndex, DrawPixelInfo& dpi) const;
        void GroupsScrollPaint(int32_t scrollIndex, DrawPixelInfo& dpi) const;

        void ShowGroupDropdown(WidgetIndex widgetIndex);
        ScreenCoordsXY InformationGetSize();

    public:
        void OnOpen() override;

        void SetPage(int32_t page_number);

        void OnMouseUp(WidgetIndex widgetIndex) override;
        void OnResize() override;
        void OnUpdate() override;
        void OnPrepareDraw() override;
        void OnDraw(DrawPixelInfo& dpi) override;

        void OnDropdown(WidgetIndex widgetIndex, int32_t selectedIndex) override;
        void OnTextInput(WidgetIndex widgetIndex, std::string_view text) override;
        void OnMouseDown(WidgetIndex widgetIndex) override;

        ScreenSize OnScrollGetSize(int32_t scrollIndex) override;
        void OnScrollMouseDown(int32_t scrollIndex, const ScreenCoordsXY& screenCoords) override;
        void OnScrollMouseOver(int32_t scrollIndex, const ScreenCoordsXY& screenCoords) override;
        void OnScrollDraw(int32_t scrollIndex, DrawPixelInfo& dpi) override;
    };

    WindowBase* MultiplayerOpen()
    {
        // Check if window is already open
        auto* windowMgr = GetWindowManager();
        auto* window = windowMgr->BringToFrontByClass(WindowClass::Multiplayer);
        if (window == nullptr)
        {
            window = windowMgr->Create<MultiplayerWindow>(
                WindowClass::Multiplayer, 320, 144, WF_10 | WF_RESIZABLE | WF_AUTO_POSITION);
        }

        return window;
    }

    void MultiplayerWindow::OnOpen()
    {
        SetPage(WINDOW_MULTIPLAYER_PAGE_INFORMATION);
    }

    void MultiplayerWindow::SetPage(int32_t page_number)
    {
        _windowInformationSize.reset();

        page = page_number;
        frame_no = 0;
        no_list_items = 0;
        selected_list_item = -1;

        hold_down_widgets = 0;
        pressed_widgets = 0;
        SetWidgets(window_multiplayer_page_widgets[page]);
        widgets[WIDX_TITLE].text = WindowMultiplayerPageTitles[page];

        OnResize();
        OnPrepareDraw();
        InitScrollWidgets();
        Invalidate();
    }

    void MultiplayerWindow::OnMouseUp(WidgetIndex widgetIndex)
    {
        switch (widgetIndex)
        {
            case WIDX_CLOSE:
                Close();
                break;
            case WIDX_TAB1:
            case WIDX_TAB2:
            case WIDX_TAB3:
            case WIDX_TAB4:
                if (page != widgetIndex - WIDX_TAB1)
                {
                    SetPage(widgetIndex - WIDX_TAB1);
                }
                break;
        }
        switch (page)
        {
            case WINDOW_MULTIPLAYER_PAGE_GROUPS:
            {
                switch (widgetIndex)
                {
                    case WIDX_ADD_GROUP:
                    {
                        auto networkModifyGroup = NetworkModifyGroupAction(ModifyGroupType::AddGroup);
                        GameActions::Execute(&networkModifyGroup);
                        break;
                    }
                    case WIDX_REMOVE_GROUP:
                    {
                        auto networkModifyGroup = NetworkModifyGroupAction(ModifyGroupType::RemoveGroup, _selectedGroup);
                        GameActions::Execute(&networkModifyGroup);
                        break;
                    }
                    case WIDX_RENAME_GROUP:
                    {
                        int32_t groupIndex = NetworkGetGroupIndex(_selectedGroup);
                        const utf8* groupName = NetworkGetGroupName(groupIndex);
                        WindowTextInputRawOpen(
                            this, widgetIndex, STR_GROUP_NAME, STR_ENTER_NEW_NAME_FOR_THIS_GROUP, {}, groupName, 32);
                        break;
                    }
                }
                break;
            }
            case WINDOW_MULTIPLAYER_PAGE_OPTIONS:
            {
                switch (widgetIndex)
                {
                    case WIDX_LOG_CHAT_CHECKBOX:
                        Config::Get().network.LogChat = !Config::Get().network.LogChat;
                        Config::Save();
                        break;
                    case WIDX_LOG_SERVER_ACTIONS_CHECKBOX:
                        Config::Get().network.LogServerActions = !Config::Get().network.LogServerActions;
                        Config::Save();
                        break;
                    case WIDX_KNOWN_KEYS_ONLY_CHECKBOX:
                        Config::Get().network.KnownKeysOnly = !Config::Get().network.KnownKeysOnly;
                        Config::Save();
                        break;
                }
                break;
            }
        }
    }

    ScreenCoordsXY MultiplayerWindow::InformationGetSize()
    {
        assert(!_windowInformationSize.has_value());

        int32_t lineHeight = FontGetLineHeight(FontStyle::Medium);

        // Base dimensions.
        const int32_t baseWidth = 450;
        int32_t baseHeight = 55;

        // Server name is displayed word-wrapped, so figure out how high it will be.
        {
            int32_t numLines;
            GfxWrapString(NetworkGetServerName(), baseWidth, FontStyle::Medium, nullptr, &numLines);
            baseHeight += (numLines + 1) * lineHeight + (kListRowHeight / 2);
        }

        // Likewise, for the optional server description -- which can be a little longer.
        const auto& descString = NetworkGetServerDescription();
        if (!descString.empty())
        {
            int32_t numLines;
            GfxWrapString(descString, baseWidth, FontStyle::Medium, nullptr, &numLines);
            baseHeight += (numLines + 1) * lineHeight + (kListRowHeight / 2);
        }

        // Finally, account for provider info, if present.
        {
            const auto& providerName = NetworkGetServerProviderName();
            if (!providerName.empty())
                baseHeight += kListRowHeight;

            const auto& providerEmail = NetworkGetServerProviderEmail();
            if (!providerEmail.empty())
                baseHeight += kListRowHeight;

            const auto& providerWebsite = NetworkGetServerProviderWebsite();
            if (!providerWebsite.empty())
                baseHeight += kListRowHeight;
        }

        // TODO: Are these casts still neccessary?
        _windowInformationSize = { static_cast<int16_t>(baseWidth), static_cast<int16_t>(baseHeight) };
        return _windowInformationSize.value();
    }

    void MultiplayerWindow::OnResize()
    {
        switch (page)
        {
            case WINDOW_MULTIPLAYER_PAGE_INFORMATION:
            {
                auto size = _windowInformationSize ? _windowInformationSize.value() : InformationGetSize();
                WindowSetResize(*this, size.x, size.y, size.x, size.y);
                break;
            }
            case WINDOW_MULTIPLAYER_PAGE_PLAYERS:
            {
                WindowSetResize(*this, 420, 124, 500, 450);

                no_list_items = (IsServerPlayerInvisible() ? NetworkGetNumVisiblePlayers() : NetworkGetNumPlayers());

                widgets[WIDX_HEADER_PING].right = width - 5;

                selected_list_item = -1;
                Invalidate();
                break;
            }
            case WINDOW_MULTIPLAYER_PAGE_GROUPS:
            {
                WindowSetResize(*this, 320, 200, 320, 500);

                no_list_items = NetworkGetNumActions();

                selected_list_item = -1;
                Invalidate();
                break;
            }
            case WINDOW_MULTIPLAYER_PAGE_OPTIONS:
            {
                WindowSetResize(*this, 300, 100, 300, 100);
                break;
            }
        }
    }

    void MultiplayerWindow::OnUpdate()
    {
        frame_no++;
        InvalidateWidget(WIDX_TAB1 + page);
    }

    void MultiplayerWindow::ResetPressedWidgets()
    {
        for (int32_t i = WIDX_TAB1; i <= WIDX_TAB4; i++)
        {
            SetWidgetPressed(i, false);
        }
    }

    void MultiplayerWindow::OnPrepareDraw()
    {
        ResetPressedWidgets();
        SetWidgetPressed(WIDX_TAB1 + page, true);
        ResizeFrameWithPage();
        switch (page)
        {
            case WINDOW_MULTIPLAYER_PAGE_INFORMATION:
            {
                WindowAlignTabs(this, WIDX_TAB1, WIDX_TAB4);
                break;
            }
            case WINDOW_MULTIPLAYER_PAGE_PLAYERS:
            {
                widgets[WIDX_LIST].right = width - 4;
                widgets[WIDX_LIST].bottom = height - 0x0F;
                WindowAlignTabs(this, WIDX_TAB1, WIDX_TAB4);
                break;
            }
            case WINDOW_MULTIPLAYER_PAGE_GROUPS:
            {
                widgets[WIDX_PERMISSIONS_LIST].right = width - 4;
                widgets[WIDX_PERMISSIONS_LIST].bottom = height - 0x0F;
                WindowAlignTabs(this, WIDX_TAB1, WIDX_TAB4);

                // select other group if one is removed
                while (NetworkGetGroupIndex(_selectedGroup) == -1 && _selectedGroup > 0)
                {
                    _selectedGroup--;
                }
                break;
            }
            case WINDOW_MULTIPLAYER_PAGE_OPTIONS:
            {
                WindowAlignTabs(this, WIDX_TAB1, WIDX_TAB4);

                if (NetworkGetMode() == NETWORK_MODE_CLIENT)
                {
                    widgets[WIDX_KNOWN_KEYS_ONLY_CHECKBOX].type = WindowWidgetType::Empty;
                }

                SetCheckboxValue(WIDX_LOG_CHAT_CHECKBOX, Config::Get().network.LogChat);
                SetCheckboxValue(WIDX_LOG_SERVER_ACTIONS_CHECKBOX, Config::Get().network.LogServerActions);
                SetCheckboxValue(WIDX_KNOWN_KEYS_ONLY_CHECKBOX, Config::Get().network.KnownKeysOnly);
                break;
            }
        }
    }

    void MultiplayerWindow::OnDraw(DrawPixelInfo& dpi)
    {
        DrawWidgets(dpi);
        DrawTabImages(dpi);
        switch (page)
        {
            case WINDOW_MULTIPLAYER_PAGE_INFORMATION:
            {
                InformationPaint(dpi);
                break;
            }
            case WINDOW_MULTIPLAYER_PAGE_PLAYERS:
            {
                PlayersPaint(dpi);
                break;
            }
            case WINDOW_MULTIPLAYER_PAGE_GROUPS:
            {
                GroupsPaint(dpi);
                break;
            }
        }
    }

    void MultiplayerWindow::OnDropdown(WidgetIndex widgetIndex, int32_t selectedIndex)
    {
        switch (page)
        {
            case WINDOW_MULTIPLAYER_PAGE_GROUPS:
            {
                if (selectedIndex == -1)
                {
                    return;
                }

                switch (widgetIndex)
                {
                    case WIDX_DEFAULT_GROUP_DROPDOWN:
                    {
                        auto networkModifyGroup = NetworkModifyGroupAction(
                            ModifyGroupType::SetDefault, NetworkGetGroupID(selectedIndex));
                        GameActions::Execute(&networkModifyGroup);
                        break;
                    }
                    case WIDX_SELECTED_GROUP_DROPDOWN:
                    {
                        _selectedGroup = NetworkGetGroupID(selectedIndex);
                        break;
                    }
                }
                Invalidate();
                break;
            }
        }
    }

    void MultiplayerWindow::OnTextInput(WidgetIndex widgetIndex, std::string_view text)
    {
        switch (page)
        {
            case WINDOW_MULTIPLAYER_PAGE_GROUPS:
            {
                if (widgetIndex != WIDX_RENAME_GROUP)
                    return;

                if (text.empty())
                    return;

                auto networkModifyGroup = NetworkModifyGroupAction(ModifyGroupType::SetName, _selectedGroup, std::string(text));
                GameActions::Execute(&networkModifyGroup);
                break;
            }
        }
    }

    void MultiplayerWindow::ShowGroupDropdown(WidgetIndex widgetIndex)
    {
        auto widget = &widgets[widgetIndex];
        Widget* dropdownWidget = widget - 1;
        auto numItems = NetworkGetNumGroups();

        WindowDropdownShowTextCustomWidth(
            windowPos + ScreenCoordsXY{ dropdownWidget->left, dropdownWidget->top }, dropdownWidget->height() + 1, colours[1],
            0, 0, numItems, widget->right - dropdownWidget->left);

        for (auto i = 0; i < NetworkGetNumGroups(); i++)
        {
            gDropdownItems[i].Format = STR_OPTIONS_DROPDOWN_ITEM;
            gDropdownItems[i].Args = reinterpret_cast<uintptr_t>(NetworkGetGroupName(i));
        }
        if (widget == &widgets[WIDX_DEFAULT_GROUP_DROPDOWN])
        {
            Dropdown::SetChecked(NetworkGetGroupIndex(NetworkGetDefaultGroup()), true);
        }
        else if (widget == &widgets[WIDX_SELECTED_GROUP_DROPDOWN])
        {
            Dropdown::SetChecked(NetworkGetGroupIndex(_selectedGroup), true);
        }
    }

    void MultiplayerWindow::OnMouseDown(WidgetIndex widgetIndex)
    {
        switch (page)
        {
            case WINDOW_MULTIPLAYER_PAGE_GROUPS:
            {
                switch (widgetIndex)
                {
                    case WIDX_DEFAULT_GROUP_DROPDOWN:
                    case WIDX_SELECTED_GROUP_DROPDOWN:
                        ShowGroupDropdown(widgetIndex);
                        break;
                }
                break;
            }
        }
    }

    ScreenSize MultiplayerWindow::OnScrollGetSize(int32_t scrollIndex)
    {
        ScreenSize screenSize{};
        switch (page)
        {
            case WINDOW_MULTIPLAYER_PAGE_PLAYERS:
            {
                if (selected_list_item != -1)
                {
                    selected_list_item = -1;
                    Invalidate();
                }

                screenSize = { 0, NetworkGetNumPlayers() * kScrollableRowHeight };
                int32_t i = screenSize.height - widgets[WIDX_LIST].bottom + widgets[WIDX_LIST].top + 21;
                if (i < 0)
                    i = 0;
                if (i < scrolls[0].contentOffsetY)
                {
                    scrolls[0].contentOffsetY = i;
                    Invalidate();
                }
                break;
            }

            case WINDOW_MULTIPLAYER_PAGE_GROUPS:
            {
                if (selected_list_item != -1)
                {
                    selected_list_item = -1;
                    Invalidate();
                }

                screenSize = { 0, NetworkGetNumActions() * kScrollableRowHeight };
                int32_t i = screenSize.height - widgets[WIDX_LIST].bottom + widgets[WIDX_LIST].top + 21;
                if (i < 0)
                    i = 0;
                if (i < scrolls[0].contentOffsetY)
                {
                    scrolls[0].contentOffsetY = i;
                    Invalidate();
                }
                break;
            }
        }
        return screenSize;
    }

    void MultiplayerWindow::OnScrollMouseDown(int32_t scrollIndex, const ScreenCoordsXY& screenCoords)
    {
        switch (page)
        {
            case WINDOW_MULTIPLAYER_PAGE_PLAYERS:
            {
                int32_t index = screenCoords.y / kScrollableRowHeight;
                if (index >= no_list_items)
                    return;

                selected_list_item = index;
                Invalidate();

                int32_t player = (IsServerPlayerInvisible() ? index + 1 : index);
                PlayerOpen(NetworkGetPlayerID(player));
                break;
            }

            case WINDOW_MULTIPLAYER_PAGE_GROUPS:
            {
                int32_t index = screenCoords.y / kScrollableRowHeight;
                if (index >= no_list_items)
                    return;

                selected_list_item = index;
                Invalidate();

                auto networkModifyGroup = NetworkModifyGroupAction(
                    ModifyGroupType::SetPermissions, _selectedGroup, "", index, PermissionState::Toggle);
                GameActions::Execute(&networkModifyGroup);
                break;
            }
        }
    }

    void MultiplayerWindow::OnScrollMouseOver(int32_t scrollIndex, const ScreenCoordsXY& screenCoords)
    {
        switch (page)
        {
            case WINDOW_MULTIPLAYER_PAGE_PLAYERS:
            case WINDOW_MULTIPLAYER_PAGE_GROUPS:
            {
                int32_t index = screenCoords.y / kScrollableRowHeight;
                if (index >= no_list_items)
                    return;

                selected_list_item = index;
                Invalidate();
                break;
            }
        }
    }

    void MultiplayerWindow::OnScrollDraw(int32_t scrollIndex, DrawPixelInfo& dpi)
    {
        switch (page)
        {
            case WINDOW_MULTIPLAYER_PAGE_PLAYERS:
                PlayersScrollPaint(scrollIndex, dpi);
                break;

            case WINDOW_MULTIPLAYER_PAGE_GROUPS:
                GroupsScrollPaint(scrollIndex, dpi);
                break;
        }
    }

    void MultiplayerWindow::InformationPaint(DrawPixelInfo& dpi)
    {
        DrawPixelInfo clippedDPI;
        if (ClipDrawPixelInfo(clippedDPI, dpi, windowPos, width, height))
        {
            auto screenCoords = ScreenCoordsXY{ 3, 50 };
            int32_t newWidth = width - 6;

            const auto& name = NetworkGetServerName();
            {
                auto ft = Formatter();
                ft.Add<const char*>(name.c_str());
                screenCoords.y += DrawTextWrapped(clippedDPI, screenCoords, newWidth, STR_STRING, ft, { colours[1] });
                screenCoords.y += kListRowHeight / 2;
            }

            const auto& description = NetworkGetServerDescription();
            if (!description.empty())
            {
                auto ft = Formatter();
                ft.Add<const char*>(description.c_str());
                screenCoords.y += DrawTextWrapped(clippedDPI, screenCoords, newWidth, STR_STRING, ft, { colours[1] });
                screenCoords.y += kListRowHeight / 2;
            }

            const auto& providerName = NetworkGetServerProviderName();
            if (!providerName.empty())
            {
                auto ft = Formatter();
                ft.Add<const char*>(providerName.c_str());
                DrawTextBasic(clippedDPI, screenCoords, STR_PROVIDER_NAME, ft);
                screenCoords.y += kListRowHeight;
            }

            const auto& providerEmail = NetworkGetServerProviderEmail();
            if (!providerEmail.empty())
            {
                auto ft = Formatter();
                ft.Add<const char*>(providerEmail.c_str());
                DrawTextBasic(clippedDPI, screenCoords, STR_PROVIDER_EMAIL, ft);
                screenCoords.y += kListRowHeight;
            }

            const auto& providerWebsite = NetworkGetServerProviderWebsite();
            if (!providerWebsite.empty())
            {
                auto ft = Formatter();
                ft.Add<const char*>(providerWebsite.c_str());
                DrawTextBasic(clippedDPI, screenCoords, STR_PROVIDER_WEBSITE, ft);
            }
        }
    }

    void MultiplayerWindow::PlayersPaint(DrawPixelInfo& dpi)
    {
        // Number of players
        StringId stringId = no_list_items == 1 ? STR_MULTIPLAYER_PLAYER_COUNT : STR_MULTIPLAYER_PLAYER_COUNT_PLURAL;
        auto screenCoords = windowPos + ScreenCoordsXY{ 4, widgets[WIDX_LIST].bottom + 2 };
        auto ft = Formatter();
        ft.Add<uint16_t>(no_list_items);
        DrawTextBasic(dpi, screenCoords, stringId, ft, { colours[2] });
    }

    void MultiplayerWindow::PlayersScrollPaint(int32_t scrollIndex, DrawPixelInfo& dpi) const
    {
        ScreenCoordsXY screenCoords;
        screenCoords.y = 0;

        const int32_t firstPlayerInList = (IsServerPlayerInvisible() ? 1 : 0);
        int32_t listPosition = 0;

        for (int32_t player = firstPlayerInList; player < NetworkGetNumPlayers(); player++)
        {
            if (screenCoords.y > dpi.y + dpi.height)
            {
                break;
            }

            if (screenCoords.y + kScrollableRowHeight + 1 >= dpi.y)
            {
                thread_local std::string _buffer;
                _buffer.reserve(512);
                _buffer.clear();

                // Draw player name
                auto colour = ColourWithFlags{ COLOUR_BLACK };
                if (listPosition == selected_list_item)
                {
                    GfxFilterRect(
                        dpi, { 0, screenCoords.y, 800, screenCoords.y + kScrollableRowHeight - 1 },
                        FilterPaletteID::PaletteDarken1);
                    _buffer += NetworkGetPlayerName(player);
                    colour = colours[2];
                }
                else
                {
                    if (NetworkGetPlayerFlags(player) & NETWORK_PLAYER_FLAG_ISSERVER)
                    {
                        _buffer += "{BABYBLUE}";
                    }
                    else
                    {
                        _buffer += "{BLACK}";
                    }
                    _buffer += NetworkGetPlayerName(player);
                }
                screenCoords.x = 0;
                GfxClipString(_buffer.data(), 230, FontStyle::Medium);
                DrawText(dpi, screenCoords, { colour }, _buffer.c_str());

                // Draw group name
                _buffer.resize(0);
                int32_t group = NetworkGetGroupIndex(NetworkGetPlayerGroup(player));
                if (group != -1)
                {
                    _buffer += "{BLACK}";
                    screenCoords.x = 173;
                    _buffer += NetworkGetGroupName(group);
                    GfxClipString(_buffer.data(), 80, FontStyle::Medium);
                    DrawText(dpi, screenCoords, { colour }, _buffer.c_str());
                }

                // Draw last action
                int32_t action = NetworkGetPlayerLastAction(player, 2000);
                auto ft = Formatter();
                if (action != -999)
                {
                    ft.Add<StringId>(NetworkGetActionNameStringID(action));
                }
                else
                {
                    ft.Add<StringId>(STR_ACTION_NA);
                }
                DrawTextEllipsised(dpi, { 256, screenCoords.y }, 100, STR_BLACK_STRING, ft);

                // Draw ping
                _buffer.resize(0);
                int32_t ping = NetworkGetPlayerPing(player);
                if (ping <= 100)
                {
                    _buffer += "{GREEN}";
                }
                else if (ping <= 250)
                {
                    _buffer += "{YELLOW}";
                }
                else
                {
                    _buffer += "{RED}";
                }

                char pingBuffer[64]{};
                snprintf(pingBuffer, sizeof(pingBuffer), "%d ms", ping);
                _buffer += pingBuffer;

                screenCoords.x = 356;
                DrawText(dpi, screenCoords, { colour }, _buffer.c_str());
            }
            screenCoords.y += kScrollableRowHeight;
            listPosition++;
        }
    }

    void MultiplayerWindow::GroupsPaint(DrawPixelInfo& dpi)
    {
        thread_local std::string _buffer;

        Widget* widget = &widgets[WIDX_DEFAULT_GROUP];
        int32_t group = NetworkGetGroupIndex(NetworkGetDefaultGroup());
        if (group != -1)
        {
            _buffer.assign("{WINDOW_COLOUR_2}");
            _buffer += NetworkGetGroupName(group);

            auto ft = Formatter();
            ft.Add<const char*>(_buffer.c_str());
            DrawTextEllipsised(
                dpi, windowPos + ScreenCoordsXY{ widget->midX() - 5, widget->top }, widget->width() - 8, STR_STRING, ft,
                { TextAlignment::CENTRE });
        }

        auto screenPos = windowPos
            + ScreenCoordsXY{ widgets[WIDX_CONTENT_PANEL].left + 4, widgets[WIDX_CONTENT_PANEL].top + 4 };

        DrawTextBasic(dpi, screenPos, STR_DEFAULT_GROUP, {}, { colours[2] });

        screenPos.y += 20;

        GfxFillRectInset(
            dpi, { screenPos - ScreenCoordsXY{ 0, 6 }, screenPos + ScreenCoordsXY{ 310, -5 } }, colours[1],
            INSET_RECT_FLAG_BORDER_INSET);

        widget = &widgets[WIDX_SELECTED_GROUP];
        group = NetworkGetGroupIndex(_selectedGroup);
        if (group != -1)
        {
            _buffer.assign("{WINDOW_COLOUR_2}");
            _buffer += NetworkGetGroupName(group);
            auto ft = Formatter();
            ft.Add<const char*>(_buffer.c_str());
            DrawTextEllipsised(
                dpi, windowPos + ScreenCoordsXY{ widget->midX() - 5, widget->top }, widget->width() - 8, STR_STRING, ft,
                { TextAlignment::CENTRE });
        }
    }

    void MultiplayerWindow::GroupsScrollPaint(int32_t scrollIndex, DrawPixelInfo& dpi) const
    {
        auto screenCoords = ScreenCoordsXY{ 0, 0 };

        auto dpiCoords = ScreenCoordsXY{ dpi.x, dpi.y };
        GfxFillRect(
            dpi, { dpiCoords, dpiCoords + ScreenCoordsXY{ dpi.width - 1, dpi.height - 1 } },
            ColourMapA[colours[1].colour].mid_light);

        for (int32_t i = 0; i < NetworkGetNumActions(); i++)
        {
            if (i == selected_list_item)
            {
                GfxFilterRect(
                    dpi, { 0, screenCoords.y, 800, screenCoords.y + kScrollableRowHeight - 1 },
                    FilterPaletteID::PaletteDarken1);
            }
            if (screenCoords.y > dpi.y + dpi.height)
            {
                break;
            }

            if (screenCoords.y + kScrollableRowHeight + 1 >= dpi.y)
            {
                int32_t groupindex = NetworkGetGroupIndex(_selectedGroup);
                if (groupindex != -1)
                {
                    if (NetworkCanPerformAction(groupindex, static_cast<NetworkPermission>(i)))
                    {
                        screenCoords.x = 0;
                        DrawText(dpi, screenCoords, {}, u8"{WINDOW_COLOUR_2}✓");
                    }
                }

                // Draw action name
                auto ft = Formatter();
                ft.Add<uint16_t>(NetworkGetActionNameStringID(i));
                DrawTextBasic(dpi, { 10, screenCoords.y }, STR_WINDOW_COLOUR_2_STRINGID, ft);
            }
            screenCoords.y += kScrollableRowHeight;
        }
    }

    void MultiplayerWindow::DrawTabImage(DrawPixelInfo& dpi, int32_t page_number, int32_t spriteIndex)
    {
        WidgetIndex widgetIndex = WIDX_TAB1 + page_number;

        if (!IsWidgetDisabled(widgetIndex))
        {
            if (page == page_number)
            {
                int32_t numFrames = window_multiplayer_animation_frames[page];
                if (numFrames > 1)
                {
                    int32_t frame = frame_no / window_multiplayer_animation_divisor[page];
                    spriteIndex += (frame % numFrames);
                }
            }

            GfxDrawSprite(
                dpi, ImageId(spriteIndex), windowPos + ScreenCoordsXY{ widgets[widgetIndex].left, widgets[widgetIndex].top });
        }
    }

    void MultiplayerWindow::DrawTabImages(DrawPixelInfo& dpi)
    {
        DrawTabImage(dpi, WINDOW_MULTIPLAYER_PAGE_INFORMATION, SPR_TAB_KIOSKS_AND_FACILITIES_0);
        DrawTabImage(dpi, WINDOW_MULTIPLAYER_PAGE_PLAYERS, SPR_TAB_GUESTS_0);
        DrawTabImage(dpi, WINDOW_MULTIPLAYER_PAGE_GROUPS, SPR_TAB_STAFF_OPTIONS_0);
        DrawTabImage(dpi, WINDOW_MULTIPLAYER_PAGE_OPTIONS, SPR_TAB_GEARS_0);
    }
} // namespace OpenRCT2::Ui::Windows
