local _, addon = ...
local API = addon.API;

local LandingPageUtil = {};
addon.LandingPageUtil = LandingPageUtil;


local TEXTURE_FILE = "Interface/AddOns/Plumber/Art/Frame/ExpansionBorder_TWW";

local CreateFrame = CreateFrame;
local ipairs = ipairs;
local tinsert = table.insert;
local tremove = table.remove;



local CreateObjectPool;
do  --Object Pool
    local ObjectPoolMixin = {};

    function ObjectPoolMixin:ReleaseAll()
        for _, obj in ipairs(self.activeObjects) do
            obj:Hide();
            obj:ClearAllPoints();
            if self.onRemoved then
                self.onRemoved(obj);
            end
        end

        local tbl = {};
        for k, object in ipairs(self.objects) do
            tbl[k] = object;
        end
        self.unusedObjects = tbl;
        self.activeObjects = {};
    end

    function ObjectPoolMixin:ReleaseObject(object)
        object:Hide();
        object:ClearAllPoints();

        if self.onRemoved then
            self.onRemoved(object);
        end

        local found;
        for k, obj in ipairs(self.activeObjects) do
            if obj == object then
                found = true;
                tremove(self.activeObjects, k);
                break
            end
        end

        if found then
            tinsert(self.unusedObjects, object);
        end
    end

    function ObjectPoolMixin:Acquire()
        local object = tremove(self.unusedObjects);
        if not object then
            object = self.create();
            object.Release = self.Object_Release;
            tinsert(self.objects, object);
        end
        tinsert(self.activeObjects, object);
        if self.onAcquired then
            self.onAcquired(object);
        end
        object:Show();
        return object
    end

    function ObjectPoolMixin:CallMethod(method, ...)
        for _, object in ipairs(self.activeObjects) do
            object[method](object, ...);
        end
    end

    function ObjectPoolMixin:CallMethodByPredicate(predicate, method, ...)
        for _, object in ipairs(self.activeObjects) do
            if predicate(object) then
                object[method](object, ...);
            end
        end
    end

    function ObjectPoolMixin:ProcessActiveObjects(processFunc)
        for _, object in ipairs(self.activeObjects) do
            if processFunc(object) then
                return
            end
        end
    end

    function CreateObjectPool(create, onAcquired, onRemoved)
        local pool = {};
        API.Mixin(pool, ObjectPoolMixin);

        pool.objects = {};
        pool.activeObjects = {};
        pool.unusedObjects = {};

        pool.create = create;
        pool.onAcquired = onAcquired;
        pool.onRemoved = onRemoved;

        function pool.Object_Release(obj)
            pool:ReleaseObject(obj);
        end

        return pool
    end
    LandingPageUtil.CreateObjectPool = CreateObjectPool;
end


local function CreateThreeSliceTextures(frame, layer, leftKey, centerKey, rightKey, textureFile, leftOffset, rightOffset)
    local Left = frame[leftKey];
    if not Left then
        Left = frame:CreateTexture(nil, layer);
        frame[leftKey] = Left;
    end
    Left:SetPoint("LEFT", frame, "LEFT", leftOffset or 0, 0);
    Left:SetTexture(textureFile);

    local Right = frame[rightKey];
    if not Right then
        Right = frame:CreateTexture(nil, layer);
        frame[rightKey] = Right;
    end
    Right:SetPoint("RIGHT", frame, "RIGHT", rightOffset or 0, 0);
    Right:SetTexture(textureFile);

    local Center = frame[centerKey];
    if not Center then
        Center = frame:CreateTexture(nil, layer);
        frame[centerKey] = Center;
        Center:SetPoint("TOPLEFT", Left, "TOPRIGHT", 0, 0);
        Center:SetPoint("BOTTOMRIGHT", Right, "BOTTOMLEFT", 0, 0);
    end
    Center:SetTexture(textureFile);
end

local function SetupThreeSliceBackground(frame, textureFile, leftOffset, rightOffset)
    CreateThreeSliceTextures(frame, "BACKGROUND", "Left", "Center", "Right", textureFile, leftOffset, rightOffset);
end
API.SetupThreeSliceBackground = SetupThreeSliceBackground;

local function SetupThressSliceHighlight(frame, textureFile, leftOffset, rightOffset)
    CreateThreeSliceTextures(frame, "HIGHLIGHT", "HighlightLeft", "HighlightCenter", "HighlightRight", textureFile, leftOffset, rightOffset);
    local alpha = 0.25;
    frame.HighlightLeft:SetBlendMode("ADD");
    frame.HighlightLeft:SetAlpha(alpha);
    frame.HighlightCenter:SetBlendMode("ADD");
    frame.HighlightCenter:SetAlpha(alpha);
    frame.HighlightRight:SetBlendMode("ADD");
    frame.HighlightRight:SetAlpha(alpha);
end


local ExpansionThemeFrameMixin = {};
do
    function ExpansionThemeFrameMixin:ShowCloseButton(state)
        if state then
            self.pieces[3]:SetTexCoord(518/1024, 646/1024, 48/1024, 176/1024);
        else
            self.pieces[3]:SetTexCoord(384/1024, 512/1024, 0/1024, 128/1024);
        end
        self.CloseButton:SetShown(state);
    end

    function ExpansionThemeFrameMixin:SetCloseButtonOwner(frameToClose)
        self.CloseButton.frameToClose = frameToClose;
    end


    function LandingPageUtil.CreateExpansionThemeFrame(parent, expansionID)
        local tex = TEXTURE_FILE;

        local f = addon.CreateNineSliceFrame(parent or UIParent, "ExpansionBorder_TWW");
        f:SetUsingParentLevel(true);
        f:SetCornerSize(64, 64);
        f:SetDisableSharpening(false);
        f:CoverParent(-30);

        local Background = f:CreateTexture(nil, "BACKGROUND");
        f.Background = Background;
        Background:SetPoint("TOPLEFT", parent, "TOPLEFT", 4, -4);
        Background:SetPoint("BOTTOMRIGHT", parent, "BOTTOMRIGHT", -4, 4);

        f.pieces[1]:SetTexCoord(0/1024, 128/1024, 0/1024, 128/1024);
        f.pieces[2]:SetTexCoord(128/1024, 384/1024, 0/1024, 128/1024);
        f.pieces[3]:SetTexCoord(384/1024, 512/1024, 0/1024, 128/1024);
        f.pieces[4]:SetTexCoord(0/1024, 128/1024, 128/1024, 384/1024);
        f.pieces[5]:SetTexCoord(128/1024, 384/1024, 128/1024, 384/1024);
        f.pieces[6]:SetTexCoord(384/1024, 512/1024, 128/1024, 384/1024);
        f.pieces[7]:SetTexCoord(0/1024, 128/1024, 384/1024, 512/1024);
        f.pieces[8]:SetTexCoord(128/1024, 384/1024, 384/1024, 512/1024);
        f.pieces[9]:SetTexCoord(384/1024, 512/1024, 384/1024, 512/1024);

        local CloseButton = CreateFrame("Button", nil, f);
        f.CloseButton = CloseButton;
        CloseButton:Hide();
        CloseButton:SetSize(32, 32);
        CloseButton:SetPoint("CENTER", f.pieces[3], "TOPRIGHT", -20.5, -20.5);
        CloseButton.Texture = CloseButton:CreateTexture(nil, "OVERLAY");
        CloseButton.Texture:SetPoint("CENTER", CloseButton, "CENTER", 0, 0);
        CloseButton.Texture:SetSize(24, 24);
        CloseButton.Texture:SetTexture(tex)
        CloseButton.Texture:SetTexCoord(646/1024, 694/1024, 48/1024, 96/1024);
        CloseButton.Highlight = CloseButton:CreateTexture(nil, "HIGHLIGHT");
        CloseButton.Highlight:SetPoint("CENTER", CloseButton, "CENTER", 0, 0);
        CloseButton.Highlight:SetSize(24, 24);
        CloseButton.Highlight:SetTexture(tex)
        CloseButton.Highlight:SetTexCoord(646/1024, 694/1024, 48/1024, 96/1024);
        CloseButton.Highlight:SetBlendMode("ADD");
        CloseButton.Highlight:SetAlpha(0.5);

        CloseButton:SetScript("OnClick", function(self)
            if self.frameToClose then
                if self.frameToClose.Close then
                    self.frameToClose:Close();
                else
                    self.frameToClose:Hide();
                end
            end
        end);

        API.Mixin(f, ExpansionThemeFrameMixin);

        return f
    end
end


local ListCategoryButtonMixin = {};
do
    function ListCategoryButtonMixin:SetName(name)
        self.Name:SetText(name);
    end


    function LandingPageUtil.CreateListCategoryButton(parent, name)
        local f = CreateFrame("Button", nil, parent);
        API.Mixin(f, ListCategoryButtonMixin);
        f:SetSize(240, 32); --debug

        f.bg = f:CreateTexture(nil, "BACKGROUND");
        f.bg:SetAllPoints(true);
        --f.bg:SetColorTexture(1, 1, 1, 0.2);

        f.Name = f:CreateFontString(nil, "OVERLAY", "GameFontNormal");
        f.Name:SetPoint("CENTER", f, "CENTER", 0, 0);
        f.Name:SetJustifyH("CENTER");
        f.Name:SetTextColor(0.804, 0.667, 0.498);

        SetupThreeSliceBackground(f, TEXTURE_FILE, -3, 3);
        f.Left:SetSize(20, 32);
        f.Left:SetTexCoord(694/1024, 734/1024, 48/1024, 112/1024);
        f.Right:SetSize(20, 32);
        f.Right:SetTexCoord(910/1024, 950/1024, 48/1024, 112/1024);
        f.Center:SetTexCoord(734/1024, 910/1024, 48/1024, 112/1024);

        if name then
            f:SetName(name);
        end

        return f
    end
end


do  --TabUtil
    local Tabs = {};
    local SelectedTabKay;

    function LandingPageUtil.AddTab(tabInfo)
        table.insert(Tabs, tabInfo);
    end

    function LandingPageUtil.AcquireTabFrame(tabContainer, index)
        local tabInfo = Tabs[index];
        if not tabInfo.frame then
            local f = CreateFrame("Frame", nil, tabContainer);
            Tabs[index].frame = f;
            f:SetAllPoints(true);
            f.tabInfo = tabInfo;
            if tabInfo.initFunc then
                tabInfo.initFunc(f);
            end
        end
        return tabInfo.frame
    end

    function LandingPageUtil.EnumerateTabInfo()
        return ipairs(Tabs);
    end

    function LandingPageUtil.GetNumTabs()
        return #Tabs
    end

    function LandingPageUtil.SelectTab(tabKey)
        SelectedTabKay = tabKey;
        for _, tabInfo in ipairs(Tabs) do
            if tabInfo.frame then
                tabInfo.frame:SetShown(tabInfo.key == tabKey);
            end

            if tabInfo.key == tabKey then
                if not tabInfo.useCustomLeftFrame then
                    LandingPageUtil.ShowLeftFrame(true);
                end

                if tabInfo.onTabSelected then
                    tabInfo.onTabSelected();
                end
            end
        end
    end

    function LandingPageUtil.SelectTabByIndex(index)
        local tabKey = Tabs[index] and Tabs[index].key;
        if tabKey then
            LandingPageUtil.SelectTab(tabKey);
        end
    end

    function LandingPageUtil.GetSelectedTabKey()
        return SelectedTabKay
    end
end


local AtlasUtil = {};
addon.AtlasUtil = AtlasUtil;
do  --Atlas
    local FACTION_ICONS = "Interface/AddOns/Plumber/Art/Frame/MajorFactionIcons.png";
    local FACTION_ICONS_COORDS = {
        --[factionID] = {icon l, r, t, b, highlight l, r, t, b}
        [2590] = {0  , 128, 0, 128},      --Council of Dornogal
        [2594] = {128, 256, 0, 128},      --The Assembly of the Deeps
        [2570] = {256, 384, 0, 128},      --Hallowfall Arathi
        [2600] = {384, 512, 0, 128},      --Severed Threads
        [2653] = {512, 640, 0, 128},      --Cartels of Undermine
        [2685] = {640, 768, 0, 128},      --Gallagio Loyalty Rewards Club
        [2688] = {768, 896, 0, 128},      --Flame's Radiance

    };

    local function SetTextureDimension(textureObject, file, width, height, l, r, t, b, useTrilinearFilter)
        if useTrilinearFilter then
            textureObject:SetTexture(file, nil, nil, true);
        else
            textureObject:SetTexture(file);
        end
        textureObject:SetTexCoord(l/width, r/width, t/height, b/height);
    end

    function AtlasUtil.SetFactionIcon(textureObject, factionID)
        --SetAtlas(string.format("majorfactions_icons_%s512", factionData.textureKit))
        local v = FACTION_ICONS_COORDS[factionID];
        if v then
            SetTextureDimension(textureObject, FACTION_ICONS, 1024, 1024, v[1], v[2], v[3], v[4]);
            return true
        end
        return false
    end

    function AtlasUtil.SetFactionIconHighlight(textureObject, factionID)
        local v = FACTION_ICONS_COORDS[factionID];
        if v then
            SetTextureDimension(textureObject, FACTION_ICONS, 1024, 1024, v[1], v[2], v[3] + 128, v[4] + 128, true);
            return true
        end
        return false
    end
end


do  --ScrollViewListButton
    local TEXTURE = "Interface/AddOns/Plumber/Art/Frame/ChecklistButton.tga";

    local ListButtonMixin = {};

    function ListButtonMixin:SetBackgroundColor(r, g, b)
        self.Left:SetVertexColor(r, g, b);
        self.Right:SetVertexColor(r, g, b);
        self.Center:SetVertexColor(r, g, b);
    end

    function ListButtonMixin:UpdateVisual()
        if self:IsMouseMotionFocus() then
            self.Left:SetTexCoord(0/512, 64/512, 128/512, 192/512);
            self.Right:SetTexCoord(448/512, 512/512, 128/512, 192/512);
            self.Center:SetTexCoord(64/512, 448/512, 128/512, 192/512);
            self.Name:SetTextColor(1, 1, 1);
        else
            if self.isOdd then
                self.Left:SetTexCoord(0/512, 64/512, 64/512, 128/512);
                self.Right:SetTexCoord(448/512, 512/512, 64/512, 128/512);
                self.Center:SetTexCoord(64/512, 448/512, 64/512, 128/512);
            else
                self.Left:SetTexCoord(0/512, 64/512, 0/512, 64/512);
                self.Right:SetTexCoord(448/512, 512/512, 0/512, 64/512);
                self.Center:SetTexCoord(64/512, 448/512, 0/512, 64/512);
            end
            if self.isHeader or self.completed then
                self.Name:SetTextColor(0.6, 0.6, 0.6);
                --self.Name:SetTextColor(0.8, 0.8, 0.8);
            elseif self.readyForTurnIn then
                self.Name:SetTextColor(0.098, 1.000, 0.098);
            else
                if self.selected then
                    self.Name:SetTextColor(1, 1, 1);
                else
                    self.Name:SetTextColor(0.922, 0.871, 0.761);
                end
            end
        end
    end

    function ListButtonMixin:SetHeader()
        self.id = nil;
        self.type = "Header";

        self.isHeader = true;
        self.readyForTurnIn = nil;
        self.flagQuest = nil;
        self.Icon:SetTexture(TEXTURE);
        self.Icon:SetSize(18, 18);
        self.Icon:SetPoint("CENTER", self, "LEFT", 16, 0);
        self.Name:SetTextColor(0.6, 0.6, 0.6);
        self.Name:SetWidth(0);
        self.Name:SetMaxLines(1);
        self.Name:SetPoint("LEFT", self, "LEFT", 32, 0);
        self.Text1:SetText(nil);

        if self.isCollapsed then
            self.Icon:SetTexCoord(0, 48/512, 208/512, 256/512);
        else
            self.Icon:SetTexCoord(0, 48/512, 256/512, 208/512);
        end
    end

    function ListButtonMixin:SetEntry()
        --Clear Atlas
        self.isHeader = nil;
        self.Icon:SetSize(18, 18);
        self.Icon:SetTexture(nil);
        self.Icon:SetPoint("CENTER", self, "LEFT", 16, 0);
        self.Icon:SetTexCoord(0, 1, 0, 1);
        self.Name:SetTextColor(0.88, 0.88, 0.88);
        self.Name:SetWidth(240);
        self.Name:SetMaxLines(2);
    end

    function LandingPageUtil.CreateScrollViewListButton(parent)
        local f = CreateFrame("Button", nil, parent);
        f:SetSize(248, 24);

        SetupThreeSliceBackground(f, TEXTURE, -4, 4);
        f.Left:SetSize(32, 32);
        f.Left:SetTexCoord(0/512, 64/512, 0/512, 64/512);
        f.Right:SetSize(32, 32);
        f.Right:SetTexCoord(448/512, 512/512, 0/512, 64/512);
        f.Center:SetTexCoord(64/512, 448/512, 0/512, 64/512);

        f.Icon = f:CreateTexture(nil, "OVERLAY");
        f.Icon:SetSize(18, 18);
        f.Icon:SetPoint("CENTER", f, "LEFT", 16, 0);

        f.Name = f:CreateFontString(nil, "OVERLAY", "GameFontNormal");
        f.Name:SetPoint("LEFT", f, "LEFT", 32, 0);
        f.Name:SetTextColor(0.88, 0.88, 0.88);
        f.Name:SetJustifyH("LEFT");

        f.Text1 = f:CreateFontString(nil, "OVERLAY", "GameFontNormal");
        f.Text1:SetPoint("RIGHT", f, "RIGHT", -96, 0);
        f.Text1:SetTextColor(0.88, 0.88, 0.88);
        f.Text1:SetJustifyH("CENTER");

        API.Mixin(f, ListButtonMixin);

        return f
    end
end


local DropdownMenu = {};
LandingPageUtil.DropdownMenu = DropdownMenu;
do  --Dropdown Menu
    local MenuButtonMixin = {};

    function MenuButtonMixin:OnEnter()
        self.Text:SetTextColor(1, 1, 1);
        DropdownMenu:HighlightButton(self);
    end

    function MenuButtonMixin:OnLeave()
        if self:IsEnabled() then
            self.Text:SetTextColor(0.922, 0.871, 0.761);
        else
            self.Text:SetTextColor(0.5, 0.5, 0.5);
        end
        DropdownMenu:HighlightButton(nil);
    end

    function MenuButtonMixin:OnClick(button)
        if self.onClickFunc then
            self.onClickFunc(button);
        end

        if self.closeAfterClick then
            DropdownMenu:Hide();
        end
    end

    function MenuButtonMixin:SetLeftText(text)
        self.Text:SetText(text);
    end

    function MenuButtonMixin:SetRegular()
        self.leftOffset = 0;
        self.selected = nil;
        self:Layout();
    end

    function MenuButtonMixin:SetRadio(selected)
        self.leftOffset = 20;
        self.LeftTexture:SetTexture("Interface/AddOns/Plumber/Art/Frame/DropdownMenu", nil, nil, "LINEAR");
        self.selected = selected;
        if selected then
            self.LeftTexture:SetTexCoord(32/512, 64/512, 0/512, 32/512);
        else
            self.LeftTexture:SetTexCoord(0/512, 32/512, 0/512, 32/512);
        end
        self.LeftTexture:Show();
        self:Layout();
    end

    function MenuButtonMixin:SetCheckbox(selected)
        self.leftOffset = 20;
        self.LeftTexture:SetTexture("Interface/AddOns/Plumber/Art/Frame/DropdownMenu", nil, nil, "LINEAR");
        self.selected = selected;
        if selected then
            self.LeftTexture:SetTexCoord(96/512, 128/512, 0/512, 32/512);
        else
            self.LeftTexture:SetTexCoord(64/512, 96/512, 0/512, 32/512);
        end
        self.LeftTexture:Show();
        self:Layout();
    end

    function MenuButtonMixin:Layout()
        self.Text:SetPoint("LEFT", self, "LEFT", self.paddingH + self.leftOffset, 0);
    end

    function MenuButtonMixin:GetContentWidth()
        return self.Text:GetWrappedWidth() + self.leftOffset + 3 * self.paddingH
    end

    local function CreateMenuButton(parent)
        local f = CreateFrame("Button", nil, parent);
        f:SetSize(240, 24);
        API.Mixin(f, MenuButtonMixin);
        f.leftOffset = 0;
        f.paddingH = 8;

        f.Text = f:CreateFontString(nil, "OVERLAY", "GameFontNormal");
        f.Text:SetPoint("LEFT", f, "LEFT", f.paddingH, 0);
        f.Text:SetJustifyH("LEFT");
        f.Text:SetTextColor(0.922, 0.871, 0.761);

        f.LeftTexture = f:CreateTexture(nil, "OVERLAY");
        f.LeftTexture:SetSize(16, 16);
        f.LeftTexture:SetPoint("LEFT", f, "LEFT", f.paddingH, 0);
        f.LeftTexture:Hide();

        f:SetScript("OnEnter", f.OnEnter);
        f:SetScript("OnLeave", f.OnLeave);
        f:SetScript("OnClick", f.OnClick);

        return f
    end


    function DropdownMenu:SetSize(width, height)
        if width < 40 then
            width = 40;
        end

        if height < 40 then
            height = 40;
        end

        if self.Frame then
            self.Frame:SetSize(width, height);
        end
    end

    function DropdownMenu:SetPaddingV(paddingV)
        self.paddingV = paddingV;
    end

    function DropdownMenu:SetContentSize(width, height)
        local padding = 2 * self.paddingV;
        self:SetSize(width, height + padding);
    end

    function DropdownMenu:Show()
        if self.Frame then
            self.Frame:Show();
        end
    end

    function DropdownMenu:Hide()
        if self.Frame then
            self.Frame:Hide();
            self.Frame:ClearAllPoints();
            self.buttonPool:ReleaseAll();
        end
    end

    function DropdownMenu:ShowMenu(owner, menuInfo)
        if self.Init then
            self:Init();
        end

        self:Hide();
        self.owner = owner;
        if owner and menuInfo and menuInfo.widgets then
            local f = self.Frame;
            f:SetParent(owner);
            f:SetPoint("TOPLEFT", owner, "BOTTOMLEFT", 0, -6);

            local buttonHeight = 24;
            local n = 0;
            local widget;
            local offsetX = 0;
            local offsetY = self.paddingV;
            local contentWidth = owner:GetWidth();
            local contentHeight = 0;
            local widgetWidth;
            local widgets = {};

            for _, v in ipairs(menuInfo.widgets) do
                n = n + 1;
                if v.type == "Checkbox" or v.type == "Radio" or v.type == "Button" then
                    widget = self.buttonPool:Acquire();
                    widget:SetPoint("TOPLEFT", f, "TOPLEFT", offsetX, -offsetY);
                    offsetY = offsetY + buttonHeight;
                    contentHeight = contentHeight + buttonHeight;
                    widget.onClickFunc = v.onClickFunc;
                    widget.closeAfterClick = v.closeAfterClick;
                    widget:SetLeftText(v.text);
                    if v.type == "Radio" then
                        widget:SetRadio(v.selected);
                    elseif v.type == "Checkbox" then
                        widget:SetCheckbox(v.selected);
                    else
                        widget:SetRegular();
                    end
                end
                widgets[n] = widget;
                widgetWidth = widget:GetContentWidth();
                if widgetWidth > contentWidth then
                    contentWidth = widgetWidth;
                end
            end

            contentWidth = API.Round(contentWidth);
            contentHeight = API.Round(contentHeight);

            for _, widget in ipairs(widgets) do
                widget:SetWidth(contentWidth);
            end

            self:SetContentSize(contentWidth, contentHeight);

            f:Show();
        end
    end

    function DropdownMenu:ToggleMenu(owner)
        if self.owner == owner and (self.Frame and self.Frame:IsShown()) then
            self:Hide();
        else
            local menuInfo = owner.menuInfoGetter();
            self:ShowMenu(owner, menuInfo);
        end
    end

    function DropdownMenu:Init()
        self.Init = nil;

        local Frame = CreateFrame("Frame", nil, UIParent);
        Frame:Hide();
        self.Frame = Frame;
        Frame:SetSize(112, 112);
        Frame:Hide();
        Frame:SetFrameStrata("FULLSCREEN_DIALOG");
        Frame:SetFixedFrameStrata(true);
        Frame:EnableMouse(true);
        Frame:EnableMouseMotion(true);
        Frame:SetClampedToScreen(true);
        self:SetPaddingV(6);

        local f = addon.CreateNineSliceFrame(Frame, "ExpansionBorder_TWW");
        Frame.Background = f;
        f:SetUsingParentLevel(true);
        f:SetCornerSize(16, 16);
        f:SetDisableSharpening(false);
        f:CoverParent(0);

        f.pieces[1]:SetTexCoord(512/1024, 544/1024, 320/1024, 352/1024);
        f.pieces[2]:SetTexCoord(544/1024, 736/1024, 320/1024, 352/1024);
        f.pieces[3]:SetTexCoord(736/1024, 768/1024, 320/1024, 352/1024);
        f.pieces[4]:SetTexCoord(512/1024, 544/1024, 352/1024, 544/1024);
        f.pieces[5]:SetTexCoord(544/1024, 736/1024, 352/1024, 544/1024);
        f.pieces[6]:SetTexCoord(736/1024, 768/1024, 352/1024, 544/1024);
        f.pieces[7]:SetTexCoord(512/1024, 544/1024, 544/1024, 576/1024);
        f.pieces[8]:SetTexCoord(544/1024, 736/1024, 544/1024, 576/1024);
        f.pieces[9]:SetTexCoord(736/1024, 768/1024, 544/1024, 576/1024);


        local function MenuButton_Create()
            return CreateMenuButton(Frame);
        end
        self.buttonPool = CreateObjectPool(MenuButton_Create);


        self.Highlight = LandingPageUtil.CreateButtonHighlight(Frame);
        self.Highlight.Texture:SetTexture("Interface/AddOns/Plumber/Art/Frame/DropdownMenu");
        self.Highlight.Texture:SetTexCoord(368/512, 512/512, 0/512, 48/512);
        self.Highlight.Texture:SetVertexColor(119/255, 96/255, 74/255);
        self.Highlight.Texture:SetBlendMode("ADD");



        Frame:SetScript("OnShow", function()
            Frame:RegisterEvent("GLOBAL_MOUSE_DOWN");
        end);

        Frame:SetScript("OnHide", function()
            DropdownMenu:Hide();
            Frame:UnregisterEvent("GLOBAL_MOUSE_DOWN");
        end);

        Frame:SetScript("OnEvent", function()
            if not (Frame:IsMouseOver() or (self.owner and self.owner:IsMouseMotionFocus())) then
                Frame:Hide();
            end
        end);
    end

    function DropdownMenu:HighlightButton(button)
        self.Highlight:Hide();
        self.Highlight:ClearAllPoints();
        if button then
            self.Highlight:SetParent(button);
            self.Highlight:SetPoint("TOPLEFT", button, "TOPLEFT", 0, 0);
            self.Highlight:SetPoint("BOTTOMRIGHT", button, "BOTTOMRIGHT", 0, 0);
            self.Highlight:Show();
        end
    end
end


do  --Dropdown Button
    local DropdownButtonMixin = {};

    function DropdownButtonMixin:OnEnter()
        self:UpdateVisual();
        local textTruncated = self.Text:IsTruncated();
        if textTruncated or self.tooltip then
            local tooltip = GameTooltip;
            tooltip:SetOwner(self, "ANCHOR_RIGHT");
            tooltip:SetText(self.Text:GetText(), 1, 1, 1, true);
            if self.tooltip then
                tooltip:AddLine(self.tooltip, 1, 0.82, 0, true);
            end
            tooltip:Show();
        end
    end

    function DropdownButtonMixin:OnLeave()
        self:UpdateVisual();
        GameTooltip:Hide();
    end

    function DropdownButtonMixin:OnClick()
        DropdownMenu:ToggleMenu(self, self.menuInfo);
    end

    function DropdownButtonMixin:OnMouseDown(button)
        if button == "LeftButton" and self:IsEnabled() then
            self.Arrow:SetTexCoord(828/1024, 892/1024, 256/1024, 320/1024);
            self.Highlight:SetAlpha(0.5);
        end
    end

    function DropdownButtonMixin:OnMouseUp()
        self.Arrow:SetTexCoord(764/1024, 828/1024, 256/1024, 320/1024);
        self.Highlight:SetAlpha(1);
    end

    function DropdownButtonMixin:OnEnable()
        self:UpdateVisual();
    end

    function DropdownButtonMixin:OnDisable()
        self:UpdateVisual();
    end

    function DropdownButtonMixin:UpdateVisual()
        if self:IsEnabled() then
            if self:IsMouseMotionFocus() then
                self.Text:SetTextColor(1, 1, 1);
            else
                self.Text:SetTextColor(0.922, 0.871, 0.761);
            end
            self.Arrow:SetVertexColor(1, 1, 1);
            self.Arrow:SetDesaturated(false);
        else
            self.Text:SetTextColor(0.5, 0.5, 0.5);
            self.Arrow:SetVertexColor(0.6, 0.6, 0.6);
            self.Arrow:SetDesaturated(true);
        end
    end

    function DropdownButtonMixin:SetText(text)
        self.Text:SetText(text);
    end

    function LandingPageUtil.CreateDropdownButton(parent)
        local f = CreateFrame("Button", nil, parent);
        API.Mixin(f, DropdownButtonMixin);
        f:SetSize(240, 24);
        f:SetHitRectInsets(-2, -2, -4, -4);

        for i = 1, 2 do
            local setupFunc;
            local prefix;
            if i == 1 then
                setupFunc = SetupThreeSliceBackground;
                prefix = "";
            else
                setupFunc = SetupThressSliceHighlight;
                prefix = "Highlight";
            end
            setupFunc(f, TEXTURE_FILE, -2.5, 2.5);
            f[prefix.."Left"]:SetSize(20, 32);
            f[prefix.."Left"]:SetTexCoord(518/1024, 558/1024, 256/1024, 320/1024);
            f[prefix.."Right"]:SetSize(32, 32);
            f[prefix.."Right"]:SetTexCoord(690/1024, 754/1024, 256/1024, 320/1024);
            f[prefix.."Center"]:SetTexCoord(558/1024, 690/1024, 256/1024, 320/1024);
        end

        f.Text = f:CreateFontString(nil, "OVERLAY", "GameFontNormal");
        f.Text:SetTextColor(1, 1, 1);
        f.Text:SetJustifyH("LEFT");
        f.Text:SetPoint("LEFT", f, "LEFT", 8, 0);
        f.Text:SetPoint("RIGHT", f, "RIGHT", -32, 0);
        f.Text:SetMaxLines(1);

        f.Arrow = f:CreateTexture(nil, "OVERLAY");
        f.Arrow:SetPoint("CENTER", f, "RIGHT", -13.5, 0);
        f.Arrow:SetSize(32, 32);
        f.Arrow:SetTexture(TEXTURE_FILE);
        f.Arrow:SetTexCoord(764/1024, 828/1024, 256/1024, 320/1024);

        f.Highlight = f:CreateTexture(nil, "HIGHLIGHT");
        f.Highlight:SetPoint("CENTER", f, "RIGHT", -13.5, 0);
        f.Highlight:SetSize(48, 48);
        f.Highlight:SetTexture(TEXTURE_FILE);
        f.Highlight:SetTexCoord(892/1024, 956/1024, 256/1024, 320/1024);
        f.Highlight:SetBlendMode("ADD");
        f.Highlight:SetVertexColor(0.4, 0.2, 0.1);

        f:SetScript("OnEnter", f.OnEnter);
        f:SetScript("OnLeave", f.OnLeave);
        f:SetScript("OnClick", f.OnClick);
        f:SetScript("OnMouseDown", f.OnMouseDown);
        f:SetScript("OnMouseUp", f.OnMouseUp);

        f:UpdateVisual();

        return f
    end
end


do  --Button Highlight
    local function CreateButtonHighlight(parent)
        local f = CreateFrame("Frame", nil, parent);
        f:Hide();
        f:SetUsingParentLevel(true);
        f:SetSize(232, 40);
        local tex = f:CreateTexture(nil, "BACKGROUND");
        f.Texture = tex;
        tex:SetAllPoints(true);
        tex:SetTexture("Interface/AddOns/Plumber/Art/Frame/HorizontalButtonHighlight");
        tex:SetBlendMode("ADD");
        tex:SetVertexColor(51/255, 29/255, 17/255);
        return f
    end
    LandingPageUtil.CreateButtonHighlight = CreateButtonHighlight;
end


--[[
do  --SoftTargetName
    local EL = CreateFrame("Frame");

    function EL:OnEvent(event, ...)
        if event == "NAME_PLATE_UNIT_ADDED" then
            local unit = ...
            local nameplate = C_NamePlate.GetNamePlateForUnit(unit);
            if nameplate then
                local f = nameplate.UnitFrame.SoftTargetFrame;
                if f:IsShown() then
                    if not f.SoftTargetFontString then
                        f.SoftTargetFontString = f:CreateFontString(nil, "OVERLAY", "GameFontNormal");
                        f.SoftTargetFontString:SetPoint("TOP", f.Icon, "BOTTOM", 0, -4);
                    end
                    f.SoftTargetFontString:SetText(UnitName(unit));
                    f.SoftTargetFontString:Show();

                    local textureFile = f.Icon:GetTexture();
                    --To determine if the interaction is in range:
                    if string.find(string.lower(textureFile), "unable") then
                        f.SoftTargetFontString:SetTextColor(0.5, 0.5, 0.5);
                    else
                        f.SoftTargetFontString:SetTextColor(1, 0.82, 0);
                    end
                    self.softTargetUnit = unit;
                else
                    if f.SoftTargetFontString then
                        f.SoftTargetFontString:Hide();
                    end
                end
            end
        elseif event == "PLAYER_SOFT_INTERACT_CHANGED" then
            local oldTarget, newTarget = ...
            if not newTarget then
                self.softTargetUnit = nil;
            end
            if self.softTargetUnit then
                self:OnEvent("NAME_PLATE_UNIT_ADDED", self.softTargetUnit);
            end
        end
    end

    EL:SetScript("OnEvent", EL.OnEvent);
    EL:RegisterEvent("NAME_PLATE_UNIT_ADDED");
    EL:RegisterEvent("PLAYER_SOFT_INTERACT_CHANGED");
end
--]]