UITool = UITool or {}

if not UE_SERVER then
	
	--- 设置
	---@param widget UUserWidget
	---@param offset float
	function UITool.SetWidgetToRightBorder(widget, offset)
		if not widget then
			return
		end
		local slot = WidgetLayoutLibrary.SlotAsCanvasSlot(widget)
		slot:SetAnchors({ Minimum = { X = 1, Y = 0 }, Maximum = { X = 1, Y = 0 } })
		slot:SetAlignment({ X = 1, Y = 0 })
		local offsets = slot:GetOffsets()
		slot:SetOffsets({ Left = offset, Right = offsets.Right, Bottom = offsets.Bottom, Top = offsets.Top })
	end
	
	--- 为防止被清除做出的全局处理
	function UITool.BindButtonClicked(TargetButton, Func, Obj)
		TargetButton.OnClicked:Add(Func, Obj)
	end
	
	--- 直接绑定按键点击打开WidgetManager的页面
	function UITool.ButtonOnClickShowPanel(TargetButton, UIType)
		TargetButton.OnClicked:Add(function()
			if WidgetManager:IsVisiblePanel(UIType) then
				WidgetManager:ClosePanel(UIType);
			else
				WidgetManager:ShowPanel(UIType, false);
			end
		end)
	end
	
	---@param InVec table<int32, float> 这是一个3-4个元素的数组
	function UITool.MakeSlateColor(InVec)
		return { SpecifiedColor = VectorHelper.ArrToColor(InVec), ColorUseRule = 0 }
	end
	
	--- 绑定UI文本
	function UITool.TextBlockBindingPropertyText(TargetTextBlock, Func, Obj)
		TargetTextBlock:BindingProperty("Text", Func, Obj)
	end
	
	function UITool.TextBlockBindingProperty(TargetWidget, PropertyName, Func, Obj)
		TargetWidget:BindingProperty(PropertyName, Func, Obj)
	end
	
	function UITool.SetBrushFromTexture(InImage, InIcon)
		InImage:SetBrushFromTexture(InIcon);
	end
	
	UITool.CachedImage = {};
	
	---@field IsSucceedFun fun(Texture:UTexture2DDynamic)
	---@field FailedFun fun()
	function UITool.DownloadImage(ImageURL, IsSucceedFun, FailedFun)
		if ImageURL == nil or string.len(ImageURL) == 0 then return ; end
		if UITool.CachedImage[ImageURL] then
			IsSucceedFun(UITool.CachedImage[ImageURL]);
			return ;
		end
		local Func      = function(Texture)
			UITool.CachedImage[ImageURL] = Texture;
			IsSucceedFun(Texture);
		end
		local ResHandle = AsyncTaskDownloadImage.DownloadImage(ImageURL)
		ResHandle.OnSuccess:Add(Func)
		if FailedFun ~= nil and type(FailedFun) == 'function' then
			ResHandle.OnFail:Add(FailedFun);
		end
	end
	
	--- 异步加载图片，成功后设置到UIImageObj，若该UIImageObj重复加载，则会判断设置时间决定是否设置
	---@param UIImageObj UImage
	---@param ResPath string
	function UITool.AsyncLoadTextureToUIImage(UIImageObj, ResPath)
		if UITool.ImageObjUpdateTime == nil then
			-- {Obj = float, ...}
			UITool.ImageObjUpdateTime = {}
		end
		
		local BeginLoadTime = KismetSystemLibrary.GetGameTimeInSeconds(UGCGameSystem.GameState)
		local CallBackFunc  = function(TextureObj)
			if UE.IsValid(TextureObj) then
				if UITool.ImageObjUpdateTime[UIImageObj] == nil
						or UITool.ImageObjUpdateTime[UIImageObj] < BeginLoadTime
				then
					UITool.ImageObjUpdateTime[UIImageObj] = BeginLoadTime
					UIImageObj:SetBrushFromTexture(TextureObj);
				end
			end
		end
		
		FileTool.AsyncLoadAsset(ResPath, CallBackFunc, nil, true)
	end
	
	function UITool.ButtonOnClickShowPanel(TargetButton, UIType, IsShow)
		TargetButton.OnClicked:Add(function()
			if IsShow then
				WidgetManager:ShowPanel(UIType, false)
			else
				WidgetManager:ClosePanel(UIType)
			end
		end)
	end
	
	--- 添加一个 继承自 PanelWidget 的控件的子类
	---@param InBox UPanelWidget
	---@param InClas UClass*
	---@param InOwner UObject*
	---@return UUserWidget*
	function UITool.AddWidgetItem(InBox, InClas, InOwner)
		if InOwner == nil then
			InOwner = UGCGameSystem.GameState
		end
		local Item = UserWidget.NewWidgetObjectBP(InOwner, InClas);
		InBox:AddChild(Item);
		return Item;
	end
	
	-- PanelWidget 中从后面逐个隐藏 Item 的操作
	function UITool.HideWidgetItem(InBox, InCount)
		if InBox == nil then
			return ;
		end
		local Count = InBox:GetChildrenCount();
		if InCount == nil or InCount > Count then
			InCount = Count;
		end
		-- 从后往前逐个隐藏
		for i = 1, InCount do
			local Item = InBox:GetChildAt(Count - i);
			Item:SetVisibility(ESlateVisibility.Collapsed);
		end
	end
	
	function UITool.SliderOnValueChanged(Slider, Func, Obj)
		Slider.OnValueChanged:Add(Func, Obj)
	end
	
	UITool.ClearSpectateButtonTimer = nil;
	
	-- 将观战页面退出按钮进行隐藏（否则点击到了直接退出就麻烦了）
	function UITool.HideSpectate(InPC)
		if not UE.IsValid(InPC) then
			return ;
		end
		
		self.ClearSpectateButtonTimer = UGCEventSystem.SetTimerLoop(InPC, function()
			InPC:CastUIMsg("UIMsg_HideQuitWatch", "");
			UGCEventSystem.SetTimer(InPC, function()
				if UE.IsValid(self.ClearSpectateButtonTimer) then
					UGCEventSystem.StopTimer(self.ClearSpectateButtonTimer);
				end
			end, 10)
		end, 0.3)
	end
	
	--- 在滚动视图中的按钮可以被 handle 的方法
	function UITool.EnableButtonScroll(InButton)
		InButton:SetTouchMethod(EButtonTouchMethod.PreciseTap)
	end
	
	function UITool.ButtonSetEnable(InButton, IsEnable)
		InButton:SetIsEnabled(IsEnable);
	end
	
	---@param Button UButton
	function UITool.BindButtonToShare(Button)
		Button.OnClicked:Add(function()
			UGCWidgetManagerSystem.Share();
		end);
	end
	
	--- 绑定按钮到添加朋友
	---@param Button UNewButton
	---@param InPlayerKey PlayerKey
	function UITool.BindButtonAddFriend(Button, InPlayerKey)
		if LocalPlayerKey ~= InPlayerKey then
			local UID = UE.GetPlayerUID(InPlayerKey)
			if UID then
				UITool.BindButtonClicked(Button, function()
					UGCGameSystem.AddFriend(UID);
				end)
			end
			Button:SetVisibility(ESlateVisibility.Visible);
		else
			Button:SetVisibility(ESlateVisibility.Hidden);
		end
	end
	
	function UITool.GetChildrenCount(InBox)
		return InBox:GetChildrenCount();
	end
	
	function UITool.GetChildAt(InBox, InIndex)
		return InBox:GetChildAt(InIndex);
	end
	
	--- 遍历所有子项
	---@param InBox UPanelWidget
	---@param InFunc fun(index: int32, Widget: UUserWidget)
	function UITool.ForeachAllChildren(InBox, InFunc)
		if type(InFunc) ~= 'function' then return ; end
		for i = 1, InBox:GetChildrenCount() do
			local Item = InBox:GetChildAt(i - 1);
			InFunc(i, Item);
		end
	end
	
	---@param InBox UPanelWidget
	---@param InFunc fun(Widget: UUserWidget): boolean
	---@return UUserWidget
	function UITool.FindItem(InBox, InFunc)
		for i = 1, InBox:GetChildrenCount() do
			local Item = InBox:GetChildAt(i - 1);
			if InFunc(Item) then return Item; end
		end
		return nil;
	end
	
	---@return MainControlBaseUI_C
	function UITool.MainControlPanel()
		---@type MainControlPanelTochButton_C
		local MainControlPanel  = GameBusinessManager.GetWidgetFromName(ingame, "MainControlPanelTochButton_C");
		---@type MainControlBaseUI_C
		local MainControlBaseUI = MainControlPanel.MainControlBaseUI;
		return MainControlPanel;
	end
	
	---@return MainControlPanelTochButton_C
	function UITool.MainControlBaseUI()
		local MainControlPanel = GameBusinessManager.GetWidgetFromName(ingame, "MainControlPanelTochButton_C");
		return MainControlPanel.MainControlBaseUI;
	end
	
	--- 隐藏所有子项
	---@param InBox UPanelWidget
	function UITool.HideAllChildren(InBox)
		UITool.ForeachAllChildren(InBox, function(index, Widget)
			Widget:SetVisibility(ESlateVisibility.Collapsed);
		end)
	end
	
	function UITool.SetItemInfo(InBox, FuncName, Info)
		UITool.ForeachAllChildren(InBox, function(index, Widget)
			if Info[index] then
				table.func(Widget, FuncName, index, Info[index]);
				Widget:SetVisibility(ESlateVisibility.SelfHitTestInvisible);
			else
				Widget:SetVisibility(ESlateVisibility.Collapsed);
			end
		end)
	end
	
	--- 自动适配数量
	---@param InBox UPanelWidget
	---@param InCount int32
	---@param InClass UClass
	---@param Func fun(Widget:UUserWidget, Index:int32)
	function UITool.AdaptChildren(InBox, InCount, InClass, Func, ...)
		local Count       = UITool.GetChildrenCount(InBox)
		local TargetCount = InCount - Count;
		if TargetCount == 0 then
		elseif TargetCount < 0 then
			-- 说明当前多了
			for i = Count, InCount + 1, -1 do
				local Item = InBox:GetChildAt(i - 1);
				Item:SetVisibility(ESlateVisibility.Collapsed);
			end
		else
			for i = Count + 1, InCount, 1 do
				UITool.AddWidgetItem(InBox, InClass, InBox);
			end
		end
		local Params = { ... };
		UITool.ForeachAllChildren(InBox, function(index, Widget)
			if Func and type(Func) == 'function' then Func(Widget, index, table.unpackTable(Params)); end
		end)
	end
	
	--- 隐藏起来观战退出按钮，直接调用即可
	function UITool.HideReturnToLobbyButton()
		UGCLogSystem.Log("[WidgetManager.HideReturnToLobbyButton] 执行")
		local InGameMgr                = GameFrontendHUD:GetLogicManagerByName("ingame");
		local WatchGameUIObj_InGameMgr = GameBusinessManager.GetWidgetFromName(InGameMgr, "WatchGame_UIBP_C");
		if WatchGameUIObj_InGameMgr then
			WatchGameUIObj_InGameMgr.Button_BackToLobby:SetVisibility(ESlateVisibility.Collapsed);
		end
		
		local BattleResultMgr = GameFrontendHUD:GetLogicManagerByName("bp_battleresult");
		local ObserveMgr      = GameFrontendHUD:GetLogicManagerByName("observe");
		
		local ObserveMgrInst  = GameBusinessManager.GetLuaObject(ObserveMgr);
		UGCLogSystem.Log("[WidgetManager.HideReturnToLobbyButton] ObserveMgrInst = %s", tostring(ObserveMgrInst))
		
		local WatchGameUI = GetUIObject(bp_battleresult, "WatchGame_UIBP_C");
		if WatchGameUI then
			UGCLogSystem.Log("[WidgetManager.HideReturnToLobbyButton] 隐藏起来")
			WatchGameUI.Button_BackToLobby:SetVisibility(ESlateVisibility.Collapsed);
			WatchGameUI.GridPanel_1:SetVisibility(ESlateVisibility.Hidden);
		end
		
		local WatchGame_UIBPG = UGCWidgetManagerSystem.GetGlobalOBUI();
		if WatchGame_UIBPG then
			WatchGame_UIBPG.Button_BackToLobby:SetVisibility(ESlateVisibility.Collapsed);
		end
		
		for k, v in pairs(GameFrontendHUD.LogicManagerList) do
			local UI = GameBusinessManager.GetWidgetFromName(v, "WatchGame_UIBP");
			if UI ~= nil then
				UGCLogSystem.Log("[Watch] WatchGame_UIBP in Manager ====== :%s", UE.GetName(v));
			end
		end
		
		local GameBusinessManagerInst = GameBusinessManager.GetLuaObject(BattleResultMgr);
		UGCLogSystem.Log("[Watch] GameBusinessManagerInst ====%s", tostring(GameBusinessManagerInst));
		
		if GameBusinessManagerInst then
			UGCLogSystem.LogTree("[Watch] GameBusinessManagerInst", GameBusinessManagerInst);
		end
	end
	
	function UITool.HidePickUpPanel()
		---@type MainControlPanelTochButton_C
		local MainControlPanel        = GameBusinessManager.GetWidgetFromName(ingame, "MainControlPanelTochButton_C");
		---@type MainControlBaseUI_C
		local MainControlBaseUI       = MainControlPanel.MainControlBaseUI;
		local BackPackPickUpPanel     = MainControlBaseUI.BackPackPickUpPanel_BP_0
		local PickUpListPanel         = BackPackPickUpPanel.PickUpListPanel_BP
		local CustomizePickUpPanel_BP = PickUpListPanel.CustomizePickUpPanel_BP;
		local Canvas_PickUp           = CustomizePickUpPanel_BP.Canvas_PickUp
		UGCLogSystem.Log("[UITool.HidePickUpPanel] 执行")
		Canvas_PickUp:SetVisibility(ESlateVisibility.Hidden);
	end
	
	---@param Fmt string
	function UITool.ShowTips(Fmt, ...)
		UGCWidgetManagerSystem.ShowTipsUI(string.format(Fmt, ...));
	end
	
	function UITool.ShowTips1(ShowTime, Color, fmt, ...)
		WidgetManager:ShowPanel(WidgetConfig.EUIType.Tips1, false, ShowTime, Color, fmt, ...);
	end
	
	function UITool.CreateWidget(Class, InOwner)
		if InOwner == nil then
			InOwner = UGCGameSystem.GameState
		end
		local Item = UserWidget.NewWidgetObjectBP(InOwner, Class);
		return Item;
	end
	
	---@param ui UWidget
	---@param show bool
	function UITool.ShowUI(show, ...)
		local Params = { ... }
		if table.isEmpty(Params) then return end
		for i, ui in pairs(Params) do
			ui:SetVisibility(show and ESlateVisibility.SelfHitTestInvisible or ESlateVisibility.Collapsed);
		end
	end
	
	--- 显示距离游戏结束还有多长时间
	function UITool.ShowGameEndCountDown(fmt, ...)
		---@type MainControlPanelTochButton_C
		local MainControlPanel  = GameBusinessManager.GetWidgetFromName(ingame, "MainControlPanelTochButton_C");
		local MainControlBaseUI = MainControlPanel.MainControlBaseUI;
		MainControlBaseUI.CanvasPanel_TimeDown:SetVisibility(ESlateVisibility.SelfHitTestInvisible)
		MainControlBaseUI.TextBlock_TimeDown:SetText(string.format(fmt, ...));
		UGCEventSystem.SetTimer(UGCGameSystem.GameState, function()
			MainControlBaseUI.CanvasPanel_TimeDown:SetVisibility(ESlateVisibility.Collapsed)
		end, 2.5);
	end
	
	---@param Widget UWidget
	---@return FVector2D
	function UITool.GetChildWidgetSize(Widget)
		local WidgetGeo = Widget:GetCachedGeometry();
		return SlateBlueprintLibrary.GetLocalSize(WidgetGeo);
	end
	
	---@param Widget UWidget 子控件
	---@param Parent UUserWidget 父控件
	---@return FVector2D
	function UITool.GetChildLeftUpPos(Widget, Parent)
		UGCLogSystem.Log("[UITool.GetChildLeftUpPos] 执行")
		local WidgetGeo     = Widget:GetCachedGeometry();
		local ParentGeo     = Parent:GetCachedGeometry();
		local WidgetAbsoPos = SlateBlueprintLibrary.GetAbsolutePosition(WidgetGeo);
		--return WidgetAbsoPos;
		return SlateBlueprintLibrary.AbsoluteToLocal(ParentGeo, WidgetAbsoPos);
	end
	
	--- 获取中心点坐标
	---@param Widget UWidget 子控件
	---@param Parent UUserWidget 父控件
	---@return FVector2D
	function UITool.GetChildCenterPos(Widget, Parent)
		local WidgetGeo     = Widget:GetCachedGeometry();
		local ParentGeo     = Parent:GetCachedGeometry();
		local WidgetSize    = UITool.GetChildWidgetSize(Widget)
		local WidgetAbsoPos = SlateBlueprintLibrary.GetAbsolutePosition(WidgetGeo);
		return VectorHelper.Add2D(SlateBlueprintLibrary.AbsoluteToLocal(Parent, WidgetAbsoPos), VectorHelper.MulNumber(WidgetSize, 0.5));
	end
	
	--- 切换是否显示
	---@param InWidget UWidget
	function UITool.TurnVisible(InWidget)
		if InWidget:IsVisible() then
			InWidget:SetVisibility(ESlateVisibility.Collapsed);
		else
			InWidget:SetVisibility(ESlateVisibility.SelfHitTestInvisible);
		end
	end
	
	---@return MainControlPanelTochButton_C
	function UITool.GetMainControlPanel()
		return GameBusinessManager.GetWidgetFromName(ingame, "MainControlPanelTochButton_C");
	end
	
	function UITool.OpenSettings()
		local MainControlPanel = UITool.GetMainControlPanel();
		for i = 1, 2 do
			MainControlPanel.MainControlBaseUI:OpenSettingPanel();
		end
	end
end