--- 辅助解耦的存在
if UE_SERVER then return ; end
UIManager           = {};

UIManager.Widgets   = {};
UIManager.WaitFuncs = {};

function UIManager:Register(InKey, InWidget)
	assert(InKey ~= nil);
	assert(InWidget ~= nil);
	if self.Widgets[InKey] ~= nil then
		if self.Widgets[InKey] == InWidget then
			UGCLogSystem.Log("[UIManager:Register] 不要重复添加")
			return ;
		end
	end
	self.Widgets[InKey] = InWidget;
	if self.WaitFuncs[InKey] ~= nil then
		for i, FuncInfo in pairs(self.WaitFuncs[InKey]) do
			FuncInfo.Fun(InWidget, table.unpackTable(FuncInfo.Params));
		end
		self.WaitFuncs[InKey] = nil;
	end
end

---@param InKey
---@param InFunc fun(Widget:UUserWidget, ...)
function UIManager:Get(InKey, InFunc, ...)
	assert(InKey ~= nil)
	local Params = { ... };
	if self.Widgets[InKey] then
		if type(InFunc) == 'function' then InFunc(self.Widgets[InKey]); end
		return self.Widgets[InKey];
	end
	if self.WaitFuncs[InKey] == nil then
		self.WaitFuncs[InKey] = {};
	end
	table.insert(self.WaitFuncs[InKey], {
		Fun    = InFunc,
		Params = Params,
	});
	return nil;
end

function UIManager:Exec(InKey, InFuncName, ...)
	assert(InKey ~= nil)
	local param = { ... };
	if self.Widgets[InKey] then
		table.func(self.Widgets[InKey], InFuncName, ...);
	end
end

function UIManager:Unregister(InKey)
	self.Widgets[InKey]   = nil;
	self.WaitFuncs[InKey] = nil;
end

function UIManager:Show(InKey, ...)
	-- 检查是否有函数
	local Widget = self.Widgets[InKey];
	if Widget == nil then return ; end
	table.func(Widget, "OnShowPanel", ...);
	Widget:SetVisibility(ESlateVisibility.SelfHitTestInvisible);
end

function UIManager:Hide(InKey, ...)
	-- 检查是否有函数
	local Widget = self.Widgets[InKey];
	if Widget == nil then return ; end
	table.func(Widget, "OnClosePanel", ...);
	Widget:SetVisibility(ESlateVisibility.Collapsed);
end

return UIManager;