-- This is the same as Icon.new(), except it adds additional behaviour for certain specified names designed to mimic core icons, such as 'Chat'

function Icon.mimic(coreIconToMimic)
	local iconName = coreIconToMimic.."Mimic"
	local icon = IconController.getIcon(iconName)
	if icon then
		return icon
	end
	icon = Icon.new()
	icon:setName(iconName)

	if coreIconToMimic == "Chat" then
		icon:setOrder(-1)
		icon:setImage("rbxasset://textures/ui/TopBar/chatOff.png", "deselected")
		icon:setImage("rbxasset://textures/ui/TopBar/chatOn.png", "selected")
		icon:setImageYScale(0.625)
		-- Since roblox's core gui api sucks melons I reverted to listening for signals within the chat modules
		-- unfortunately however they've just gone and removed *these* signals therefore 
		-- this mimic chat and similar features are now impossible to recreate accurately, so I'm disabling for now
		-- ill go ahead and post a feature request; fingers crossed we get something by the next decade

		--[[
		-- Setup maid and cleanup actioon
		local maid = icon._maid
		icon._fakeChatMaid = maid:give(Maid.new())
		maid.chatMimicCleanup = function()
			starterGui:SetCoreGuiEnabled("Chat", icon.enabled)
		end
		-- Tap into chat module
		local chatMainModule = players.LocalPlayer.PlayerScripts:WaitForChild("ChatScript").ChatMain
		local ChatMain = require(chatMainModule)
		local function displayChatBar(visibility)
			icon.ignoreVisibilityStateChange = true
			ChatMain.CoreGuiEnabled:fire(visibility)
			ChatMain.IsCoreGuiEnabled = false
			ChatMain:SetVisible(visibility)
			icon.ignoreVisibilityStateChange = nil
		end
		local function setIconEnabled(visibility)
			icon.ignoreVisibilityStateChange = true
			ChatMain.CoreGuiEnabled:fire(visibility)
			icon:setEnabled(visibility)
			starterGui:SetCoreGuiEnabled("Chat", false)
			icon:deselect()
			icon.updated:Fire()
			icon.ignoreVisibilityStateChange = nil
		end
		-- Open chat via Slash key
		icon._fakeChatMaid:give(userInputService.InputEnded:Connect(function(inputObject, gameProcessedEvent)
			if gameProcessedEvent then
				return "Another menu has priority"
			elseif not(inputObject.KeyCode == Enum.KeyCode.Slash or inputObject.KeyCode == Enum.SpecialKey.ChatHotkey) then
				return "No relavent key pressed"
			elseif ChatMain.IsFocused() then
				return "Chat bar already open"
			elseif not icon.enabled then
				return "Icon disabled"
			end
			ChatMain:FocusChatBar(true)
			icon:select()
		end))
		-- ChatActive
		icon._fakeChatMaid:give(ChatMain.VisibilityStateChanged:Connect(function(visibility)
			if not icon.ignoreVisibilityStateChange then
				if visibility == true then
					icon:select()
				else
					icon:deselect()
				end
			end
		end))
		-- Keep when other icons selected
		icon.deselectWhenOtherIconSelected = false
		-- Mimic chat notifications
		icon._fakeChatMaid:give(ChatMain.MessagesChanged:connect(function()
			if ChatMain:GetVisibility() == true then
				return "ChatWindow was open"
			end
			icon:notify(icon.selected)
		end))
		-- Mimic visibility when StarterGui:SetCoreGuiEnabled(Enum.CoreGuiType.Chat, state) is called
		coroutine.wrap(function()
			runService.Heartbeat:Wait()
			icon._fakeChatMaid:give(ChatMain.CoreGuiEnabled:connect(function(newState)
				if icon.ignoreVisibilityStateChange then
					return "ignoreVisibilityStateChange enabled"
				end
				local topbarEnabled = starterGui:GetCore("TopbarEnabled")
				if topbarEnabled ~= IconController.previousTopbarEnabled then
					return "SetCore was called instead of SetCoreGuiEnabled"
				end
				if not icon.enabled and userInputService:IsKeyDown(Enum.KeyCode.LeftShift) and userInputService:IsKeyDown(Enum.KeyCode.P) then
					icon:setEnabled(true)
				else
					setIconEnabled(newState)
				end
			end))
		end)()
		icon.deselected:Connect(function()
			displayChatBar(false)
		end)
		icon.selected:Connect(function()
			displayChatBar(true)
		end)
		setIconEnabled(starterGui:GetCoreGuiEnabled("Chat"))
		--]]
	end
	return icon
end


