local plr = game:GetService("Players")
local rs  = game:GetService("RunService")
local sg  = game:GetService("StarterGui")
local lp  = plr.LocalPlayer

local re = game.ReplicatedStorage.Knit.Knit.Services.NanamiService.RE
local ra = re.RightActivated
local fx = re.Effects

local sweet = 0.70
local lead  = 0.02
local slack = 0.005
local on    = true
local pend  = nil

local duck = "rbxassetid://71109437053861"

local function notif(title, txt, ico, dur)
	task.spawn(function()
		local ok = false
		for _ = 1, 8 do
			ok = pcall(function()
				sg:SetCore("SendNotification", {
					Title = title,
					Text = txt,
					Icon = ico,
					Duration = dur or 5,
				})
			end)
			if ok then break end
			task.wait(0.4)
		end
	end)
end

task.defer(function()
	notif("Auto Ratio", "By Dyinka", duck, 6)
end)

local function isMe(who)
	if not who then return false end
	if typeof(who) == "Instance" then
		return who == lp or (who:IsA("Model") and who.Name == lp.Name)
	end
	return false
end

local function pingS()
	local ok, st = pcall(function() return game:GetService("Stats") end)
	if not ok then return 0 end
	local net = st.Network
	local srv = net and net.ServerStatsItem
	local it  = srv and srv["Data Ping"]
	if not it then return 0 end
	local ok2, s = pcall(function() return it:GetValueString() end)
	if not ok2 or type(s) ~= "string" then return 0 end
	local ms = tonumber(s:match("([%d%.]+)"))
	return ms and (ms / 1000) or 0
end

fx.OnClientEvent:Connect(function(eff, who, tgt, gui, b, dur, sT)
	if not isMe(who) then return end
	if eff ~= "SpawnRatio" then return end
	if type(dur) ~= "number" or type(sT) ~= "number" then return end
	local p = pingS()
	local l = lead
	if p > 0 then
		l = math.max(lead, (p * 0.5) / dur + slack)
	end
	pend = sT + (sweet - l) * dur
end)

rs.Heartbeat:Connect(function()
	if not on or not pend then return end
	if workspace:GetServerTimeNow() >= pend then
		pend = nil
		ra:FireServer(nil)
	end
end)

getgenv().AutoRatio = {
	toggle = function(v) on    = (v ~= false) end,
	sweet  = function(v) sweet = v            end,
	lead   = function(v) lead  = v            end,
}