-- =============================================================================
-- FUNKY FRIDAY - 4K Toggle Edition
-- =============================================================================

local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local UserInputService = game:GetService("UserInputService")

-- CONFIGURATION
local CONFIG = {
    ToggleKey = Enum.KeyCode.Insert,
    NormalPerf = 3,      -- Normal quality
    LagPerf = 5,         -- Emergency mode when lagging
    LagThreshold = 0.025 -- React if frame > 25ms
}

-- State
local Core = nil
local Connection = nil
local CurrentPerf = CONFIG.NormalPerf
local IsPlaying = true
local LastCheck = 0

-- Cleanup previous
if getgenv().FFCleanup then pcall(getgenv().FFCleanup) end

-- =============================================================================
-- LOAD & INIT
-- =============================================================================

local success, lib = pcall(function()
    return loadstring(game:HttpGet("https://raw.githubusercontent.com/Null-Cherry/Null-Fire/refs/heads/main/Core/Loaders/Funky-Friday/Autoplay.lua", true))()
end)

if not success or type(lib) ~= "table" then
    warn("[FF] Failed to load library")
    return
end

Core = lib

-- Initialize (4-key defaults)
Core.AutoPlay = true
Core.PerfectSick = 1
Core.Performance = CONFIG.NormalPerf
Core.MoreStats = false

-- =============================================================================
-- TOGGLE
-- =============================================================================

local function Toggle()
    if not Core then return end
    IsPlaying = not IsPlaying
    Core.AutoPlay = IsPlaying
    
    if IsPlaying then
        Core.Performance = CurrentPerf
        print("[FF] ON")
    else
        Core.Performance = 0
        print("[FF] OFF")
    end
end

UserInputService.InputBegan:Connect(function(input, gameProcessed)
    if gameProcessed then return end
    if input.KeyCode == CONFIG.ToggleKey then
        Toggle()
    end
end)

-- =============================================================================
-- MAIN LOOP (Lag Detection)
-- =============================================================================

Connection = RunService.Heartbeat:Connect(function()
    if not IsPlaying then return end
    
    local now = tick()
    if now - LastCheck < 0.1 then return end
    LastCheck = now
    
    -- Check frame time
    local delta = RunService.Heartbeat:Wait()
    
    -- Lag detected - drop quality immediately
    if delta > CONFIG.LagThreshold and CurrentPerf ~= CONFIG.LagPerf then
        CurrentPerf = CONFIG.LagPerf
        Core.Performance = CONFIG.LagPerf
        Core.MoreStats = false
        
    -- Recovered - restore quality
    elseif delta < 0.018 and CurrentPerf ~= CONFIG.NormalPerf then
        CurrentPerf = CONFIG.NormalPerf
        Core.Performance = CONFIG.NormalPerf
    end
    
    -- Safety check
    if not Core.AutoPlay then Core.AutoPlay = true end
end)

-- =============================================================================
-- CLEANUP
-- =============================================================================

getgenv().FFCleanup = function()
    if Connection then Connection:Disconnect() end
    Connection = nil
    Core = nil
    IsPlaying = false
end

Players.LocalPlayer.CharacterRemoving:Connect(getgenv().FFCleanup)

print("[FF] 4-Key Loaded | Press " .. CONFIG.ToggleKey.Name .. " to toggle")