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

local player = Players.LocalPlayer
local playerGui = player:WaitForChild("PlayerGui")
local fnfScreen = playerGui:WaitForChild("FNF"):WaitForChild("Screen"):WaitForChild("UI"):WaitForChild("Arrows")
local incomingArrowsFolder = fnfScreen:WaitForChild("IncomingArrows")

local binds = {
    Left = Enum.KeyCode.A,
    Down = Enum.KeyCode.S,
    Up = Enum.KeyCode.K,
    Right = Enum.KeyCode.L
}

local hitNotes = setmetatable({}, {__mode = "k"})
local activeHolds = {}
local isOn = false
local HIT_THRESHOLD = 50
local RELEASE_DELAY_MS = 15 
local GUI_NAME = "FNF_Autoplayer_GUI"

local existingGui = CoreGui:FindFirstChild(GUI_NAME) or playerGui:FindFirstChild(GUI_NAME)
if existingGui then
    existingGui:Destroy()
end

local gui = Instance.new("ScreenGui")
gui.Name = GUI_NAME
gui.ResetOnSpawn = false

local success, _ = pcall(function() gui.Parent = CoreGui end)
if not success then gui.Parent = playerGui end

local mainFrame = Instance.new("Frame")
mainFrame.Size = UDim2.new(0, 220, 0, 150) 
mainFrame.Position = UDim2.new(0.5, -110, 0.8, -75)
mainFrame.BackgroundColor3 = Color3.fromRGB(25, 25, 25)
mainFrame.BorderSizePixel = 0
mainFrame.Active = true
mainFrame.Draggable = true
mainFrame.Parent = gui

local uiCorner = Instance.new("UICorner")
uiCorner.CornerRadius = UDim.new(0, 8)
uiCorner.Parent = mainFrame

local titleLabel = Instance.new("TextLabel")
titleLabel.Size = UDim2.new(1, 0, 0, 25)
titleLabel.BackgroundTransparency = 1
titleLabel.Text = "LFNF Autoplayer"
titleLabel.TextColor3 = Color3.fromRGB(255, 255, 255)
titleLabel.Font = Enum.Font.GothamBold
titleLabel.TextSize = 14
titleLabel.Parent = mainFrame

local toggleBtn = Instance.new("TextButton")
toggleBtn.Size = UDim2.new(0, 180, 0, 30)
toggleBtn.Position = UDim2.new(0.5, -90, 0, 30)
toggleBtn.BackgroundColor3 = Color3.fromRGB(200, 50, 50)
toggleBtn.Text = "Status: OFF"
toggleBtn.TextColor3 = Color3.fromRGB(255, 255, 255)
toggleBtn.Font = Enum.Font.GothamBold
toggleBtn.TextSize = 14
toggleBtn.Parent = mainFrame

local toggleCorner = Instance.new("UICorner")
toggleCorner.CornerRadius = UDim.new(0, 6)
toggleCorner.Parent = toggleBtn

local minusDistBtn = Instance.new("TextButton")
minusDistBtn.Size = UDim2.new(0, 40, 0, 30)
minusDistBtn.Position = UDim2.new(0.5, -90, 0, 70)
minusDistBtn.BackgroundColor3 = Color3.fromRGB(45, 45, 45)
minusDistBtn.Text = "-"
minusDistBtn.TextColor3 = Color3.fromRGB(255, 255, 255)
minusDistBtn.Font = Enum.Font.GothamBold
minusDistBtn.TextSize = 18
minusDistBtn.Parent = mainFrame

local minusDistCorner = Instance.new("UICorner")
minusDistCorner.CornerRadius = UDim.new(0, 6)
minusDistCorner.Parent = minusDistBtn

local thresholdDisplay = Instance.new("TextLabel")
thresholdDisplay.Size = UDim2.new(0, 90, 0, 30)
thresholdDisplay.Position = UDim2.new(0.5, -45, 0, 70)
thresholdDisplay.BackgroundTransparency = 1
thresholdDisplay.Text = "Dist: " .. HIT_THRESHOLD
thresholdDisplay.TextColor3 = Color3.fromRGB(200, 200, 200)
thresholdDisplay.Font = Enum.Font.Gotham
thresholdDisplay.TextSize = 14
thresholdDisplay.Parent = mainFrame

local plusDistBtn = Instance.new("TextButton")
plusDistBtn.Size = UDim2.new(0, 40, 0, 30)
plusDistBtn.Position = UDim2.new(0.5, 50, 0, 70)
plusDistBtn.BackgroundColor3 = Color3.fromRGB(45, 45, 45)
plusDistBtn.Text = "+"
plusDistBtn.TextColor3 = Color3.fromRGB(255, 255, 255)
plusDistBtn.Font = Enum.Font.GothamBold
plusDistBtn.TextSize = 18
plusDistBtn.Parent = mainFrame

local plusDistCorner = Instance.new("UICorner")
plusDistCorner.CornerRadius = UDim.new(0, 6)
plusDistCorner.Parent = plusDistBtn

local minusMsBtn = Instance.new("TextButton")
minusMsBtn.Size = UDim2.new(0, 40, 0, 30)
minusMsBtn.Position = UDim2.new(0.5, -90, 0, 110)
minusMsBtn.BackgroundColor3 = Color3.fromRGB(45, 45, 45)
minusMsBtn.Text = "-"
minusMsBtn.TextColor3 = Color3.fromRGB(255, 255, 255)
minusMsBtn.Font = Enum.Font.GothamBold
minusMsBtn.TextSize = 18
minusMsBtn.Parent = mainFrame

local minusMsCorner = Instance.new("UICorner")
minusMsCorner.CornerRadius = UDim.new(0, 6)
minusMsCorner.Parent = minusMsBtn

local msDisplay = Instance.new("TextLabel")
msDisplay.Size = UDim2.new(0, 90, 0, 30)
msDisplay.Position = UDim2.new(0.5, -45, 0, 110)
msDisplay.BackgroundTransparency = 1
msDisplay.Text = "MS: " .. RELEASE_DELAY_MS
msDisplay.TextColor3 = Color3.fromRGB(200, 200, 200)
msDisplay.Font = Enum.Font.Gotham
msDisplay.TextSize = 14
msDisplay.Parent = mainFrame

local plusMsBtn = Instance.new("TextButton")
plusMsBtn.Size = UDim2.new(0, 40, 0, 30)
plusMsBtn.Position = UDim2.new(0.5, 50, 0, 110)
plusMsBtn.BackgroundColor3 = Color3.fromRGB(45, 45, 45)
plusMsBtn.Text = "+"
plusMsBtn.TextColor3 = Color3.fromRGB(255, 255, 255)
plusMsBtn.Font = Enum.Font.GothamBold
plusMsBtn.TextSize = 18
plusMsBtn.Parent = mainFrame

local plusMsCorner = Instance.new("UICorner")
plusMsCorner.CornerRadius = UDim.new(0, 6)
plusMsCorner.Parent = plusMsBtn

toggleBtn.MouseButton1Click:Connect(function()
    isOn = not isOn
    if isOn then
        toggleBtn.BackgroundColor3 = Color3.fromRGB(50, 200, 50)
        toggleBtn.Text = "Status: ON"
    else
        toggleBtn.BackgroundColor3 = Color3.fromRGB(200, 50, 50)
        toggleBtn.Text = "Status: OFF"
        for keycode, _ in pairs(activeHolds) do
            VirtualInputManager:SendKeyEvent(false, keycode, false, game)
        end
        table.clear(activeHolds)
    end
end)

local function getIncrement()
    if UserInputService:IsKeyDown(Enum.KeyCode.LeftControl) or UserInputService:IsKeyDown(Enum.KeyCode.RightControl) then
        return 10
    end
    return 1
end

minusDistBtn.MouseButton1Click:Connect(function()
    HIT_THRESHOLD = math.max(1, HIT_THRESHOLD - getIncrement())
    thresholdDisplay.Text = "Dist: " .. HIT_THRESHOLD
end)

plusDistBtn.MouseButton1Click:Connect(function()
    HIT_THRESHOLD = HIT_THRESHOLD + getIncrement()
    thresholdDisplay.Text = "Dist: " .. HIT_THRESHOLD
end)

minusMsBtn.MouseButton1Click:Connect(function()
    RELEASE_DELAY_MS = RELEASE_DELAY_MS - getIncrement()
    msDisplay.Text = "MS: " .. RELEASE_DELAY_MS
end)

plusMsBtn.MouseButton1Click:Connect(function()
    RELEASE_DELAY_MS = RELEASE_DELAY_MS + getIncrement()
    msDisplay.Text = "MS: " .. RELEASE_DELAY_MS
end)

local function getSusFrame(note)
    local frame = note:FindFirstChild("Frame")
    if frame then
        return frame:FindFirstChild("Sus") or frame:FindFirstChild("sus")
    end
    return nil
end

RunService.RenderStepped:Connect(function()
    if not isOn then return end

    for keycode, note in pairs(activeHolds) do
        local releaseKey = false
        
        if not note or not note.Parent then
            releaseKey = true
        else
            local sus = getSusFrame(note)
            if not sus or sus.AbsoluteSize.Y <= 1 then
                releaseKey = true
            end
        end

        if releaseKey then
            VirtualInputManager:SendKeyEvent(false, keycode, false, game)
            activeHolds[keycode] = nil
        end
    end

    for directionName, keycode in pairs(binds) do
        local receptor = fnfScreen:FindFirstChild(directionName)
        local incomingDirFolder = incomingArrowsFolder:FindFirstChild(directionName)

        if receptor and incomingDirFolder then
            local receptorPos = receptor.AbsolutePosition
            local bestNote = nil
            local minDistance = HIT_THRESHOLD

            for _, note in ipairs(incomingDirFolder:GetChildren()) do
                if note:IsA("GuiObject") and note.Visible and not hitNotes[note] then
                    local notePos = note.AbsolutePosition
                    local distance = (notePos - receptorPos).Magnitude

                    if distance <= minDistance then
                        minDistance = distance
                        bestNote = note
                    end
                end
            end

            if bestNote then
                hitNotes[bestNote] = true
                
                VirtualInputManager:SendKeyEvent(false, keycode, false, game)
                VirtualInputManager:SendKeyEvent(true, keycode, false, game)
                
                local sus = getSusFrame(bestNote)
                
                if sus and sus.AbsoluteSize.Y > 1 then
                    activeHolds[keycode] = bestNote
                else
                    
                    task.delay(RELEASE_DELAY_MS / 1000, function()
                        if activeHolds[keycode] == nil then
                            VirtualInputManager:SendKeyEvent(false, keycode, false, game)
                        end
                    end)
                end
            end
        end
    end
end)