local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local player = Players.LocalPlayer
local enemiesFolder = workspace:WaitForChild("Enemys")

-- --- GUI Setup ---
local screenGui = Instance.new("ScreenGui")
screenGui.Name = "EnemyAimGUI"
screenGui.ResetOnSpawn = false
screenGui.Parent = player:WaitForChild("PlayerGui")

local mainFrame = Instance.new("Frame")
mainFrame.Size = UDim2.new(0, 500, 0, 340) -- taller for slider
mainFrame.Position = UDim2.new(0.3, 0, 0.3, 0)
mainFrame.BackgroundColor3 = Color3.fromRGB(40, 40, 40)
mainFrame.Active = true
mainFrame.Draggable = true
mainFrame.Parent = screenGui

local uiCorner = Instance.new("UICorner")
uiCorner.CornerRadius = UDim.new(0, 12)
uiCorner.Parent = mainFrame

-- Universal Auto Aim button at top
local universalButton = Instance.new("TextButton")
universalButton.Size = UDim2.new(0, 480, 0, 40)
universalButton.Position = UDim2.new(0, 10, 0, 10)
universalButton.BackgroundColor3 = Color3.fromRGB(70,70,70)
universalButton.TextColor3 = Color3.fromRGB(255,255,255)
universalButton.Text = "Universal Auto Aim Off"
universalButton.Parent = mainFrame

local universalAutoAim = false
universalButton.MouseButton1Click:Connect(function()
    universalAutoAim = not universalAutoAim
    universalButton.Text = universalAutoAim and "Universal Auto Aim On" or "Universal Auto Aim Off"
end)

-- Left panel for enemy buttons
local leftPanel = Instance.new("Frame")
leftPanel.Size = UDim2.new(0, 200, 1, -60)
leftPanel.Position = UDim2.new(0, 10, 0, 60)
leftPanel.BackgroundTransparency = 1
leftPanel.Parent = mainFrame

local leftScroll = Instance.new("ScrollingFrame")
leftScroll.Size = UDim2.new(1, 0, 1, 0)
leftScroll.CanvasSize = UDim2.new(0,0,0,0)
leftScroll.ScrollBarThickness = 6
leftScroll.BackgroundTransparency = 1
leftScroll.Parent = leftPanel

local leftLayout = Instance.new("UIListLayout")
leftLayout.Padding = UDim.new(0,5)
leftLayout.Parent = leftScroll

local enemyButtons = {}
local selectedEnemy = nil

-- Right panel for Silent Aim and Prediction
local rightPanel = Instance.new("Frame")
rightPanel.Size = UDim2.new(0, 280, 1, -60)
rightPanel.Position = UDim2.new(0, 210, 0, 60)
rightPanel.BackgroundColor3 = Color3.fromRGB(60,60,60)
rightPanel.Visible = false
rightPanel.Parent = mainFrame

local uiCorner2 = Instance.new("UICorner")
uiCorner2.CornerRadius = UDim.new(0, 12)
uiCorner2.Parent = rightPanel

-- Silent Aim Label
local silentTitle = Instance.new("TextLabel")
silentTitle.Size = UDim2.new(1, -20, 0, 40)
silentTitle.Position = UDim2.new(0, 10, 0, 10)
silentTitle.BackgroundTransparency = 1
silentTitle.TextColor3 = Color3.fromRGB(255,255,255)
silentTitle.Font = Enum.Font.SourceSansBold
silentTitle.TextScaled = true
silentTitle.Text = "Silent Aim"
silentTitle.Parent = rightPanel

-- Silent Aim toggle
local fireButton = Instance.new("TextButton")
fireButton.Size = UDim2.new(0, 260, 0, 50)
fireButton.Position = UDim2.new(0, 10, 0, 60)
fireButton.BackgroundColor3 = Color3.fromRGB(90,90,90)
fireButton.TextColor3 = Color3.fromRGB(255,255,255)
fireButton.Text = "Silent Aim Off"
fireButton.Parent = rightPanel

local silentAimEnabled = false
fireButton.MouseButton1Click:Connect(function()
    silentAimEnabled = not silentAimEnabled
    fireButton.Text = silentAimEnabled and "Silent Aim On" or "Silent Aim Off"
end)

-- Prediction Slider Label
local predLabel = Instance.new("TextLabel")
predLabel.Size = UDim2.new(1, -20, 0, 30)
predLabel.Position = UDim2.new(0, 10, 0, 120)
predLabel.BackgroundTransparency = 1
predLabel.TextColor3 = Color3.fromRGB(255,255,255)
predLabel.Font = Enum.Font.SourceSans
predLabel.TextScaled = true
predLabel.Text = "Prediction: 0.5"
predLabel.Parent = rightPanel

-- Prediction Slider
local predSlider = Instance.new("TextButton")
predSlider.Size = UDim2.new(0, 260, 0, 20)
predSlider.Position = UDim2.new(0, 10, 0, 155)
predSlider.BackgroundColor3 = Color3.fromRGB(120,120,120)
predSlider.Text = ""
predSlider.Parent = rightPanel

local predictionValue = 0.5
local dragging = false

predSlider.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 then
        dragging = true
    end
end)

predSlider.InputEnded:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 then
        dragging = false
    end
end)

predSlider.InputChanged:Connect(function(input)
    if dragging and input.UserInputType == Enum.UserInputType.MouseMovement then
        local mouseX = input.Position.X - predSlider.AbsolutePosition.X
        predictionValue = math.clamp(mouseX / predSlider.AbsoluteSize.X, 0.1, 1)
        predLabel.Text = string.format("Prediction: %.2f", predictionValue)
    end
end)

-- Fire tool at selected enemy
local function onToolActivated(tool)
    if not silentAimEnabled then return end
    if not selectedEnemy then return end

    -- RemoteEvent targeting Head
    local remote = tool:FindFirstChildWhichIsA("RemoteEvent")
    if remote then
        local head = selectedEnemy:FindFirstChild("Head")
        if head then
            remote:FireServer(head.CFrame, head.Position.Y, head.Position.Z)
        end
    end

    -- FrameEvent targeting Torso with prediction
    local scriptFolder = tool:FindFirstChild("Script")
    if scriptFolder then
        local frameEvent = scriptFolder:FindFirstChild("FrameEvent")
        if frameEvent and frameEvent:IsA("RemoteEvent") then
            local torso = selectedEnemy:FindFirstChild("Torso") or selectedEnemy:FindFirstChild("UpperTorso")
            if torso then
                local predictedPos = torso.Position + (torso.Velocity or Vector3.new()) * predictionValue
                frameEvent:FireServer(predictedPos.X, predictedPos.Y, predictedPos.Z)
            end
        end
    end
end

-- Connect tool activation dynamically
local function connectTool(tool)
    if tool:IsA("Tool") then
        tool.Activated:Connect(function()
            onToolActivated(tool)
        end)
    end
end

-- Detect equipped tools
player.Character.ChildAdded:Connect(function(child)
    connectTool(child)
end)

-- Connect currently held tools at start
if player.Character then
    for _, tool in pairs(player.Character:GetChildren()) do
        connectTool(tool)
    end
end

-- Refresh enemy buttons
local function refreshEnemyButtons()
    local char = player.Character
    if not char or not char:FindFirstChild("HumanoidRootPart") then return end
    local rootPos = char.HumanoidRootPart.Position

    local nearestEnemy = nil
    local minDist = math.huge

    for _, enemy in pairs(enemiesFolder:GetChildren()) do
        local head = enemy:FindFirstChild("Head")
        if head then
            local distance = (head.Position - rootPos).Magnitude
            if distance <= 150 then
                if distance < minDist then
                    nearestEnemy = enemy
                    minDist = distance
                end
                local btn = enemyButtons[enemy]
                if not btn then
                    btn = Instance.new("TextButton")
                    btn.Size = UDim2.new(1, -10, 0, 30)
                    btn.BackgroundColor3 = Color3.fromRGB(70,70,70)
                    btn.TextColor3 = Color3.fromRGB(255,255,255)
                    btn.Parent = leftScroll

                    local corner = Instance.new("UICorner")
                    corner.CornerRadius = UDim.new(0,6)
                    corner.Parent = btn

                    btn.MouseButton1Click:Connect(function()
                        selectedEnemy = enemy
                        silentTitle.Text = "Silent Aim: "..enemy.Name
                        rightPanel.Visible = true
                    end)

                    enemyButtons[enemy] = btn
                end
                btn.Text = enemy.Name.." ("..math.floor(distance).." studs)"
            else
                if enemyButtons[enemy] then
                    enemyButtons[enemy]:Destroy()
                    enemyButtons[enemy] = nil
                end
            end
        end
    end

    -- Universal Auto Aim sets nearest enemy
    if universalAutoAim and nearestEnemy then
        selectedEnemy = nearestEnemy
        rightPanel.Visible = true
    end

    -- Remove buttons for destroyed enemies
    for e, btn in pairs(enemyButtons) do
        if not e.Parent then
            btn:Destroy()
            enemyButtons[e] = nil
        end
    end

    leftScroll.CanvasSize = UDim2.new(0,0,0,leftLayout.AbsoluteContentSize.Y)
end

-- Highlight selected enemy button
local function updateEnemyHighlight()
    for enemy, btn in pairs(enemyButtons) do
        if enemy == selectedEnemy then
            btn.BackgroundColor3 = Color3.fromRGB(255,0,0)
        else
            btn.BackgroundColor3 = Color3.fromRGB(70,70,70)
        end
    end
end

-- Run updates every frame
RunService.RenderStepped:Connect(function()
    refreshEnemyButtons()
    updateEnemyHighlight()
end)