local Players = game:GetService("Players")
local LocalPlayer = Players.LocalPlayer
local RunService = game:GetService("RunService")

local OPTIONS = {
    InfiniteAmmo = true,
    Highlight = true,
}

local highlights = {}
local connections = {}
local minimized = false
local running = true

local function getWeapon()
    if LocalPlayer.Character then
        for _, tool in ipairs(LocalPlayer.Character:GetChildren()) do
            if tool:IsA("Tool") then return tool end
        end
    end
end

local ammoConn = RunService.Heartbeat:Connect(function()
    if not OPTIONS.InfiniteAmmo then return end
    local weapon = getWeapon()
    if not weapon then return end

    local ammoFolder = weapon:FindFirstChild("Ammo")
    if ammoFolder then
        local magAmmo = ammoFolder:FindFirstChild("MagAmmo")
        if magAmmo and magAmmo:IsA("IntValue") then
            local mx = 9999
            pcall(function() mx = magAmmo.Max end)
            if magAmmo.Value < mx then magAmmo.Value = mx end
        end

        local arcadePool = ammoFolder:FindFirstChild("ArcadeAmmoPool")
        if arcadePool and arcadePool:IsA("IntValue") then
            local mx = 3000
            pcall(function() mx = arcadePool.Max end)
            if arcadePool.Value < mx then arcadePool.Value = mx end
        end
    end

    local chambered = weapon:FindFirstChild("Chambered")
    if chambered and chambered:IsA("BoolValue") then
        chambered.Value = true
    end

    local boltReady = weapon:FindFirstChild("BoltReady")
    if boltReady and boltReady:IsA("BoolValue") then
        boltReady.Value = true
    end
end)

local function isTeammate(player)
    return LocalPlayer.Team and player.Team == LocalPlayer.Team
end

local function getTeamColor(player)
    if player.Team then return player.Team.TeamColor.Color end
    return Color3.fromRGB(255, 0, 0)
end

local function removeHighlight(player)
    if highlights[player] then
        pcall(function() highlights[player]:Destroy() end)
        highlights[player] = nil
    end
end

local function createHighlight(player)
    if player == LocalPlayer or not player.Character then return end
    removeHighlight(player)

    local hl = Instance.new("Highlight")
    hl.Name = "MODHighlight"
    hl.Adornee = player.Character

    if isTeammate(player) then
        hl.FillColor = Color3.fromRGB(0, 255, 0)
        hl.OutlineColor = Color3.fromRGB(0, 200, 0)
    else
        local c = getTeamColor(player)
        hl.FillColor = c
        hl.OutlineColor = c
    end

    hl.FillTransparency = 0.6
    hl.OutlineTransparency = 0
    hl.DepthMode = Enum.HighlightDepthMode.AlwaysOnTop
    hl.Parent = player.Character
    highlights[player] = hl
end

local function clearAllHighlights()
    for player in pairs(highlights) do removeHighlight(player) end
end

local function initHighlights()
    for _, player in ipairs(Players:GetPlayers()) do
        if player ~= LocalPlayer then
            if player.Character then createHighlight(player) end
            local c = player.CharacterAdded:Connect(function()
                task.wait(0.5)
                if OPTIONS.Highlight then createHighlight(player) end
            end)
            table.insert(connections, c)
        end
    end
end

table.insert(connections, Players.PlayerAdded:Connect(function(player)
    local c = player.CharacterAdded:Connect(function()
        task.wait(0.5)
        if OPTIONS.Highlight then createHighlight(player) end
    end)
    table.insert(connections, c)
end))

table.insert(connections, Players.PlayerRemoving:Connect(removeHighlight))

task.spawn(function()
    while running do
        task.wait(5)
        if OPTIONS.Highlight then
            for player, hl in pairs(highlights) do
                if hl and hl.Parent and player.Character then
                    if isTeammate(player) then
                        hl.FillColor = Color3.fromRGB(0, 255, 0)
                        hl.OutlineColor = Color3.fromRGB(0, 200, 0)
                    else
                        local c = getTeamColor(player)
                        hl.FillColor = c
                        hl.OutlineColor = c
                    end
                else
                    removeHighlight(player)
                end
            end
        end
    end
end)

local function stopScript()
    running = false
    pcall(function() ammoConn:Disconnect() end)
    for _, c in pairs(connections) do pcall(function() c:Disconnect() end) end
    clearAllHighlights()
    local gui = LocalPlayer.PlayerGui:FindFirstChild("SPHGunModifier")
    if gui then gui:Destroy() end
end

if LocalPlayer.PlayerGui:FindFirstChild("SPHGunModifier") then
    LocalPlayer.PlayerGui.SPHGunModifier:Destroy()
end

local ScreenGui = Instance.new("ScreenGui")
ScreenGui.Name = "SPHGunModifier"
ScreenGui.ResetOnSpawn = false
ScreenGui.ZIndexBehavior = Enum.ZIndexBehavior.Sibling
ScreenGui.Parent = LocalPlayer.PlayerGui

local Frame = Instance.new("Frame")
Frame.Name = "MainFrame"
Frame.Size = UDim2.new(0, 200, 0, 160)
Frame.Position = UDim2.new(0, 10, 0.4, 0)
Frame.BackgroundColor3 = Color3.fromRGB(45, 45, 45)
Frame.BorderSizePixel = 0
Frame.Active = true
Frame.Draggable = true
Frame.Parent = ScreenGui
Instance.new("UICorner", Frame).CornerRadius = UDim.new(0, 6)

local TitleBar = Instance.new("Frame")
TitleBar.Size = UDim2.new(1, 0, 0, 30)
TitleBar.BackgroundColor3 = Color3.fromRGB(35, 35, 35)
TitleBar.BorderSizePixel = 0
TitleBar.Parent = Frame
Instance.new("UICorner", TitleBar).CornerRadius = UDim.new(0, 6)

local TitleText = Instance.new("TextLabel")
TitleText.Size = UDim2.new(1, -60, 1, 0)
TitleText.Position = UDim2.new(0, 10, 0, 0)
TitleText.BackgroundTransparency = 1
TitleText.TextColor3 = Color3.fromRGB(200, 200, 200)
TitleText.Text = "SPH Gun Modifier"
TitleText.Font = Enum.Font.GothamBold
TitleText.TextSize = 13
TitleText.TextXAlignment = Enum.TextXAlignment.Left
TitleText.Parent = TitleBar

local MinBtn = Instance.new("TextButton")
MinBtn.Size = UDim2.new(0, 24, 0, 24)
MinBtn.Position = UDim2.new(1, -54, 0, 3)
MinBtn.BackgroundColor3 = Color3.fromRGB(70, 70, 70)
MinBtn.TextColor3 = Color3.fromRGB(200, 200, 200)
MinBtn.Text = "-"
MinBtn.Font = Enum.Font.GothamBold
MinBtn.TextSize = 16
MinBtn.BorderSizePixel = 0
MinBtn.Parent = TitleBar
Instance.new("UICorner", MinBtn).CornerRadius = UDim.new(0, 4)

local CloseBtn = Instance.new("TextButton")
CloseBtn.Size = UDim2.new(0, 24, 0, 24)
CloseBtn.Position = UDim2.new(1, -27, 0, 3)
CloseBtn.BackgroundColor3 = Color3.fromRGB(90, 45, 45)
CloseBtn.TextColor3 = Color3.fromRGB(200, 200, 200)
CloseBtn.Text = "×"
CloseBtn.Font = Enum.Font.GothamBold
CloseBtn.TextSize = 13
CloseBtn.BorderSizePixel = 0
CloseBtn.Parent = TitleBar
Instance.new("UICorner", CloseBtn).CornerRadius = UDim.new(0, 4)

local ContentFrame = Instance.new("Frame")
ContentFrame.Size = UDim2.new(1, 0, 1, -30)
ContentFrame.Position = UDim2.new(0, 0, 0, 30)
ContentFrame.BackgroundTransparency = 1
ContentFrame.Parent = Frame

local Divider = Instance.new("Frame")
Divider.Size = UDim2.new(1, -20, 0, 1)
Divider.Position = UDim2.new(0, 10, 0, 0)
Divider.BackgroundColor3 = Color3.fromRGB(60, 60, 60)
Divider.BorderSizePixel = 0
Divider.Parent = ContentFrame

local buttonData = {
    {name = "Infinite Ammo", option = "InfiniteAmmo", y = 10},
    {name = "Highlight ESP", option = "Highlight", y = 65},
}

local function makeButton(data)
    local container = Instance.new("Frame")
    container.Size = UDim2.new(1, -20, 0, 46)
    container.Position = UDim2.new(0, 10, 0, data.y)
    container.BackgroundColor3 = Color3.fromRGB(38, 38, 38)
    container.BorderSizePixel = 0
    container.Parent = ContentFrame
    Instance.new("UICorner", container).CornerRadius = UDim.new(0, 5)

    local label = Instance.new("TextLabel")
    label.Size = UDim2.new(1, -60, 1, 0)
    label.Position = UDim2.new(0, 12, 0, 0)
    label.BackgroundTransparency = 1
    label.TextColor3 = Color3.fromRGB(210, 210, 210)
    label.Text = data.name
    label.Font = Enum.Font.Gotham
    label.TextSize = 13
    label.TextXAlignment = Enum.TextXAlignment.Left
    label.Parent = container

    local toggleBg = Instance.new("Frame")
    toggleBg.Size = UDim2.new(0, 36, 0, 20)
    toggleBg.Position = UDim2.new(1, -46, 0.5, -10)
    toggleBg.BackgroundColor3 = OPTIONS[data.option]
        and Color3.fromRGB(80, 80, 80)
        or Color3.fromRGB(55, 55, 55)
    toggleBg.BorderSizePixel = 0
    toggleBg.Parent = container
    Instance.new("UICorner", toggleBg).CornerRadius = UDim.new(1, 0)

    local toggleDot = Instance.new("Frame")
    toggleDot.Size = UDim2.new(0, 14, 0, 14)
    toggleDot.Position = OPTIONS[data.option]
        and UDim2.new(1, -17, 0.5, -7)
        or UDim2.new(0, 3, 0.5, -7)
    toggleDot.BackgroundColor3 = OPTIONS[data.option]
        and Color3.fromRGB(220, 220, 220)
        or Color3.fromRGB(120, 120, 120)
    toggleDot.BorderSizePixel = 0
    toggleDot.Parent = toggleBg
    Instance.new("UICorner", toggleDot).CornerRadius = UDim.new(1, 0)

    local btn = Instance.new("TextButton")
    btn.Size = UDim2.new(1, 0, 1, 0)
    btn.BackgroundTransparency = 1
    btn.Text = ""
    btn.Parent = container

    btn.MouseButton1Click:Connect(function()
        OPTIONS[data.option] = not OPTIONS[data.option]
        local on = OPTIONS[data.option]

        toggleBg.BackgroundColor3 = on
            and Color3.fromRGB(80, 80, 80)
            or Color3.fromRGB(55, 55, 55)
        toggleDot.Position = on
            and UDim2.new(1, -17, 0.5, -7)
            or UDim2.new(0, 3, 0.5, -7)
        toggleDot.BackgroundColor3 = on
            and Color3.fromRGB(220, 220, 220)
            or Color3.fromRGB(120, 120, 120)

        if data.option == "Highlight" then
            if on then initHighlights() else clearAllHighlights() end
        end
    end)
end

for _, data in ipairs(buttonData) do makeButton(data) end

MinBtn.MouseButton1Click:Connect(function()
    minimized = not minimized
    ContentFrame.Visible = not minimized
    Frame.Size = minimized
        and UDim2.new(0, 200, 0, 30)
        or UDim2.new(0, 200, 0, 160)
    MinBtn.Text = minimized and "+" or "-"
end)

CloseBtn.MouseButton1Click:Connect(stopScript)

initHighlights()