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

local player = Players.LocalPlayer

-- ===== Defaults (all editable in the UI) =====
local DEFAULT_MIN_KPH = 69
local DEFAULT_MAX_KPH = 89
local DEFAULT_FLIP_DEG = 720          -- degrees/sec (720 = 2 full flips per second)
local FLOAT_HEIGHT = 25               -- studs above starting height
local FLIP_PAUSE = 0.25               -- seconds of level driving between flips
local SPEED_CHANGE_EVERY = 2          -- seconds between new random speeds
local STUDS_PER_METER = 1 / 0.28      -- Roblox standard: 1 stud = 0.28 m
-- =============================================

local function kphToStudsPerSec(kph)
	return (kph / 3.6) * STUDS_PER_METER
end

-- ---------- UI ----------
local gui = Instance.new("ScreenGui")
gui.Name = "MoneyFarmGui"
gui.ResetOnSpawn = false
gui.Parent = player:WaitForChild("PlayerGui")

local frame = Instance.new("Frame")
frame.Size = UDim2.new(0, 220, 0, 200)
frame.Position = UDim2.new(0.5, -110, 0, 20)
frame.BackgroundColor3 = Color3.fromRGB(25, 25, 30)
frame.BorderSizePixel = 0
frame.Active = true
frame.Parent = gui
Instance.new("UICorner", frame).CornerRadius = UDim.new(0, 10)

local titleBar = Instance.new("TextLabel")
titleBar.Size = UDim2.new(1, 0, 0, 32)
titleBar.BackgroundColor3 = Color3.fromRGB(45, 45, 55)
titleBar.BorderSizePixel = 0
titleBar.Text = "Money Farm  (drag me)"
titleBar.TextColor3 = Color3.new(1, 1, 1)
titleBar.Font = Enum.Font.GothamBold
titleBar.TextSize = 14
titleBar.Active = true
titleBar.Parent = frame
Instance.new("UICorner", titleBar).CornerRadius = UDim.new(0, 10)

local function makeRow(labelText, defaultValue, y)
	local label = Instance.new("TextLabel")
	label.Size = UDim2.new(0, 110, 0, 28)
	label.Position = UDim2.new(0, 10, 0, y)
	label.BackgroundTransparency = 1
	label.Text = labelText
	label.TextColor3 = Color3.new(1, 1, 1)
	label.Font = Enum.Font.Gotham
	label.TextSize = 13
	label.TextXAlignment = Enum.TextXAlignment.Left
	label.Parent = frame

	local box = Instance.new("TextBox")
	box.Size = UDim2.new(0, 80, 0, 28)
	box.Position = UDim2.new(1, -90, 0, y)
	box.BackgroundColor3 = Color3.fromRGB(55, 55, 65)
	box.TextColor3 = Color3.new(1, 1, 1)
	box.Font = Enum.Font.Gotham
	box.TextSize = 14
	box.Text = tostring(defaultValue)
	box.ClearTextOnFocus = false
	box.Parent = frame
	Instance.new("UICorner", box).CornerRadius = UDim.new(0, 6)
	return box
end

local minBox = makeRow("Min speed (kph)", DEFAULT_MIN_KPH, 42)
local maxBox = makeRow("Max speed (kph)", DEFAULT_MAX_KPH, 76)
local flipBox = makeRow("Flip speed (deg/s)", DEFAULT_FLIP_DEG, 110)

local button = Instance.new("TextButton")
button.Size = UDim2.new(1, -20, 0, 40)
button.Position = UDim2.new(0, 10, 0, 150)
button.BackgroundColor3 = Color3.fromRGB(40, 170, 80)
button.TextColor3 = Color3.new(1, 1, 1)
button.Font = Enum.Font.GothamBold
button.TextSize = 16
button.Text = "Start Money Farm"
button.Parent = frame
Instance.new("UICorner", button).CornerRadius = UDim.new(0, 8)

-- ---------- Dragging (mouse + touch) ----------
do
	local dragging, dragStart, startPos
	titleBar.InputBegan:Connect(function(input)
		if input.UserInputType == Enum.UserInputType.MouseButton1
			or input.UserInputType == Enum.UserInputType.Touch then
			dragging = true
			dragStart = input.Position
			startPos = frame.Position
			input.Changed:Connect(function()
				if input.UserInputState == Enum.UserInputState.End then
					dragging = false
				end
			end)
		end
	end)
	UserInputService.InputChanged:Connect(function(input)
		if dragging and (input.UserInputType == Enum.UserInputType.MouseMovement
			or input.UserInputType == Enum.UserInputType.Touch) then
			local delta = input.Position - dragStart
			frame.Position = UDim2.new(
				startPos.X.Scale, startPos.X.Offset + delta.X,
				startPos.Y.Scale, startPos.Y.Offset + delta.Y
			)
		end
	end)
end

-- ---------- Farm logic ----------
local running = false
local conn

local function readNumber(box, fallback, lo, hi)
	local n = tonumber(box.Text)
	if not n then n = fallback end
	n = math.clamp(n, lo, hi)
	box.Text = tostring(n)
	return n
end

local function getVehicleRoot()
	local char = player.Character
	local hum = char and char:FindFirstChildOfClass("Humanoid")
	local seat = hum and hum.SeatPart
	if seat then
		return seat.AssemblyRootPart or seat
	end
	return nil
end

local function stop()
	running = false
	if conn then conn:Disconnect() conn = nil end
	button.Text = "Start Money Farm"
	button.BackgroundColor3 = Color3.fromRGB(40, 170, 80)
end

local function start()
	local root = getVehicleRoot()
	if not root then
		button.Text = "Sit in a vehicle first!"
		task.delay(1.5, function()
			if not running then button.Text = "Start Money Farm" end
		end)
		return
	end

	-- Read settings at the moment you press start
	local minKph = readNumber(minBox, DEFAULT_MIN_KPH, 1, 1000)
	local maxKph = readNumber(maxBox, DEFAULT_MAX_KPH, 1, 1000)
	if minKph > maxKph then
		minKph, maxKph = maxKph, minKph
		minBox.Text, maxBox.Text = tostring(minKph), tostring(maxKph)
	end
	local flipSpeed = math.rad(readNumber(flipBox, DEFAULT_FLIP_DEG, 60, 5000))

	running = true
	button.Text = "Stop Money Farm"
	button.BackgroundColor3 = Color3.fromRGB(190, 50, 50)

	local look = root.CFrame.LookVector
	local heading = Vector3.new(look.X, 0, look.Z).Unit
	local targetY = root.Position.Y + FLOAT_HEIGHT

	local function randomSpeed()
		return kphToStudsPerSec(minKph + math.random() * (maxKph - minKph))
	end
	local speed = randomSpeed()
	local lastChange = os.clock()
	local flipAngle, pauseLeft = 0, 0

	conn = RunService.Heartbeat:Connect(function(dt)
		local r = getVehicleRoot()
		if not r then stop() return end

		if os.clock() - lastChange >= SPEED_CHANGE_EVERY then
			speed = randomSpeed()
			lastChange = os.clock()
		end

		-- Full 360 backflip around the vehicle's own right axis, then a short pause
		if pauseLeft > 0 then
			pauseLeft -= dt
		else
			local step = math.min(flipSpeed * dt, 2 * math.pi - flipAngle)
			r.CFrame = r.CFrame * CFrame.Angles(-step, 0, 0)
			flipAngle += step
			if flipAngle >= 2 * math.pi - 1e-4 then
				flipAngle = 0
				pauseLeft = FLIP_PAUSE
			end
		end

		-- Float (strong correction so heavy gravity can't pull you down) + drive forward
		local yVel = math.clamp((targetY - r.Position.Y) * 12, -150, 150)
		r.AssemblyLinearVelocity = heading * speed + Vector3.new(0, yVel, 0)
	end)
end

button.MouseButton1Click:Connect(function()
	if running then stop() else start() end
end)