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

local player = Players.LocalPlayer
local camera = workspace.CurrentCamera

-- ══════════════════════════════════════════
--  CONFIG
-- ══════════════════════════════════════════
local TOGGLE_KEY   = Enum.KeyCode.F
local NORMAL_SPEED = 50
local FAST_SPEED   = 150  -- Left Shift
local SLOW_SPEED   = 15   -- Left Ctrl

-- ══════════════════════════════════════════
--  STATE
-- ══════════════════════════════════════════
local freecamActive    = false
local camCFrame        = CFrame.new(0, 10, 0)
local velocity         = Vector3.new()
local pitch, yaw       = 0, 0
local mouseSensitivity = 0.3
local SMOOTH           = 0.15

-- ══════════════════════════════════════════
--  HUD
-- ══════════════════════════════════════════
local gui = Instance.new("ScreenGui")
gui.Name = "FreecamHUD"
gui.ResetOnSpawn = false
gui.Parent = player.PlayerGui

local label = Instance.new("TextLabel")
label.Size = UDim2.new(0, 260, 0, 40)
label.Position = UDim2.new(1, -270, 0, 10)
label.BackgroundColor3 = Color3.fromRGB(20, 20, 20)
label.BackgroundTransparency = 0.2
label.TextColor3 = Color3.fromRGB(255, 80, 80)
label.Font = Enum.Font.GothamBold
label.TextSize = 14
label.Text = "🔴 Freecam: OFF  [F]"
label.Parent = gui
Instance.new("UICorner", label).CornerRadius = UDim.new(0, 8)

local hint = Instance.new("TextLabel")
hint.Size = UDim2.new(0, 260, 0, 72)
hint.Position = UDim2.new(1, -270, 0, 56)
hint.BackgroundColor3 = Color3.fromRGB(20, 20, 20)
hint.BackgroundTransparency = 0.4
hint.TextColor3 = Color3.fromRGB(200, 200, 200)
hint.Font = Enum.Font.Gotham
hint.TextSize = 12
hint.TextXAlignment = Enum.TextXAlignment.Left
hint.Text = "  WASD — move  |  Q/E — down/up\n  Shift — fast  |  Ctrl — slow\n  Mouse — look"
hint.Visible = false
hint.Parent = gui
Instance.new("UICorner", hint).CornerRadius = UDim.new(0, 8)

-- ══════════════════════════════════════════
--  BLOCK CHARACTER MOVEMENT
--  Sinks movement inputs at high priority so
--  the character controller never receives them
-- ══════════════════════════════════════════
local BLOCK_NAME = "FreecamBlockMovement"
local MOVEMENT_KEYS = {
	Enum.KeyCode.W, Enum.KeyCode.A, Enum.KeyCode.S, Enum.KeyCode.D,
	Enum.KeyCode.Up, Enum.KeyCode.Down, Enum.KeyCode.Left, Enum.KeyCode.Right,
	Enum.KeyCode.Space, Enum.KeyCode.LeftShift, Enum.KeyCode.LeftControl,
}

local function blockMovement()
	ContextActionService:BindActionAtPriority(
		BLOCK_NAME,
		function() return Enum.ContextActionResult.Sink end,
		false,
		Enum.ContextActionPriority.High.Value,
		table.unpack(MOVEMENT_KEYS)
	)
end

local function unblockMovement()
	ContextActionService:UnbindAction(BLOCK_NAME)
end

-- ══════════════════════════════════════════
--  TOGGLE
-- ══════════════════════════════════════════
local savedCameraType

local function enableFreecam()
	freecamActive = true
	savedCameraType = camera.CameraType
	camera.CameraType = Enum.CameraType.Scriptable
	camCFrame = camera.CFrame
	pitch = -math.asin(math.clamp(camera.CFrame.LookVector.Y, -1, 1))
	yaw   = math.atan2(-camera.CFrame.LookVector.X, -camera.CFrame.LookVector.Z)
	velocity = Vector3.new()
	UserInputService.MouseBehavior = Enum.MouseBehavior.LockCenter
	blockMovement()
	label.Text = "✅ Freecam: ON  [F]"
	label.TextColor3 = Color3.fromRGB(0, 220, 100)
	hint.Visible = true
end

local function disableFreecam()
	freecamActive = false
	camera.CameraType = savedCameraType or Enum.CameraType.Custom
	UserInputService.MouseBehavior = Enum.MouseBehavior.Default
	unblockMovement()
	label.Text = "🔴 Freecam: OFF  [F]"
	label.TextColor3 = Color3.fromRGB(255, 80, 80)
	hint.Visible = false
end

UserInputService.InputBegan:Connect(function(input, gpe)
	if gpe then return end
	if input.KeyCode == TOGGLE_KEY then
		if freecamActive then disableFreecam() else enableFreecam() end
	end
end)

-- ══════════════════════════════════════════
--  MOUSE LOOK
-- ══════════════════════════════════════════
UserInputService.InputChanged:Connect(function(input)
	if not freecamActive then return end
	if input.UserInputType == Enum.UserInputType.MouseMovement then
		yaw   = yaw   - math.rad(input.Delta.X * mouseSensitivity)
		pitch = math.clamp(pitch - math.rad(input.Delta.Y * mouseSensitivity), math.rad(-89), math.rad(89))
	end
end)

-- ══════════════════════════════════════════
--  RENDER LOOP
-- ══════════════════════════════════════════
RunService.RenderStepped:Connect(function(dt)
	if not freecamActive then return end

	local speed = NORMAL_SPEED
	if UserInputService:IsKeyDown(Enum.KeyCode.LeftShift)   then speed = FAST_SPEED end
	if UserInputService:IsKeyDown(Enum.KeyCode.LeftControl) then speed = SLOW_SPEED end

	local moveDir = Vector3.new()
	if UserInputService:IsKeyDown(Enum.KeyCode.W) then moveDir += Vector3.new(0, 0, -1) end
	if UserInputService:IsKeyDown(Enum.KeyCode.S) then moveDir += Vector3.new(0, 0,  1) end
	if UserInputService:IsKeyDown(Enum.KeyCode.A) then moveDir += Vector3.new(-1, 0, 0) end
	if UserInputService:IsKeyDown(Enum.KeyCode.D) then moveDir += Vector3.new( 1, 0, 0) end
	if UserInputService:IsKeyDown(Enum.KeyCode.E) then moveDir += Vector3.new(0,  1, 0) end
	if UserInputService:IsKeyDown(Enum.KeyCode.Q) then moveDir += Vector3.new(0, -1, 0) end

	local rotation = CFrame.Angles(0, yaw, 0) * CFrame.Angles(pitch, 0, 0)

	local worldMove = rotation:VectorToWorldSpace(moveDir)
	if worldMove.Magnitude > 0 then
		worldMove = worldMove.Unit * speed * dt
	end

	velocity = velocity:Lerp(worldMove, 1 - SMOOTH)
	camCFrame = CFrame.new(camCFrame.Position + velocity) * rotation
	camera.CFrame = camCFrame
end)