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

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

-- Force max zoom limits on the engine
player.CameraMaxZoomDistance = 99999
player.CameraMinZoomDistance = 0.5

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

local ToggleButton = Instance.new("TextButton")
ToggleButton.Parent = ScreenGui
ToggleButton.Size = UDim2.new(0, 160, 0, 50)
ToggleButton.Position = UDim2.new(0.05, 0, 0.4, 0)
ToggleButton.BackgroundColor3 = Color3.fromRGB(180, 40, 40)
ToggleButton.TextColor3 = Color3.fromRGB(255, 255, 255)
ToggleButton.TextSize = 14
ToggleButton.Font = Enum.Font.SourceSansBold
ToggleButton.Text = "Server Cam: LOCKED"

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

-- DRAGGABLE CODE STRUCTURE
local dragging, dragInput, dragStart, startPos

local function update(input)
    local delta = input.Position - dragStart
    ToggleButton.Position = UDim2.new(startPos.X.Scale, startPos.X.Offset + delta.X, startPos.Y.Scale, startPos.Y.Offset + delta.Y)
end

ToggleButton.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 or input.UserInputType == Enum.UserInputType.Touch then
        dragging = true
        dragStart = input.Position
        startPos = ToggleButton.Position
        
        input.Changed:Connect(function()
            if input.UserInputState == Enum.UserInputState.End then
                dragging = false
            end
        end)
    end
end)

ToggleButton.InputChanged:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseMovement or input.UserInputType == Enum.UserInputType.Touch then
        dragInput = input
    end
end)

UserInputService.InputChanged:Connect(function(input)
    if input == dragInput and dragging then
        update(input)
    end
end)

-- CAMERA CONTROLS AND ZOOM MATHEMATICS
local isOverriding = false
local rotX, rotY = 0, 0
local defaultDistance = 15
local connection
local activeTouches = {}

UserInputService.InputBegan:Connect(function(input, gameProcessed)
    if not isOverriding or gameProcessed then return end
    if input.UserInputType == Enum.UserInputType.Touch then
        activeTouches[input] = input.Position
    end
end)

UserInputService.InputEnded:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.Touch then
        activeTouches[input] = nil
    end
end)

UserInputService.InputChanged:Connect(function(input, gameProcessed)
    if not isOverriding then return end
    if gameProcessed and input.UserInputType ~= Enum.UserInputType.MouseWheel then return end
    
    if input.UserInputType == Enum.UserInputType.MouseWheel then
        defaultDistance = math.clamp(defaultDistance - (input.Position.Z * 4), 5, 99999)
        return
    end

    local touchCount = 0
    local fingers = {}
    for inp, pos in pairs(activeTouches) do
        touchCount = touchCount + 1
        table.insert(fingers, inp)
    end

    -- Mobile Pinch Zoom
    if touchCount == 2 and input.UserInputType == Enum.UserInputType.Touch then
        activeTouches[input] = input.Position
        
        local f1 = fingers[1].Position
        local f2 = fingers[2].Position
        local currentDist = (f1 - f2).Magnitude
        
        local p1 = fingers[1].Delta
        local p2 = fingers[2].Delta
        local prevDist = ((f1 - p1) - (f2 - p2)).Magnitude
        
        local change = currentDist - prevDist
        defaultDistance = math.clamp(defaultDistance - (change * 0.15), 5, 99999)
        
    -- Drag to look
    elseif touchCount <= 1 and (input.UserInputType == Enum.UserInputType.MouseMovement or input.UserInputType == Enum.UserInputType.Touch) then
        -- This logic ignores input adjustments if you are dragging the UI button itself
        if dragging then return end
        rotX = rotX - input.Delta.X * 0.4
        rotY = math.clamp(rotY - input.Delta.Y * 0.4, -75, 75)
    end
end)

local function startCameraOverride()
    connection = RunService.RenderStepped:Connect(function()
        if isOverriding then
            camera.CameraType = Enum.CameraType.Scriptable
            
            local target = player.Character and player.Character:FindFirstChild("HumanoidRootPart")
            if not target then return end
            
            local seat = player.Character.Humanoid.SeatPart
            if seat and seat.Parent then
                target = seat.Parent.PrimaryPart or seat
            end
            
            local startCFrame = CFrame.new(target.Position)
            local rotationCFrame = CFrame.Angles(0, math.rad(rotX), 0) * CFrame.Angles(math.rad(rotY), 0, 0)
            
            camera.CFrame = startCFrame * rotationCFrame * CFrame.new(0, 2, defaultDistance)
        end
    end)
end

ToggleButton.MouseButton1Click:Connect(function()
    -- Only toggle if we weren't just dragging the button across the screen
    if dragging then return end
    
    isOverriding = not isOverriding
    table.clear(activeTouches)
    
    if isOverriding then
        ToggleButton.Text = "Server Cam: OVERRIDDEN"
        ToggleButton.BackgroundColor3 = Color3.fromRGB(0, 150, 70)
        
        local _, y, _ = camera.CFrame:ToOrientation()
        rotX = math.deg(y)
        rotY = 0
    else
        ToggleButton.Text = "Server Cam: LOCKED"
        ToggleButton.BackgroundColor3 = Color3.fromRGB(180, 40, 40)
        
        camera.CameraType = Enum.CameraType.Custom
        if player.Character and player.Character:FindFirstChild("Humanoid") then
            camera.CameraSubject = player.Character.Humanoid
        end
    end
end)

startCameraOverride()