local Players = game:GetService("Players")
local UserInputService = game:GetService("UserInputService")
local player = Players.LocalPlayer

-- Default keybind for hiding the GUI
local hideKey = Enum.KeyCode.F1

-- Function to create the GUI
local function createGUI()
    -- Destroy existing GUI if it exists
    local existingGui = player.PlayerGui:FindFirstChild("HealthCapGUI")
    if existingGui then
        existingGui:Destroy()
    end

    -- Create the new GUI
    local screenGui = Instance.new("ScreenGui")
    screenGui.Name = "HealthCapGUI"
    screenGui.Parent = player:WaitForChild("PlayerGui")
    
    local frame = Instance.new("Frame")
    frame.Size = UDim2.new(0, 200, 0, 150)
    frame.Position = UDim2.new(0.5, -100, 0.5, -75)
    frame.BackgroundColor3 = Color3.new(0.2, 0.2, 0.2)
    frame.BorderSizePixel = 2
    frame.Parent = screenGui
    frame.Active = true
    frame.Draggable = true -- Make the frame draggable
    
    local healthLabel = Instance.new("TextLabel")
    healthLabel.Size = UDim2.new(1, 0, 0.3, 0)
    healthLabel.Position = UDim2.new(0, 0, 0, 0)
    healthLabel.Text = "Set Max Health:"
    healthLabel.TextColor3 = Color3.new(1, 1, 1)
    healthLabel.BackgroundColor3 = Color3.new(0.3, 0.3, 0.3)
    healthLabel.Parent = frame
    
    local healthInput = Instance.new("TextBox")
    healthInput.Size = UDim2.new(1, 0, 0.3, 0)
    healthInput.Position = UDim2.new(0, 0, 0.3, 0)
    healthInput.PlaceholderText = "Enter max health value"
    healthInput.Text = ""
    healthInput.BackgroundColor3 = Color3.new(0.3, 0.3, 0.3)
    healthInput.TextColor3 = Color3.new(1, 1, 1)
    healthInput.Parent = frame
    
    local setHealthButton = Instance.new("TextButton")
    setHealthButton.Size = UDim2.new(1, 0, 0.2, 0)
    setHealthButton.Position = UDim2.new(0, 0, 0.6, 0)
    setHealthButton.Text = "Set Max Health"
    setHealthButton.BackgroundColor3 = Color3.new(0.3, 0.3, 0.3)
    setHealthButton.TextColor3 = Color3.new(1, 1, 1)
    setHealthButton.Parent = frame

    local closeButton = Instance.new("TextButton")
    closeButton.Size = UDim2.new(1, 0, 0.2, 0)
    closeButton.Position = UDim2.new(0, 0, 0.8, 0)
    closeButton.Text = "Close"
    closeButton.BackgroundColor3 = Color3.new(0.3, 0.3, 0.3)
    closeButton.TextColor3 = Color3.new(1, 1, 1)
    closeButton.Parent = frame
    
    -- Handle setting max health
    setHealthButton.MouseButton1Click:Connect(function()
        local maxHealthValue = tonumber(healthInput.Text)
        if maxHealthValue and maxHealthValue > 0 then
            local character = player.Character or player.CharacterAdded:Wait()
            local humanoid = character:FindFirstChildOfClass("Humanoid")
            if humanoid then
                humanoid.MaxHealth = maxHealthValue -- Set the maximum health
                humanoid.Health = maxHealthValue -- Adjust current health to match the new max
            else
                warn("Humanoid not found in character.")
            end
        else
            warn("Please enter a valid max health value.")
        end
    end)

    -- Handle closing the GUI
    closeButton.MouseButton1Click:Connect(function()
        screenGui:Destroy()
    end)
end

-- Hide/Show GUI functionality
local function toggleGUIVisibility()
    local screenGui = player.PlayerGui:FindFirstChild("HealthCapGUI")
    if screenGui then
        screenGui.Enabled = not screenGui.Enabled
    end
end

-- Change the hide key
local function changeHideKey(newKey)
    hideKey = newKey
end

-- Handle key presses for hiding GUI
UserInputService.InputBegan:Connect(function(input, gameProcessed)
    if not gameProcessed and input.KeyCode == hideKey then
        toggleGUIVisibility()
    end
end)

-- Ensure GUI persists after respawn
local function onCharacterAdded()
    createGUI()
end

-- Listen for character respawns
player.CharacterAdded:Connect(onCharacterAdded)

-- Create the GUI when the script runs
if player.Character then
    createGUI()
else
    player.CharacterAdded:Wait()
    createGUI()
end

-- Allow changing the hide key (for demonstration)
-- Example: Call `changeHideKey(Enum.KeyCode.F2)` to change the hide key to F2.