-- SERVICES
local Players = game:GetService("Players")
local TweenService = game:GetService("TweenService")
local UserInputService = game:GetService("UserInputService")

local player = Players.LocalPlayer

-- GUI
local gui = Instance.new("ScreenGui")
gui.Name = "SK_CRASH_HUB_GUI"
gui.ResetOnSpawn = false
gui.IgnoreGuiInset = true
gui.Parent = player:WaitForChild("PlayerGui")

local frame = Instance.new("Frame")
frame.Size = UDim2.new(0, 420, 0, 520)
frame.Position = UDim2.new(0.5, -210, 0.5, -260)
frame.BackgroundColor3 = Color3.fromRGB(25, 25, 25)
frame.BorderSizePixel = 0
frame.Active = true
frame.Parent = gui

Instance.new("UICorner", frame).CornerRadius = UDim.new(0, 12)

-- TITLE BAR
local titleBar = Instance.new("Frame")
titleBar.Size = UDim2.new(1, 0, 0, 50)
titleBar.BackgroundColor3 = Color3.fromRGB(15, 15, 15)
titleBar.BorderSizePixel = 0
titleBar.Parent = frame

Instance.new("UICorner", titleBar).CornerRadius = UDim.new(0, 12)

local title = Instance.new("TextLabel")
title.Size = UDim2.new(1, 0, 1, 0)
title.BackgroundTransparency = 1
title.Text = "SK CRASH HUB"
title.Font = Enum.Font.GothamBold
title.TextSize = 22
title.TextColor3 = Color3.fromRGB(255, 255, 255)
title.Parent = titleBar

-- ===== GUI DRAG (PC + MOBILE) =====
local dragging = false
local dragStart
local startPos

local function beginDrag(input)
	dragging = true
	dragStart = input.Position
	startPos = frame.Position
end

local function endDrag()
	dragging = false
end

titleBar.InputBegan:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseButton1
	or input.UserInputType == Enum.UserInputType.Touch then
		beginDrag(input)
	end
end)

titleBar.InputEnded:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseButton1
	or input.UserInputType == Enum.UserInputType.Touch then
		endDrag()
	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)

-- PLAYER LIST
local list = Instance.new("ScrollingFrame")
list.Position = UDim2.new(0, 10, 0, 60)
list.Size = UDim2.new(1, -20, 0, 330)
list.CanvasSize = UDim2.new(0, 0, 0, 0)
list.ScrollBarImageTransparency = 0.3
list.BackgroundTransparency = 1
list.Parent = frame

local layout = Instance.new("UIListLayout")
layout.Padding = UDim.new(0, 8)
layout.Parent = list

local selectedPlayer
local crashButton

local function createPlayerButton(name)
	local btn = Instance.new("TextButton")
	btn.Size = UDim2.new(1, 0, 0, 40)
	btn.Text = name
	btn.Font = Enum.Font.Gotham
	btn.TextSize = 16
	btn.TextColor3 = Color3.fromRGB(255,255,255)
	btn.BackgroundColor3 = Color3.fromRGB(45,45,45)
	btn.BorderSizePixel = 0
	btn.Parent = list

	Instance.new("UICorner", btn).CornerRadius = UDim.new(0, 8)

	btn.MouseButton1Click:Connect(function()
		selectedPlayer = name
		crashButton.Visible = true
	end)
end

for _, plr in pairs(Players:GetPlayers()) do
	if plr ~= player then
		createPlayerButton(plr.Name)
	end
end

layout:GetPropertyChangedSignal("AbsoluteContentSize"):Connect(function()
	list.CanvasSize = UDim2.new(0, 0, 0, layout.AbsoluteContentSize.Y + 10)
end)

Players.PlayerAdded:Connect(function(plr)
	if plr ~= player then
		createPlayerButton(plr.Name)
	end
end)

Players.PlayerRemoving:Connect(function(plr)
	for _, v in pairs(list:GetChildren()) do
		if v:IsA("TextButton") and v.Text == plr.Name then
			v:Destroy()
		end
	end
end)

-- CRASH BUTTON
crashButton = Instance.new("TextButton")
crashButton.Size = UDim2.new(0, 180, 0, 50)
crashButton.Position = UDim2.new(0.5, -90, 1, -90)
crashButton.Text = "CRASH"
crashButton.Font = Enum.Font.GothamBold
crashButton.TextSize = 20
crashButton.TextColor3 = Color3.fromRGB(255,255,255)
crashButton.BackgroundColor3 = Color3.fromRGB(170,30,30)
crashButton.BorderSizePixel = 0
crashButton.Visible = false
crashButton.Parent = frame

Instance.new("UICorner", crashButton).CornerRadius = UDim.new(0, 10)

-- LOADING BAR
local loadingBack = Instance.new("Frame")
loadingBack.Size = UDim2.new(0, 300, 0, 10)
loadingBack.Position = UDim2.new(0.5, -150, 1, -40)
loadingBack.BackgroundColor3 = Color3.fromRGB(60,60,60)
loadingBack.BorderSizePixel = 0
loadingBack.Visible = false
loadingBack.Parent = frame

Instance.new("UICorner", loadingBack).CornerRadius = UDim.new(0, 6)

local loadingBar = Instance.new("Frame")
loadingBar.Size = UDim2.new(0, 0, 1, 0)
loadingBar.BackgroundColor3 = Color3.fromRGB(0,170,255)
loadingBar.BorderSizePixel = 0
loadingBar.Parent = loadingBack

Instance.new("UICorner", loadingBar).CornerRadius = UDim.new(0, 6)

-- FLOOR（飛ばない）
local function createFloor()
	local char = player.Character or player.CharacterAdded:Wait()
	local hrp = char:WaitForChild("HumanoidRootPart")

	local floor = Instance.new("Part")
	floor.Size = Vector3.new(60, 1, 60)
	floor.CFrame = hrp.CFrame * CFrame.new(0, -3, 0)
	floor.Anchored = false
	floor.CanCollide = true
	floor.Transparency = 1
	floor.Massless = true
	floor.Parent = workspace

	local weld = Instance.new("WeldConstraint")
	weld.Part0 = floor
	weld.Part1 = hrp
	weld.Parent = floor
end

-- BUTTON ACTION
crashButton.MouseButton1Click:Connect(function()
	crashButton.Visible = false
	loadingBack.Visible = true
	loadingBar.Size = UDim2.new(0, 0, 1, 0)

	local time = math.random(10, 30) / 10
	local tween = TweenService:Create(
		loadingBar,
		TweenInfo.new(time, Enum.EasingStyle.Quad, Enum.EasingDirection.Out),
		{Size = UDim2.new(1, 0, 1, 0)}
	)

	tween:Play()
	tween.Completed:Connect(function()
		loadingBack.Visible = false
		createFloor()
	end)
end)