-- 4nuj Mini Hub 

-- SERVICES
local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local UserInputService = game:GetService("UserInputService")
local SoundService = game:GetService("SoundService")
local TeleportService = game:GetService("TeleportService")
local ReplicatedStorage = game:GetService("ReplicatedStorage")

local player = Players.LocalPlayer

-- Character references
local char
local humanoid
local hrp
local function updateCharacterReferences()
	char = player.Character
	if char then
		humanoid = char:WaitForChild("Humanoid")
		hrp = char:WaitForChild("HumanoidRootPart")
	end
end
updateCharacterReferences()
player.CharacterAdded:Connect(updateCharacterReferences)

-------------------------------------------------
-- GUI
-------------------------------------------------
local gui = Instance.new("ScreenGui", player.PlayerGui)
gui.Name = "FlyHub"
gui.ResetOnSpawn = false

local frame = Instance.new("Frame", gui)
frame.Size = UDim2.new(0,320,0,500)
frame.Position = UDim2.new(0.35,0,0.3,0)
frame.BorderSizePixel = 0
frame.BackgroundColor3 = Color3.fromRGB(25,0,0)
Instance.new("UICorner", frame).CornerRadius = UDim.new(0,16)

local gradient = Instance.new("UIGradient", frame)
gradient.Color = ColorSequence.new{
	ColorSequenceKeypoint.new(0, Color3.fromRGB(25,0,0)),
	ColorSequenceKeypoint.new(1, Color3.fromRGB(0,0,0))
}
gradient.Rotation = 45

-- Title
local titleBar = Instance.new("Frame", frame)
titleBar.Size = UDim2.new(1,-20,0,42)
titleBar.Position = UDim2.new(0,10,0,10)
titleBar.BackgroundColor3 = Color3.fromRGB(35,0,0)
Instance.new("UICorner", titleBar)
local title = Instance.new("TextLabel", titleBar)
title.Size = UDim2.new(1,0,1,0)
title.BackgroundTransparency = 1
title.Text = "4nuj mini hub"
title.Font = Enum.Font.GothamBold
title.TextSize = 22
title.TextColor3 = Color3.new(1,1,1)

-- Minimize
local minBtn = Instance.new("TextButton", titleBar)
minBtn.Size = UDim2.new(0,30,0,30)
minBtn.Position = UDim2.new(1,-35,0.5,-15)
minBtn.Text = "—"
minBtn.Font = Enum.Font.GothamBold
minBtn.TextSize = 22
minBtn.BackgroundTransparency = 1
minBtn.TextColor3 = Color3.new(1,1,1)

local mini = Instance.new("TextButton", gui)
mini.Size = UDim2.new(0,72,0,72)
mini.Visible = false
mini.BackgroundColor3 = Color3.fromRGB(40,0,0)
mini.Text = "OPEN"
mini.Font = Enum.Font.GothamBold
mini.TextSize = 20
mini.TextColor3 = Color3.new(1,1,1)
mini.AutoButtonColor = false
mini.ZIndex = 10
Instance.new("UICorner", mini).CornerRadius = UDim.new(1,0)

-- Sounds
local buttonSounds = {
	toggle = "rbxassetid://15666462",
	minimize = "rbxassetid://15666462",
	miniRestore = "rbxassetid://15666462",
	slider = "rbxassetid://12222216"
}
local function playSound(soundId)
	local sound = Instance.new("Sound", SoundService)
	sound.SoundId = soundId
	sound.Volume = 1
	sound:Play()
	game.Debris:AddItem(sound,2)
end

-- Dragging
local function draggable(ui)
	local dragging, startPos, startInput
	ui.InputBegan:Connect(function(i)
		if i.UserInputType == Enum.UserInputType.MouseButton1 or i.UserInputType == Enum.UserInputType.Touch then
			dragging = true
			startInput = i.Position
			startPos = ui.Position
		end
	end)
	ui.InputEnded:Connect(function() dragging=false end)
	UserInputService.InputChanged:Connect(function(i)
		if dragging and (i.UserInputType==Enum.UserInputType.MouseMovement or i.UserInputType==Enum.UserInputType.Touch) then
			local delta = i.Position - startInput
			ui.Position = UDim2.new(startPos.X.Scale,startPos.X.Offset+delta.X,startPos.Y.Scale,startPos.Y.Offset+delta.Y)
		end
	end)
end
draggable(frame)
draggable(mini)

-- Minimize/Restore
minBtn.MouseButton1Click:Connect(function()
	playSound(buttonSounds.minimize)
	mini.Position = frame.Position
	frame.Visible = false
	mini.Visible = true
end)
mini.MouseButton1Click:Connect(function()
	playSound(buttonSounds.miniRestore)
	frame.Position = mini.Position
	frame.Visible = true
	mini.Visible = false
end)

-- Button function
local function button(text,pos,size,soundId,action)
	local b = Instance.new("TextButton", frame)
	b.Text = text
	b.Size = size
	b.Position = pos
	b.Font = Enum.Font.GothamBold
	b.TextSize = 18
	b.TextColor3 = Color3.new(1,1,1)
	b.BackgroundColor3 = Color3.fromRGB(100,0,0)
	b.AutoButtonColor = false
	Instance.new("UICorner",b)
	if soundId then
		b.MouseButton1Click:Connect(function() playSound(soundId) if action then action() end end)
	elseif action then
		b.MouseButton1Click:Connect(action)
	end
	return b
end

-- Fly system
local flying = false
local upHeld, downHeld = false,false
local bodyGyro, bodyVelocity
local speed = 60
local minSpeed,maxSpeed = 20,150

local toggle = button("FLY : OFF", UDim2.new(0,10,0,65), UDim2.new(1,-20,0,50), buttonSounds.toggle)
local up = button("UP", UDim2.new(0.05,0,0,125), UDim2.new(0.45,0,0,45))
local down = button("DOWN", UDim2.new(0.5,0,0,125), UDim2.new(0.45,0,0,45))

local resetCharBtn = button("RESET CHARACTER", UDim2.new(0,10,0,285), UDim2.new(1,-20,0,40), buttonSounds.toggle, function()
	if player.Character then
		player.Character:BreakJoints()
	end
end)

local worldBtn = button("4nuj WORLD", UDim2.new(0,10,0,330), UDim2.new(1,-20,0,40), buttonSounds.toggle, function()
	local placeId = PLACE_ID_HERE -- Replace with actual Roblox place ID
	TeleportService:Teleport(placeId, player)
end)

local musicPlaying = false
local musicSound = Instance.new("Sound", SoundService)
musicSound.SoundId = "rbxassetid://98337901681441"
musicSound.Volume = 1
musicSound.Looped = true

local musicBtn = button("MUSIC : OFF", UDim2.new(0,10,0,375), UDim2.new(1,-20,0,40), buttonSounds.toggle, function()
	if musicPlaying then
		musicSound:Stop()
		musicPlaying = false
		musicBtn.Text = "MUSIC : OFF"
	else
		musicSound:Play()
		musicPlaying = true
		musicBtn.Text = "MUSIC : ON"
	end
end)

-- Speed slider
local speedLabel = Instance.new("TextLabel", frame)
speedLabel.Size = UDim2.new(1,-20,0,20)
speedLabel.Position = UDim2.new(0,10,0,185)
speedLabel.BackgroundTransparency=1
speedLabel.Text="Fly Speed: 60"
speedLabel.Font=Enum.Font.GothamBold
speedLabel.TextColor3=Color3.new(1,1,1)

local sliderBg = Instance.new("Frame", frame)
sliderBg.Size=UDim2.new(1,-20,0,12)
sliderBg.Position=UDim2.new(0,10,0,215)
sliderBg.BackgroundColor3=Color3.fromRGB(50,0,0)
Instance.new("UICorner", sliderBg)

local sliderFill = Instance.new("Frame", sliderBg)
sliderFill.Size=UDim2.new(0.35,0,1,0)
sliderFill.BackgroundColor3=Color3.fromRGB(255,0,0)
Instance.new("UICorner", sliderFill)

local arrow=Instance.new("ImageLabel",sliderBg)
arrow.Size=UDim2.new(0,14,0,20)
arrow.AnchorPoint=Vector2.new(0.5,0.5)
arrow.Position=UDim2.new(sliderFill.Size.X.Scale,0,0.5,0)
arrow.BackgroundTransparency=1
arrow.Image="rbxassetid://70727212"
arrow.ImageColor3=Color3.new(1,1,1)

local draggingSlider=false
local function updateSlider(x)
	local p=math.clamp((x-sliderBg.AbsolutePosition.X)/sliderBg.AbsoluteSize.X,0,1)
	sliderFill.Size=UDim2.new(p,0,1,0)
	arrow.Position=UDim2.new(p,0,0.5,0)
	speed=math.floor(minSpeed+(maxSpeed-minSpeed)*p)
	speedLabel.Text="Fly Speed: "..speed
end

sliderBg.InputBegan:Connect(function(i)
	if i.UserInputType==Enum.UserInputType.MouseButton1 or i.UserInputType==Enum.UserInputType.Touch then
		draggingSlider=true
		playSound(buttonSounds.slider)
		updateSlider(i.Position.X)
	end
end)
UserInputService.InputChanged:Connect(function(i)
	if draggingSlider then updateSlider(i.Position.X) end
end)
UserInputService.InputEnded:Connect(function() draggingSlider=false end)

-- Fly logic
local function startFly()
	if not hrp then return end
	bodyGyro = Instance.new("BodyGyro", hrp)
	bodyGyro.MaxTorque = Vector3.new(1e9,1e9,1e9)
	bodyGyro.P = 20000
	bodyVelocity = Instance.new("BodyVelocity", hrp)
	bodyVelocity.MaxForce = Vector3.new(1e9,1e9,1e9)
	humanoid.PlatformStand = true
end

local function stopFly()
	if bodyGyro then bodyGyro:Destroy() end
	if bodyVelocity then bodyVelocity:Destroy() end
	if humanoid then humanoid.PlatformStand=false end
end

toggle.MouseButton1Click:Connect(function()
	playSound(buttonSounds.toggle)
	flying = not flying
	toggle.Text = flying and "FLY : ON" or "FLY : OFF"
	if flying then startFly() else stopFly() end
end)

up.MouseButton1Down:Connect(function() upHeld = true end)
up.MouseButton1Up:Connect(function() upHeld = false end)
down.MouseButton1Down:Connect(function() downHeld = true end)
down.MouseButton1Up:Connect(function() downHeld = false end)

RunService.RenderStepped:Connect(function()
	if flying and bodyVelocity and hrp and humanoid then
		local vertical = (upHeld and 1 or 0) - (downHeld and 1 or 0)
		local move = humanoid.MoveDirection
		bodyVelocity.Velocity = (move + Vector3.new(0,vertical,0)) * speed
		bodyGyro.CFrame = workspace.CurrentCamera.CFrame
	end
end)

-- RESET SCRIPT BUTTON
local resetScriptBtn = button("RESET SCRIPT", UDim2.new(0,10,0,455), UDim2.new(1,-20,0,40), buttonSounds.toggle, function()
	playSound(buttonSounds.toggle)
	if gui then
		gui:Destroy()
	end
	local cloned = script:Clone()
	cloned.Parent = player:WaitForChild("PlayerGui")
end)

-- CHAT REPLY FEATURE (FIXED)
local ChatEvents = ReplicatedStorage:WaitForChild("DefaultChatSystemChatEvents")
local SayMessageEvent = ChatEvents:WaitForChild("SayMessageRequest")

local function listenToPlayerChat(plr)
	plr.Chatted:Connect(function(msg)
		if plr.Name == "Captain_Anuj94" and msg:lower() == "scripter" then
			SayMessageEvent:FireServer("Hi! 4nuj sir ✨","All")
		end
	end)
end

-- Existing players
for _, plr in pairs(Players:GetPlayers()) do
	listenToPlayerChat(plr)
end
-- New players
Players.PlayerAdded:Connect(listenToPlayerChat)