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

local LocalPlayer = Players.LocalPlayer
local Camera = Workspace.CurrentCamera

local spectatedPlayer = nil

-- ==========================================
-- ui shit
-- ==========================================

local ScreenGui = Instance.new("ScreenGui")
ScreenGui.Name = "SpectateGui"
ScreenGui.ResetOnSpawn = false
ScreenGui.Parent = LocalPlayer:WaitForChild("PlayerGui")

-- ui shit
local OpenButton = Instance.new("TextButton")
OpenButton.Name = "OpenButton"
OpenButton.Size = UDim2.new(0, 100, 0, 35)
OpenButton.Position = UDim2.new(0, 15, 0.5, -17.5)
OpenButton.BackgroundColor3 = Color3.fromRGB(30, 30, 30)
OpenButton.Text = "🎥 Spectate"
OpenButton.TextColor3 = Color3.fromRGB(240, 240, 240)
OpenButton.Font = Enum.Font.SourceSansBold
OpenButton.TextSize = 14
OpenButton.Visible = false
OpenButton.Parent = ScreenGui

local OpenCorner = Instance.new("UICorner")
OpenCorner.CornerRadius = UDim.new(0, 6)
OpenCorner.Parent = OpenButton

-- ui shit
local MainFrame = Instance.new("Frame")
MainFrame.Name = "MainFrame"
MainFrame.Size = UDim2.new(0, 230, 0, 360)
MainFrame.Position = UDim2.new(0, 15, 0.5, -180)
MainFrame.BackgroundColor3 = Color3.fromRGB(30, 30, 30)
MainFrame.BorderSizePixel = 0
MainFrame.Parent = ScreenGui

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

-- duh
local Title = Instance.new("TextLabel")
Title.Name = "Title"
Title.Size = UDim2.new(1, -40, 0, 35)
Title.Position = UDim2.new(0, 10, 0, 0)
Title.BackgroundTransparency = 1
Title.Text = "Spectate Universal"
Title.TextColor3 = Color3.fromRGB(240, 240, 240)
Title.Font = Enum.Font.SourceSansBold
Title.TextSize = 18
Title.TextXAlignment = Enum.TextXAlignment.Left
Title.Parent = MainFrame

-- yeah uh you could tell what is this
local CloseButton = Instance.new("TextButton")
CloseButton.Name = "CloseButton"
CloseButton.Size = UDim2.new(0, 25, 0, 25)
CloseButton.Position = UDim2.new(1, -30, 0, 5)
CloseButton.BackgroundColor3 = Color3.fromRGB(45, 45, 45)
CloseButton.Text = "X"
CloseButton.TextColor3 = Color3.fromRGB(180, 180, 180)
CloseButton.Font = Enum.Font.SourceSansBold
CloseButton.TextSize = 14
CloseButton.Parent = MainFrame

local CloseCorner = Instance.new("UICorner")
CloseCorner.CornerRadius = UDim.new(0, 4)
CloseCorner.Parent = CloseButton

-- search bar for you stalkers
local SearchBar = Instance.new("TextBox")
SearchBar.Name = "SearchBar"
SearchBar.Size = UDim2.new(1, -20, 0, 30)
SearchBar.Position = UDim2.new(0, 10, 0, 40)
SearchBar.BackgroundColor3 = Color3.fromRGB(45, 45, 45)
SearchBar.BorderSizePixel = 0
SearchBar.Text = ""
SearchBar.PlaceholderText = "Search player..."
SearchBar.PlaceholderColor3 = Color3.fromRGB(120, 120, 120)
SearchBar.TextColor3 = Color3.fromRGB(255, 255, 255)
SearchBar.Font = Enum.Font.SourceSans
SearchBar.TextSize = 14
SearchBar.ClearTextOnFocus = false
SearchBar.Parent = MainFrame

local SearchCorner = Instance.new("UICorner")
SearchCorner.CornerRadius = UDim.new(0, 6)
SearchCorner.Parent = SearchBar

-- ha ha ha, just a SCROLLING FRAME!!!
local ScrollingFrame = Instance.new("ScrollingFrame")
ScrollingFrame.Name = "PlayerList"
ScrollingFrame.Size = UDim2.new(1, -20, 1, -125)
ScrollingFrame.Position = UDim2.new(0, 10, 0, 80)
ScrollingFrame.BackgroundTransparency = 1
ScrollingFrame.CanvasSize = UDim2.new(0, 0, 0, 0)
ScrollingFrame.AutomaticCanvasSize = Enum.AutomaticSize.Y
ScrollingFrame.ScrollBarThickness = 6
ScrollingFrame.ScrollBarImageColor3 = Color3.fromRGB(80, 80, 80)
ScrollingFrame.Parent = MainFrame

local UIListLayout = Instance.new("UIListLayout")
UIListLayout.SortOrder = Enum.SortOrder.Name
UIListLayout.Padding = UDim.new(0, 6)
UIListLayout.Parent = ScrollingFrame

-- STOP spectating, NOW!
local StopButton = Instance.new("TextButton")
StopButton.Name = "StopButton"
StopButton.Size = UDim2.new(1, -20, 0, 32)
StopButton.Position = UDim2.new(0, 10, 1, -40)
StopButton.BackgroundColor3 = Color3.fromRGB(180, 60, 60)
StopButton.Text = "Stop Spectating"
StopButton.TextColor3 = Color3.fromRGB(255, 255, 255)
StopButton.Font = Enum.Font.SourceSansBold
StopButton.TextSize = 14
StopButton.Parent = MainFrame

local StopCorner = Instance.new("UICorner")
StopCorner.CornerRadius = UDim.new(0, 6)
StopCorner.Parent = StopButton

-- ==========================================
-- ui shit
-- ==========================================

-- close / open
CloseButton.MouseButton1Click:Connect(function()
	MainFrame.Visible = false
	OpenButton.Visible = true
end)

OpenButton.MouseButton1Click:Connect(function()
	MainFrame.Visible = true
	OpenButton.Visible = false
end)

local function filterPlayers()
	local query = string.lower(SearchBar.Text)
	
	for _, button in ipairs(ScrollingFrame:GetChildren()) do
		if button:IsA("TextButton") then
			if query == "" then
				button.Visible = true
			else
				-- just searches usernames
				local username = string.lower(button.Name)
				local displayName = string.lower(button.Text)
				
				if string.find(username, query) or string.find(displayName, query) then
					button.Visible = true
				else
					button.Visible = false
				end
			end
		end
	end
end

SearchBar:GetPropertyChangedSignal("Text"):Connect(filterPlayers)

-- ==========================================
-- hey this is just how spectate works aight
-- ==========================================

local function updateCamera()
	if spectatedPlayer and spectatedPlayer.Character then
		local humanoid = spectatedPlayer.Character:FindFirstChildOfClass("Humanoid")
		if humanoid then
			Camera.CameraSubject = humanoid
			return
		end
	end
	
	local myCharacter = LocalPlayer.Character
	if myCharacter then
		local myHumanoid = myCharacter:FindFirstChildOfClass("Humanoid")
		if myHumanoid and Camera.CameraSubject ~= myHumanoid then
			Camera.CameraSubject = myHumanoid
		end
	end
end

local function stopSpectating()
	spectatedPlayer = nil
	local myCharacter = LocalPlayer.Character
	if myCharacter then
		local myHumanoid = myCharacter:FindFirstChildOfClass("Humanoid")
		if myHumanoid then
			Camera.CameraSubject = myHumanoid
		end
	end
end

StopButton.MouseButton1Click:Connect(stopSpectating)

RunService.RenderStepped:Connect(function()
	if spectatedPlayer then
		updateCamera()
	end
end)


local function populateList()
	for _, child in ipairs(ScrollingFrame:GetChildren()) do
		if child:IsA("TextButton") then
			child:Destroy()
		end
	end

	for _, player in ipairs(Players:GetPlayers()) do
		if player ~= LocalPlayer then
			local PlayerButton = Instance.new("TextButton")
			PlayerButton.Name = player.Name
			PlayerButton.Size = UDim2.new(1, 0, 0, 30)
			PlayerButton.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
			PlayerButton.Text = player.DisplayName .. " (@" .. player.Name .. ")"
			PlayerButton.TextColor3 = Color3.fromRGB(255, 255, 255)
			PlayerButton.Font = Enum.Font.SourceSans
			PlayerButton.TextSize = 14
			PlayerButton.Parent = ScrollingFrame

			local ButtonCorner = Instance.new("UICorner")
			ButtonCorner.CornerRadius = UDim.new(0, 4)
			ButtonCorner.Parent = PlayerButton

			PlayerButton.MouseButton1Click:Connect(function()
				spectatedPlayer = player
				updateCamera()
			end)
		end
	end
	
	
	filterPlayers()
end

Players.PlayerAdded:Connect(populateList)
Players.PlayerRemoving:Connect(function(player)
	if player == spectatedPlayer then
		stopSpectating()
	end
	populateList()
end)

populateList()