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

local LocalPlayer = Players.LocalPlayer

-- State
local aimbotEnabled = false
local espEnabled = false
local fovRadius = 120

local gui
local fovCircle

-- Create FOV circle
local function createFOV()
    if fovCircle then
        return
    end
    fovCircle = Drawing.new("Circle")
    fovCircle.Radius = fovRadius
    fovCircle.Thickness = 2
    fovCircle.Color = Color3.fromRGB(0, 255, 0)
    fovCircle.Transparency = 0.7
    fovCircle.Filled = false
    fovCircle.Visible = aimbotEnabled
end

-- Line-of-sight check
local function hasLOS(targetPart)
    if not targetPart then
        return false
    end
    local cam = workspace.CurrentCamera
    local origin = cam.CFrame.Position
    local direction = (targetPart.Position - origin).Unit * 1000

    local params = RaycastParams.new()
    params.FilterType = Enum.RaycastFilterType.Blacklist
    params.FilterDescendantsInstances = {LocalPlayer.Character}

    local result = workspace:Raycast(origin, direction, params)
    return result and result.Instance and result.Instance:IsDescendantOf(targetPart.Parent)
end

-- ESP: create name + distance tag
local function createESPTag(char, player)
    if not char then
        return
    end
    local head = char:FindFirstChild("Head")
    if not head then
        return
    end
    if char:FindFirstChild("ESPTag") then
        return
    end

    local tag = Instance.new("BillboardGui")
    tag.Name = "ESPTag"
    tag.Size = UDim2.new(0, 200, 0, 50)
    tag.StudsOffset = Vector3.new(0, 2.5, 0)
    tag.AlwaysOnTop = true
    tag.Parent = head

    local nameLabel = Instance.new("TextLabel")
    nameLabel.Name = "Name"
    nameLabel.Size = UDim2.new(1, 0, 0.5, 0)
    nameLabel.BackgroundTransparency = 1
    nameLabel.Text = player.Name
    nameLabel.TextColor3 = Color3.fromRGB(255, 0, 0)
    nameLabel.TextStrokeTransparency = 0.5
    nameLabel.Font = Enum.Font.GothamBold
    nameLabel.TextScaled = true
    nameLabel.Parent = tag

    local distLabel = Instance.new("TextLabel")
    distLabel.Name = "Distance"
    distLabel.Position = UDim2.new(0, 0, 0.5, 0)
    distLabel.Size = UDim2.new(1, 0, 0.5, 0)
    distLabel.BackgroundTransparency = 1
    distLabel.TextColor3 = Color3.fromRGB(255, 255, 255)
    distLabel.Font = Enum.Font.Gotham
    distLabel.TextScaled = true
    distLabel.Parent = tag

    -- update distance while ESP is enabled
    RunService.RenderStepped:Connect(function()
        if not espEnabled then
            tag.Enabled = false
            return
        end
        local root = char:FindFirstChild("HumanoidRootPart")
        local cam = workspace.CurrentCamera
        if not root or not cam then
            tag.Enabled = false
            return
        end
        local distance = math.floor((root.Position - cam.CFrame.Position).Magnitude)
        distLabel.Text = tostring(distance) .. "m"
        tag.Enabled = true
    end)
end

-- Setup ESP for a player (persists on respawn)
local function setupESP(player)
    local function apply(char)
        if not espEnabled then
            return
        end
        createESPTag(char, player)
    end

    if player.Character then
        apply(player.Character)
    end

    player.CharacterAdded:Connect(function(char)
        task.wait(1)
        apply(char)
    end)
end

-- Clear all ESP tags
local function clearAllESP()
    for _, p in ipairs(Players:GetPlayers()) do
        if p.Character and p.Character:FindFirstChild("ESPTag") then
            p.Character.ESPTag:Destroy()
        end
    end
end

-- Aimbot core loop
local function startAimbotLoop()
    RunService.RenderStepped:Connect(function()
        if not aimbotEnabled then
            if fovCircle then
                fovCircle.Visible = false
            end
            return
        end

        if not fovCircle then
            createFOV()
        end

        local cam = workspace.CurrentCamera
        if not cam then
            return
        end

        -- center the FOV circle
        local vp = cam.ViewportSize
        local center = Vector2.new(vp.X / 2, vp.Y / 2)
        fovCircle.Position = center
        fovCircle.Visible = true

        -- find closest visible head inside FOV
        local closestHead = nil
        local shortest = math.huge

        for _, p in ipairs(Players:GetPlayers()) do
            if p ~= LocalPlayer and p.Character then
                local head = p.Character:FindFirstChild("Head")
                if head then
                    local screenPos, onScreen = cam:WorldToScreenPoint(head.Position)
                    if onScreen then
                        local d = (Vector2.new(screenPos.X, screenPos.Y) - center).Magnitude
                        if d < fovRadius and d < shortest and hasLOS(head) then
                            shortest = d
                            closestHead = head
                        end
                    end
                end
            end
        end

        if closestHead then
            cam.CFrame = CFrame.new(cam.CFrame.Position, closestHead.Position)
        end
    end)
end

-- Build GUI and wire controls
local function buildGUI()
    if gui then
        gui:Destroy()
    end

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

    -- toggle button
    local toggleBtn = Instance.new("TextButton")
    toggleBtn.Name = "Toggle"
    toggleBtn.Size = UDim2.new(0, 40, 0, 40)
    toggleBtn.Position = UDim2.new(0, 10, 0.5, -100)
    toggleBtn.Text = "≡"
    toggleBtn.BackgroundColor3 = Color3.fromRGB(40, 40, 40)
    toggleBtn.TextColor3 = Color3.new(1, 1, 1)
    toggleBtn.Font = Enum.Font.GothamBold
    toggleBtn.TextSize = 20
    toggleBtn.ZIndex = 10
    toggleBtn.Parent = gui

    -- panel
    local panel = Instance.new("Frame")
    panel.Name = "Panel"
    panel.Size = UDim2.new(0, 220, 0, 150)
    panel.Position = UDim2.new(0, -230, 0.5, -75) -- hidden offscreen left
    panel.BackgroundColor3 = Color3.fromRGB(25, 25, 25)
    panel.BorderSizePixel = 0
    panel.ClipsDescendants = true
    panel.Parent = gui

    local title = Instance.new("TextLabel")
    title.Name = "Title"
    title.Size = UDim2.new(1, 0, 0, 30)
    title.Text = "Admin Panel"
    title.TextColor3 = Color3.new(1, 1, 1)
    title.BackgroundColor3 = Color3.fromRGB(35, 35, 35)
    title.Font = Enum.Font.GothamBold
    title.TextSize = 16
    title.Parent = panel

    -- aimbot button
    local aimbotBtn = Instance.new("TextButton")
    aimbotBtn.Name = "AimbotBtn"
    aimbotBtn.Size = UDim2.new(1, -20, 0, 30)
    aimbotBtn.Position = UDim2.new(0, 10, 0, 40)
    aimbotBtn.Text = "Aimbot: OFF"
    aimbotBtn.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
    aimbotBtn.TextColor3 = Color3.new(1, 1, 1)
    aimbotBtn.Font = Enum.Font.Gotham
    aimbotBtn.TextSize = 14
    aimbotBtn.Parent = panel

    aimbotBtn.MouseButton1Click:Connect(function()
        aimbotEnabled = not aimbotEnabled
        aimbotBtn.Text = "Aimbot: " .. (aimbotEnabled and "ON" or "OFF")
        if aimbotEnabled and not fovCircle then
            createFOV()
        end
    end)

    -- esp button
    local espBtn = Instance.new("TextButton")
    espBtn.Name = "ESPBtn"
    espBtn.Size = UDim2.new(1, -20, 0, 30)
    espBtn.Position = UDim2.new(0, 10, 0, 80)
    espBtn.Text = "ESP: OFF"
    espBtn.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
    espBtn.TextColor3 = Color3.new(1, 1, 1)
    espBtn.Font = Enum.Font.Gotham
    espBtn.TextSize = 14
    espBtn.Parent = panel

    espBtn.MouseButton1Click:Connect(function()
        espEnabled = not espEnabled
        espBtn.Text = "ESP: " .. (espEnabled and "ON" or "OFF")
        if espEnabled then
            for _, p in ipairs(Players:GetPlayers()) do
                if p ~= LocalPlayer then
                    setupESP(p)
                end
            end
        else
            clearAllESP()
        end
    end)

    -- open/close tween
    local open = false
    toggleBtn.MouseButton1Click:Connect(function()
        open = not open
        local goal = { Position = open and UDim2.new(0, 10, 0.5, -75) or UDim2.new(0, -230, 0.5, -75) }
        TweenService:Create(panel, TweenInfo.new(0.3, Enum.EasingStyle.Quad, Enum.EasingDirection.Out), goal):Play()
    end)
end

-- Build GUI and start loops
local function init()
    buildGUI()
    startAimbotLoop()

    -- keep features consistent after new players join
    Players.PlayerAdded:Connect(function(p)
        if espEnabled then
            setupESP(p)
        end
    end)

    -- reapply ESP to existing players if toggled on
    if espEnabled then
        for _, p in ipairs(Players:GetPlayers()) do
            if p ~= LocalPlayer then
                setupESP(p)
            end
        end
    end
end

-- initial run
init()

-- rebuild GUI after respawn
LocalPlayer.CharacterAdded:Connect(function()
    task.wait(1)
    buildGUI()
end)