local Players = game:GetService("Players")

local player = Players.LocalPlayer
local CHASE_DISTANCE = 50
local WANDER_DISTANCE = 25
local WANDER_DELAY = 2

local function start(character)
	local humanoid = character:WaitForChild("Humanoid")
	local root = character:WaitForChild("HumanoidRootPart")

	while character.Parent and humanoid.Health > 0 do
		local target = nil
		local closestDistance = CHASE_DISTANCE

		-- Check for players within CHASE_DISTANCE
		for _, otherPlayer in Players:GetPlayers() do
			if otherPlayer ~= player and otherPlayer.Character then
				local otherRoot = otherPlayer.Character:FindFirstChild("HumanoidRootPart")
				local otherHumanoid = otherPlayer.Character:FindFirstChild("Humanoid")

				if otherRoot and otherHumanoid and otherHumanoid.Health > 0 then
					local distance = (root.Position - otherRoot.Position).Magnitude

					if distance <= CHASE_DISTANCE then
						if distance < closestDistance then
							closestDistance = distance
							target = otherRoot
						end
					end
				end
			end
		end

		-- PLAYER IS CLOSE → CHASE
		if target then
			humanoid:MoveTo(target.Position)

		-- NOBODY IS CLOSE → WANDER
		else
			local destination = root.Position + Vector3.new(
				math.random(-WANDER_DISTANCE, WANDER_DISTANCE),
				0,
				math.random(-WANDER_DISTANCE, WANDER_DISTANCE)
			)

			humanoid:MoveTo(destination)
			task.wait(WANDER_DELAY)
		end

		task.wait(0.1)
	end
end

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

player.CharacterAdded:Connect(start)