local PathfindingService = game:GetService("PathfindingService")
local ready = true

local NPC = script.Parent
local humanoid = script.Parent.Humanoid

local x = 0

while true do
	wait()
	if ready == true then
		ready = false

		local blockedConnection
		local finishedConnection

		repeat
			wait()
			destination = game.Workspace.Points:GetChildren()[math.random(1,#game.Workspace.Points:GetChildren())]
		until(script.Parent.HumanoidRootPart.Position - destination.Position).magnitude > 17

		-- Create the path object
		local path = PathfindingService:CreatePath({
    		AgentCanJump = false
		})

		-- Variables to store waypoints table and NPC's current waypoint
		local waypoints = {}
		local currentWaypointIndex = 1

		local function followPath(destinationObject)
			-- Compute and check the path
			path:ComputeAsync(NPC.HumanoidRootPart.Position, destinationObject.Position)
			-- Empty waypoints table after each new path computation
			waypoints = {}

			if path.Status == Enum.PathStatus.Success then
				-- Get the path waypoints and start NPC walking
				waypoints = path:GetWaypoints()
				-- Move to first waypoint
				currentWaypointIndex = 1
				humanoid:MoveTo(waypoints[currentWaypointIndex].Position)
			else
				-- Error (path not found); stop humanoid
				humanoid:MoveTo(NPC.HumanoidRootPart.Position)
			end
		end

		local function onWaypointReached(reached)
			if reached and currentWaypointIndex < #waypoints then
				currentWaypointIndex = currentWaypointIndex + 1
				humanoid:MoveTo(waypoints[currentWaypointIndex].Position)
				--If NPC reaches destination
				if (script.Parent.HumanoidRootPart.Position - destination.Position).magnitude < 6 then
					ready = true
					finishedConnection:Disconnect()
					blockedConnection:Disconnect()
				end
			end
		end

		local function onPathBlocked(blockedWaypointIndex)
			-- Check if the obstacle is further down the path
			if blockedWaypointIndex > currentWaypointIndex then
				-- Call function to re-compute the path
				followPath(destination)
			end
		end

		followPath(destination)

		-- Connect 'Blocked' event to the 'onPathBlocked' function
		blockedConnection = path.Blocked:Connect(function(...)
			onPathBlocked(...)
		end)

		-- Connect 'MoveToFinished' event to the 'onWaypointReached' function
		finishedConnection = humanoid.MoveToFinished:Connect(function(...)
			onWaypointReached(...)
		end)

	end
end