c = require("component")
local term = require("term")
local component = require("component")
local sides = require("sides")
event = require("event")
os = require("os")
event = require("event")
computer = require("computer")
serialization = require("serialization")
local tun = component.tunnel
local gpu = component.gpu -- get primary gpu component
local w, h = gpu.getResolution()
gpu.fill(1, 1, w, h, " ") -- clears the screen
tun = c.tunnel
red = c.redstone
modem = c.modem
sg = c.stargate
port = 123
bm = c.beamer
local asd = 1
print("SGC Gate Computer Program v1.1 /by Kevlaris")
print("--------------------------------------------------------------------------------------------------------------------------------------------------------------")
print()

repeat
 term.clear(true)
	print("Listening for incoming messages and events across dimensions")
	print()

	local _, _, _, _, _, raw, address_raw = event.pull(nil, "modem_message")
	print("Message recieved.")
	os.sleep(0.5)

	if raw == "AlphaT" then
		print("Sending Message Relay 1")
		modem.broadcast(port, "Relay1A")
		os.sleep(1)
	elseif raw == "BaseT" then
		print("preparing base")
		modem.broadcast(port, "prepare")
		print("Engaging IO")
		red.setOutput(sides.left, 1)
		address = {"Crater", "Monoceros", "Scorpius", "Serpens Caput", "Sculptor", "Aquarius", "Point of Origin"}
		os.sleep(0.5)
		print("Dialing")
		for i,v in ipairs(address) do print(i,v) end
		print()
		function dialNext(dialed)
			glyph = address[dialed + 1]
			print("Engaging "..glyph.."... ")
			sg.engageSymbol(glyph)
		end
		eventID = event.listen("stargate_spin_chevron_engaged", function(evname, address, caller, num, lock, glyph)
		os.sleep(2)
			if lock then
				if (event.cancel(eventID)) then
					print("Event cancelled successfully")
				end
			print("Engaging...")
			sg.engageGate()
			bm.setBeamerRole("transmit")
   bm.setActive(true)
			print("Transmitting")
			os.sleep(1)
			os.sleep(10)
			bm.setBeamerRole("disabled")
			red.setOutput(sides.left, 0)
			doing = false
			os.sleep(1)
			print("Stargate Shutdown")
			sg.disengageGate()
			os.sleep(5)
			bm.setBeamerRole("receive")
			os.sleep(2)
		else
			dialNext(num)
		end



	end)



	dialNext(0)
	doing = true
	print()
	while doing do os.sleep(0.1) end

	elseif raw == "Relay2B" then
		print("Recieving")
		bm.setBeamerRole("receive")
  bm.setActive(true)
		red.setOutput(sides.right, 1)
		os.sleep(83)
		print("Engaging IO")
		red.setOutput(sides.right, 0)
		os.sleep(1)
		red.setOutput(sides.right, 1)
		os.sleep(1)
		red.setOutput(sides.right, 0)
		print("Resetting")
		red.setOutput(sides.back, 1)
		os.sleep(1)
		red.setOutput(sides.back, 0)

	end
until asd == 2