extends Node
# Main scene.

# Create the two peers.
var p1 = WebRTCPeerConnection.new()
var p2 = WebRTCPeerConnection.new()
var ch1 = p1.create_data_channel("chat", {"id": 1, "negotiated": true})
var ch2 = p2.create_data_channel("chat", {"id": 1, "negotiated": true})

func _ready():
	print(p1.create_data_channel("chat", {"id": 1, "negotiated": true}))
	# Connect P1 session created to itself to set local description.
	p1.session_description_created.connect(p1.set_local_description)
	# Connect P1 session and ICE created to p2 set remote description and candidates.
	p1.session_description_created.connect(p2.set_remote_description)
	p1.ice_candidate_created.connect(p2.add_ice_candidate)

	# Same for P2.
	p2.session_description_created.connect(p2.set_local_description)
	p2.session_description_created.connect(p1.set_remote_description)
	p2.ice_candidate_created.connect(p1.add_ice_candidate)

	# Let P1 create the offer.
	p1.create_offer()

	# Wait a second and send message from P1.
	await get_tree().create_timer(1).timeout
	ch1.put_packet("Hi from P1".to_utf8_buffer())

	# Wait a second and send message from P2.
	await get_tree().create_timer(1).timeout
	ch2.put_packet("Hi from P2".to_utf8_buffer())


func _process(delta):
	p1.poll()
	p2.poll()
	if ch1.get_ready_state() == ch1.STATE_OPEN and ch1.get_available_packet_count() > 0:
		print("P1 received: ", ch1.get_packet().get_string_from_utf8())
	if ch2.get_ready_state() == ch2.STATE_OPEN and ch2.get_available_packet_count() > 0:
		print("P2 received: ", ch2.get_packet().get_string_from_utf8())