extends Node
## Two-process loopback smoke test. Launch twice:
##   godot --headless --path . res://tools/luneraria/net_pair.tscn -- --role=host --port=24571
##   godot --headless --path . res://tools/luneraria/net_pair.tscn -- --role=client --port=24571
## This is a local two-process loopback test, not a six-player internet match.
const Session = preload("res://scripts/luneraria/net/lune_session.gd")
var role: String = "host"
var port: int = 24571
var address: String = "127.0.0.1"
var session: Node
var steps: int = 0

func _ready() -> void:
	for arg: String in OS.get_cmdline_user_args():
		if arg.begins_with("--role="):
			role = arg.substr(7)
		elif arg.begins_with("--port="):
			port = int(arg.substr(7))
		elif arg.begins_with("--address="):
			address = arg.substr(10)
	session = Session.new()
	session.name = "LuneSession"
	add_child(session)
	session.session_message.connect(func(text: String, is_error: bool) -> void:
		print("NET_MSG ", "ERR " if is_error else "OK  ", text))
	call_deferred("start")

func start() -> void:
	if role == "host":
		var options := {"seed": 42, "human_slot": 0,
			"bunds": ["glutpakt", "wurzelbund", "glutpakt", "wurzelbund", "glutpakt", "wurzelbund"]}
		var err: int = session.host_enet(port, options, "Host")
		print("NET_HOST ", "OK" if err == OK else session.last_error)
		if err != OK:
			get_tree().quit(1)
			return
		session.lobby_changed.connect(func() -> void:
			print("NET_LOBBY ", session.lobby))
	else:
		var err: int = session.join_enet(address, port, "Gast")
		print("NET_JOIN ", "OK" if err == OK else session.last_error)
		if err != OK:
			get_tree().quit(1)
			return
		session.match_resetup.connect(func() -> void:
			print("NET_SETUP seat=", session.local_slot, " players=", session.match_state.players.size())
			var spoof: Dictionary = session.host_command(1, 5, {"type": "buy", "type_id": "w01"})
			print("NET_SPOOF ", "REJECTED" if not spoof.ok else "ACCEPTED-BAD")
			var ids: Array[String] = session.match_state.base_ids(session.match_state.players[session.local_slot].bund)
			var buy: Dictionary = session.submit({"type": "buy", "type_id": ids[0]})
			print("NET_BUY_SENT ", buy.ok)
			print("NET_CLIENT_DONE seat=", session.local_slot)
			get_tree().quit(0 if (not spoof.ok and buy.ok) else 1), CONNECT_ONE_SHOT)

func _process(_delta: float) -> void:
	steps += 1
	if steps > 1200:
		print("NET_TIMEOUT role=", role)
		get_tree().quit(2)
		return
	if role == "host" and session != null and session.match_state != null:
		if session.match_state.phase == LuneMatch.Phase.PLANNING and steps == 400:
			session.plan_bot_seats()
			session.host_ready(0)
		if session.match_state.phase == LuneMatch.Phase.COMBAT:
			session.broadcast_combat_units()
			if steps % 20 == 0:
				session.match_state.step_combat()
			if steps >= 700:
				session.host_finish_combat()
				print("NET_HOST_DONE round=", session.match_state.round_number, " phase=", session.match_state.phase)
				get_tree().quit(0)