extends Node

# Manual two-process smoke test for Phase 2 (tasks 2.1-2.5): match_config,
# server-authoritative simulation, snapshot broadcast, client interpolation.
# Not part of tests/test_runner.tscn — needs real ENet peers and a real
# physics-driven ship. Run:
#
#   godot --headless --path Game res://tests/networked_match_smoke.tscn -- --role=host
#   godot --headless --path Game res://tests/networked_match_smoke.tscn -- --role=client

const PORT := 7812
const SETTLE_SECONDS := 2.0     # time to let match_config + a few snapshots land before checking spawn state
const DRIVE_SECONDS := 2.0      # time to hold forward thrust and let the ship actually move
const HOST_LIFETIME_SECONDS := 10.0

var _role := ""


func _ready() -> void:
	for arg in OS.get_cmdline_user_args():
		if arg.begins_with("--role="):
			_role = arg.substr("--role=".length())

	match _role:
		"host":
			var err := NetworkManager.host(PORT)
			if err != OK:
				print("SMOKE FAIL: host() failed: %s" % error_string(err))
				get_tree().quit(1)
				return
			print("SMOKE: hosting on port %d, waiting for a client to join the roster..." % PORT)
			MatchNet.player_joined.connect(_on_host_player_joined)
		"client":
			MatchNet.local_player_name = "NetTest"
			var err := NetworkManager.join("127.0.0.1", PORT)
			if err != OK:
				print("SMOKE FAIL: join() failed: %s" % error_string(err))
				get_tree().quit(1)
				return
			print("SMOKE: joining ...")
			MatchNet.welcomed.connect(_on_client_welcomed)
		"client-abuse-malformed", "client-abuse-flood":
			# task 3.4's disconnect-abusive-peer paths: joins normally (so
			# it's a real connected peer, exactly like a hostile custom
			# client would be — the validation doesn't get to assume
			# anything about who's on the other end of an authenticated
			# connection), then deliberately abuses MatchSim._recv_input
			# directly rather than going through networked_match.gd's own
			# honest encoder.
			MatchNet.local_player_name = "Abuser"
			var err := NetworkManager.join("127.0.0.1", PORT)
			if err != OK:
				print("SMOKE FAIL: join() failed: %s" % error_string(err))
				get_tree().quit(1)
				return
			print("SMOKE: joining to abuse (%s) ..." % _role)
			MatchNet.welcomed.connect(_on_abuser_welcomed)
		_:
			print("SMOKE FAIL: missing or unrecognised --role=")
			get_tree().quit(1)
			return


func _process(_delta: float) -> void:
	NetworkManager.poll()


func _physics_process(_delta: float) -> void:
	NetworkManager.poll()


func _on_host_player_joined(_peer_id: int, _name: String) -> void:
	MatchNet.player_joined.disconnect(_on_host_player_joined)
	print("SMOKE: host loading networked_match.tscn ...")
	get_tree().change_scene_to_file.call_deferred("res://scenes/networked_match.tscn")
	var hooks := preload("res://tests/networked_match_test_hooks.gd").new()
	get_tree().root.add_child.call_deferred(hooks)
	hooks.run_host_check.call_deferred(HOST_LIFETIME_SECONDS)


func _on_client_welcomed() -> void:
	MatchNet.welcomed.disconnect(_on_client_welcomed)
	print("SMOKE: client loading networked_match.tscn ...")
	get_tree().change_scene_to_file.call_deferred("res://scenes/networked_match.tscn")
	var hooks := preload("res://tests/networked_match_test_hooks.gd").new()
	get_tree().root.add_child.call_deferred(hooks)
	hooks.run_client_check.call_deferred(SETTLE_SECONDS, DRIVE_SECONDS)


func _on_abuser_welcomed() -> void:
	MatchNet.welcomed.disconnect(_on_abuser_welcomed)
	var hooks := preload("res://tests/networked_match_test_hooks.gd").new()
	get_tree().root.add_child.call_deferred(hooks)
	if _role == "client-abuse-malformed":
		hooks.run_malformed_abuse_check.call_deferred()
	else:
		hooks.run_rate_limit_abuse_check.call_deferred()