extends SceneTree
## Component and read-only rendering checks; never OS or same-demand proof.
const Presentation := preload("res://scripts/ui/room_presentation.gd")
const Stream := preload("res://tests/fixtures/p23-03/diagnostic_stream.gd")
var checks := 0
var failures := 0

func _initialize() -> void:
	call_deferred("run")

func expect(value: bool, message: String) -> void:
	checks += 1
	if not value:
		failures += 1
		push_error("P23 life observation: " + message)

func run() -> void:
	var layout := OS.get_environment("P23_LAYOUT")
	var output_directory := OS.get_environment("P23_OUTPUT")
	if layout in ["A", "B"] and not output_directory.is_empty():
		var comparison := preload("res://tests/fixtures/p23-03/layout_comparison.gd").new()
		expect(await comparison.run(self, output_directory, layout), "native layout " + layout)
		print("P23 life observation: %d checks, %d failures" % [checks, failures])
		quit(0 if failures == 0 else 1)
		return
	var clock: Variant = root.get_node("GameClock")
	clock.set_paused(true)
	# Isolated real typed components test state labels, without claiming gameplay.
	var labels: Dictionary = {}
	for state: int in FacilityInstance.State.values():
		var room := FacilityInstance.new().configure(&"component", &"reception")
		room.state = state as FacilityInstance.State
		var description := Presentation.describe(room)
		expect(description[&"state_name"] == FacilityInstance.State.keys()[state], "enum name preserved")
		var text := Presentation.business_label(description)
		expect(not text.is_empty() and not labels.has(text), "distinct visible business reason")
		labels[text] = true
	for reason: StringName in [&"RAIDED", &"DESTROYED"]:
		var room := FacilityInstance.new().configure(&"component", &"reception", {&"suspension_reason": reason})
		var description := Presentation.describe(room)
		expect(description[&"operation"] == FacilityInstance.OperationState.SUSPENDED, "actual suspension operation")
		var text := Presentation.business_label(description)
		expect(not labels.has(text), "raid and damage have separate visible labels")
		labels[text] = true
	var room := FacilityInstance.new().configure(&"component", &"reception", {&"customer_capacity": 3})
	var service := ServiceInstance.new()
	service.guest_ids.assign([&"b", &"a"])
	room.active_services[&"service"] = service
	room.queue_entries.assign([&"queue-only"])
	var description := Presentation.describe(room)
	expect(description[&"people"] == [&"a", &"b"] and description[&"count"] == 2, "queue entries are not room occupants")
	description[&"people"].clear()
	expect(service.guest_ids.size() == 2, "presentation owns its arrays")
	var runtime: Variant = root.get_node("SimulationRuntime")
	var view := WorldPreview.new()
	view.size = Vector2(1440, 810)
	view.set_runtime(runtime)
	root.add_child(view)
	var before: PackedByteArray = var_to_bytes(runtime.create_snapshot())
	var tracks: PackedByteArray = var_to_bytes([view._actor_tracks, view._elevator_tracks])
	var model := view._build_life_observation()
	expect(var_to_bytes(runtime.create_snapshot()) == before, "builder does not mutate Runtime")
	expect(var_to_bytes([view._actor_tracks, view._elevator_tracks]) == tracks, "builder does not advance visual tracks")
	expect(model.has(&"rooms") and model.has(&"landing_badges") and model.has(&"elevators") and model.has(&"staff") and model.has(&"goods") and model.has(&"badges"), "all six category fields exist")
	expect(model[&"traffic"].size() > 0 and not view.show_grid, "normal view observes real walkable traffic")
	await process_frame
	await process_frame
	var report := view.get_life_observation_report()
	expect(not report.is_empty(), "actual drawing published an observation")
	# The getter exposes the last actual draw and must not create another model.
	var original: PackedByteArray = var_to_bytes(report)
	if report.has(&"traffic"):
		report[&"traffic"].clear()
	expect(var_to_bytes(view.get_life_observation_report()) == original, "nested report arrays are isolated")
	report.clear()
	expect(var_to_bytes(view.get_life_observation_report()) == original, "public report is a deep copy")
	var output := OS.get_environment("P23_LIFE_DIAGNOSTIC_ROOT")
	if not output.is_empty():
		var stream := Stream.new()
		expect(stream.open(output), "fresh sparse diagnostic stream")
		expect(stream.capture("initial", runtime, view), "whole typed state and draw report capture")
		stream.close()
	view.free()
	print("P23 life observation: %d checks, %d failures" % [checks, failures])
	quit(0 if failures == 0 else 1)