extends SceneTree
var checks := 0
var failures := 0
var runtime: Variant
var clock: Variant
var state: Variant
func expect(ok: bool, message: String) -> void:
	checks += 1
	if not ok: failures += 1; push_error(message)
func _initialize() -> void: call_deferred("run")
func build(id: StringName, origin: Vector3i) -> bool:
	var result: CommandResult = runtime.submit_command(&"build_facility", {&"definition_id":id,&"origin":origin})
	expect(result.is_success(), "normal build %s: %s" % [id,result.message])
	if not result.is_success(): return false
	clock.advance_minutes(runtime.definition_registry.get_facility(id).build_minutes)
	return true
func run() -> void:
	runtime=load("res://autoload/simulation_runtime.gd").new()
	clock=load("res://autoload/game_clock.gd").new();state=load("res://autoload/game_state.gd").new()
	clock.reset(1,6,0);state.reset();runtime.initialize(clock,state,42502);clock.set_paused(true)
	if not build(&"reception",Vector3i(-6,0,0)) or not build(&"premium_room",Vector3i(-6,2,0)) or not build(&"guest_stairs",Vector3i(-7,1,0)) or not build(&"guest_stairs",Vector3i(-7,2,0)):
		finish();return
	var room_id: StringName = &""
	for room: FacilityInstance in runtime.facility_service.get_instances():
		if room.definition_id==&"premium_room": room_id=room.instance_id
	expect(runtime.get_facility_access_report(room_id)[&"reachable"], "normal stairs make premium room reachable from entrance")
	var spawn: CommandResult = runtime.submit_command(&"spawn_guest",{&"guest_id":&"premium_walker",&"guest_type_id":&"traveler",&"gold":1000,
		&"options":{&"current_cell":Vector3i(-7,0,0),&"state":GuestRuntime.State.DECIDING,&"planned_exit_at":clock.absolute_minute+2000,
		&"needs":{&"sleep":100,&"hunger":0,&"hygiene":0,&"medical":0,&"leisure":0,&"intimacy":0}}})
	expect(spawn.is_success(), "guest enters deciding state without forcing target or route")
	var used_stairs := false
	var selected_room := false
	var service_id: StringName = &""
	var moving_save := {}
	for minute in 40:
		clock.advance_one_minute()
		var guest: GuestRuntime = runtime.guest_service.get_guest(&"premium_walker")
		if guest==null: break
		selected_room = selected_room or guest.target_facility_id==room_id
		if guest.current_cell==Vector3i(-7,1,0):
			used_stairs=true
			if moving_save.is_empty(): moving_save=runtime.create_snapshot()
		if not guest.current_service_id.is_empty():
			service_id=guest.current_service_id;break
	expect(selected_room, "highest sleep need selects premium room autonomously")
	expect(used_stairs, "guest physically traverses first staircase landing")
	expect(not service_id.is_empty(), "guest arrival automatically queues and starts lodging")
	if service_id.is_empty():
		var guest: GuestRuntime=runtime.guest_service.get_guest(&"premium_walker")
		print("Guest diagnostic: ", guest.create_snapshot() if guest!=null else {})
		finish();return
	var started: Dictionary=runtime.create_snapshot()
	expect(not moving_save.is_empty() and runtime.restore_snapshot(moving_save), "actual stair movement save restores")
	for minute in 40:
		clock.advance_one_minute()
		if not runtime.guest_service.get_guest(&"premium_walker").current_service_id.is_empty(): break
	expect(runtime.create_snapshot()==started, "stair-save replay reproduces arrival and queued service exactly")
	clock.advance_minutes(360)
	var mid: Dictionary=runtime.create_snapshot()
	expect(runtime.restore_snapshot(mid), "real guest and in-progress premium service restore together")
	var elapsed: int=runtime.facility_service.get_service(service_id).elapsed_minutes
	state.set_resource(&"mana",0)
	clock.advance_minutes(15)
	var paused: ServiceInstance=runtime.facility_service.get_service(service_id)
	expect(paused.state==ServiceInstance.State.PAUSED and paused.elapsed_minutes==elapsed, "zero mana pauses actual guest lodging without consuming service time")
	expect(runtime.economy_service.get_balance(&"GUEST_WALLET:premium_walker")==1000, "outage does not charge real lodging guest")
	var disk_path := "user://saves/premium_guest_outage_%d" % Time.get_ticks_usec()
	var outage: Dictionary=runtime.create_snapshot()
	expect(SaveService.save_snapshot(disk_path,outage)[&"ok"], "write real guest outage snapshot to disposable save")
	var saved := SaveService.load_snapshot(disk_path)
	expect(saved[&"ok"] and runtime.restore_snapshot(saved[&"snapshot"]), "restore real guest, paused service and empty mana from disk")
	SaveService.delete_save(disk_path)
	state.set_resource(&"mana",100)

	for minute in 370:
		clock.advance_one_minute()
		if runtime.facility_service.get_service(service_id).state==ServiceInstance.State.COMPLETED: break
	expect(runtime.facility_service.get_service(service_id).state==ServiceInstance.State.COMPLETED, "autonomous premium stay completes after restored continuation")
	expect(runtime.economy_service.get_balance(&"GUEST_WALLET:premium_walker")==780, "real guest pays one premium lodging charge")
	expect(runtime.restore_snapshot(runtime.create_snapshot()), "completed guest/service/path/economy crosslinks remain saveable")
	clock.advance_minutes(maxi(1440-clock.absolute_minute,0))
	expect(runtime.economy_service.validate_ledger()[&"ok"] and runtime.restore_snapshot(runtime.create_snapshot()), "autonomous lodging and upkeep survive midnight ledger close and restore")
	capacity_flow()
	finish()
func finish() -> void:
	runtime.free();clock.free();state.free()
	print("Premium guest flow: %d checks, %d failures" % [checks,failures]);quit(failures)

func capacity_flow() -> void:
	clock.reset(1,6,0);state.reset();runtime.initialize(clock,state,42503);clock.set_paused(true)
	if not build(&"reception",Vector3i(-6,0,0)) or not build(&"premium_room",Vector3i(-6,2,0)) or not build(&"guest_stairs",Vector3i(-7,1,0)) or not build(&"guest_stairs",Vector3i(-7,2,0)): return
	var room_id: StringName=&""
	for room: FacilityInstance in runtime.facility_service.get_instances():
		if room.definition_id==&"premium_room": room_id=room.instance_id
	for index in 3:
		var id:=StringName("premium_capacity_%d" % index)
		expect(runtime.submit_command(&"spawn_guest",{&"guest_id":id,&"guest_type_id":&"traveler",&"gold":1000,
			&"options":{&"current_cell":Vector3i(-7-index,0,0),&"state":GuestRuntime.State.DECIDING,&"planned_exit_at":clock.absolute_minute+2000,
			&"needs":{&"sleep":100,&"hunger":0,&"hygiene":0,&"medical":0,&"leisure":0,&"intimacy":0}}}).is_success(), "spawn autonomous capacity guest")
	var maximum := 0
	var saw_queue := false
	var exceeded := false
	for minute in 60:
		clock.advance_one_minute()
		var using: int=runtime.facility_service.get_active_services(room_id).size()
		maximum=maxi(maximum,using)
		exceeded=exceeded or using>2
		if using==2:
			for guest: GuestRuntime in runtime.guest_service.get_guests():
				if guest.target_facility_id==room_id and guest.state==GuestRuntime.State.QUEUING: saw_queue=true
	expect(maximum==2 and not exceeded, "three autonomous guests never exceed two simultaneous lodging users")
	expect(saw_queue, "third guest waits separately from the two using the room")
	var crowded: Dictionary=runtime.create_snapshot()
	expect(runtime.restore_snapshot(crowded) and runtime.create_snapshot()==crowded, "occupied room and separate queue restore exactly")