extends SceneTree

var failures: Array[String] = []


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


func _run() -> void:
	var main_scene: Node = load("res://main.tscn").instantiate()
	root.add_child(main_scene)
	await process_frame
	for _frame in 10:
		await physics_frame

	var manager := main_scene.get_node("SimulationManager")
	var world_view := main_scene.get_node("WorldViewManager")
	var demo := main_scene.get_node("DemoController")
	var caption := main_scene.get_node("CrisisCaptionLayer/CrisisCaption") as Label
	manager.set_process(false)

	var staged: Dictionary = demo.stage_pantry_crisis()
	_check(not staged.is_empty(), "The repeatable pantry crisis should stage from a fresh scene")
	if staged.is_empty():
		_finish()
		return
	var helper: SimNPC = staged["helper"]
	var interested: SimNPC = staged["interested"]
	var shortage_actor: SimNPC = staged["shortage_actor"]
	var opportunity: OpportunityStateRecord = staged["opportunity"]
	var pantry: StorageStateRecord = manager.get_pantry()
	var helper_visual: Node3D = world_view.active_npc_visuals.get(helper.id)
	var interested_visual: Node3D = world_view.active_npc_visuals.get(interested.id)

	_check(
		is_equal_approx(pantry.get_amount(SimulationIds.RESOURCE_FOOD), 0.0),
		"The demo shortage should empty the authoritative pantry"
	)
	_check(
		is_equal_approx(shortage_actor.get_inventory_amount(SimulationIds.RESOURCE_FOOD), 0.0),
		"The final pantry unit should be consumed through the real economy before the food run"
	)
	_check(
		(
			opportunity.get_interested_npc_id() == interested.id
			and interested_visual.get_node("OpportunityConcernRoot").visible
			and interested_visual.current_target == Vector3.INF
		),
		"The informed hungry villager should own and visibly express the open need"
	)
	_check(
		not caption.visible,
		"The cinematic caption should remain hidden until the full sequence starts"
	)

	_check(demo.begin_pantry_restock(), "A trusted helper should begin the real food run")
	var decision: ActionSelectionResult = manager.get_latest_decision(helper.id)
	_check(
		(
			decision != null
			and decision.action_id == SimulationIds.ACTION_GATHER_FOOD
			and interested.npc_name in decision.reason
		),
		"The helper's selected action should be caused by the starving trusted villager"
	)
	_check(
		(
			helper.task_state == SimNPC.TASK_STATE_TRAVELING
			and helper.has_travel_target
			and not helper.target_id.is_empty()
		),
		"The helper should reserve and travel to a finite food ResourceNode"
	)
	var resource_state: ResourceStateRecord = manager.get_resource_state(helper.target_id)
	_check(
		(
			resource_state != null
			and resource_state.get_resource_id() == SimulationIds.RESOURCE_FOOD
			and resource_state.get_reserved_by() == helper.id
		),
		"The demo trip should use the normal finite-resource reservation contract"
	)

	helper_visual.global_position = helper.travel_target_position
	manager.synchronize_npc_position(helper.id, helper_visual.global_position)
	manager.notify_npc_arrived(helper.id)
	for _tick in int(ceil(helper.task_duration)):
		manager.simulate_tick()
	_check(
		(
			helper.get_inventory_amount(SimulationIds.RESOURCE_FOOD) > 0.0
			and helper_visual.get_node("CarriedFood").visible
		),
		"Completing the real gather action should create visible carried food"
	)

	manager.simulate_tick()
	_check(
		(
			helper.current_task == SimulationIds.ACTION_DEPOSIT_FOOD
			and helper.target_id == SimulationIds.STORAGE_VILLAGE_PANTRY
			and helper.has_travel_target
		),
		"The helper should autonomously choose the real pantry deposit after gathering"
	)
	helper_visual.global_position = helper.travel_target_position
	manager.synchronize_npc_position(helper.id, helper_visual.global_position)
	manager.notify_npc_arrived(helper.id)
	manager.simulate_tick()

	var pantry_visual := (
		main_scene.get_node("JajceWorld/WorldObjects/StorageSites/VillagePantry/PantryPresentation")
		as PantryStockVisual
	)
	var resolved: OpportunityStateRecord = manager.opportunity_system.get_latest()
	_check(
		(
			manager.get_active_opportunity() == null
			and resolved != null
			and resolved.get_status() == SimulationIds.OPPORTUNITY_STATUS_RESOLVED
			and resolved.get_resolution_event_id() > resolved.get_trigger_event_id()
		),
		"The exact later deposit event should resolve the same opportunity record"
	)
	_check(
		(
			pantry.get_amount(SimulationIds.RESOURCE_FOOD) > 0.0
			and pantry_visual.get_node("RefillResponse").visible
			and not interested_visual.get_node("OpportunityConcernRoot").visible
		),
		"The deposit should physically restock the pantry and clear the concern cue"
	)
	_check(
		(
			_has_event(manager.economic_events, SimulationIds.EVENT_RESOURCE_EXTRACTED, helper.id)
			and _has_event(
				manager.economic_events, SimulationIds.EVENT_STORAGE_DEPOSITED, helper.id
			)
		),
		"The sequence should be traceable through real extraction and deposit events"
	)

	_finish()


func _has_event(events: Array[EconomicEventRecord], event_type: StringName, actor_id: int) -> bool:
	for event in events:
		if (
			StringName(event.data["event_type"]) == event_type
			and int(event.data["actor_id"]) == actor_id
		):
			return true
	return false


func _check(condition: bool, message: String) -> void:
	if not condition:
		failures.append(message)


func _finish() -> void:
	if failures.is_empty():
		print("[TEST] Pantry crisis demo scenario passed")
		quit(0)
		return
	for failure in failures:
		push_error("[TEST] " + failure)
	quit(1)