extends SceneTree

var failures: Array[String] = []


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


func _run() -> void:
	var manager := _create_manager()
	var witness: SimNPC = manager.npcs[0]
	var hungry_witness: SimNPC = manager.npcs[1]
	var distant: SimNPC = manager.npcs[2]
	witness.hunger = 20.0
	hungry_witness.hunger = 85.0
	witness.position = Vector3(4.0, 0.0, 0.0)
	hungry_witness.position = Vector3(5.0, 0.0, 0.0)
	distant.position = Vector3(40.0, 0.0, 0.0)

	var berry := ResourceNode.new()
	berry.name = "PlayerSocialBerry"
	berry.node_id = &"player_social_berry"
	berry.action_id = SimulationIds.ACTION_GATHER_FOOD
	berry.resource_id = SimulationIds.RESOURCE_FOOD
	berry.initial_amount = 1.0
	berry.yield_per_action = 1.0
	berry.debug_label_enabled = false
	var interaction_point := Marker3D.new()
	interaction_point.name = "InteractionPoint"
	interaction_point.position = Vector3.ZERO
	berry.add_child(interaction_point)
	root.add_child(berry)
	await process_frame
	_check(
		manager.register_resource_node(berry),
		"Player supply test should bind a real finite ResourceNode"
	)
	_check(
		is_equal_approx(manager.harvest_resource_node(berry), 1.0),
		"Player harvesting should supply the real pantry"
	)

	var supply_event := _latest_event_of_type(manager, SimulationIds.EVENT_RESOURCE_EXTRACTED)
	var supply_event_id := int(supply_event.data["event_id"])
	_check(
		(
			int(supply_event.data["actor_id"]) == SimulationIds.PLAYER_ACTOR_ID
			and (
				StringName(supply_event.data["destination_id"])
				== SimulationIds.STORAGE_VILLAGE_PANTRY
			)
		),
		"The player supply should be recorded as a pantry food extraction by the player actor"
	)
	_check(
		(
			manager.npc_knows_event(witness.id, supply_event_id)
			and manager.npc_knows_event(hungry_witness.id, supply_event_id)
			and not manager.npc_knows_event(distant.id, supply_event_id)
		),
		"Nearby living villagers should witness the player restock while distant ones stay unaware"
	)

	var calm_relationship: RelationshipStateRecord = manager.relationship_system.get_relationship(
		witness.id, SimulationIds.PLAYER_ACTOR_ID
	)
	_check(
		calm_relationship == null, "A non-hungry witness should not gain trust toward the player"
	)
	var hungry_relationship: RelationshipStateRecord = manager.relationship_system.get_relationship(
		hungry_witness.id, SimulationIds.PLAYER_ACTOR_ID
	)
	_check(
		(
			hungry_relationship != null
			and is_equal_approx(hungry_relationship.get_familiarity(), 0.5)
			and is_equal_approx(hungry_relationship.get_trust(), 0.65)
			and hungry_relationship.get_last_trust_cause_event_id() == supply_event_id
		),
		"A hungry witness should gain directed trust toward the player from the real supply event"
	)

	var saved_json: String = manager.serialize_state()
	var restored := _create_manager(902)
	_check(
		restored.restore_state_from_json(saved_json),
		"A player relationship should survive schema-v12 save and restore"
	)
	_check(
		(
			restored.get_state_checksum() == manager.get_state_checksum()
			and restored.npc_knows_event(hungry_witness.id, supply_event_id)
			and (
				restored.relationship_system.get_relationship(
					hungry_witness.id, SimulationIds.PLAYER_ACTOR_ID
				)
				!= null
			)
		),
		"Restored player trust should preserve checksum, evidence, and the directed relationship"
	)
	restored.free()

	berry.queue_free()
	manager.free()

	var legacy_v11 := _create_v11_legacy()
	var migrated := SimulationStateRecord.from_dictionary(legacy_v11)
	_check(
		(
			migrated != null
			and migrated.simulation.get("next_opportunity_id", -1) >= 0
			and not migrated.opportunities.is_empty()
		),
		"World schema v11 should migrate to v12 without dropping opportunity history"
	)

	_finish()


func _create_v11_legacy() -> Dictionary:
	var manager := _create_manager(901)
	var pantry: StorageStateRecord = manager.get_pantry()
	pantry.withdraw(SimulationIds.RESOURCE_FOOD, pantry.get_amount(SimulationIds.RESOURCE_FOOD))
	pantry.deposit(SimulationIds.RESOURCE_FOOD, 1.0)
	manager.economy.sync_resource(SimulationIds.RESOURCE_FOOD)
	var actor: SimNPC = manager.npcs[0]
	actor.position = Vector3.ZERO
	actor.hunger = 85.0
	manager.economy.withdraw_to_inventory(actor, SimulationIds.RESOURCE_FOOD, 1.0)
	manager.economy.deposit_inventory(actor, SimulationIds.RESOURCE_FOOD)
	var record: Dictionary = manager.create_state_record().to_dictionary()
	record["schema_version"] = 11
	manager.free()
	return record


func _create_manager(seed_value: int = 901) -> Node:
	var manager: Node = load("res://simulation/SimulationManager.gd").new()
	manager.simulation_seed = seed_value
	manager.debug_logs = false
	var home_positions: Array[Vector3] = [
		Vector3(0.0, 0.0, 0.0),
		Vector3(2.0, 0.0, 0.0),
		Vector3(10.0, 0.0, 0.0),
		Vector3(12.0, 0.0, 0.0),
		Vector3(30.0, 0.0, 30.0),
		Vector3(40.0, 0.0, 40.0),
	]
	manager.home_positions = home_positions
	root.add_child(manager)
	manager.set_process(false)
	return manager


func _latest_event_of_type(manager: Node, event_type: StringName) -> EconomicEventRecord:
	var events: Array = manager.economic_events
	for index in range(events.size() - 1, -1, -1):
		var event := events[index] as EconomicEventRecord
		if StringName(event.data["event_type"]) == event_type:
			return event
	return null


func _finish() -> void:
	if failures.is_empty():
		print("[TEST] Player social consequence passed: supply -> witness -> trust")
		quit(0)
		return
	for failure in failures:
		push_error("[TEST] " + failure)
	quit(1)


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