extends SceneTree

const RIG_SCENE_PATH := "res://scenes/stickman_rig.tscn"
const EXPECTED_UID := "uid://dr5ef3l2var2s"

var _checks := 0
var _failures := 0


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


func _run() -> void:
	var scene_source := FileAccess.get_file_as_string(RIG_SCENE_PATH)
	_check(scene_source.contains('uid="%s"' % EXPECTED_UID), "relocated scene retains its UID")
	var packed := load(RIG_SCENE_PATH) as PackedScene
	_check(packed != null, "relocated rig scene loads")
	if packed == null:
		_finish()
		return
	var rig := packed.instantiate() as StickmanRig
	_check(rig != null, "scene root remains StickmanRig")
	root.add_child(rig)
	await process_frame
	await physics_frame
	var locomotion := rig.get_node_or_null("RigComponents/Locomotion") as StickmanLocomotion
	var ragdoll := rig.get_node_or_null("RigComponents/Ragdoll") as StickmanRagdoll
	var runner := rig.get_node_or_null("RigComponents/ActionRunner") as StickmanActionRunner
	_check(locomotion != null, "typed Locomotion component resolves")
	_check(ragdoll != null, "typed Ragdoll component resolves")
	_check(runner != null, "typed ActionRunner component resolves")
	_check(rig.get_locomotion() == locomotion, "root locomotion facade exposes authored component")

	var assigned: Array[Dictionary] = [{"type": "wait", "duration": 0.25}]
	rig.action_queue = assigned
	_check(runner.action_queue.size() == 1, "direct root action_queue assignment delegates")
	_check(rig.get_queue() == assigned, "root queue query preserves compatibility")
	rig.queue_action({"type": "speak", "text": "modular", "duration": 0.1})
	_check(runner.action_queue.size() == 2, "root queue mutation delegates")

	rig.set_ragdoll(true)
	await physics_frame
	_check(rig.state == StickmanRig.RigState.RAGDOLL, "root remains ragdoll state authority")
	_check(ragdoll.get_bodies().size() == 10, "ragdoll component owns ten physics bodies")
	rig.snap_to_standing()
	await physics_frame
	_check(rig.state == StickmanRig.RigState.ANIMATED, "snap facade returns to ANIMATED")
	_check(ragdoll.get_bodies().is_empty(), "snap destroys component-owned ragdoll bodies")

	rig.queue_free()
	await process_frame
	await process_frame
	var orphan := root.find_child("RagdollBodyContainer", true, false)
	_check(orphan == null, "freeing rig leaves no ragdoll container orphan")
	_finish()


func _check(condition: bool, label: String) -> void:
	_checks += 1
	if condition:
		print("PASS: %s" % label)
	else:
		_failures += 1
		push_error("FAIL: %s" % label)


func _finish() -> void:
	if _failures == 0:
		print("RESULT: ALL PASSED (%d assertions)" % _checks)
		quit(0)
	else:
		print("RESULT: %d FAILURE(S) out of %d assertions" % [_failures, _checks])
		quit(1)