extends Node
var checks: int = 0
var failures: Array[String] = []
func check(ok: bool, label: String) -> void:
	checks += 1
	if not ok:
		failures.append(label)
		printerr("RIG_FAIL: ", label)
func _ready() -> void:
	call_deferred("run")
func run() -> void:
	var a: Node3D = AssetLibrary.instantiate_fighter("worker")
	var b: Node3D = AssetLibrary.instantiate_fighter("worker")
	add_child(a)
	add_child(b)
	check(a.skeleton.get_bone_count() == 27, "27 imported bones")
	check(a.player != b.player and a.skeleton != b.skeleton, "independent skeleton and playback")
	for clip: String in ["idle", "start", "walk", "stop", "strike", "pickup", "deposit", "return", "hit", "death"]:
		check(a.clips.has(clip), "imported clip " + clip)
		check(a.clip_length(clip) > .25, "clip duration " + clip)
	var hand: int = a.skeleton.find_bone("Hand.L")
	var rest: Quaternion = b.skeleton.get_bone_pose_rotation(hand)
	a.preview("strike", .80)
	check(a.skeleton.get_bone_pose_rotation(hand).angle_to(rest) > .05, "strike deforms weighted arm")
	a.preview("pickup", .40)
	var spine: int = a.skeleton.find_bone("Spine")
	check(a.skeleton.get_bone_pose_rotation(spine).angle_to(Quaternion.IDENTITY) > .05, "pickup crouches spine")
	a.preview("deposit", .60)
	check(a.current_clip == "deposit" or a.clips.has("deposit"), "deposit clip available")
	a.preview("idle", 0)
	check(a.skeleton.get_bone_pose_rotation(hand).is_equal_approx(b.skeleton.get_bone_pose_rotation(hand)), "idle restores hands after work")
	# Work cycle advances through tool contact, gather, deposit and return.
	var seen: Dictionary = {}
	for i in range(400):
		a.update_work(1.0 / 60, 0.0)
		seen[a.current_clip] = true
	check(seen.has("strike") and seen.has("pickup") and seen.has("deposit") and seen.has("return"), "full work cycle plays")
	check(seen.has("idle"), "idle gap between work steps")
	# Render cadence and worker phase offsets must not duplicate contact effects.
	for fps: int in [30, 60, 144]:
		for phase: float in [0.0, .83, 1.66]:
			var worker: Node3D = AssetLibrary.instantiate_fighter("worker")
			add_child(worker)
			var contacts: int = 0
			var extra_contact: bool = false
			var elapsed: float = 0.0
			var duration: float = worker.cycle_length() * 3.0
			while elapsed < duration - .000001:
				var step: float = minf(1.0 / fps, duration - elapsed)
				worker.update_work(step, phase)
				elapsed += step
				if worker.consume_strike_contact():
					contacts += 1
				worker.update_work(0.0, phase)
				extra_contact = extra_contact or worker.consume_strike_contact()
			check(contacts == 3 and not extra_contact, "%d FPS / phase %.2f: one contact per cycle, none while paused (contacts=%d, extra=%s)" % [fps, phase, contacts, extra_contact])
			worker.free()
	# Contact frame is on the strike clip, before follow-through.
	a.preview("strike", 0)
	var contact: float = .62 * a.clip_length("strike")
	a.preview("strike", contact)
	check(absf(a.player.current_animation_position - contact) < .02, "strike contact time is authored")
	var core: Node3D = AssetLibrary.instantiate_fighter("core_team0")
	add_child(core)
	check(core.has_method("set_core_health") and core.has_method("trigger_activate"), "core exposes activation and health")
	core.trigger_activate()
	core.set_core_health(.4)
	core.pose(0.5, false, 0, 0, 0, 1.0 / 60)
	check(true, "core pose accepts damage state")
	core.free()
	a.free()
	b.free()
	var f := FileAccess.open("res://docs/phase12-rig-verification.json", FileAccess.WRITE)
	f.store_string(JSON.stringify({"checks": checks, "failures": failures}, "\t"))
	f.close()
	print("RIG_PASS: ", checks, " checks; ", failures.size(), " failures")
	await Soundscape.quit_game(0 if failures.is_empty() else 1)