extends SceneTree
## Exact damage regression + visible game identity. La classifica e' attiva di default
## nelle build di gioco; qui, girando come --script, resta spenta.
const Player = preload("res://scripts/player.gd")
const Grenade = preload("res://scripts/grenade.gd")
const Boss = preload("res://scripts/alien_grunt.gd")
const Target = preload("res://tools/grenade_test_target.gd")
var checks := 0
var failures := 0

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

func check(ok: bool, label: String) -> void:
	checks += 1
	if not ok:
		failures += 1
	print("PASS: " if ok else "FAIL: ", label)

func run_test() -> void:
	check(Player.BULLET_DAMAGE == 17.5, "fucile: 35 -> 17,5 senza arrotondamento")
	check(Grenade.MAX_DAMAGE == 320 and Grenade.BLAST_RADIUS == 5,
		"granata: 160 -> 320, raggio invariato a 5m")
	check(Boss.stats_for_wave(10).ranged == 8 and Boss.stats_for_wave(20).ranged == 10,
		"proiettili alieni invariati a tutti i gradi")
	check(ProjectSettings.get_setting("application/config/name") == "Work-Death Balance",
		"titolo nativo del progetto aggiornato")
	var icon: Texture2D = load(ProjectSettings.get_setting("application/config/icon"))
	check(icon != null and icon.get_size() == Vector2(512, 512), "icona del progetto caricata, 512x512")
	var preset := ConfigFile.new()
	preset.load("res://export_presets.cfg")
	check(preset.get_value("preset.0.options", "html/export_icon", false),
		"favicon Web abilitata tramite esportazione icona ufficiale")
	var world = load("res://scenes/main.tscn").instantiate()
	root.add_child(world) # first real renamed startup also exercises profile migration
	world.player.set_physics_process(false)
	world.player.hp = 100000
	world.player.position = Vector3(0, 0.1, 2)
	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
	var title_found := false
	for label in world.start_screen.find_children("*", "Label", true, false):
		if label.text == "Work-Death Balance":
			title_found = true
	check(title_found, "menu mostra Work-Death Balance")
	check(world.leaderboard.disabled and world.leaderboard.base_url == "",
		"suite di test: nessun invio alla classifica pubblica")
	var zombie = load("res://scripts/zombie.gd").new()
	zombie.player = world.player
	zombie.position = Vector3(0, 0.05, -3)
	world.add_child(zombie)
	zombie.entering = false
	zombie.set_physics_process(false)
	world.player.camera.look_at(zombie.position + Vector3.UP)
	await physics_frame
	await physics_frame
	world.player.shoot()
	check(is_equal_approx(zombie.hp, 82.5), "colpo reale al corpo: esattamente 17,5 danni")
	world.player.camera.look_at(zombie.position + Vector3.UP * 1.7)
	world.player.shoot()
	check(is_equal_approx(zombie.hp, 38.75), "headshot zombie: 43,75 danni, moltiplicatore 2,5 invariato")
	zombie.queue_free()
	await process_frame
	var near := Target.new()
	near.position = Vector3(0, 0, -1)
	world.add_child(near)
	var half := Target.new()
	half.position = Vector3(0, 0, -2.5)
	world.add_child(half)
	var far := Target.new()
	far.position = Vector3(0, 0, -6)
	world.add_child(far)
	var grenade := Grenade.new()
	grenade.position = Vector3(0, 0.9, 0)
	grenade.thrower = world.player
	world.add_child(grenade)
	grenade.freeze = true
	var hp_before: float = world.player.hp
	var player_distance: float = grenade.position.distance_to(world.player.position + Vector3.UP * 0.9)
	var expected_self_damage := 320.0 * (1.0 - player_distance / 5.0)
	grenade._request_detonation(grenade.position)
	await process_frame
	await process_frame
	check(is_equal_approx(near.damage_taken, 256.0), "esplosione a 1m: 256 danni, decadimento lineare invariato")
	check(is_equal_approx(half.damage_taken, 160.0), "esplosione a 2,5m: 160 danni, il doppio di prima")
	check(far.damage_taken == 0, "nessun danno oltre il raggio originale")
	check(is_equal_approx(hp_before - world.player.hp, expected_self_damage),
		"danno dell'esplosione al tiratore raddoppiato con lo stesso decadimento")
	world.queue_free()
	await process_frame
	print(checks - failures, " controlli superati, ", failures, " falliti")
	quit(1 if failures else 0)