extends SceneTree
## WEGWERF-Beweis-Probe (Karte t_50a07d4b): Editor-Ansicht mit echten
## Camo-GLBs — WYSIWYG-Check. 4 Objekte (Wall, Ground, Barrel, Cactus)
## im echten Map Builder, CAMO-Zuordnung wie im Spiel. Screenshot nach
## PROBE_PNG-Umgebungsvariable. Zahlen-Beweis zusätzlich auf stdout.
## Aufruf: xvfb-run -a godot4 --path . --rendering-driver opengl3 \
##           -s res://tests/probe_camo_render.gd

const OBJEKTE := [
	{"id": "wall_001", "pos": [4.0, 0.0, 4.0], "scale": 1.0},
	{"id": "ground_001", "pos": [10.0, 0.0, 4.0], "scale": 1.0},
	{"id": "barrel_001", "pos": [16.0, 0.0, 4.0], "scale": 1.0},
	{"id": "cactus_001", "pos": [22.0, 0.0, 4.0], "scale": 1.0},
]


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


func _run() -> void:
	# GLB-Quelle = Client-Repo (wie im Spiel-Stand, t_c8748efc-Beweis).
	ProjectSettings.set_setting("scopedvr/editor/glb_quellen",
			["../scopedvr-client/assets/objekte"])
	load("res://src/viewport/glb_mesh_store.gd").call("cache_leeren")

	var scene: PackedScene = load("res://scenes/main.tscn")
	var main = scene.instantiate()
	root.add_child(main)
	await process_frame
	await process_frame
	DisplayServer.window_set_mode(DisplayServer.WINDOW_MODE_WINDOWED)
	DisplayServer.window_set_size(Vector2i(1600, 900))
	for p in OBJEKTE:
		(main.doc["objects"] as Array).append(p.duplicate(true))
	main.call("_after_structure_change")
	await process_frame
	await process_frame
	var cam = main.get("camera")
	if cam != null:
		cam.set("distance", 32.0)
		cam.call("focus_on", Vector3(12.0, 0.0, 4.0))
	await process_frame
	await process_frame
	await process_frame

	# Zahlen-Beweis: JEDE GLB-Fläche trägt die GEMEINSAME Camo-Textur-Instanz.
	var builder = main.get("view_builder")
	var store = load("res://src/viewport/glb_mesh_store.gd")
	var cache: Dictionary = store.get("_camo_tex_cache")
	print("EINE-QUELLE-CHECK: Cache-Größe=%d (soll 2: Objekt _1 + Boden _2)" % cache.size())
	var alle_ok := true
	for i in OBJEKTE.size():
		var marker = builder.object_markers[i]
		var mi := marker.get_child(0) as MeshInstance3D
		var oid: String = OBJEKTE[i]["id"]
		if mi.mesh == null:
			print("  FAIL: %s mesh null" % oid)
			alle_ok = false
			continue
		var n := mi.mesh.get_surface_count()
		var tex_iids := []
		for s in n:
			var mat := mi.mesh.surface_get_material(s)
			if mat is BaseMaterial3D:
				var t := (mat as BaseMaterial3D).albedo_texture
				tex_iids.append(t.get_instance_id() if t != null else -1)
		print("  %s: %d Flächen, Textur-iids=%s" % [oid, n, str(tex_iids)])
		for iid in tex_iids:
			if int(iid) == -1:
				alle_ok = false
				print("    FAIL: %s Fläche OHNE albedo_texture" % oid)
	print("EINE-QUELLE-RESULT: %s" % ("ALLE GETEXTURED" if alle_ok else "FEHLER"))

	# Screenshot
	var img := root.get_viewport().get_texture().get_image()
	var pfad := OS.get_environment("PROBE_PNG")
	if pfad == "":
		pfad = "/tmp/probe_camo.png"
	img.save_png(pfad)
	print("PROBE_PNG=%s" % pfad)
	quit(0 if alle_ok else 1)