extends SceneTree

# Headless test: run with
#   godot --headless -s res://tests/test_definitions_intact.gd
#
# A guard against a failure mode that has now cost this project three times,
# and every time silently.
#
# Opening the project in the Godot editor re-saves .tres files, and its writer
# DROPS properties it considers default-valued. An empty-looking
# PackedStringArray is the usual casualty: GasBurnerBuildingDefinition lost
# `capabilities` and `collected_outputs` once (which took the gas burner's
# whole conversion with it), and InterceptorVesselDefinition later lost
# `capabilities`, `hull_points`, `build_time`, `icon` and `glow_color` - which
# cost the starting vessel its cargo hold, so nothing could be mined.
#
# Neither showed up as an error. The resource still loaded; it was just
# quietly less than it had been, and the failure surfaced somewhere else
# entirely - a full suite reporting ten unrelated tests broken.
#
# The checks themselves have moved to core/CatalogCheck.gd, because #173 was
# the same damage a THIRD time and reached a shipped web build: a fleet that
# could not store any resources. A test only guards the tree at the moment
# somebody runs it, and an export is taken from the tree at whatever moment
# the editor last touched it. The same function now runs at startup in every
# build (GameState._ready) and here, so the two can never drift apart and a
# damaged build says so on its own.
#
# Covers:
#   A. the catalogue is whole - every vessel and building carries the things
#      that make it what it is, and the paired facts agree
#   B. the shipped build asks the same question, from the same code, so this
#      test is not a promise the game does not keep

var stage: int = 0


func _initialize() -> void:
	# --- A. nothing has been eaten ---------------------------------------
	var faults: PackedStringArray = CatalogCheck.faults()
	if not faults.is_empty():
		for message in faults:
			print("  - %s" % message)
		print("TEST_DEFINITIONS_INTACT: FAIL (%d definition(s) came back incomplete)" \
			% faults.size())
		quit(1)
		return
	print("%d vessels and %d buildings, all intact" \
		% [VesselDefinitions.all().size(), BuildingDefinitions.all().size()])


func _process(_delta: float) -> bool:
	if stage != 0:
		return false
	stage = 1

	# --- B. and the build itself checked, from the same code -------------
	# The whole point of #173 is that the suite is not where this damage gets
	# noticed. GameState runs the check on startup and keeps what it found, so
	# a build with an eaten .tres reports it instead of quietly failing to
	# mine - on the web, into the on-page error log.
	var game_state: Node = root.get_node("GameState")
	if not (game_state.catalog_faults is PackedStringArray):
		return _fail("GameState does not record what the startup check found")
	if not game_state.catalog_faults.is_empty():
		return _fail("the running build reports %d catalog fault(s) this test did not" \
			% game_state.catalog_faults.size())
	var source: String = FileAccess.get_file_as_string("res://core/GameState.gd")
	if "CATALOG_CHECK.faults()" not in source or "push_error" not in source:
		return _fail("GameState no longer runs the catalog check at startup, so a damaged build would ship silently again")
	print("the running build ran the same check on startup and found nothing")

	print("TEST_DEFINITIONS_INTACT: PASS")
	quit(0)
	return true


func _fail(message: String) -> bool:
	print("TEST_DEFINITIONS_INTACT: FAIL (%s)" % message)
	quit(1)
	return true