extends SceneTree

var failures := 0

func check(condition: bool, message: String) -> void:
	if not condition:
		failures += 1
		push_error(message)

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

func run() -> void:
	if "--preview" in OS.get_cmdline_user_args():
		root.gui_embed_subwindows = true
		root.size = Vector2i(1200, 850)
	var board := CabinetPCBConfig.new()
	check(board.ports().size() == 22, "All 22 connectors must be present")
	check(board.port("J15").bcm == 21 and board.port("J10").bcm == 5, "Three pin order")
	check(board.port("J22").bcm == 25 and board.port("J17").bcm == 16, "Two pin order")
	check(board.port("J2").label == "001" and board.port("J8").label == "111", "Reader selector order")
	var reader := PCBConnection.new()
	reader.port_id = "J1"
	reader.device_type = "rfid"
	reader.device_id = "reader_left"
	reader.display_name = "Left RFID reader"
	board.set_connection(reader)
	var reader2: PCBConnection = reader.duplicate(true)
	reader2.port_id = "J2"
	reader2.device_id = "reader_right"
	board.set_connection(reader2)
	check(board.issues().is_empty(), "Valid readers")
	var cabinet := CabinetProfile.new()
	cabinet.display_name = "PCB editor test"
	cabinet.pcb_config = board
	var copy: CabinetProfile = cabinet.duplicate(true)
	copy.pcb_config.connection("J1").display_name = "Other cabinet"
	check(board.connection("J1").display_name == "Left RFID reader", "Cabinet deep-copy isolation")
	var path := "user://pcb_test_roundtrip.tres"
	check(ResourceSaver.save(cabinet, path) == OK, "Save cabinet")
	var loaded := ResourceLoader.load(path, "", ResourceLoader.CACHE_MODE_IGNORE) as CabinetProfile
	check(loaded.pcb_config.connection("J2").device_id == "reader_right", "Save/reload connector data")
	DirAccess.remove_absolute(path)
	reader2.device_id = reader.device_id
	check(not board.issues().is_empty(), "Duplicate IDs reported")
	reader2.device_id = "reader_right"
	var hardware := HardwareConfig.new()
	var action := HardwareAction.new()
	action.action_id = &"lamp"
	action.gpio_pin = 17
	hardware.actions.append(action)
	check(not board.issues(hardware).is_empty(), "Reserved selector pin reported")
	var output := PCBConnection.new()
	output.port_id = "J22"
	output.device_type = "led"
	output.device_id = "lamp"
	output.binding_id = "lamp"
	board.set_connection(output)
	action.gpio_pin = 18
	check(not board.issues(hardware).is_empty(), "Output BCM mismatch reported")
	action.gpio_pin = 25
	check(board.issues(hardware).is_empty(), "Matching output action accepted")
	cabinet.hardware_config = hardware
	if not Engine.is_editor_hint():
		print("PCB resource tests: ", "PASS" if failures == 0 else "FAIL")
		quit(failures)
		return
	var property := preload("res://editor/hardware/pcb_editor_property.gd").new()
	root.add_child(property)
	property.set_object_and_property(cabinet, "pcb_config")
	property._update_property()
	property._open()
	property._select("J2")
	check(property.device_id.text == "reader_right", "Editor selects correct reader")
	property.device_name.text = "Pending edit"
	property._store()
	check(board.connection("J2").display_name != "Pending edit", "Draft cannot change source before Apply")
	property.dialog.hide()
	property._open()
	check(property.device_name.text != "Pending edit", "Cancel/reopen discards draft")
	property._select("J22")
	property.device_name.text = "Reward lamp"
	property._store()
	property.property_changed.connect(func(_key: StringName, value: Variant, _field: StringName, _changing: bool): cabinet.pcb_config = value)
	property._apply()
	check(cabinet.pcb_config.connection("J22").display_name == "Reward lamp", "Apply emits updated configuration")
	if "--preview" in OS.get_cmdline_user_args():
		root.size = Vector2i(1200, 850)
		property.dialog.popup_centered(Vector2i(1120, 760))
		await process_frame
		await process_frame
		await RenderingServer.frame_post_draw
		root.get_texture().get_image().save_png("user://pcb_editor_preview.png")
		print("Preview: ", OS.get_user_data_dir(), "/pcb_editor_preview.png")
	property.queue_free()
	await process_frame
	print("PCB tests: ", "PASS" if failures == 0 else "FAIL")
	quit(failures)